diff --git a/QYZH.InteractiveMagazine.Infrastructure/Middleware/GlobalExceptionMiddleware.cs b/QYZH.InteractiveMagazine.Infrastructure/Middleware/GlobalExceptionMiddleware.cs
index 39b8601..4c28f0b 100644
--- a/QYZH.InteractiveMagazine.Infrastructure/Middleware/GlobalExceptionMiddleware.cs
+++ b/QYZH.InteractiveMagazine.Infrastructure/Middleware/GlobalExceptionMiddleware.cs
@@ -13,6 +13,14 @@ public class GlobalExceptionMiddleware : IMiddleware
 {
     private readonly ILogger<GlobalExceptionMiddleware> _logger;
 
+    /// <summary>
+    /// JSON序列化选项（camelCase，与Controller保持一致）
+    /// </summary>
+    private static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+    };
+
     /// <summary>
     /// 构造函数
     /// </summary>
@@ -35,7 +43,7 @@ public class GlobalExceptionMiddleware : IMiddleware
         }
         catch (BusinessException ex)
         {
-            _logger.LogWarning(ex, "业务异常：{Message}", ex.Message);
+            _logger.LogWarning(ex, "业务异常：{Message}，状态码：{ResultCode}", ex.Message, ex.ResultCode);
             await HandleBusinessExceptionAsync(context, ex);
         }
         catch (Exception ex)
@@ -46,17 +54,17 @@ public class GlobalExceptionMiddleware : IMiddleware
     }
 
     /// <summary>
-    /// 处理业务异常
+    /// 处理业务异常（按业务状态码映射HTTP状态码）
     /// </summary>
     /// <param name="context">HTTP上下文</param>
     /// <param name="ex">业务异常</param>
     private static async Task HandleBusinessExceptionAsync(HttpContext context, BusinessException ex)
     {
         context.Response.ContentType = "application/json";
-        context.Response.StatusCode = StatusCodes.Status400BadRequest;
+        context.Response.StatusCode = GetHttpStatusCode(ex.ResultCode);
 
-        var response = BaseResponse<object>.Fail(ResultCode.FAIL,ex.Message);
-        var json = JsonSerializer.Serialize(response);
+        var response = BaseResponse<object>.Fail(ex.ResultCode, ex.Message);
+        var json = JsonSerializer.Serialize(response, JsonOptions);
 
         await context.Response.WriteAsync(json);
     }
@@ -71,9 +79,32 @@ public class GlobalExceptionMiddleware : IMiddleware
         context.Response.ContentType = "application/json";
         context.Response.StatusCode = StatusCodes.Status500InternalServerError;
 
-        var response = BaseResponse<object>.Fail("系统内部错误，请稍后重试");
-        var json = JsonSerializer.Serialize(response);
+        var response = BaseResponse<object>.Fail(ResultCode.GLOBAL_ERROR, "系统内部错误，请稍后重试");
+        var json = JsonSerializer.Serialize(response, JsonOptions);
 
         await context.Response.WriteAsync(json);
     }
+
+    /// <summary>
+    /// 根据业务状态码获取对应的HTTP状态码
+    /// </summary>
+    /// <param name="resultCode">业务状态码</param>
+    /// <returns>HTTP状态码</returns>
+    private static int GetHttpStatusCode(ResultCode resultCode)
+    {
+        return resultCode switch
+        {
+            ResultCode.DENY => StatusCodes.Status401Unauthorized,
+            ResultCode.FORBIDDEN => StatusCodes.Status403Forbidden,
+            ResultCode.NOT_FOUND => StatusCodes.Status404NotFound,
+            ResultCode.BAD_REQUEST => StatusCodes.Status400BadRequest,
+            ResultCode.PARAM_ERROR => StatusCodes.Status400BadRequest,
+            ResultCode.CONFLICT => StatusCodes.Status409Conflict,
+            ResultCode.UNPROCESSABLE_ENTITY => StatusCodes.Status422UnprocessableEntity,
+            ResultCode.TOO_MANY_REQUESTS => StatusCodes.Status429TooManyRequests,
+            ResultCode.BAD_GATEWAY => StatusCodes.Status502BadGateway,
+            ResultCode.SERVICE_UNAVAILABLE => StatusCodes.Status503ServiceUnavailable,
+            _ => StatusCodes.Status400BadRequest
+        };
+    }
 }
diff --git a/QYZH.InteractiveMagazine.Infrastructure/Middleware/ModelValidActionFilter.cs b/QYZH.InteractiveMagazine.Infrastructure/Middleware/ModelValidActionFilter.cs
index b9729ca..2e77b1b 100644
--- a/QYZH.InteractiveMagazine.Infrastructure/Middleware/ModelValidActionFilter.cs
+++ b/QYZH.InteractiveMagazine.Infrastructure/Middleware/ModelValidActionFilter.cs
@@ -24,7 +24,7 @@ public class ModelValidActionFilterAttribute : ActionFilterAttribute
                     errorDic.Add(key, errorStr);
                 }
             }
-            var result = new BaseResponse<Dictionary<string, string>>() { code = ResultCode.FAIL };
+            var result = new BaseResponse<Dictionary<string, string>>() { code = ResultCode.BAD_REQUEST };
 
             result.message = string.Join("|", errorDic.Select(e => e.Value).Distinct());
             result.result = errorDic;
diff --git a/QYZH.InteractiveMagazine.Infrastructure/OSS/OssImageHelper.cs b/QYZH.InteractiveMagazine.Infrastructure/OSS/OssImageHelper.cs
index aed0d25..26af79b 100644
--- a/QYZH.InteractiveMagazine.Infrastructure/OSS/OssImageHelper.cs
+++ b/QYZH.InteractiveMagazine.Infrastructure/OSS/OssImageHelper.cs
@@ -1,6 +1,7 @@
 using Microsoft.Extensions.Logging;
 using QYZH.InteractiveMagazine.Common.Extensions;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 
 namespace QYZH.InteractiveMagazine.Infrastructure.OSS;
 
@@ -87,7 +88,7 @@ public class OssImageHelper
         catch (Exception ex) when (ex is not BusinessException)
         {
             _logger.LogError(ex, "OSS 图片搬运异常，Source: {Source}, Target: {Target}", sourcePath, targetPath);
-            throw new BusinessException("图片搬运失败，请重试", 500);
+            throw new BusinessException("图片搬运失败，请重试", ResultCode.GLOBAL_ERROR);
         }
     }
 
diff --git a/QYZH.InteractiveMagazine.Infrastructure/OSS/OssService.cs b/QYZH.InteractiveMagazine.Infrastructure/OSS/OssService.cs
index 8cdfe25..7d19bcc 100644
--- a/QYZH.InteractiveMagazine.Infrastructure/OSS/OssService.cs
+++ b/QYZH.InteractiveMagazine.Infrastructure/OSS/OssService.cs
@@ -7,6 +7,8 @@ using CSRedis;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using QYZH.InteractiveMagazine.Common.Extensions;
+using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using System.Text.Json;
 using System.Web;
 
@@ -193,6 +195,53 @@ namespace QYZH.InteractiveMagazine.Infrastructure.OSS
             }
         }
 
+        /// <summary>
+        /// 判断对象是否存在
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public bool DoesObjectExist(string key)
+        {
+            try
+            {
+                if (key.IsNull()) return false;
+
+                key = key.RemoveDomain();
+                key = HttpUtility.UrlDecode(key);
+
+                return _ossClient.DoesObjectExist(_ossOption.BucketName, key);
+            }
+            catch (OssException ex)
+            {
+                _logger.LogError(ex.Message + ex.StackTrace);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 获取对象内容流
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public Stream? GetObjectStream(string key)
+        {
+            try
+            {
+                if (key.IsNull()) return null;
+
+                key = key.RemoveDomain();
+                key = HttpUtility.UrlDecode(key);
+
+                var ossObject = _ossClient.GetObject(_ossOption.BucketName, key);
+                return ossObject.Content;
+            }
+            catch (OssException ex)
+            {
+                _logger.LogError(ex.Message + ex.StackTrace);
+                return null;
+            }
+        }
+
         /// <summary>
         /// 删除多个
         /// </summary>
diff --git a/QYZH.InteractiveMagazine.Models/Common/BusinessException.cs b/QYZH.InteractiveMagazine.Models/Common/BusinessException.cs
index 93e17e5..a45725f 100644
--- a/QYZH.InteractiveMagazine.Models/Common/BusinessException.cs
+++ b/QYZH.InteractiveMagazine.Models/Common/BusinessException.cs
@@ -1,3 +1,5 @@
+using QYZH.InteractiveMagazine.Models.Dto;
+
 namespace QYZH.InteractiveMagazine.Models.Common;
 
 /// <summary>
@@ -10,6 +12,11 @@ public class BusinessException : Exception
     /// </summary>
     public int Code { get; set; }
 
+    /// <summary>
+    /// 业务状态码
+    /// </summary>
+    public ResultCode ResultCode { get; set; } = ResultCode.FAIL;
+
     /// <summary>
     /// 无参构造函数
     /// </summary>
@@ -33,6 +40,18 @@ public class BusinessException : Exception
     public BusinessException(string message, int code) : base(message)
     {
         Code = code;
+        ResultCode = System.Enum.IsDefined(typeof(ResultCode), code) ? (ResultCode)code : ResultCode.FAIL;
+    }
+
+    /// <summary>
+    /// 构造函数（按业务状态码）
+    /// </summary>
+    /// <param name="message">异常消息</param>
+    /// <param name="resultCode">业务状态码</param>
+    public BusinessException(string message, ResultCode resultCode) : base(message)
+    {
+        ResultCode = resultCode;
+        Code = (int)resultCode;
     }
 
     /// <summary>
@@ -62,4 +81,15 @@ public class BusinessException : Exception
             throw new BusinessException(message);
         }
     }
+
+    /// <summary>
+    /// 条件抛出业务异常（带业务状态码）
+    /// </summary>
+    /// <param name="isTrue">是否触发</param>
+    /// <param name="message">异常消息</param>
+    /// <param name="resultCode">业务状态码</param>
+    public static void ThrowIf(bool isTrue, string message, ResultCode resultCode)
+    {
+        if (isTrue) throw new BusinessException(message, resultCode);
+    }
 }
diff --git a/QYZH.InteractiveMagazine.Models/Dto/BaseResponse.cs b/QYZH.InteractiveMagazine.Models/Dto/BaseResponse.cs
index 3e923fa..db1e766 100644
--- a/QYZH.InteractiveMagazine.Models/Dto/BaseResponse.cs
+++ b/QYZH.InteractiveMagazine.Models/Dto/BaseResponse.cs
@@ -195,5 +195,23 @@ public enum ResultCode
     FORBIDDEN = 403,
 
     [Description("Bad Request")]
-    BAD_REQUEST = 400
+    BAD_REQUEST = 400,
+
+    [Description("资源不存在")]
+    NOT_FOUND = 404,
+
+    [Description("冲突/重复提交")]
+    CONFLICT = 409,
+
+    [Description("业务规则校验失败")]
+    UNPROCESSABLE_ENTITY = 422,
+
+    [Description("请求过于频繁")]
+    TOO_MANY_REQUESTS = 429,
+
+    [Description("第三方服务异常")]
+    BAD_GATEWAY = 502,
+
+    [Description("服务不可用")]
+    SERVICE_UNAVAILABLE = 503
 }
diff --git a/QYZH.InteractiveMagazine.Models/Entity/JournalPageTaskUserAnswerSnapshot.cs b/QYZH.InteractiveMagazine.Models/Entity/JournalPageTaskUserAnswerSnapshot.cs
new file mode 100644
index 0000000..300176e
--- /dev/null
+++ b/QYZH.InteractiveMagazine.Models/Entity/JournalPageTaskUserAnswerSnapshot.cs
@@ -0,0 +1,161 @@
+using SqlSugar;
+
+namespace QYZH.InteractiveMagazine.Models.Entity
+{
+    /// <summary>
+    /// Snapshot record for a user answer.
+    /// </summary>
+    [SugarTable("JournalPageTaskUserAnswerSnapshot")]
+    public class JournalPageTaskUserAnswerSnapshot : SqlSugarBaseEntity
+    {
+        /// <summary>
+        /// Source JournalPageTaskUserAnswer record Id.
+        /// </summary>
+        public long JournalPageTaskUserAnswerId { get; set; }
+
+        /// <summary>
+        /// Journal Id.
+        /// </summary>
+        public long JournalId { get; set; }
+
+        /// <summary>
+        /// Journal page Id.
+        /// </summary>
+        public long JournalPageId { get; set; }
+
+        /// <summary>
+        /// Journal page task Id.
+        /// </summary>
+        public long JournalPageTaskId { get; set; }
+
+        /// <summary>
+        /// Journal page task group Id.
+        /// </summary>
+        public long JournalPageTaskGroupId { get; set; }
+
+        /// <summary>
+        /// User Id.
+        /// </summary>
+        public long UserId { get; set; }
+
+        /// <summary>
+        /// Answer result.
+        /// </summary>
+        public string? Result { get; set; }
+
+        /// <summary>
+        /// Points awarded.
+        /// </summary>
+        public float Points { get; set; }
+
+        /// <summary>
+        /// Growth points awarded.
+        /// </summary>
+        public float GrowthPoints { get; set; }
+
+        /// <summary>
+        /// Task score.
+        /// </summary>
+        public float Score { get; set; }
+
+        /// <summary>
+        /// Question answer image URL.
+        /// </summary>
+        public string? QuestionAnswerUrl { get; set; }
+
+        /// <summary>
+        /// Answer image URL.
+        /// </summary>
+        public string? AnswerUrl { get; set; }
+
+        /// <summary>
+        /// Page answer image URL.
+        /// </summary>
+        public string? PageAnswerUrl { get; set; }
+
+        /// <summary>
+        /// Optimistic concurrency revision.
+        /// </summary>
+        public int Revision { get; set; }
+
+        /// <summary>
+        /// Answer status.
+        /// </summary>
+        public int AnswerStatus { get; set; }
+
+        /// <summary>
+        /// Answer start time.
+        /// </summary>
+        public DateTime AnswerStartTime { get; set; }
+
+        /// <summary>
+        /// Answer end time.
+        /// </summary>
+        public DateTime AnswerEndTime { get; set; }
+
+        /// <summary>
+        /// Answer duration in seconds.
+        /// </summary>
+        public int AnswerSeconds { get; set; }
+
+        /// <summary>
+        /// Image recognition result.
+        /// </summary>
+        public int ImageRecognition { get; set; }
+
+        /// <summary>
+        /// Journal page number.
+        /// </summary>
+        public int JournalPageNum { get; set; }
+
+        /// <summary>
+        /// Modify count.
+        /// </summary>
+        public int Modify { get; set; }
+
+        /// <summary>
+        /// Last tag Id.
+        /// </summary>
+        public long LastTag { get; set; }
+
+        /// <summary>
+        /// Dot page number.
+        /// </summary>
+        public int DotPageNum { get; set; }
+
+        /// <summary>
+        /// Page result image URL.
+        /// </summary>
+        public string? PageResultUrl { get; set; }
+
+        /// <summary>
+        /// Question type.
+        /// </summary>
+        public string? Type { get; set; }
+
+        /// <summary>
+        /// Dot page number text.
+        /// </summary>
+        public string? DotPageNo { get; set; }
+
+        /// <summary>
+        /// Page answer dot image URL.
+        /// </summary>
+        public string? PageAnswerDotUrl { get; set; }
+
+        /// <summary>
+        /// Break count.
+        /// </summary>
+        public int BreakCount { get; set; }
+
+        /// <summary>
+        /// Break time records.
+        /// </summary>
+        public string? BreakTimes { get; set; }
+
+        /// <summary>
+        /// Assignment status.
+        /// </summary>
+        public string? AssignmentStatus { get; set; }
+    }
+}
diff --git a/QYZH.InteractiveMagazine.Service/AdminAuthService.cs b/QYZH.InteractiveMagazine.Service/AdminAuthService.cs
index ae575c0..1aaa911 100644
--- a/QYZH.InteractiveMagazine.Service/AdminAuthService.cs
+++ b/QYZH.InteractiveMagazine.Service/AdminAuthService.cs
@@ -25,31 +25,31 @@ public class AdminAuthService(BaseRepository<AdminUser> adminUserRepository, ICo
 
         if (string.IsNullOrWhiteSpace(input.UserName))
         {
-            throw new BusinessException("用户名不能为空", 400);
+            throw new BusinessException("用户名不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Password))
         {
-            throw new BusinessException("密码不能为空", 400);
+            throw new BusinessException("密码不能为空", ResultCode.BAD_REQUEST);
         }
 
         var adminUser = await adminUserRepository.GetFirstAsync(a => a.UserName == input.UserName);
         if (adminUser == null)
         {
             logger.LogWarning("管理员登录失败，用户名不存在: {UserName}", input.UserName);
-            throw new BusinessException("用户名或密码错误", 401);
+            throw new BusinessException("用户名或密码错误", ResultCode.DENY);
         }
 
         if (!BCrypt.Net.BCrypt.Verify(input.Password, adminUser.PasswordHash))
         {
             logger.LogWarning("管理员登录失败，密码错误: {UserName}", input.UserName);
-            throw new BusinessException("用户名或密码错误", 401);
+            throw new BusinessException("用户名或密码错误", ResultCode.DENY);
         }
 
         if (adminUser.Status != 1)
         {
             logger.LogWarning("管理员登录失败，账号已禁用: {UserName}", input.UserName);
-            throw new BusinessException("账号已被禁用，请联系系统管理员", 403);
+            throw new BusinessException("账号已被禁用，请联系系统管理员", ResultCode.FORBIDDEN);
         }
 
         var jwtSettings = GetJwtSettings();
@@ -86,7 +86,7 @@ public class AdminAuthService(BaseRepository<AdminUser> adminUserRepository, ICo
         if (adminUser == null)
         {
             logger.LogWarning("未找到管理员，ID: {UserId}", userId);
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
         }
 
         return new AdminUserInfoOutput
@@ -104,25 +104,25 @@ public class AdminAuthService(BaseRepository<AdminUser> adminUserRepository, ICo
 
         if (string.IsNullOrWhiteSpace(oldPassword))
         {
-            throw new BusinessException("原密码不能为空", 400);
+            throw new BusinessException("原密码不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(newPassword))
         {
-            throw new BusinessException("新密码不能为空", 400);
+            throw new BusinessException("新密码不能为空", ResultCode.BAD_REQUEST);
         }
 
         var adminUser = await adminUserRepository.GetByIdAsync(userId);
         if (adminUser == null)
         {
             logger.LogWarning("未找到管理员，ID: {UserId}", userId);
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
         }
 
         if (!BCrypt.Net.BCrypt.Verify(oldPassword, adminUser.PasswordHash))
         {
             logger.LogWarning("管理员修改密码失败，原密码错误，ID: {UserId}", userId);
-            throw new BusinessException("原密码错误", 400);
+            throw new BusinessException("原密码错误", ResultCode.DENY);
         }
 
         adminUser.PasswordHash = BCrypt.Net.BCrypt.HashPassword(newPassword);
@@ -130,7 +130,7 @@ public class AdminAuthService(BaseRepository<AdminUser> adminUserRepository, ICo
         var result = await adminUserRepository.UpdateAsync(adminUser);
         if (!result)
         {
-            throw new BusinessException("修改密码失败", 500);
+            throw new BusinessException("修改密码失败", ResultCode.GLOBAL_ERROR);
         }
 
         await RedisHelper.DelAsync($"{TokenKeyPrefix}:{userId}");
@@ -151,7 +151,7 @@ public class AdminAuthService(BaseRepository<AdminUser> adminUserRepository, ICo
 
         if (string.IsNullOrWhiteSpace(jwtSettings.SecretKey))
         {
-            throw new BusinessException("JWT 配置不完整", 500);
+            throw new BusinessException("JWT 配置不完整", ResultCode.GLOBAL_ERROR);
         }
 
         return jwtSettings;
diff --git a/QYZH.InteractiveMagazine.Service/AdminUserService.cs b/QYZH.InteractiveMagazine.Service/AdminUserService.cs
index dce70ef..9b61b01 100644
--- a/QYZH.InteractiveMagazine.Service/AdminUserService.cs
+++ b/QYZH.InteractiveMagazine.Service/AdminUserService.cs
@@ -27,12 +27,12 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
 
         if (string.IsNullOrWhiteSpace(input.UserName))
         {
-            throw new BusinessException("用户名不能为空", 400);
+            throw new BusinessException("用户名不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Password))
         {
-            throw new BusinessException("密码不能为空", 400);
+            throw new BusinessException("密码不能为空", ResultCode.BAD_REQUEST);
         }
 
         // 检查用户名是否已存在
@@ -40,7 +40,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (existingUser != null)
         {
             logger.LogWarning("创建管理员失败，用户名已存在: {UserName}", input.UserName);
-            throw new BusinessException("用户名已存在", 400);
+            throw new BusinessException("用户名已存在", ResultCode.CONFLICT);
         }
 
         var adminUser = new AdminUser
@@ -60,7 +60,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (!result)
         {
             logger.LogError("管理员创建失败，用户名: {UserName}", input.UserName);
-            throw new BusinessException("创建管理员失败", 500);
+            throw new BusinessException("创建管理员失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("管理员创建成功，用户名: {UserName}, ID: {Id}", input.UserName, adminUser.Id);
@@ -79,7 +79,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (adminUser == null)
         {
             logger.LogWarning("未找到要更新的管理员，ID: {Id}", id);
-            throw new BusinessException("管理员不存在", 404);
+            throw new BusinessException("管理员不存在", ResultCode.NOT_FOUND);
         }
 
         // 如果用户名有变更，检查是否与其他用户重复
@@ -89,7 +89,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
             if (existingUser != null && existingUser.Id != id)
             {
                 logger.LogWarning("更新管理员失败，用户名已存在: {UserName}", input.UserName);
-                throw new BusinessException("用户名已存在", 400);
+                throw new BusinessException("用户名已存在", ResultCode.CONFLICT);
             }
 
             adminUser.UserName = input.UserName.Trim();
@@ -111,7 +111,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (!result)
         {
             logger.LogError("管理员更新失败，ID: {Id}", id);
-            throw new BusinessException("更新管理员失败", 500);
+            throw new BusinessException("更新管理员失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("管理员更新成功，ID: {Id}", id);
@@ -130,14 +130,14 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (adminUser == null)
         {
             logger.LogWarning("未找到要删除的管理员，ID: {Id}", id);
-            throw new BusinessException("管理员不存在", 404);
+            throw new BusinessException("管理员不存在", ResultCode.NOT_FOUND);
         }
 
         var result = await adminUserRepository.DeleteByIdAsync(id);
         if (!result)
         {
             logger.LogError("管理员删除失败，ID: {Id}", id);
-            throw new BusinessException("删除管理员失败", 500);
+            throw new BusinessException("删除管理员失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("管理员删除成功，ID: {Id}", id);
@@ -154,7 +154,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (adminUser == null)
         {
             logger.LogWarning("未找到管理员，ID: {Id}", id);
-            throw new BusinessException("管理员不存在", 404);
+            throw new BusinessException("管理员不存在", ResultCode.NOT_FOUND);
         }
         return new AdminUserOutput
         {
@@ -178,12 +178,12 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
         RefAsync<int> totalNumber = 0;
         var pageResult = await adminUserRepository.Queryable()
@@ -215,7 +215,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (adminUser == null)
         {
             logger.LogWarning("未找到要更新状态的管理员，ID: {Id}", id);
-            throw new BusinessException("管理员不存在", 404);
+            throw new BusinessException("管理员不存在", ResultCode.NOT_FOUND);
         }
 
         adminUser.Status = adminUser.Status==(int)DefaultStatusEnum.Active?(int)DefaultStatusEnum.Inactive:(int)DefaultStatusEnum.Active;
@@ -226,7 +226,7 @@ public class AdminUserService(BaseRepository<AdminUser> adminUserRepository, ILo
         if (!result)
         {
             logger.LogError("管理员状态更新失败，ID: {Id}", id);
-            throw new BusinessException("更新管理员状态失败", 500);
+            throw new BusinessException("更新管理员状态失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("管理员状态更新成功，ID: {Id}", id);
diff --git a/QYZH.InteractiveMagazine.Service/AiBasePromptService.cs b/QYZH.InteractiveMagazine.Service/AiBasePromptService.cs
index d9b4b94..c24ad29 100644
--- a/QYZH.InteractiveMagazine.Service/AiBasePromptService.cs
+++ b/QYZH.InteractiveMagazine.Service/AiBasePromptService.cs
@@ -25,24 +25,24 @@ public class AiBasePromptService(
 
         if (string.IsNullOrWhiteSpace(input.PromptKey))
         {
-            throw new BusinessException("配置标识不能为空", 400);
+            throw new BusinessException("配置标识不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.PromptName))
         {
-            throw new BusinessException("配置名称不能为空", 400);
+            throw new BusinessException("配置名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.PromptTemplate))
         {
-            throw new BusinessException("Prompt模板内容不能为空", 400);
+            throw new BusinessException("Prompt模板内容不能为空", ResultCode.BAD_REQUEST);
         }
 
         // 检查PromptKey是否已存在
         var exists = await promptRepository.IsAnyAsync(p => p.PromptKey == input.PromptKey.Trim());
         if (exists)
         {
-            throw new BusinessException($"配置标识 '{input.PromptKey.Trim()}' 已存在", 400);
+            throw new BusinessException($"配置标识 '{input.PromptKey.Trim()}' 已存在", ResultCode.BAD_REQUEST);
         }
 
         var entity = new AiBasePrompt
@@ -64,7 +64,7 @@ public class AiBasePromptService(
         if (!result)
         {
             logger.LogError("Prompt配置创建失败，PromptKey: {PromptKey}", input.PromptKey);
-            throw new BusinessException("创建Prompt配置失败", 500);
+            throw new BusinessException("创建Prompt配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("Prompt配置创建成功，PromptKey: {PromptKey}, ID: {Id}", input.PromptKey, entity.Id);
@@ -97,29 +97,29 @@ public class AiBasePromptService(
         if (entity == null)
         {
             logger.LogWarning("未找到要更新的Prompt配置，ID: {Id}", id);
-            throw new BusinessException("Prompt配置不存在", 404);
+            throw new BusinessException("Prompt配置不存在", ResultCode.NOT_FOUND);
         }
 
         if (string.IsNullOrWhiteSpace(input.PromptKey))
         {
-            throw new BusinessException("配置标识不能为空", 400);
+            throw new BusinessException("配置标识不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.PromptName))
         {
-            throw new BusinessException("配置名称不能为空", 400);
+            throw new BusinessException("配置名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.PromptTemplate))
         {
-            throw new BusinessException("Prompt模板内容不能为空", 400);
+            throw new BusinessException("Prompt模板内容不能为空", ResultCode.BAD_REQUEST);
         }
 
         // 检查PromptKey是否被其他记录占用
         var exists = await promptRepository.IsAnyAsync(p => p.PromptKey == input.PromptKey.Trim() && p.Id != id);
         if (exists)
         {
-            throw new BusinessException($"配置标识 '{input.PromptKey.Trim()}' 已被其他配置使用", 400);
+            throw new BusinessException($"配置标识 '{input.PromptKey.Trim()}' 已被其他配置使用", ResultCode.BAD_REQUEST);
         }
 
         entity.PromptKey = input.PromptKey.Trim();
@@ -135,7 +135,7 @@ public class AiBasePromptService(
         if (!result)
         {
             logger.LogError("Prompt配置更新失败，ID: {Id}", id);
-            throw new BusinessException("更新Prompt配置失败", 500);
+            throw new BusinessException("更新Prompt配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("Prompt配置更新成功，ID: {Id}", id);
@@ -168,14 +168,14 @@ public class AiBasePromptService(
         if (entity == null)
         {
             logger.LogWarning("未找到要删除的Prompt配置，ID: {Id}", id);
-            throw new BusinessException("Prompt配置不存在", 404);
+            throw new BusinessException("Prompt配置不存在", ResultCode.NOT_FOUND);
         }
 
         var result = await promptRepository.DeleteByIdAsync(id);
         if (!result)
         {
             logger.LogError("Prompt配置删除失败，ID: {Id}", id);
-            throw new BusinessException("删除Prompt配置失败", 500);
+            throw new BusinessException("删除Prompt配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("Prompt配置删除成功，ID: {Id}", id);
@@ -192,7 +192,7 @@ public class AiBasePromptService(
         if (entity == null)
         {
             logger.LogWarning("未找到Prompt配置，ID: {Id}", id);
-            throw new BusinessException("Prompt配置不存在", 404);
+            throw new BusinessException("Prompt配置不存在", ResultCode.NOT_FOUND);
         }
 
         return new AiBasePromptOutput
@@ -221,12 +221,12 @@ public class AiBasePromptService(
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
 
         RefAsync<int> totalNumber = 0;
@@ -296,7 +296,7 @@ public class AiBasePromptService(
         if (entity == null)
         {
             logger.LogWarning("未找到要切换状态的Prompt配置，ID: {Id}", id);
-            throw new BusinessException("Prompt配置不存在", 404);
+            throw new BusinessException("Prompt配置不存在", ResultCode.NOT_FOUND);
         }
 
         entity.Status = entity.Status == 1 ? 0 : 1;
@@ -307,7 +307,7 @@ public class AiBasePromptService(
         if (!result)
         {
             logger.LogError("Prompt配置状态切换失败，ID: {Id}", id);
-            throw new BusinessException("切换Prompt状态失败", 500);
+            throw new BusinessException("切换Prompt状态失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("Prompt配置状态切换成功，ID: {Id}, Status: {Status}", id, entity.Status);
diff --git a/QYZH.InteractiveMagazine.Service/AiChatService.cs b/QYZH.InteractiveMagazine.Service/AiChatService.cs
index 0b33d8c..4b92b69 100644
--- a/QYZH.InteractiveMagazine.Service/AiChatService.cs
+++ b/QYZH.InteractiveMagazine.Service/AiChatService.cs
@@ -83,7 +83,7 @@ public class AiChatService(
     {
         if (string.IsNullOrWhiteSpace(input.Message))
         {
-            throw new BusinessException("消息内容不能为空", 400);
+            throw new BusinessException("消息内容不能为空", ResultCode.BAD_REQUEST);
         }
 
         var apiKey = configuration["AiChat:ApiKey"];
@@ -95,7 +95,7 @@ public class AiChatService(
 
         if (string.IsNullOrWhiteSpace(apiKey) || string.IsNullOrWhiteSpace(baseUrl) || string.IsNullOrWhiteSpace(model))
         {
-            throw new BusinessException("AI聊天服务配置不完整，请检查 AiChat 配置节", 500);
+            throw new BusinessException("AI聊天服务配置不完整，请检查 AiChat 配置节", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("开始调用AI聊天服务（流式），消息长度：{Length}", input.Message.Length);
@@ -132,7 +132,7 @@ public class AiChatService(
         {
             var errorContent = await response.Content.ReadAsStringAsync(cancellationToken);
             logger.LogError("AI聊天服务调用失败，状态码：{StatusCode}，响应：{Response}", response.StatusCode, errorContent);
-            throw new BusinessException($"AI服务调用失败：{response.StatusCode}", 500);
+            throw new BusinessException($"AI服务调用失败：{response.StatusCode}", ResultCode.GLOBAL_ERROR);
         }
 
         // 流式读取响应体
diff --git a/QYZH.InteractiveMagazine.Service/CheckInConfigService.cs b/QYZH.InteractiveMagazine.Service/CheckInConfigService.cs
index f673a1d..e4f68e2 100644
--- a/QYZH.InteractiveMagazine.Service/CheckInConfigService.cs
+++ b/QYZH.InteractiveMagazine.Service/CheckInConfigService.cs
@@ -27,17 +27,17 @@ public class CheckInConfigService(
 
         if (input.DayNumber <= 0)
         {
-            throw new BusinessException("连续签到天数必须大于0", 400);
+            throw new BusinessException("连续签到天数必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.RewardPoints < 0)
         {
-            throw new BusinessException("奖励积分不能为负数", 400);
+            throw new BusinessException("奖励积分不能为负数", ResultCode.BAD_REQUEST);
         }
 
         if (input.BonusPoints < 0)
         {
-            throw new BusinessException("额外奖励积分不能为负数", 400);
+            throw new BusinessException("额外奖励积分不能为负数", ResultCode.BAD_REQUEST);
         }
 
         // 检查同类型下是否已存在相同天数配置
@@ -47,7 +47,7 @@ public class CheckInConfigService(
 
         if (exists)
         {
-            throw new BusinessException($"该类型下已存在连续{input.DayNumber}天的配置", 400);
+            throw new BusinessException($"该类型下已存在连续{input.DayNumber}天的配置", ResultCode.BAD_REQUEST);
         }
 
         var config = new CheckInConfig
@@ -67,7 +67,7 @@ public class CheckInConfigService(
         var result = await checkInConfigRepository.InsertAsync(config);
         if (!result)
         {
-            throw new BusinessException("创建签到配置失败", 500);
+            throw new BusinessException("创建签到配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("签到配置创建成功，ID: {Id}", config.Id);
@@ -85,22 +85,22 @@ public class CheckInConfigService(
         if (config == null)
         {
             logger.LogWarning("未找到要更新的签到配置，ID: {Id}", id);
-            throw new BusinessException("签到配置不存在", 404);
+            throw new BusinessException("签到配置不存在", ResultCode.NOT_FOUND);
         }
 
         if (input.DayNumber <= 0)
         {
-            throw new BusinessException("连续签到天数必须大于0", 400);
+            throw new BusinessException("连续签到天数必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.RewardPoints < 0)
         {
-            throw new BusinessException("奖励积分不能为负数", 400);
+            throw new BusinessException("奖励积分不能为负数", ResultCode.BAD_REQUEST);
         }
 
         if (input.BonusPoints < 0)
         {
-            throw new BusinessException("额外奖励积分不能为负数", 400);
+            throw new BusinessException("额外奖励积分不能为负数", ResultCode.BAD_REQUEST);
         }
 
         // 检查同类型下是否已存在相同天数配置（排除自身）
@@ -110,7 +110,7 @@ public class CheckInConfigService(
 
         if (exists)
         {
-            throw new BusinessException($"该类型下已存在连续{input.DayNumber}天的配置", 400);
+            throw new BusinessException($"该类型下已存在连续{input.DayNumber}天的配置", ResultCode.BAD_REQUEST);
         }
 
         config.DayNumber = input.DayNumber;
@@ -123,7 +123,7 @@ public class CheckInConfigService(
         var updateResult = await checkInConfigRepository.UpdateAsync(config);
         if (!updateResult)
         {
-            throw new BusinessException("更新签到配置失败", 500);
+            throw new BusinessException("更新签到配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("签到配置更新成功，ID: {Id}", id);
@@ -141,7 +141,7 @@ public class CheckInConfigService(
         if (config == null)
         {
             logger.LogWarning("未找到要删除的签到配置，ID: {Id}", id);
-            throw new BusinessException("签到配置不存在", 404);
+            throw new BusinessException("签到配置不存在", ResultCode.NOT_FOUND);
         }
 
         var result = await checkInConfigRepository.Context.Updateable<CheckInConfig>()
@@ -156,7 +156,7 @@ public class CheckInConfigService(
 
         if (result <= 0)
         {
-            throw new BusinessException("删除签到配置失败", 500);
+            throw new BusinessException("删除签到配置失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("签到配置删除成功，ID: {Id}", id);
@@ -170,7 +170,7 @@ public class CheckInConfigService(
         var config = await checkInConfigRepository.GetByIdAsync(id);
         if (config == null)
         {
-            throw new BusinessException("签到配置不存在", 404);
+            throw new BusinessException("签到配置不存在", ResultCode.NOT_FOUND);
         }
 
         return MapToOutput(config);
@@ -185,12 +185,12 @@ public class CheckInConfigService(
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
 
         RefAsync<int> totalNumber = 0;
@@ -217,7 +217,7 @@ public class CheckInConfigService(
         if (config == null)
         {
             logger.LogWarning("未找到要更新状态的签到配置，ID: {Id}", id);
-            throw new BusinessException("签到配置不存在", 404);
+            throw new BusinessException("签到配置不存在", ResultCode.NOT_FOUND);
         }
 
         config.Status = config.Status == (int)DefaultStatusEnum.Active
@@ -230,7 +230,7 @@ public class CheckInConfigService(
         if (!result)
         {
             logger.LogError("签到配置状态更新失败，ID: {Id}", id);
-            throw new BusinessException("更新签到配置状态失败", 500);
+            throw new BusinessException("更新签到配置状态失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("签到配置状态更新成功，ID: {Id}, Status: {Status}", id, config.Status);
diff --git a/QYZH.InteractiveMagazine.Service/CheckInService.cs b/QYZH.InteractiveMagazine.Service/CheckInService.cs
index ffdde75..f967216 100644
--- a/QYZH.InteractiveMagazine.Service/CheckInService.cs
+++ b/QYZH.InteractiveMagazine.Service/CheckInService.cs
@@ -2,6 +2,7 @@ using Microsoft.Extensions.Logging;
 using QYZH.InteractiveMagazine.Common.Extensions;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.CheckIn;
 using QYZH.InteractiveMagazine.Models.Dto.Compensation;
 using QYZH.InteractiveMagazine.Models.Dto.Pet;
@@ -44,7 +45,7 @@ public class CheckInService(
 
         if (alreadyCheckedIn)
         {
-            throw new BusinessException("今日已签到，请明天再来", 400);
+            throw new BusinessException("今日已签到，请明天再来", ResultCode.BAD_REQUEST);
         }
 
         // 2. 计算连续签到天数
@@ -60,7 +61,7 @@ public class CheckInService(
 
         if (user == null)
         {
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
         }
 
         // 5. 查询用户宠物（如果有）
@@ -226,7 +227,7 @@ public class CheckInService(
         targetDate = targetDate.Date;
 
         if (targetDate >= DateTime.Now.Date)
-            throw new BusinessException("只能补签过去的日期", 400);
+            throw new BusinessException("只能补签过去的日期", ResultCode.BAD_REQUEST);
 
         // 检查目标日期是否已有签到记录
         var alreadyCheckedIn = await checkInRecordRepository.Context.Queryable<CheckInRecord>()
@@ -235,7 +236,7 @@ public class CheckInService(
             .AnyAsync();
 
         if (alreadyCheckedIn)
-            throw new BusinessException($"{targetDate:yyyy-MM-dd} 已签到，无需补签", 400);
+            throw new BusinessException($"{targetDate:yyyy-MM-dd} 已签到，无需补签", ResultCode.BAD_REQUEST);
 
         // 检查用户背包中是否有补签卡
         var makeUpCard = await checkInRecordRepository.Context.Queryable<UserBag>()
@@ -248,7 +249,7 @@ public class CheckInService(
             .FirstAsync();
 
         if (makeUpCard == null)
-            throw new BusinessException("补签卡不足，无法补签", 400);
+            throw new BusinessException("补签卡不足，无法补签", ResultCode.BAD_REQUEST);
 
         // 查询用户信息
         var user = await checkInRecordRepository.Context.Queryable<Users>()
@@ -256,7 +257,7 @@ public class CheckInService(
             .FirstAsync();
 
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         // 查询宠物
         var pet = await checkInRecordRepository.Context.Queryable<UserPet>()
diff --git a/QYZH.InteractiveMagazine.Service/CommunityMessageService.cs b/QYZH.InteractiveMagazine.Service/CommunityMessageService.cs
index 6b711a8..b0e95ac 100644
--- a/QYZH.InteractiveMagazine.Service/CommunityMessageService.cs
+++ b/QYZH.InteractiveMagazine.Service/CommunityMessageService.cs
@@ -24,8 +24,8 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
     {
         logger.LogInformation("正在查询社区消息列表，页码: {PageIndex}, 每页条数: {PageSize}", input.PageIndex, input.PageSize);
 
-        if (input.PageIndex <= 0) throw new BusinessException("页码必须大于0", 400);
-        if (input.PageSize <= 0 || input.PageSize > 100) throw new BusinessException("每页条数必须在1-100之间", 400);
+        if (input.PageIndex <= 0) throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
+        if (input.PageSize <= 0 || input.PageSize > 100) throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
 
         RefAsync<int> totalNumber = 0;
         var pageResult = await messageRepository.Queryable()
@@ -75,7 +75,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (message == null)
         {
             logger.LogWarning("未找到社区消息，ID: {Id}", id);
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         return new AdminMessageDetailOutput
@@ -112,14 +112,14 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (message == null)
         {
             logger.LogWarning("未找到要删除的社区消息，ID: {Id}", id);
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         var result = await messageRepository.DeleteByIdAsync(id);
         if (!result)
         {
             logger.LogError("社区消息删除失败，ID: {Id}", id);
-            throw new BusinessException("删除消息失败", 500);
+            throw new BusinessException("删除消息失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("社区消息删除成功，ID: {Id}", id);
@@ -134,14 +134,14 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
 
         if (status != 1 && status != 2)
         {
-            throw new BusinessException("状态值无效，只能为1(解冻/通过)或2(冻结)", 400);
+            throw new BusinessException("状态值无效，只能为1(解冻/通过)或2(冻结)", ResultCode.BAD_REQUEST);
         }
 
         var message = await messageRepository.GetByIdAsync(id);
         if (message == null)
         {
             logger.LogWarning("未找到社区消息，ID: {Id}", id);
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         message.Status = status;
@@ -152,7 +152,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (!result)
         {
             logger.LogError("社区消息冻结状态更新失败，ID: {Id}", id);
-            throw new BusinessException("更新冻结状态失败", 500);
+            throw new BusinessException("更新冻结状态失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("社区消息冻结状态更新成功，ID: {Id}, Status: {Status}", id, status);
@@ -167,14 +167,14 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
 
         if (isFeatured != 0 && isFeatured != 1)
         {
-            throw new BusinessException("精选值无效，只能为0(取消)或1(精选)", 400);
+            throw new BusinessException("精选值无效，只能为0(取消)或1(精选)", ResultCode.BAD_REQUEST);
         }
 
         var message = await messageRepository.GetByIdAsync(id);
         if (message == null)
         {
             logger.LogWarning("未找到社区消息，ID: {Id}", id);
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         message.IsFeatured = isFeatured;
@@ -185,7 +185,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (!result)
         {
             logger.LogError("社区消息精选设置失败，ID: {Id}", id);
-            throw new BusinessException("设置精选失败", 500);
+            throw new BusinessException("设置精选失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("社区消息精选设置成功，ID: {Id}, IsFeatured: {IsFeatured}", id, isFeatured);
@@ -202,7 +202,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (message == null)
         {
             logger.LogWarning("未找到社区消息，ID: {Id}", id);
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         message.SortOrder = sortOrder;
@@ -213,7 +213,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
         if (!result)
         {
             logger.LogError("社区消息排序权重设置失败，ID: {Id}", id);
-            throw new BusinessException("设置排序权重失败", 500);
+            throw new BusinessException("设置排序权重失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("社区消息排序权重设置成功，ID: {Id}, SortOrder: {SortOrder}", id, sortOrder);
@@ -228,7 +228,7 @@ public class CommunityMessageService(BaseRepository<CommunityMessage> messageRep
 
         if (ids == null || ids.Count == 0)
         {
-            throw new BusinessException("消息ID列表不能为空", 400);
+            throw new BusinessException("消息ID列表不能为空", ResultCode.BAD_REQUEST);
         }
 
         var result = await Context.Updateable<CommunityMessage>()
diff --git a/QYZH.InteractiveMagazine.Service/CompensationManageService.cs b/QYZH.InteractiveMagazine.Service/CompensationManageService.cs
index b0ae7bf..71fbfff 100644
--- a/QYZH.InteractiveMagazine.Service/CompensationManageService.cs
+++ b/QYZH.InteractiveMagazine.Service/CompensationManageService.cs
@@ -73,10 +73,10 @@ public class CompensationManageService(
 
         var task = await compensationTaskRepository.GetByIdAsync(taskId);
         if (task == null)
-            throw new BusinessException("补偿任务不存在", 404);
+            throw new BusinessException("补偿任务不存在", ResultCode.NOT_FOUND);
 
         if (task.Status != (int)CompensationTaskStatusEnum.Failed && task.Status != (int)CompensationTaskStatusEnum.Cancelled)
-            throw new BusinessException($"只有失败或已取消的任务才能重试，当前状态: {task.Status}", 400);
+            throw new BusinessException($"只有失败或已取消的任务才能重试，当前状态: {task.Status}", ResultCode.BAD_REQUEST);
 
         // 重置任务状态为 Pending，清零重试次数，设置立即执行
         await compensationTaskRepository.Context.Updateable<CompensationTask>()
@@ -116,10 +116,10 @@ public class CompensationManageService(
 
         var task = await compensationTaskRepository.GetByIdAsync(taskId);
         if (task == null)
-            throw new BusinessException("补偿任务不存在", 404);
+            throw new BusinessException("补偿任务不存在", ResultCode.NOT_FOUND);
 
         if (task.Status == (int)CompensationTaskStatusEnum.Success)
-            throw new BusinessException("该任务已经是成功状态，无需标记", 400);
+            throw new BusinessException("该任务已经是成功状态，无需标记", ResultCode.BAD_REQUEST);
 
         // 标记为 Success
         await compensationTaskRepository.Context.Updateable<CompensationTask>()
@@ -184,7 +184,7 @@ public class CompensationManageService(
             .FirstAsync();
 
         if (result == null)
-            throw new BusinessException("补偿任务不存在", 404);
+            throw new BusinessException("补偿任务不存在", ResultCode.NOT_FOUND);
 
         return result;
     }
diff --git a/QYZH.InteractiveMagazine.Service/JournalCatalogService.cs b/QYZH.InteractiveMagazine.Service/JournalCatalogService.cs
index 5d43121..4401c29 100644
--- a/QYZH.InteractiveMagazine.Service/JournalCatalogService.cs
+++ b/QYZH.InteractiveMagazine.Service/JournalCatalogService.cs
@@ -5,6 +5,7 @@ using QYZH.InteractiveMagazine.Infrastructure.OSS;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Base;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.Journal;
 using QYZH.InteractiveMagazine.Models.Entity;
 using QYZH.InteractiveMagazine.Models.Enum;
@@ -35,10 +36,10 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
     public async Task<long> ImportAsync(JournalImportDto input)
     {
         var Journals = await Queryable<Journal>().Where(w => w.Id == input.JournalId).FirstAsync();
-        BusinessException.ThrowIf(Journals.IsNull(), "未找到书本");
+        BusinessException.ThrowIf(Journals.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
 
         var pageNum = await _JournalPageRepository.Queryable().Where(w => w.JournalId == input.JournalId).MaxAsync(m => m.PageNum);
-        BusinessException.ThrowIf(pageNum != 0, "已经存在书页");
+        BusinessException.ThrowIf(pageNum != 0, "已经存在书页", ResultCode.CONFLICT);
 
 
         var JournalCatalog = new JournalCatalog()
@@ -106,7 +107,7 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
     public async Task<List<JournalCatalogTreeListDto>> GetJournalCatalogListAsync(long JournalId)
     {
         var Journal = await Queryable<Journal>().Where(w => w.Id == JournalId).FirstAsync();
-        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本");
+        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
 
         var pageNumList = await _JournalPageRepository.Queryable()
             .InnerJoin<JournalCatalog>((a, b) => a.JournalCatalogId == b.Id)
@@ -136,7 +137,7 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
     public async Task<List<IcrJournalCatalogTreeDto>> GetJournalCataloTreeAsync(long JournalId)
     {
         var Journal = await Queryable<Journal>().Where(w => w.Id == JournalId).FirstAsync();
-        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本");
+        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
 
         // 先查询所有目录
         var allCatalogs = await base.Queryable()
@@ -276,13 +277,13 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
     public async Task<bool> ImportCatalogAsync(long JournalId, List<JournalCatalogTreeListDto> dtos)
     {
         dtos = dtos.Where(c => !string.IsNullOrWhiteSpace(c.Name)).ToList();
-        BusinessException.ThrowIf(dtos.Select(c => c.PageNum).Distinct().Count() != dtos.Count(), "存在重复的页码");
+        BusinessException.ThrowIf(dtos.Select(c => c.PageNum).Distinct().Count() != dtos.Count(), "存在重复的页码", ResultCode.CONFLICT);
 
         var Journal = await Queryable<Journal>().Where(w => w.Id == JournalId).FirstAsync();
-        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本");
+        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
         var pageNums = dtos.Select(c => c.PageNum).ToList();
         var pageNumNotExists = await _JournalPageRepository.Queryable().AnyAsync(w => w.JournalId == JournalId && !pageNums.Contains(w.PageNum));
-        BusinessException.ThrowIf(pageNumNotExists, "不存在的书页");
+        BusinessException.ThrowIf(pageNumNotExists, "不存在的书页", ResultCode.NOT_FOUND);
 
         var firstCatelogGroup = dtos.Select(c => c.ParentName).Distinct().Select(c => new JournalCatalog
         {
@@ -352,7 +353,7 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
             if (input.Type == 1)
             {
                 var Journal = await Queryable<Journal>().Where(w => w.Id == input.JournalId).FirstAsync();
-                BusinessException.ThrowIf(Journal.IsNull(), "未找到书本");
+                BusinessException.ThrowIf(Journal.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
 
                 //var dotMatrixPage = new DotMatrixPage()
                 //{
@@ -390,10 +391,10 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
         {
             // 删除目录
             var cata = await base.Deleteable().Where(d => ids.Contains(d.Id)).ExecuteCommandAsync() > 0;
-            BusinessException.ThrowIf(!cata, $"删除目录失败");
+            BusinessException.ThrowIf(!cata, $"删除目录失败", ResultCode.GLOBAL_ERROR);
             // 删除所有页/问题
             var pages = await _JournalPageRepository.DeleteAsync(w => ids.Contains(w.JournalCatalogId));
-            BusinessException.ThrowIf(pages.IsNull(), $"删除数据失败");
+            BusinessException.ThrowIf(pages.IsNull(), $"删除数据失败", ResultCode.GLOBAL_ERROR);
 
 
             //var x = await _JournalPageRepository.DeleteAsync(w => ids.Contains(w.JournalCatalogId));
@@ -406,14 +407,14 @@ public class JournalCatalogService : BaseRepository<JournalCatalog>, IJournalCat
     {
         // 1. 获取源节点并校验
         var sourceNode = await base.Queryable().Where(x => x.Id == input.SourceId).FirstAsync();
-        BusinessException.ThrowIf(sourceNode.IsNull(), $"要移动的节点{input.SourceId}不存在");
+        BusinessException.ThrowIf(sourceNode.IsNull(), $"要移动的节点{input.SourceId}不存在", ResultCode.NOT_FOUND);
 
 
         // 2. 校验目标父节点（如果指定）
         if (input.TargetParentId > 0)
         {
             var targetParentExists = await base.Queryable().Where(x => x.Id == input.TargetParentId).AnyAsync();
-            BusinessException.ThrowIf(!targetParentExists, $"目标父节点{input.TargetParentId}不存在");
+            BusinessException.ThrowIf(!targetParentExists, $"目标父节点{input.TargetParentId}不存在", ResultCode.NOT_FOUND);
         }
 
         await base.UseTranAsync(async () =>
diff --git a/QYZH.InteractiveMagazine.Service/JournalPageService.cs b/QYZH.InteractiveMagazine.Service/JournalPageService.cs
index 9bd7c93..cbcaf57 100644
--- a/QYZH.InteractiveMagazine.Service/JournalPageService.cs
+++ b/QYZH.InteractiveMagazine.Service/JournalPageService.cs
@@ -9,6 +9,7 @@ using QYZH.InteractiveMagazine.Infrastructure.OSS;
 using QYZH.InteractiveMagazine.Infrastructure.RabbitMQ;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.Journal;
 using QYZH.InteractiveMagazine.Models.Entity;
 using QYZH.InteractiveMagazine.Models.Enum;
@@ -34,9 +35,9 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
     {
 
         var Journal = await JournalRepository.Queryable().Where(w => w.Id == input.JournalId).FirstAsync();
-        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本");
+        BusinessException.ThrowIf(Journal.IsNull(), "未找到书本", ResultCode.NOT_FOUND);
 
-        BusinessException.ThrowIf(Journal?.Status == (int)JournalStatusEnum.Archive, "书籍已归档不能修改");
+        BusinessException.ThrowIf(Journal?.Status == (int)JournalStatusEnum.Archive, "书籍已归档不能修改", ResultCode.CONFLICT);
 
         var pages = new List<JournalPage>();
         //var dotMatrixpages = new List<DotMatrixPage>();
@@ -65,7 +66,7 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
         {
             //using var uow = Context.Ado.BeginTran();
             var pageData = await base.InsertRangeAsync(pages);
-            BusinessException.ThrowIf(pageData.IsNull(), "创建页失败");
+            BusinessException.ThrowIf(pageData.IsNull(), "创建页失败", ResultCode.GLOBAL_ERROR);
 
             //var result = await dotMatrixPageRepository.InsertRangeAsync(dotMatrixpages);
             //BusinessException.ThrowIf(result, "创建点阵页失败");
@@ -77,12 +78,12 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
     public async Task<bool> UpdateAsync(PageLayoutInput input)
     {
         var page = await Queryable().Where(w => w.Id == input.Id).FirstAsync();
-        BusinessException.ThrowIf(page == null, "不存在此页");
+        BusinessException.ThrowIf(page == null, "不存在此页", ResultCode.NOT_FOUND);
 
         var Journal = await JournalRepository.GetByIdAsync(page.JournalId);
-        BusinessException.ThrowIf(Journal == null, "不存在此书");
+        BusinessException.ThrowIf(Journal == null, "不存在此书", ResultCode.NOT_FOUND);
 
-        BusinessException.ThrowIf(Journal?.Status == (int)JournalStatusEnum.Archive, "书籍已归档不能修改");
+        BusinessException.ThrowIf(Journal?.Status == (int)JournalStatusEnum.Archive, "书籍已归档不能修改", ResultCode.CONFLICT);
         var transResult = await UseTranAsync(async () =>
         {
             //await dotMatrixPageRepository.Updateable().SetColumns(s => s.Area == input.Layout)
@@ -115,21 +116,24 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
     public async Task<bool> UpdatePageNoAsync(long JournalId)
     {
         var journalEntity = await JournalRepository.Queryable().FirstAsync(w => w.Id == JournalId);
-        BusinessException.ThrowIf(journalEntity == null, "不存在此期刊");
+        BusinessException.ThrowIf(journalEntity == null, "不存在此期刊", ResultCode.NOT_FOUND);
 
         //如果书籍状态不等于“已归档”，“已废弃”，“已铺码”的情况下，就更新状态为“已铺码”
-        BusinessException.ThrowIf((JournalStatusEnum)journalEntity.Status is JournalStatusEnum.Abandoned or JournalStatusEnum.Archive or JournalStatusEnum.Codeing, "当前【状态】不允许铺码");
+        BusinessException.ThrowIf((JournalStatusEnum)journalEntity.Status is JournalStatusEnum.Abandoned or JournalStatusEnum.Archive or JournalStatusEnum.Codeing, "当前【状态】不允许铺码", ResultCode.UNPROCESSABLE_ENTITY);
 
         var journalPageList = await JournalPageRepository.Queryable().Where(x => x.JournalId == JournalId).OrderBy(x => x.PageNum).ToListAsync();
-        BusinessException.ThrowIf(journalPageList.Count == 0, "此期刊不存在任何书页");
+        BusinessException.ThrowIf(journalPageList.Count == 0, "此期刊不存在任何书页", ResultCode.NOT_FOUND);
 
-        var uploadPdfUrl = DomainHelper.OssFullUrl(journalEntity?.PdfUrl!);
-        BusinessException.ThrowIf(string.IsNullOrWhiteSpace(uploadPdfUrl), "此期刊上传的PDF路径错误，请检查期刊PDF文件是否上传成功");
+        var uploadPdfKey = journalEntity?.PdfUrl?.RemoveDomain();
+        BusinessException.ThrowIf(string.IsNullOrWhiteSpace(uploadPdfKey), "此期刊上传的PDF路径错误，请检查期刊PDF文件是否上传成功", ResultCode.BAD_REQUEST);
+
+        var uploadPdfUrl = DomainHelper.OssFullUrl(uploadPdfKey);
+        BusinessException.ThrowIf(string.IsNullOrWhiteSpace(uploadPdfUrl), "此期刊上传的PDF路径错误，请检查期刊PDF文件是否上传成功", ResultCode.BAD_REQUEST);
 
         logger.LogInformation("uploadPdfUrl:" + uploadPdfUrl);
         //验证是否上传了PDF文件
-        var response = await httpClientFactory.CreateClient().SendAsync(new HttpRequestMessage(HttpMethod.Head, uploadPdfUrl));
-        BusinessException.ThrowIf(response.StatusCode != HttpStatusCode.OK, "获取期刊上传的PDF文件失败，请检查PDF文件是否上传成功");
+        var isPdfExists = ossService.DoesObjectExist(uploadPdfKey);
+        BusinessException.ThrowIf(!isPdfExists, "获取期刊上传的PDF文件失败，请检查PDF文件是否上传成功", ResultCode.GLOBAL_ERROR);
 
         journalEntity.Status = (int)JournalStatusEnum.Codeing;
 
@@ -154,14 +158,14 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
         return await UseTranAsync(async () =>
         {
             var journalEntity = await JournalRepository.Queryable().FirstAsync(w => w.Id == request.JournalId);
-            BusinessException.ThrowIf(journalEntity == null, "不存在此书");
+            BusinessException.ThrowIf(journalEntity == null, "不存在此书", ResultCode.NOT_FOUND);
 
             //如果书籍状态不等于“铺码中”则不允许回调接口更新点阵码
-            BusinessException.ThrowIf(journalEntity.Status != (int)JournalStatusEnum.Codeing, "当前【状态】不允许修改铺码");
+            BusinessException.ThrowIf(journalEntity.Status != (int)JournalStatusEnum.Codeing, "当前【状态】不允许修改铺码", ResultCode.UNPROCESSABLE_ENTITY);
 
             var bookPageList = await JournalPageRepository.Queryable().Where(x => x.JournalId == request.JournalId).OrderBy(x => x.PageNum).ToListAsync();
 
-            BusinessException.ThrowIf(bookPageList.Count == 0, "此书不存在任何书页");
+            BusinessException.ThrowIf(bookPageList.Count == 0, "此书不存在任何书页", ResultCode.NOT_FOUND);
 
             journalEntity.Status = (int)request.Status!.Value;
             journalEntity.UpdatedAt = DateTime.Now;
@@ -177,7 +181,7 @@ public class JournalPageService(BaseRepository<Journal> JournalRepository,
             {
                 journalEntity.DownloadJournalPagePdfName = request.DownloadJournalPagePdfName;
 
-                BusinessException.ThrowIf(request.PageNo.Length != bookPageList.Count, $"点阵码条数与页码数量不匹配，点阵码条数：{request.PageNo.Length}，页码数量：{bookPageList.Count}");
+                BusinessException.ThrowIf(request.PageNo.Length != bookPageList.Count, $"点阵码条数与页码数量不匹配，点阵码条数：{request.PageNo.Length}，页码数量：{bookPageList.Count}", ResultCode.BAD_REQUEST);
 
 
                 for (var i = 0; i < bookPageList.Count; i++)
diff --git a/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs b/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs
index 504f9e5..efb5ae4 100644
--- a/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs
+++ b/QYZH.InteractiveMagazine.Service/JournalPageTaskService.cs
@@ -3,6 +3,7 @@ using QYZH.InteractiveMagazine.Common.Extensions;
 using QYZH.InteractiveMagazine.Infrastructure.OSS;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.Journal;
 using QYZH.InteractiveMagazine.Models.Entity;
 using QYZH.InteractiveMagazine.Models.Enum;
@@ -18,7 +19,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<long?> InsertAsync(JournalPageTaskAddInput input)
     {
         var JournalStatus = await journalRepository.Queryable().Where(w => w.Id == input.JournalId).Select(s => s.Status).FirstAsync();
-        BusinessException.ThrowIf(JournalStatus == (int)JournalStatusEnum.Archive, "书籍已归档不能添加题目");
+        BusinessException.ThrowIf(JournalStatus == (int)JournalStatusEnum.Archive, "书籍已归档不能添加题目", ResultCode.CONFLICT);
 
         var map = input.Adapt<JournalPageTask>();
         map.Id = YitIdHelper.NextId();
@@ -28,7 +29,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
         {
             var startNo = $"{no[0]}-{no[1]}-{no[2]}-1";
             var groupTask = await Queryable().Where(w => w.No == startNo && w.JournalId == input.JournalId).FirstAsync();
-            BusinessException.ThrowIf(groupTask.IsNull(), "未找到关联跨页的第一部分");
+            BusinessException.ThrowIf(groupTask.IsNull(), "未找到关联跨页的第一部分", ResultCode.NOT_FOUND);
             map.GroupId = groupTask.GroupId;
             map.Type = groupTask.Type;
         }
@@ -42,13 +43,13 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<bool> UpdateAsync(JournalPageTaskUpdateInput input)
     {
         var JournalStatus = await journalRepository.Queryable().Where(w => w.Id == input.JournalId).Select(s => s.Status).FirstAsync();
-        BusinessException.ThrowIf(JournalStatus == (int)JournalStatusEnum.Archive, "书籍已归档不能修改题目");
+        BusinessException.ThrowIf(JournalStatus == (int)JournalStatusEnum.Archive, "书籍已归档不能修改题目", ResultCode.CONFLICT);
 
         var task = await base.Queryable().Where(w => w.Id == input.Id).FirstAsync();
-        BusinessException.ThrowIf(task.IsNull(), "未找到关联的题号");
+        BusinessException.ThrowIf(task.IsNull(), "未找到关联的题号", ResultCode.NOT_FOUND);
 
         var sameTask = await base.Queryable().Where(w => w.No == input.No && w.JournalId == input.JournalId && w.Id != input.Id).FirstAsync();
-        BusinessException.ThrowIf(sameTask.IsNotEmpty(), "已经存在相同题号题目");
+        BusinessException.ThrowIf(sameTask.IsNotEmpty(), "已经存在相同题号题目", ResultCode.CONFLICT);
 
 
         var key = $"journal/{task.JournalId}/{task.JournalPageId}/{task.GroupId}";
@@ -74,7 +75,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
         {
             var startNo = $"{no[0]}-{no[1]}-{no[2]}-1";
             var groupTask = await Queryable().Where(w => w.No == startNo && w.JournalId == input.JournalId).FirstAsync();
-            BusinessException.ThrowIf(groupTask.IsNull(), "未找到关联跨页的第一部分");
+            BusinessException.ThrowIf(groupTask.IsNull(), "未找到关联跨页的第一部分", ResultCode.NOT_FOUND);
             task.GroupId = groupTask.GroupId;
             task.Type = groupTask.Type;
         }
@@ -124,7 +125,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<bool> DeleteAsync(long id)
     {
         var task = await base.Queryable().Where(w => w.Id == id).FirstAsync();
-        BusinessException.ThrowIf(task.IsNull(), "问题不存在");
+        BusinessException.ThrowIf(task.IsNull(), "问题不存在", ResultCode.NOT_FOUND);
 
         var key = $"journal/{task.JournalId}/{task.JournalPageId}/{id}";
 
@@ -139,7 +140,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<bool> ComplementAsync(JournalPageTaskComplementInput input)
     {
         var task = await base.Queryable().Where(w => w.Id == input.Id).FirstAsync();
-        BusinessException.ThrowIf(task.IsNull(), "问题不存在");
+        BusinessException.ThrowIf(task.IsNull(), "问题不存在", ResultCode.NOT_FOUND);
 
         if (input.AudioUrl.NotNull())
         {
@@ -159,7 +160,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<long> AddAnswerAsync(JournalTaskAnswerAddInput input)
     {
         var task = await base.Queryable().Where(w => w.Id == input.JournalPageTaskId).FirstAsync();
-        BusinessException.ThrowIf(task.IsNull(), "问题不存在");
+        BusinessException.ThrowIf(task.IsNull(), "问题不存在", ResultCode.NOT_FOUND);
 
         var key = $"journal/{task.JournalId}/{task.JournalPageId}/{task.GroupId}";
         input.Answer = Deal(null, input.Answer, key, "answer");
@@ -181,7 +182,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<bool> UpdateAnswerAsync(JournalTaskAnswerUpdateInput input)
     {
         var answer = await answerRepository.Queryable().Where(a => a.Id == input.Id).FirstAsync();
-        BusinessException.ThrowIf(answer.IsNull(), "答案不存在");
+        BusinessException.ThrowIf(answer.IsNull(), "答案不存在", ResultCode.NOT_FOUND);
 
         var task = await base.Queryable().Where(w => w.Id == answer.JournalPageTaskId).FirstAsync();
         var key = $"journal/{task.JournalId}/{task.JournalPageId}/{task.GroupId}";
@@ -199,7 +200,7 @@ public class JournalPageTaskService(BaseRepository<Journal> journalRepository, O
     public async Task<bool> DeleteAnswerAsync(long id)
     {
         var answer = await answerRepository.Queryable().Where(a => a.Id == id).FirstAsync();
-        BusinessException.ThrowIf(answer.IsNull(), "答案不存在");
+        BusinessException.ThrowIf(answer.IsNull(), "答案不存在", ResultCode.NOT_FOUND);
 
         var task = await base.Queryable().Where(w => w.Id == answer.JournalPageTaskId).FirstAsync();
         var key = $"journal/{task.JournalId}/{task.JournalPageId}/{task.GroupId}";
diff --git a/QYZH.InteractiveMagazine.Service/JournalService.cs b/QYZH.InteractiveMagazine.Service/JournalService.cs
index 129a5dc..ce5e227 100644
--- a/QYZH.InteractiveMagazine.Service/JournalService.cs
+++ b/QYZH.InteractiveMagazine.Service/JournalService.cs
@@ -68,7 +68,7 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
     /// <returns>新杂志ID</returns>
     public async Task<BaseResponse<long>> AddAsync(JournalAddDto input)
     {
-        BusinessException.ThrowIf(string.IsNullOrWhiteSpace(input.Name), "书籍名称不能为空");
+        BusinessException.ThrowIf(string.IsNullOrWhiteSpace(input.Name), "书籍名称不能为空", ResultCode.BAD_REQUEST);
 
         var journal = new Journal
         {
@@ -114,7 +114,7 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
         var res = await base.InsertAsync(journal);
         if (!res)
         {
-            new BusinessException("创建失败");
+            new BusinessException("创建失败", ResultCode.GLOBAL_ERROR);
         }
         logger.LogInformation("杂志创建成功，ID: {Id}, 名称: {Name}", journal.Id, input.Name);
         return BaseResponse<long>.Success(journal.Id);
@@ -129,8 +129,8 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
     {
 
         var Journal = await base.GetByIdAsync(input.Id);
-        BusinessException.ThrowIf(Journal.IsNull(), "不存在的Id");
-        BusinessException.ThrowIf(Journal.Status == (int)JournalStatusEnum.Archive, "已归档不可编辑");
+        BusinessException.ThrowIf(Journal.IsNull(), "不存在的Id", ResultCode.NOT_FOUND);
+        BusinessException.ThrowIf(Journal.Status == (int)JournalStatusEnum.Archive, "已归档不可编辑", ResultCode.CONFLICT);
         if (string.IsNullOrWhiteSpace(input.Cover))
         {
             Journal.Cover = null;
@@ -204,8 +204,8 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
 
     public async Task<bool> DeleteAsync(List<long> ids)
     {
-        BusinessException.ThrowIf(!base.Queryable().Any(w => ids.Contains(w.Id)), "ID不存在");
-        BusinessException.ThrowIf(base.Queryable().Any(w => ids.Contains(w.Id) && w.Status == (int)JournalStatusEnum.Archive), "已归档不可删除");
+        BusinessException.ThrowIf(!base.Queryable().Any(w => ids.Contains(w.Id)), "ID不存在", ResultCode.NOT_FOUND);
+        BusinessException.ThrowIf(base.Queryable().Any(w => ids.Contains(w.Id) && w.Status == (int)JournalStatusEnum.Archive), "已归档不可删除", ResultCode.CONFLICT);
         var result = await UseTranAsync(async () =>
         {
             await base.DeleteAsync(d => ids.Contains(d.Id));
@@ -282,11 +282,11 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
     public async Task<DotMatrixOutput> PrintCodeAsync(long id)
     {
         var Journal = await base.Queryable().Where(w => w.Id == id).FirstAsync();
-        BusinessException.ThrowIf(Journal.IsNull(), "不存在书");
-        BusinessException.ThrowIf(Journal.Status == (int)JournalStatusEnum.Codeing, "正在生成中...");
+        BusinessException.ThrowIf(Journal.IsNull(), "不存在书", ResultCode.NOT_FOUND);
+        BusinessException.ThrowIf(Journal.Status == (int)JournalStatusEnum.Codeing, "正在生成中...", ResultCode.CONFLICT);
 
         var pages = await JournalPageRepository.Queryable().Where(w => w.JournalId == id).ToListAsync();
-        BusinessException.ThrowIf(pages.IsNull(), "不存在页");
+        BusinessException.ThrowIf(pages.IsNull(), "不存在页", ResultCode.NOT_FOUND);
 
         var output = new DotMatrixOutput()
         {
@@ -315,8 +315,8 @@ public class JournalService(BaseRepository<JournalPage> JournalPageRepository,
     {
         var book = await base.GetByIdAsync(id);
         var tasks = await Context.Queryable<JournalPageTask>().Where(w => w.JournalId == id).ToListAsync();
-        BusinessException.ThrowIf(tasks.Count == 0 && status == JournalStatusEnum.Archive, "未添加任何题目，无法归档");
-        BusinessException.ThrowIf(tasks.Any(a => string.IsNullOrWhiteSpace(a.TaskUrl)) && status == JournalStatusEnum.Archive, $"{string.Join(',', tasks.Where(a => string.IsNullOrWhiteSpace(a.TaskUrl)).Select(a => a.No).ToList())}未保存，无法归档");
+        BusinessException.ThrowIf(tasks.Count == 0 && status == JournalStatusEnum.Archive, "未添加任何题目，无法归档", ResultCode.UNPROCESSABLE_ENTITY);
+        BusinessException.ThrowIf(tasks.Any(a => string.IsNullOrWhiteSpace(a.TaskUrl)) && status == JournalStatusEnum.Archive, $"{string.Join(',', tasks.Where(a => string.IsNullOrWhiteSpace(a.TaskUrl)).Select(a => a.No).ToList())}未保存，无法归档", ResultCode.UNPROCESSABLE_ENTITY);
         var res = await base.Updateable().SetColumns(s => s.Status, status).Where(w => w.Id == id).ExecuteCommandAsync() > 0;
         return res;
     }
diff --git a/QYZH.InteractiveMagazine.Service/MedalService.cs b/QYZH.InteractiveMagazine.Service/MedalService.cs
index f18ec25..c60bade 100644
--- a/QYZH.InteractiveMagazine.Service/MedalService.cs
+++ b/QYZH.InteractiveMagazine.Service/MedalService.cs
@@ -27,12 +27,12 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
 
         if (string.IsNullOrWhiteSpace(input.Name))
         {
-            throw new BusinessException("勋章名称不能为空", 400);
+            throw new BusinessException("勋章名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Type))
         {
-            throw new BusinessException("勋章类型不能为空", 400);
+            throw new BusinessException("勋章类型不能为空", ResultCode.BAD_REQUEST);
         }
 
         var medal = new Medal
@@ -58,7 +58,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
                 var result = await medalRepository.InsertAsync(medal);
                 if (!result)
                 {
-                    throw new BusinessException("创建勋章失败", 500);
+                    throw new BusinessException("创建勋章失败", ResultCode.GLOBAL_ERROR);
                 }
 
                 if (input.Rules != null && input.Rules.Count > 0)
@@ -74,7 +74,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         catch (Exception ex)
         {
             logger.LogError(ex, "勋章创建事务失败，勋章名称: {Name}", input.Name);
-            throw new BusinessException("创建勋章失败", 500);
+            throw new BusinessException("创建勋章失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("勋章创建成功，勋章名称: {Name}, ID: {Id}", input.Name, medal.Id);
@@ -94,17 +94,17 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (medal == null)
         {
             logger.LogWarning("未找到要更新的勋章，ID: {Id}", id);
-            throw new BusinessException("勋章不存在", 404);
+            throw new BusinessException("勋章不存在", ResultCode.NOT_FOUND);
         }
 
         if (string.IsNullOrWhiteSpace(input.Name))
         {
-            throw new BusinessException("勋章名称不能为空", 400);
+            throw new BusinessException("勋章名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Type))
         {
-            throw new BusinessException("勋章类型不能为空", 400);
+            throw new BusinessException("勋章类型不能为空", ResultCode.BAD_REQUEST);
         }
 
         medal.Name = input.Name.Trim();
@@ -123,7 +123,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
                 var result = await medalRepository.UpdateAsync(medal);
                 if (!result)
                 {
-                    throw new BusinessException("更新勋章失败", 500);
+                    throw new BusinessException("更新勋章失败", ResultCode.GLOBAL_ERROR);
                 }
 
                 // 删除旧规则，重新插入新规则
@@ -145,7 +145,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         catch (Exception ex)
         {
             logger.LogError(ex, "勋章更新事务失败，ID: {Id}", id);
-            throw new BusinessException("更新勋章失败", 500);
+            throw new BusinessException("更新勋章失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("勋章更新成功，ID: {Id}", id);
@@ -165,7 +165,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (medal == null)
         {
             logger.LogWarning("未找到要删除的勋章，ID: {Id}", id);
-            throw new BusinessException("勋章不存在", 404);
+            throw new BusinessException("勋章不存在", ResultCode.NOT_FOUND);
         }
 
         try
@@ -175,7 +175,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
                 var result = await medalRepository.DeleteByIdAsync(id);
                 if (!result)
                 {
-                    throw new BusinessException("删除勋章失败", 500);
+                    throw new BusinessException("删除勋章失败", ResultCode.GLOBAL_ERROR);
                 }
 
                 // 同时软删除关联规则
@@ -192,7 +192,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         catch (Exception ex)
         {
             logger.LogError(ex, "勋章删除事务失败，ID: {Id}", id);
-            throw new BusinessException("删除勋章失败", 500);
+            throw new BusinessException("删除勋章失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("勋章删除成功，ID: {Id}", id);
@@ -209,7 +209,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (medal == null)
         {
             logger.LogWarning("未找到勋章，ID: {Id}", id);
-            throw new BusinessException("勋章不存在", 404);
+            throw new BusinessException("勋章不存在", ResultCode.NOT_FOUND);
         }
 
         var rules = await GetRulesByMedalIdAsync(medal.Id);
@@ -225,12 +225,12 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
 
         RefAsync<int> totalNumber = 0;
@@ -266,7 +266,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (medal == null)
         {
             logger.LogWarning("未找到要更新状态的勋章，ID: {Id}", id);
-            throw new BusinessException("勋章不存在", 404);
+            throw new BusinessException("勋章不存在", ResultCode.NOT_FOUND);
         }
 
         medal.Status = medal.Status == 0 ? 1 : 0;
@@ -277,7 +277,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (!result)
         {
             logger.LogError("勋章状态更新失败，ID: {Id}", id);
-            throw new BusinessException("更新勋章状态失败", 500);
+            throw new BusinessException("更新勋章状态失败", ResultCode.GLOBAL_ERROR);
         }
         logger.LogInformation("勋章状态更新成功，ID: {Id}, Status: {Status}", id, medal.Status);
         return result;
@@ -364,19 +364,19 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
 
         if (input.MedalId <= 0)
         {
-            throw new BusinessException("勋章ID无效", 400);
+            throw new BusinessException("勋章ID无效", ResultCode.BAD_REQUEST);
         }
 
         var medal = await medalRepository.GetByIdAsync(input.MedalId);
         if (medal == null)
         {
             logger.LogWarning("未找到要激活的勋章，勋章ID: {MedalId}", input.MedalId);
-            throw new BusinessException("勋章不存在", 404);
+            throw new BusinessException("勋章不存在", ResultCode.NOT_FOUND);
         }
 
         if (medal.Status != 1)
         {
-            throw new BusinessException("该勋章当前不可获得", 400);
+            throw new BusinessException("该勋章当前不可获得", ResultCode.BAD_REQUEST);
         }
 
         // 规则校验
@@ -384,7 +384,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (!passed)
         {
             logger.LogWarning("勋章规则校验未通过，用户ID: {UserId}, 勋章ID: {MedalId}, 原因: {Reason}", userId, input.MedalId, failReason);
-            throw new BusinessException(failReason!, 400);
+            throw new BusinessException(failReason!, ResultCode.BAD_REQUEST);
         }
 
         var existingUserMedal = await Context.Queryable<UserMedal>()
@@ -393,7 +393,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
 
         if (existingUserMedal != null)
         {
-            throw new BusinessException("您已拥有该勋章", 400);
+            throw new BusinessException("您已拥有该勋章", ResultCode.BAD_REQUEST);
         }
 
         var userMedal = new UserMedal
@@ -414,7 +414,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (insertResult <= 0)
         {
             logger.LogError("勋章激活失败，用户ID: {UserId}, 勋章ID: {MedalId}", userId, input.MedalId);
-            throw new BusinessException("激活勋章失败", 500);
+            throw new BusinessException("激活勋章失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("勋章激活成功，用户ID: {UserId}, 勋章ID: {MedalId}", userId, input.MedalId);
@@ -486,7 +486,7 @@ public class MedalService(BaseRepository<Medal> medalRepository, IOptions<MedalR
         if (count <= 0)
         {
             logger.LogError("勋章规则插入失败，MedalId: {MedalId}", medalId);
-            throw new BusinessException("创建勋章规则失败", 500);
+            throw new BusinessException("创建勋章规则失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("勋章规则创建成功，MedalId: {MedalId}, 规则数: {Count}", medalId, rules.Count);
diff --git a/QYZH.InteractiveMagazine.Service/OperationLogService.cs b/QYZH.InteractiveMagazine.Service/OperationLogService.cs
index 4214d69..e855ffe 100644
--- a/QYZH.InteractiveMagazine.Service/OperationLogService.cs
+++ b/QYZH.InteractiveMagazine.Service/OperationLogService.cs
@@ -105,7 +105,7 @@ public class OperationLogService(
 
         if (log == null)
         {
-            throw new BusinessException("操作日志记录不存在");
+            throw new BusinessException("操作日志记录不存在", ResultCode.NOT_FOUND);
         }
 
         var result = new OperationLogDetailOutput
diff --git a/QYZH.InteractiveMagazine.Service/PetService.cs b/QYZH.InteractiveMagazine.Service/PetService.cs
index 71c1150..5a5282e 100644
--- a/QYZH.InteractiveMagazine.Service/PetService.cs
+++ b/QYZH.InteractiveMagazine.Service/PetService.cs
@@ -223,12 +223,12 @@ public class PetService(
 
         if (input.PetId <= 0)
         {
-            throw new BusinessException("宠物Id不能为空", 400);
+            throw new BusinessException("宠物Id不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (input.GrowthPoints <= 0)
         {
-            throw new BusinessException("成长值必须大于0", 400);
+            throw new BusinessException("成长值必须大于0", ResultCode.BAD_REQUEST);
         }
 
         // 查询宠物
@@ -236,21 +236,21 @@ public class PetService(
         if (pet == null || pet.IsDeleted)
         {
             logger.LogWarning("喂养失败，宠物不存在，PetId: {PetId}", input.PetId);
-            throw new BusinessException("宠物不存在", 404);
+            throw new BusinessException("宠物不存在", ResultCode.NOT_FOUND);
         }
 
         // 校验宠物归属
         if (pet.UserId != userId)
         {
             logger.LogWarning("喂养失败，无权操作该宠物，UserId: {UserId}, PetUserId: {PetUserId}", userId, pet.UserId);
-            throw new BusinessException("无权操作该宠物", 403);
+            throw new BusinessException("无权操作该宠物", ResultCode.FORBIDDEN);
         }
 
         // 校验宠物状态
         if (pet.Status != (int)UserPetStatusEnum.Active)
         {
             logger.LogWarning("喂养失败，宠物未激活，PetId: {PetId}, Status: {Status}", input.PetId, pet.Status);
-            throw new BusinessException("宠物未激活，无法喂养", 400);
+            throw new BusinessException("宠物未激活，无法喂养", ResultCode.BAD_REQUEST);
         }
         FeedPetOutput result = new FeedPetOutput();
         // 事务保证一致性
@@ -273,13 +273,13 @@ public class PetService(
         // 查询宠物
         var pet = await petRepository.GetByIdAsync(input.PetId);
         if (pet == null || pet.IsDeleted)
-            throw new BusinessException("宠物不存在", 404);
+            throw new BusinessException("宠物不存在", ResultCode.NOT_FOUND);
 
         if (pet.UserId != userId)
-            throw new BusinessException("无权操作该宠物", 403);
+            throw new BusinessException("无权操作该宠物", ResultCode.FORBIDDEN);
 
         if (pet.Status != (int)UserPetStatusEnum.Active)
-            throw new BusinessException("宠物未激活，无法喂养", 400);
+            throw new BusinessException("宠物未激活，无法喂养", ResultCode.BAD_REQUEST);
 
         var growthBefore = pet.GrowthPoints;
         var growthAfter = growthBefore + input.GrowthPoints;
@@ -297,7 +297,7 @@ public class PetService(
 
         if (updateResult <= 0)
         {
-            throw new BusinessException("更新宠物成长值失败", 500);
+            throw new BusinessException("更新宠物成长值失败", ResultCode.GLOBAL_ERROR);
         }
 
         // 进化检查：查找下一阶段进化形态（PreviousEvolutionId 类型为 long?）
@@ -348,7 +348,7 @@ public class PetService(
         var insertResult = await feedingRecordRepository.InsertAsync(record);
         if (!insertResult)
         {
-            throw new BusinessException("写入喂养记录失败", 500);
+            throw new BusinessException("写入喂养记录失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("喂养宠物成功，PetId: {PetId}, 成长值: {Before} -> {After}, 进化: {HasEvolved}",
@@ -402,10 +402,10 @@ public class PetService(
     public async Task<PetTemplateOutput> CreateTemplateAsync(PetTemplateInput input)
     {
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("模板名称不能为空", 400);
+            throw new BusinessException("模板名称不能为空", ResultCode.BAD_REQUEST);
 
         if (input.Evolutions == null || input.Evolutions.Count == 0)
-            throw new BusinessException("至少需要一个进化阶段", 400);
+            throw new BusinessException("至少需要一个进化阶段", ResultCode.BAD_REQUEST);
 
         PetTemplate template = null!;
 
@@ -430,7 +430,7 @@ public class PetService(
 
             var inserted = await petTemplateRepository.InsertAsync(template);
             if (!inserted)
-                throw new BusinessException("创建宠物模板失败", 500);
+                throw new BusinessException("创建宠物模板失败", ResultCode.GLOBAL_ERROR);
 
             // 2. 按 StageLevel 排序，依次创建进化阶段
             var sortedEvolutions = input.Evolutions.OrderBy(e => e.StageLevel).ToList();
@@ -458,7 +458,7 @@ public class PetService(
 
                 var evoInserted = await petEvolutionRepository.InsertAsync(evolution);
                 if (!evoInserted)
-                    throw new BusinessException($"创建进化阶段 [{evoInput.StageName}] 失败", 500);
+                    throw new BusinessException($"创建进化阶段 [{evoInput.StageName}] 失败", ResultCode.GLOBAL_ERROR);
 
                 // 记录初始阶段（第一个）
                 if (previousEvolution == null)
@@ -560,10 +560,10 @@ public class PetService(
     {
         var template = await petTemplateRepository.GetByIdAsync(id);
         if (template == null || template.IsDeleted)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("模板名称不能为空", 400);
+            throw new BusinessException("模板名称不能为空", ResultCode.BAD_REQUEST);
 
         template.Name = input.Name.Trim();
         template.Description = input.Description;
@@ -575,7 +575,7 @@ public class PetService(
 
         var result = await petTemplateRepository.UpdateAsync(template);
         if (!result)
-            throw new BusinessException("更新宠物模板失败", 500);
+            throw new BusinessException("更新宠物模板失败", ResultCode.GLOBAL_ERROR);
 
         logger.LogInformation("更新宠物模板成功，Id: {Id}", id);
         return BuildTemplateOutput(template);
@@ -588,18 +588,18 @@ public class PetService(
     {
         var template = await petTemplateRepository.GetByIdAsync(id);
         if (template == null || template.IsDeleted)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
 
         if (template.Type == PetTemplateTypeEnum.Default)
-            throw new BusinessException("默认模板不允许删除", 400);
+            throw new BusinessException("默认模板不允许删除", ResultCode.BAD_REQUEST);
 
 
         // 校验是否有用户宠物实例关联
         var hasUserPet = petRepository.Context.Queryable<UserPet>()
             .Any(p => p.TemplateId == id && !p.IsDeleted);
         if (hasUserPet)
-            throw new BusinessException("该模板下存在用户宠物实例，无法删除", 400);
+            throw new BusinessException("该模板下存在用户宠物实例，无法删除", ResultCode.BAD_REQUEST);
 
         template.IsDeleted = true;
         template.UpdatedBy = "System";
@@ -616,7 +616,7 @@ public class PetService(
     {
         var template = await petTemplateRepository.GetByIdAsync(id);
         if (template == null || template.IsDeleted)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
         return BuildTemplateOutput(template);
     }
@@ -663,7 +663,7 @@ public class PetService(
     {
         var template = await petTemplateRepository.GetByIdAsync(id);
         if (template == null || template.IsDeleted)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
         template.Status = template.Status == (int)DefaultStatusEnum.Active
             ? (int)DefaultStatusEnum.Inactive
@@ -703,16 +703,16 @@ public class PetService(
     public async Task<PetEvolutionOutput> CreateEvolutionAsync(PetEvolutionInput input)
     {
         if (input.TemplateId <= 0)
-            throw new BusinessException("模板Id不能为空", 400);
+            throw new BusinessException("模板Id不能为空", ResultCode.BAD_REQUEST);
 
         if (string.IsNullOrWhiteSpace(input.StageName))
-            throw new BusinessException("阶段名称不能为空", 400);
+            throw new BusinessException("阶段名称不能为空", ResultCode.BAD_REQUEST);
 
         // 校验模板是否存在
         var templateExists = petTemplateRepository.Context.Queryable<PetTemplate>()
             .Any(t => t.Id == input.TemplateId && !t.IsDeleted);
         if (!templateExists)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
         var evolution = new PetEvolution
         {
@@ -732,7 +732,7 @@ public class PetService(
 
         var result = await petEvolutionRepository.InsertAsync(evolution);
         if (!result)
-            throw new BusinessException("创建进化阶段失败", 500);
+            throw new BusinessException("创建进化阶段失败", ResultCode.GLOBAL_ERROR);
 
         logger.LogInformation("创建进化阶段成功，Id: {Id}, StageName: {StageName}", evolution.Id, evolution.StageName);
         return BuildEvolutionOutput(evolution);
@@ -745,10 +745,10 @@ public class PetService(
     {
         var evolution = await petEvolutionRepository.GetByIdAsync(id);
         if (evolution == null || evolution.IsDeleted)
-            throw new BusinessException("进化阶段不存在", 404);
+            throw new BusinessException("进化阶段不存在", ResultCode.NOT_FOUND);
 
         if (string.IsNullOrWhiteSpace(input.StageName))
-            throw new BusinessException("阶段名称不能为空", 400);
+            throw new BusinessException("阶段名称不能为空", ResultCode.BAD_REQUEST);
 
         evolution.TemplateId = input.TemplateId;
         evolution.StageName = input.StageName.Trim();
@@ -761,7 +761,7 @@ public class PetService(
 
         var result = await petEvolutionRepository.UpdateAsync(evolution);
         if (!result)
-            throw new BusinessException("更新进化阶段失败", 500);
+            throw new BusinessException("更新进化阶段失败", ResultCode.GLOBAL_ERROR);
 
         logger.LogInformation("更新进化阶段成功，Id: {Id}", id);
         return BuildEvolutionOutput(evolution);
@@ -774,13 +774,13 @@ public class PetService(
     {
         var evolution = await petEvolutionRepository.GetByIdAsync(id);
         if (evolution == null || evolution.IsDeleted)
-            throw new BusinessException("进化阶段不存在", 404);
+            throw new BusinessException("进化阶段不存在", ResultCode.NOT_FOUND);
 
         // 校验是否有用户宠物处于该形态
         var hasUserPet = petRepository.Context.Queryable<UserPet>()
             .Any(p => p.CurrentEvolutionId == id && !p.IsDeleted);
         if (hasUserPet)
-            throw new BusinessException("有用户宠物正处于该形态，无法删除", 400);
+            throw new BusinessException("有用户宠物正处于该形态，无法删除", ResultCode.BAD_REQUEST);
 
         evolution.IsDeleted = true;
         evolution.UpdatedBy = "System";
@@ -797,7 +797,7 @@ public class PetService(
     {
         var evolution = await petEvolutionRepository.GetByIdAsync(id);
         if (evolution == null || evolution.IsDeleted)
-            throw new BusinessException("进化阶段不存在", 404);
+            throw new BusinessException("进化阶段不存在", ResultCode.NOT_FOUND);
 
         return BuildEvolutionOutput(evolution);
     }
@@ -861,16 +861,16 @@ public class PetService(
     public async Task<PetSkinOutput> CreateSkinAsync(PetSkinInput input)
     {
         if (input.TemplateId <= 0)
-            throw new BusinessException("模板Id不能为空", 400);
+            throw new BusinessException("模板Id不能为空", ResultCode.BAD_REQUEST);
 
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("皮肤名称不能为空", 400);
+            throw new BusinessException("皮肤名称不能为空", ResultCode.BAD_REQUEST);
 
         // 校验模板是否存在
         var templateExists = petTemplateRepository.Context.Queryable<PetTemplate>()
             .Any(t => t.Id == input.TemplateId && !t.IsDeleted);
         if (!templateExists)
-            throw new BusinessException("宠物模板不存在", 404);
+            throw new BusinessException("宠物模板不存在", ResultCode.NOT_FOUND);
 
         var skin = new PetSkin
         {
@@ -890,7 +890,7 @@ public class PetService(
 
         var result = await petSkinRepository.InsertAsync(skin);
         if (!result)
-            throw new BusinessException("创建皮肤失败", 500);
+            throw new BusinessException("创建皮肤失败", ResultCode.GLOBAL_ERROR);
 
         // 搬运封面图到正式目录
         if (OssImageHelper.IsTempImage(skin.CoverImageUrl))
@@ -911,10 +911,10 @@ public class PetService(
     {
         var skin = await petSkinRepository.GetByIdAsync(id);
         if (skin == null || skin.IsDeleted)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("皮肤名称不能为空", 400);
+            throw new BusinessException("皮肤名称不能为空", ResultCode.BAD_REQUEST);
 
         skin.TemplateId = input.TemplateId;
         skin.Name = input.Name.Trim();
@@ -937,7 +937,7 @@ public class PetService(
 
         var result = await petSkinRepository.UpdateAsync(skin);
         if (!result)
-            throw new BusinessException("更新皮肤失败", 500);
+            throw new BusinessException("更新皮肤失败", ResultCode.GLOBAL_ERROR);
 
         logger.LogInformation("更新皮肤成功，Id: {Id}", id);
 
@@ -957,13 +957,13 @@ public class PetService(
     {
         var skin = await petSkinRepository.GetByIdAsync(id);
         if (skin == null || skin.IsDeleted)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         // 校验是否有用户宠物正在使用该皮肤
         var inUse = petRepository.Context.Queryable<UserPet>()
             .Any(p => p.CurrentSkinId == id && !p.IsDeleted);
         if (inUse)
-            throw new BusinessException("有用户宠物正在使用该皮肤，无法删除", 400);
+            throw new BusinessException("有用户宠物正在使用该皮肤，无法删除", ResultCode.BAD_REQUEST);
 
         skin.IsDeleted = true;
         skin.UpdatedBy = "System";
@@ -980,7 +980,7 @@ public class PetService(
     {
         var skin = await petSkinRepository.GetByIdAsync(id);
         if (skin == null || skin.IsDeleted)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         var images = await petSkinImageRepository.Queryable()
             .Where(i => i.SkinId == id && !i.IsDeleted)
@@ -1072,19 +1072,19 @@ public class PetService(
     public async Task<PetSkinImageOutput> CreateSkinImageAsync(PetSkinImageInput input)
     {
         if (input.SkinId <= 0)
-            throw new BusinessException("皮肤Id不能为空", 400);
+            throw new BusinessException("皮肤Id不能为空", ResultCode.BAD_REQUEST);
 
         if (input.EvolutionStageId <= 0)
-            throw new BusinessException("进化阶段Id不能为空", 400);
+            throw new BusinessException("进化阶段Id不能为空", ResultCode.BAD_REQUEST);
 
         if (string.IsNullOrWhiteSpace(input.ImageUrl))
-            throw new BusinessException("图片地址不能为空", 400);
+            throw new BusinessException("图片地址不能为空", ResultCode.BAD_REQUEST);
 
         // 校验皮肤是否存在
         var skinExists = petSkinRepository.Context.Queryable<PetSkin>()
             .Any(s => s.Id == input.SkinId && !s.IsDeleted);
         if (!skinExists)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         var image = new PetSkinImage
         {
@@ -1102,7 +1102,7 @@ public class PetService(
 
         var result = await petSkinImageRepository.InsertAsync(image);
         if (!result)
-            throw new BusinessException("创建皮肤图片失败", 500);
+            throw new BusinessException("创建皮肤图片失败", ResultCode.GLOBAL_ERROR);
 
         // 搬运图片到正式目录
         if (OssImageHelper.IsTempImage(image.ImageUrl))
@@ -1123,10 +1123,10 @@ public class PetService(
     {
         var image = await petSkinImageRepository.GetByIdAsync(id);
         if (image == null || image.IsDeleted)
-            throw new BusinessException("皮肤图片不存在", 404);
+            throw new BusinessException("皮肤图片不存在", ResultCode.NOT_FOUND);
 
         if (string.IsNullOrWhiteSpace(input.ImageUrl))
-            throw new BusinessException("图片地址不能为空", 400);
+            throw new BusinessException("图片地址不能为空", ResultCode.BAD_REQUEST);
 
         image.SkinId = input.SkinId;
         image.EvolutionStageId = input.EvolutionStageId;
@@ -1147,7 +1147,7 @@ public class PetService(
 
         var result = await petSkinImageRepository.UpdateAsync(image);
         if (!result)
-            throw new BusinessException("更新皮肤图片失败", 500);
+            throw new BusinessException("更新皮肤图片失败", ResultCode.GLOBAL_ERROR);
 
         logger.LogInformation("更新皮肤图片成功，Id: {Id}", id);
         return BuildSkinImageOutput(image);
@@ -1160,7 +1160,7 @@ public class PetService(
     {
         var image = await petSkinImageRepository.GetByIdAsync(id);
         if (image == null || image.IsDeleted)
-            throw new BusinessException("皮肤图片不存在", 404);
+            throw new BusinessException("皮肤图片不存在", ResultCode.NOT_FOUND);
 
         image.IsDeleted = true;
         image.UpdatedBy = "System";
@@ -1208,7 +1208,7 @@ public class PetService(
     public async Task<List<PetEvolutionOutput>> GetEvolutionsByTemplateIdAsync(long templateId)
     {
         if (templateId <= 0)
-            throw new BusinessException("模板Id不能为空", 400);
+            throw new BusinessException("模板Id不能为空", ResultCode.BAD_REQUEST);
 
         var list = await petEvolutionRepository.Queryable()
             .Where(e => e.TemplateId == templateId && !e.IsDeleted)
@@ -1224,7 +1224,7 @@ public class PetService(
     public async Task<List<PetSkinOutput>> GetSkinsByTemplateIdAsync(long templateId)
     {
         if (templateId <= 0)
-            throw new BusinessException("模板Id不能为空", 400);
+            throw new BusinessException("模板Id不能为空", ResultCode.BAD_REQUEST);
 
         var list = await petSkinRepository.Queryable()
             .Where(s => s.TemplateId == templateId && !s.IsDeleted)
@@ -1276,12 +1276,12 @@ public class PetService(
     public async Task<List<SkinEvolutionStageOutput>> GetSkinImagesGroupedBySkinIdAsync(long skinId)
     {
         if (skinId <= 0)
-            throw new BusinessException("皮肤Id不能为空", 400);
+            throw new BusinessException("皮肤Id不能为空", ResultCode.BAD_REQUEST);
 
         // 1. 获取皮肤信息
         var skin = await petSkinRepository.GetByIdAsync(skinId);
         if (skin == null || skin.IsDeleted)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         // 2. 获取该模板的所有进化阶段（按阶段等级排序）
         var evolutions = await petEvolutionRepository.Queryable()
diff --git a/QYZH.InteractiveMagazine.Service/PointsService.cs b/QYZH.InteractiveMagazine.Service/PointsService.cs
index 5cd73a9..fe2a29f 100644
--- a/QYZH.InteractiveMagazine.Service/PointsService.cs
+++ b/QYZH.InteractiveMagazine.Service/PointsService.cs
@@ -28,7 +28,7 @@ public class PointsService(
             input.UserId, input.Amount, input.ChangeType);
 
         if (input.Amount <= 0)
-            throw new BusinessException("增加积分数量必须大于0", 400);
+            throw new BusinessException("增加积分数量必须大于0", ResultCode.BAD_REQUEST);
 
         AddPointsOutput result = null!;
 
@@ -49,7 +49,7 @@ public class PointsService(
             input.UserId, input.Amount, input.ChangeType);
 
         if (input.Amount <= 0)
-            throw new BusinessException("扣除积分数量必须大于0", 400);
+            throw new BusinessException("扣除积分数量必须大于0", ResultCode.BAD_REQUEST);
 
         DeductPointsOutput result = null!;
 
@@ -71,7 +71,7 @@ public class PointsService(
     public async Task<AddPointsOutput> AddPointsInTranAsync(AddPointsInput input)
     {
         if (input.Amount <= 0)
-            throw new BusinessException("增加积分数量必须大于0", 400);
+            throw new BusinessException("增加积分数量必须大于0", ResultCode.BAD_REQUEST);
 
         // 查询用户当前积分
         var user = await Context.Queryable<Users>()
@@ -79,7 +79,7 @@ public class PointsService(
             .FirstAsync();
 
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         var previousBalance = user.Points;
         var newBalance = previousBalance + input.Amount;
@@ -129,7 +129,7 @@ public class PointsService(
     public async Task<DeductPointsOutput> DeductPointsInTranAsync(DeductPointsInput input)
     {
         if (input.Amount <= 0)
-            throw new BusinessException("扣除积分数量必须大于0", 400);
+            throw new BusinessException("扣除积分数量必须大于0", ResultCode.BAD_REQUEST);
 
         // 查询用户当前积分
         var user = await Context.Queryable<Users>()
@@ -137,13 +137,13 @@ public class PointsService(
             .FirstAsync();
 
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         var previousBalance = user.Points;
 
         // 余额不足校验
         if (previousBalance < input.Amount)
-            throw new BusinessException($"积分不足，需要 {input.Amount} 积分，当前余额 {previousBalance}", 400);
+            throw new BusinessException($"积分不足，需要 {input.Amount} 积分，当前余额 {previousBalance}", ResultCode.BAD_REQUEST);
 
         var newBalance = previousBalance - input.Amount;
 
@@ -214,7 +214,7 @@ public class PointsService(
             .FirstAsync();
 
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         // 查询累计收入（Income 类型）
         var totalIncome = await Context.Queryable<PointsRecord>()
@@ -241,10 +241,10 @@ public class PointsService(
     public async Task<PageListModel<PointsRecordOutput>> GetPointsRecordsAsync(PointsRecordQueryInput input)
     {
         if (input.PageIndex <= 0)
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
 
         if (input.PageSize <= 0 || input.PageSize > 100)
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
 
         var query = Context.Queryable<PointsRecord>()
             .Where(r => r.UserId == input.UserId && !r.IsDeleted)
diff --git a/QYZH.InteractiveMagazine.Service/ProductService.cs b/QYZH.InteractiveMagazine.Service/ProductService.cs
index f75679f..a19e021 100644
--- a/QYZH.InteractiveMagazine.Service/ProductService.cs
+++ b/QYZH.InteractiveMagazine.Service/ProductService.cs
@@ -29,17 +29,17 @@ public class ProductService(
 
         if (string.IsNullOrWhiteSpace(input.Name))
         {
-            throw new BusinessException("商品名称不能为空", 400);
+            throw new BusinessException("商品名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Type))
         {
-            throw new BusinessException("商品类型不能为空", 400);
+            throw new BusinessException("商品类型不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (input.Price < 0)
         {
-            throw new BusinessException("商品价格不能为负数", 400);
+            throw new BusinessException("商品价格不能为负数", ResultCode.BAD_REQUEST);
         }
 
         var product = new Product
@@ -66,7 +66,7 @@ public class ProductService(
         if (!result)
         {
             logger.LogError("商品创建失败，商品名称: {Name}", input.Name);
-            throw new BusinessException("创建商品失败", 500);
+            throw new BusinessException("创建商品失败", ResultCode.GLOBAL_ERROR);
         }
 
         // 将 temp 目录下的图片搬运到正式目录
@@ -113,22 +113,22 @@ public class ProductService(
         if (product == null)
         {
             logger.LogWarning("未找到要更新的商品，ID: {Id}", id);
-            throw new BusinessException("商品不存在", 404);
+            throw new BusinessException("商品不存在", ResultCode.NOT_FOUND);
         }
 
         if (string.IsNullOrWhiteSpace(input.Name))
         {
-            throw new BusinessException("商品名称不能为空", 400);
+            throw new BusinessException("商品名称不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (string.IsNullOrWhiteSpace(input.Type))
         {
-            throw new BusinessException("商品类型不能为空", 400);
+            throw new BusinessException("商品类型不能为空", ResultCode.BAD_REQUEST);
         }
 
         if (input.Price < 0)
         {
-            throw new BusinessException("商品价格不能为负数", 400);
+            throw new BusinessException("商品价格不能为负数", ResultCode.BAD_REQUEST);
         }
 
         // 将 temp 目录下的新图片搬运到正式目录
@@ -158,7 +158,7 @@ public class ProductService(
         if (!result)
         {
             logger.LogError("商品更新失败，ID: {Id}", id);
-            throw new BusinessException("更新商品失败", 500);
+            throw new BusinessException("更新商品失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("商品更新成功，ID: {Id}", id);
@@ -195,14 +195,14 @@ public class ProductService(
         if (product == null)
         {
             logger.LogWarning("未找到要删除的商品，ID: {Id}", id);
-            throw new BusinessException("商品不存在", 404);
+            throw new BusinessException("商品不存在", ResultCode.NOT_FOUND);
         }
 
         var result = await productRepository.DeleteByIdAsync(id);
         if (!result)
         {
             logger.LogError("商品删除失败，ID: {Id}", id);
-            throw new BusinessException("删除商品失败", 500);
+            throw new BusinessException("删除商品失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("商品删除成功，ID: {Id}", id);
@@ -219,7 +219,7 @@ public class ProductService(
         if (product == null)
         {
             logger.LogWarning("未找到商品，ID: {Id}", id);
-            throw new BusinessException("商品不存在", 404);
+            throw new BusinessException("商品不存在", ResultCode.NOT_FOUND);
         }
 
         return new ProductOutput
@@ -252,12 +252,12 @@ public class ProductService(
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
 
         RefAsync<int> totalNumber = 0;
@@ -303,7 +303,7 @@ public class ProductService(
         if (product == null)
         {
             logger.LogWarning("未找到要更新状态的商品，ID: {Id}", id);
-            throw new BusinessException("商品不存在", 404);
+            throw new BusinessException("商品不存在", ResultCode.NOT_FOUND);
         }
 
         product.Status = product.Status == (int)ProductStatusEnum.OnSale
@@ -316,7 +316,7 @@ public class ProductService(
         if (!result)
         {
             logger.LogError("商品状态更新失败，ID: {Id}", id);
-            throw new BusinessException("更新商品状态失败", 500);
+            throw new BusinessException("更新商品状态失败", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("商品上下架状态更新成功，ID: {Id}, SaleStatus: {SaleStatus}", id, product.Status);
diff --git a/QYZH.InteractiveMagazine.Service/UserAnswerTaskService.cs b/QYZH.InteractiveMagazine.Service/UserAnswerTaskService.cs
index c5a832f..218eeae 100644
--- a/QYZH.InteractiveMagazine.Service/UserAnswerTaskService.cs
+++ b/QYZH.InteractiveMagazine.Service/UserAnswerTaskService.cs
@@ -1,6 +1,7 @@
 using Microsoft.Extensions.Logging;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.Points;
 using QYZH.InteractiveMagazine.Models.Dto.UserAnswerTaskService;
 using QYZH.InteractiveMagazine.Models.Entity;
@@ -939,7 +940,7 @@ public class UserAnswerTaskService(
 
         if (relatedTasks == null || relatedTasks.Count == 0)
         {
-            throw new BusinessException("任务不存在", 404);
+            throw new BusinessException("任务不存在", ResultCode.NOT_FOUND);
         }
 
         // ============================================
@@ -972,7 +973,7 @@ public class UserAnswerTaskService(
 
         if (userAnswers == null || userAnswers.Count == 0)
         {
-            throw new BusinessException("请先完成答题再领取积分", 400);
+            throw new BusinessException("请先完成答题再领取积分", ResultCode.BAD_REQUEST);
         }
 
         // ============================================
@@ -988,7 +989,7 @@ public class UserAnswerTaskService(
                 var completedAnswer = userAnswers.FirstOrDefault(a => a.JournalPageTaskId == task.Id && a.Status == (int)UserAnswerStatusEnum.Complete);
                 if (completedAnswer == null)
                 {
-                    throw new BusinessException("跨页题目需要完成所有任务才能领取积分", 400);
+                    throw new BusinessException("跨页题目需要完成所有任务才能领取积分", ResultCode.BAD_REQUEST);
                 }
             }
         }
@@ -997,7 +998,7 @@ public class UserAnswerTaskService(
             // 普通题目：只需要 Status=1 即可
             if (userAnswers.FirstOrDefault()?.Status != (int)UserAnswerStatusEnum.Complete)
             {
-                throw new BusinessException("请先完成答题再领取积分", 400);
+                throw new BusinessException("请先完成答题再领取积分", ResultCode.BAD_REQUEST);
             }
         }
 
@@ -1020,7 +1021,7 @@ public class UserAnswerTaskService(
 
         if (totalPoints <= 0)
         {
-            throw new BusinessException("该任务无积分可领取", 400);
+            throw new BusinessException("该任务无积分可领取", ResultCode.BAD_REQUEST);
         }
 
         // ============================================
@@ -1054,7 +1055,7 @@ public class UserAnswerTaskService(
 
         if (existingRecord != null)
         {
-            throw new BusinessException("积分已领取，请勿重复领取", 400);
+            throw new BusinessException("积分已领取，请勿重复领取", ResultCode.BAD_REQUEST);
         }
 
         // ============================================
@@ -1110,7 +1111,7 @@ public class UserAnswerTaskService(
 
         if (input == null || input.GroupIds == null || input.GroupIds.Count == 0)
         {
-            throw new BusinessException("任务分组Id列表不能为空", 400);
+            throw new BusinessException("任务分组Id列表不能为空", ResultCode.BAD_REQUEST);
         }
 
         var groupIds = input.GroupIds.Distinct().ToList();
diff --git a/QYZH.InteractiveMagazine.Service/UserJournalService.cs b/QYZH.InteractiveMagazine.Service/UserJournalService.cs
index 15cd79c..f69a97b 100644
--- a/QYZH.InteractiveMagazine.Service/UserJournalService.cs
+++ b/QYZH.InteractiveMagazine.Service/UserJournalService.cs
@@ -31,14 +31,14 @@ public class UserJournalService(
         // 校验参数
         if (input.JournalId <= 0|| input.Id <= 0)
         {
-            throw new BusinessException("参数错误，未获取到期刊", 400);
+            throw new BusinessException("参数错误，未获取到期刊", ResultCode.BAD_REQUEST);
         }
         // 校验用户是否存在
         var user = await usersRepository.GetByIdAsync(userId);
         if (user == null || user.IsDeleted)
         {
             logger.LogWarning("绑定期刊失败，用户不存在，UserId: {UserId}", userId);
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
         }
 
         // 校验期刊是否存在
@@ -46,14 +46,14 @@ public class UserJournalService(
         if (journal == null || journal.IsDeleted)
         {
             logger.LogWarning("绑定期刊失败，期刊不存在，JournalId: {JournalId}", input.JournalId);
-            throw new BusinessException("期刊不存在", 404);
+            throw new BusinessException("期刊不存在", ResultCode.NOT_FOUND);
         }
 
         // 校验期刊状态
         if (journal.Status != (int)JournalStatusEnum.Published)
         {
             logger.LogWarning("绑定期刊失败，期刊未发布，JournalId: {JournalId}, Status: {Status}", input.JournalId, journal.Status);
-            throw new BusinessException("该期刊暂未发布，无法绑定", 400);
+            throw new BusinessException("该期刊暂未发布，无法绑定", ResultCode.UNPROCESSABLE_ENTITY);
         }
 
         // 防重复绑定：同一用户 + 期刊 + 实例 + 类型
@@ -63,7 +63,7 @@ public class UserJournalService(
         if (isExist)
         {
             logger.LogWarning("重复绑定期刊，UserId: {UserId}, JournalId: {JournalId}, Type: {Type}", userId, input.JournalId, input.Type);
-            throw new BusinessException("该期刊已被绑定", 400);
+            throw new BusinessException("该期刊已被绑定", ResultCode.BAD_REQUEST);
         }
 
         // 检查是否为首次绑定期刊（用于激活宠物）
@@ -89,7 +89,7 @@ public class UserJournalService(
         if (!result)
         {
             logger.LogError("绑定期刊失败，写入数据库失败，UserId: {UserId}, JournalId: {JournalId}", userId, input.JournalId);
-            throw new BusinessException("绑定期刊失败，请稍后重试", 500);
+            throw new BusinessException("绑定期刊失败，请稍后重试", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("用户绑定期刊成功，UserId: {UserId}, JournalId: {JournalId}, Id: {Id}", userId, input.JournalId, userJournal.Id);
@@ -129,12 +129,12 @@ public class UserJournalService(
 
         if (input.PageIndex <= 0)
         {
-            throw new BusinessException("页码必须大于0", 400);
+            throw new BusinessException("页码必须大于0", ResultCode.BAD_REQUEST);
         }
 
         if (input.PageSize <= 0 || input.PageSize > 100)
         {
-            throw new BusinessException("每页条数必须在1-100之间", 400);
+            throw new BusinessException("每页条数必须在1-100之间", ResultCode.BAD_REQUEST);
         }
 
         RefAsync<int> totalNumber = 0;
@@ -167,21 +167,21 @@ public class UserJournalService(
         if (userJournal == null || userJournal.IsDeleted)
         {
             logger.LogWarning("取消绑定失败，记录不存在，Id: {Id}", id);
-            throw new BusinessException("绑定记录不存在", 404);
+            throw new BusinessException("绑定记录不存在", ResultCode.NOT_FOUND);
         }
 
         // 校验归属权：只能取消自己的绑定
         if (userJournal.UserId != userId)
         {
             logger.LogWarning("取消绑定失败，无权操作，UserId: {UserId}, RecordUserId: {RecordUserId}", userId, userJournal.UserId);
-            throw new BusinessException("无权取消该绑定", 403);
+            throw new BusinessException("无权取消该绑定", ResultCode.FORBIDDEN);
         }
 
         var result = await userJournalRepository.DeleteByIdAsync(id);
         if (!result)
         {
             logger.LogError("取消绑定失败，Id: {Id}", id);
-            throw new BusinessException("取消绑定失败，请稍后重试", 500);
+            throw new BusinessException("取消绑定失败，请稍后重试", ResultCode.GLOBAL_ERROR);
         }
 
         logger.LogInformation("取消期刊绑定成功，UserId: {UserId}, Id: {Id}", userId, id);
diff --git a/QYZH.InteractiveMagazine.Service/UsersService.cs b/QYZH.InteractiveMagazine.Service/UsersService.cs
index 98e30c4..f7f3ea6 100644
--- a/QYZH.InteractiveMagazine.Service/UsersService.cs
+++ b/QYZH.InteractiveMagazine.Service/UsersService.cs
@@ -197,7 +197,7 @@ public class UsersService(
         // 校验用户是否存在
         var user = await Queryable().Where(u => u.Id == userId && !u.IsDeleted).FirstAsync();
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         // 调用积分服务增加积分
         var result = await pointsService.AddPointsAsync(new AddPointsInput
@@ -247,7 +247,7 @@ public class UsersService(
         // 校验用户是否存在
         var user = await Queryable().Where(u => u.Id == userId && !u.IsDeleted).FirstAsync();
         if (user == null)
-            throw new BusinessException("用户不存在", 404);
+            throw new BusinessException("用户不存在", ResultCode.NOT_FOUND);
 
         // 调用积分服务扣除积分
         var result = await pointsService.DeductPointsAsync(new DeductPointsInput
diff --git a/QYZH.InteractiveMagazine.Service/WeChatAuthService.cs b/QYZH.InteractiveMagazine.Service/WeChatAuthService.cs
index 86e37e1..3693116 100644
--- a/QYZH.InteractiveMagazine.Service/WeChatAuthService.cs
+++ b/QYZH.InteractiveMagazine.Service/WeChatAuthService.cs
@@ -4,6 +4,7 @@ using QYZH.InteractiveMagazine.Common.Helpers;
 using QYZH.InteractiveMagazine.Infrastructure.Auth;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Entity;
 using QYZH.InteractiveMagazine.Models.Enum;
 using QYZH.InteractiveMagazine.Models.Settings;
@@ -38,7 +39,7 @@ public class WeChatAuthService(
         logger.LogInformation("微信小程序登录");
 
         if (string.IsNullOrWhiteSpace(input.Code))
-            throw new BusinessException("微信登录凭证 code 不能为空", 400);
+            throw new BusinessException("微信登录凭证 code 不能为空", ResultCode.BAD_REQUEST);
 
         var weChatSettings = GetWeChatSettings();
 
@@ -48,7 +49,7 @@ public class WeChatAuthService(
         {
             var errMsg = wxResponse?.ErrMsg ?? "未知错误";
             logger.LogWarning("微信 code2session 接口调用失败，errcode: {ErrCode}, errmsg: {ErrMsg}", wxResponse?.ErrCode, errMsg);
-            throw new BusinessException($"微信登录失败：{errMsg}", 400);
+            throw new BusinessException($"微信登录失败：{errMsg}", ResultCode.BAD_REQUEST);
         }
 
         logger.LogInformation("微信 code2session 成功，OpenId: {OpenId}", wxResponse.OpenId);
@@ -130,7 +131,7 @@ public class WeChatAuthService(
         logger.LogInformation("微信快捷登录，OpenId: {OpenId}", input.OpenId);
 
         if (string.IsNullOrWhiteSpace(input.OpenId))
-            throw new BusinessException("OpenId 不能为空", 400);
+            throw new BusinessException("OpenId 不能为空", ResultCode.BAD_REQUEST);
 
         var wxUser = await wxUserRepository.Context.Queryable<WxUser>()
             .Where(w => w.OpenId == input.OpenId && !w.IsDeleted)
@@ -139,7 +140,7 @@ public class WeChatAuthService(
         if (wxUser == null)
         {
             logger.LogWarning("快捷登录失败，OpenId: {OpenId} 下无 WxUser", input.OpenId);
-            throw new BusinessException("未找到该微信账号关联的用户，请先完成注册", 404);
+            throw new BusinessException("未找到该微信账号关联的用户，请先完成注册", ResultCode.NOT_FOUND);
         }
 
         var users = await wxUserRepository.Context.Queryable<Users>()
@@ -165,17 +166,17 @@ public class WeChatAuthService(
             .FirstAsync();
 
         if (targetUser == null)
-            throw new BusinessException("目标用户不存在", 404);
+            throw new BusinessException("目标用户不存在", ResultCode.NOT_FOUND);
 
         // 校验目标用户属于同一 WxUser
         if (targetUser.WxUserId != wxUserId)
         {
             logger.LogWarning("切换用户失败，WxUserId 不匹配，当前: {Current}, 目标: {Target}", wxUserId, targetUser.WxUserId);
-            throw new BusinessException("无法切换到该用户", 403);
+            throw new BusinessException("无法切换到该用户", ResultCode.FORBIDDEN);
         }
 
         if (targetUser.Status == (int)UserStatusEnum.Disabled)
-            throw new BusinessException("目标账号已被禁用", 403);
+            throw new BusinessException("目标账号已被禁用", ResultCode.FORBIDDEN);
 
         // 更新 IsLastOnline（清除所有，设置目标为 true）
         await wxUserRepository.Context.Updateable<Users>()
@@ -232,7 +233,7 @@ public class WeChatAuthService(
         logger.LogInformation("新增用户，WxUserId: {WxUserId}, Name: {Name}", wxUserId, input.Name);
 
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("昵称不能为空", 400);
+            throw new BusinessException("昵称不能为空", ResultCode.BAD_REQUEST);
 
         // 校验 WxUser 是否存在
         var wxUser = await wxUserRepository.Context.Queryable<WxUser>()
@@ -240,7 +241,7 @@ public class WeChatAuthService(
             .FirstAsync();
 
         if (wxUser == null)
-            throw new BusinessException("微信用户不存在", 404);
+            throw new BusinessException("微信用户不存在", ResultCode.NOT_FOUND);
 
         // 创建新用户
         var newUser = new Users
@@ -280,14 +281,14 @@ public class WeChatAuthService(
         logger.LogInformation("修改家长名字，WxUserId: {WxUserId}, NewName: {Name}", wxUserId, input.Name);
 
         if (string.IsNullOrWhiteSpace(input.Name))
-            throw new BusinessException("名字不能为空", 400);
+            throw new BusinessException("名字不能为空", ResultCode.BAD_REQUEST);
 
         var wxUser = await wxUserRepository.Context.Queryable<WxUser>()
             .Where(w => w.Id == wxUserId && !w.IsDeleted)
             .FirstAsync();
 
         if (wxUser == null)
-            throw new BusinessException("微信用户不存在", 404);
+            throw new BusinessException("微信用户不存在", ResultCode.NOT_FOUND);
 
         await wxUserRepository.Context.Updateable<WxUser>()
             .SetColumns(w => w.Name == input.Name.Trim())
@@ -358,7 +359,7 @@ public class WeChatAuthService(
         catch (Exception ex)
         {
             logger.LogError(ex, "调用微信 code2session 接口异常，URL: {Url}", url);
-            throw new BusinessException("微信服务请求失败，请稍后重试", 500);
+            throw new BusinessException("微信服务请求失败，请稍后重试", ResultCode.GLOBAL_ERROR);
         }
     }
 
@@ -378,7 +379,7 @@ public class WeChatAuthService(
         {
             var errMsg = response?.ErrMsg ?? "未知错误";
             logger.LogError("获取微信 access_token 失败，errcode: {ErrCode}, errmsg: {ErrMsg}", response?.ErrCode, errMsg);
-            throw new BusinessException("微信服务请求失败，请稍后重试", 500);
+            throw new BusinessException("微信服务请求失败，请稍后重试", ResultCode.GLOBAL_ERROR);
         }
 
         var expiresIn = response.ExpiresIn > 300 ? response.ExpiresIn - 300 : response.ExpiresIn;
@@ -441,7 +442,7 @@ public class WeChatAuthService(
         if (settings == null || string.IsNullOrWhiteSpace(settings.AppId) || string.IsNullOrWhiteSpace(settings.AppSecret))
         {
             logger.LogError("微信配置不完整，请检查 appsettings.json 中的 WeChatSettings 节点");
-            throw new BusinessException("微信配置不完整，请联系系统管理员", 500);
+            throw new BusinessException("微信配置不完整，请联系系统管理员", ResultCode.GLOBAL_ERROR);
         }
         return settings;
     }
@@ -458,7 +459,7 @@ public class WeChatAuthService(
             };
 
         if (string.IsNullOrWhiteSpace(jwtSettings.SecretKey))
-            throw new BusinessException("JWT 配置不完整", 500);
+            throw new BusinessException("JWT 配置不完整", ResultCode.GLOBAL_ERROR);
 
         return jwtSettings;
     }
diff --git a/QYZH.InteractiveMagazine.Service/WeChatCommunityService.cs b/QYZH.InteractiveMagazine.Service/WeChatCommunityService.cs
index 1566514..28c563c 100644
--- a/QYZH.InteractiveMagazine.Service/WeChatCommunityService.cs
+++ b/QYZH.InteractiveMagazine.Service/WeChatCommunityService.cs
@@ -116,13 +116,13 @@ public class WeChatCommunityService(
 
         if (input.MessageId <= 0)
         {
-            throw new BusinessException("消息ID无效", 400);
+            throw new BusinessException("消息ID无效", ResultCode.BAD_REQUEST);
         }
 
         var message = await messageRepository.GetByIdAsync(input.MessageId);
         if (message == null)
         {
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         // 检查是否已点赞
@@ -132,7 +132,7 @@ public class WeChatCommunityService(
 
         if (existingLike != null)
         {
-            throw new BusinessException("您已点赞过该消息", 400);
+            throw new BusinessException("您已点赞过该消息", ResultCode.BAD_REQUEST);
         }
 
         // 插入点赞记录
@@ -151,7 +151,7 @@ public class WeChatCommunityService(
         var insertResult = await Context.Insertable(like).ExecuteCommandAsync();
         if (insertResult <= 0)
         {
-            throw new BusinessException("点赞失败", 500);
+            throw new BusinessException("点赞失败", ResultCode.GLOBAL_ERROR);
         }
 
         // 更新点赞数
@@ -183,13 +183,13 @@ public class WeChatCommunityService(
 
         if (messageId <= 0)
         {
-            throw new BusinessException("消息ID无效", 400);
+            throw new BusinessException("消息ID无效", ResultCode.BAD_REQUEST);
         }
 
         var message = await messageRepository.GetByIdAsync(messageId);
         if (message == null)
         {
-            throw new BusinessException("消息不存在", 404);
+            throw new BusinessException("消息不存在", ResultCode.NOT_FOUND);
         }
 
         var existingLike = await Context.Queryable<CommunityMessageLike>()
@@ -198,7 +198,7 @@ public class WeChatCommunityService(
 
         if (existingLike == null)
         {
-            throw new BusinessException("您尚未点赞过该消息", 400);
+            throw new BusinessException("您尚未点赞过该消息", ResultCode.BAD_REQUEST);
         }
 
         // 软删除点赞记录
diff --git a/QYZH.InteractiveMagazine.Service/WxMallService.cs b/QYZH.InteractiveMagazine.Service/WxMallService.cs
index 1ee9d00..bf0b5eb 100644
--- a/QYZH.InteractiveMagazine.Service/WxMallService.cs
+++ b/QYZH.InteractiveMagazine.Service/WxMallService.cs
@@ -1,6 +1,7 @@
 using Microsoft.Extensions.Logging;
 using QYZH.InteractiveMagazine.IService;
 using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Dto.Bag;
 using QYZH.InteractiveMagazine.Models.Dto.Mall;
 using QYZH.InteractiveMagazine.Models.Dto.Points;
@@ -187,10 +188,10 @@ public class WxMallService(
             userId, input.ProductId, input.Quantity);
 
         if (input.ProductId <= 0)
-            throw new BusinessException("商品Id无效", 400);
+            throw new BusinessException("商品Id无效", ResultCode.BAD_REQUEST);
 
         if (input.Quantity <= 0)
-            throw new BusinessException("兑换数量必须大于0", 400);
+            throw new BusinessException("兑换数量必须大于0", ResultCode.BAD_REQUEST);
 
         // 查询商品
         var product = await exchangeRecordRepository.Context.Queryable<Product>()
@@ -198,7 +199,7 @@ public class WxMallService(
             .FirstAsync();
 
         if (product == null)
-            throw new BusinessException("商品不存在或已下架", 404);
+            throw new BusinessException("商品不存在或已下架", ResultCode.NOT_FOUND);
 
         var totalCost = product.Price * input.Quantity;
 
@@ -404,24 +405,24 @@ public class WxMallService(
         logger.LogInformation("使用背包物品，UserId: {UserId}, BagItemId: {BagItemId}", userId, input.BagItemId);
 
         if (input.BagItemId <= 0)
-            throw new BusinessException("背包物品Id无效", 400);
+            throw new BusinessException("背包物品Id无效", ResultCode.BAD_REQUEST);
 
         var bagItem = await exchangeRecordRepository.Context.Queryable<UserBag>()
             .Where(b => b.Id == input.BagItemId && b.UserId == userId && b.Status == (int)UserBagStatusEnum.Available)
             .FirstAsync();
 
         if (bagItem == null)
-            throw new BusinessException("背包物品不存在", 404);
+            throw new BusinessException("背包物品不存在", ResultCode.NOT_FOUND);
 
         if (bagItem.Quantity <= 0)
-            throw new BusinessException("物品数量不足", 400);
+            throw new BusinessException("物品数量不足", ResultCode.BAD_REQUEST);
 
         switch (bagItem.ItemType)
         {
             case "MakeUpCard":
                 return await UseMakeUpCardAsync(userId, bagItem, input);
             default:
-                throw new BusinessException($"不支持使用该类型物品: {bagItem.ItemType}", 400);
+                throw new BusinessException($"不支持使用该类型物品: {bagItem.ItemType}", ResultCode.BAD_REQUEST);
         }
     }
 
@@ -431,15 +432,15 @@ public class WxMallService(
     private async Task<UseItemOutput> UseMakeUpCardAsync(long userId, UserBag bagItem, UseItemInput input)
     {
         if (string.IsNullOrEmpty(input.TargetDate))
-            throw new BusinessException("请指定补签日期", 400);
+            throw new BusinessException("请指定补签日期", ResultCode.BAD_REQUEST);
 
         if (!DateTime.TryParse(input.TargetDate, out var targetDate))
-            throw new BusinessException("日期格式无效", 400);
+            throw new BusinessException("日期格式无效", ResultCode.BAD_REQUEST);
 
         targetDate = targetDate.Date;
 
         if (targetDate >= DateTime.Now.Date)
-            throw new BusinessException("只能补签过去的日期", 400);
+            throw new BusinessException("只能补签过去的日期", ResultCode.BAD_REQUEST);
 
         // 调用签到服务执行补签（内部会检查并扣减补签卡）
         var checkInResult = await checkInService.MakeUpCheckInAsync(userId, targetDate);
@@ -467,7 +468,7 @@ public class WxMallService(
             .FirstAsync();
 
         if (pet == null)
-            throw new BusinessException("您还没有宠物", 404);
+            throw new BusinessException("您还没有宠物", ResultCode.NOT_FOUND);
 
         if (input.SkinId == 0)
         {
@@ -488,7 +489,7 @@ public class WxMallService(
             .FirstAsync();
 
         if (skin == null)
-            throw new BusinessException("皮肤不存在", 404);
+            throw new BusinessException("皮肤不存在", ResultCode.NOT_FOUND);
 
         // 校验背包中是否拥有该皮肤（通过 MetaData 中的 SkinId 判断）
         var hasSkin = await exchangeRecordRepository.Context.Queryable<UserBag>()
@@ -499,7 +500,7 @@ public class WxMallService(
         var owned = hasSkin.Any(b => GetSkinIdFromMetaData(b.MetaData) == input.SkinId);
 
         if (!owned)
-            throw new BusinessException("您尚未拥有该皮肤，请先兑换", 400);
+            throw new BusinessException("您尚未拥有该皮肤，请先兑换", ResultCode.BAD_REQUEST);
 
         // 换肤
         await exchangeRecordRepository.Context.Updateable<UserPet>()
diff --git a/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs b/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
index 0788b80..58d9117 100644
--- a/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
+++ b/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
@@ -62,7 +62,10 @@ public abstract class BaseController : ControllerBase
     /// <returns>统一响应对象</returns>
     protected BaseResponse<object> Fail(string message, int code = 500)
     {
-        return BaseResponse<object>.Fail(ResultCode.GLOBAL_ERROR, message);
+        var resultCode = Enum.IsDefined(typeof(ResultCode), code)
+            ? (ResultCode)code
+            : ResultCode.GLOBAL_ERROR;
+        return BaseResponse<object>.Fail(resultCode, message);
     }
 
     protected IActionResult ApiResult(bool success, string msg)
@@ -91,7 +94,7 @@ public abstract class BaseController : ControllerBase
         //var webHostEnvironment = App.WebHostEnvironment;
         if (!Path.Exists(path))
         {
-            throw new BusinessException(fileName + "文件不存在");
+            throw new BusinessException(fileName + "文件不存在", ResultCode.NOT_FOUND);
         }
         var stream = System.IO.File.OpenRead(path);  //创建文件流
 
diff --git a/QYZH.InteractiveMagazine.WebApi/Controllers/JournalController.cs b/QYZH.InteractiveMagazine.WebApi/Controllers/JournalController.cs
index 2ba3b25..8d2b452 100644
--- a/QYZH.InteractiveMagazine.WebApi/Controllers/JournalController.cs
+++ b/QYZH.InteractiveMagazine.WebApi/Controllers/JournalController.cs
@@ -395,15 +395,15 @@ namespace QYZH.InteractiveMagazine.WebApi.Controllers
         {
             var entity = await JournalService.GetFirstAsync(x => x.Id == JournalId);
             if (entity == null)
-                throw new BusinessException("书籍不存在");
+                throw new BusinessException("书籍不存在", ResultCode.NOT_FOUND);
 
             var downloadUrl = entity.DownloadJournalPagePdfName;
             if (string.IsNullOrWhiteSpace(downloadUrl))
-                throw new BusinessException("下载点阵码PDF文件为空,请先铺码");
+                throw new BusinessException("下载点阵码PDF文件为空,请先铺码", ResultCode.BAD_REQUEST);
 
             var stream = await httpClientFactory.CreateClient().GetStreamAsync(downloadUrl);  //创建文件流
             if (stream == null)
-                throw new BusinessException("下载点阵码PDF文件失败");
+                throw new BusinessException("下载点阵码PDF文件失败", ResultCode.GLOBAL_ERROR);
 
             Response.Headers.Append("Access-Control-Expose-Headers", "Content-Disposition");
 
diff --git a/QYZH.InteractiveMagazine.WorkService/Consumers/AutoDotCodeConsumer.cs b/QYZH.InteractiveMagazine.WorkService/Consumers/AutoDotCodeConsumer.cs
index 819fe15..7d3e038 100644
--- a/QYZH.InteractiveMagazine.WorkService/Consumers/AutoDotCodeConsumer.cs
+++ b/QYZH.InteractiveMagazine.WorkService/Consumers/AutoDotCodeConsumer.cs
@@ -1,4 +1,5 @@
 using Newtonsoft.Json;
+using QYZH.InteractiveMagazine.Common.Extensions;
 using QYZH.InteractiveMagazine.Infrastructure.OSS;
 using QYZH.InteractiveMagazine.Models.Dto.Journal;
 using QYZH.InteractiveMagazine.Models.Entity;
@@ -65,7 +66,19 @@ public class AutoDotCodeConsumer(IConfiguration configuration,
             var uploadFilePath = uploadPdfDic + uploadFileName;
 
             // 获取上传成功的书籍页码pdf文件
-            var pdfSteam = await httpClientFactory.CreateClient().GetStreamAsync(journalPagePrintDtoMessage.JournalPdfUrl, cancellationToken);
+            var journalPdfKey = journalPagePrintDtoMessage.JournalPdfUrl?.RemoveDomain();
+            if (string.IsNullOrWhiteSpace(journalPdfKey))
+            {
+                logger.LogError("书籍上传的PDF文件地址为空，JournalId: {JournalId}", journalPagePrintDtoMessage.JournalId);
+                return;
+            }
+
+            await using var pdfSteam = ossService.GetObjectStream(journalPdfKey);
+            if (pdfSteam == null)
+            {
+                logger.LogError("获取书籍上传的PDF文件失败，OSS Key: {OssKey}", journalPdfKey);
+                return;
+            }
 
             await using (var fs = new FileStream(uploadFilePath, FileMode.CreateNew, FileAccess.Write))
             {
diff --git a/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs b/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
index 5f76e8d..a44f653 100644
--- a/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
+++ b/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
@@ -1,18 +1,21 @@
+using Newtonsoft.Json;
+using QYZH.InteractiveMagazine.Infrastructure.OSS;
+using SqlSugar;
 using System.Text;
+using System.Threading.Channels;
+using Yitter.IdGenerator;
 
 namespace QYZH.InteractiveMagazine.WorkService.Consumers;
 
 /// <summary>
 /// 期刊任务接收消费者（示例）
 /// </summary>
-public class JournalTaskReceiveConsumer : IQueueConsumer
+public class JournalTaskReceiveConsumer(ILogger<JournalTaskReceiveConsumer> logger, IConfiguration configuration,
+    IServiceScopeFactory scopeFactory,
+    IWebHostEnvironment webHostEnvironment,
+    IHttpClientFactory httpClientFactory,
+    OssService ossService) : IQueueConsumer
 {
-    private readonly ILogger<JournalTaskReceiveConsumer> _logger;
-
-    public JournalTaskReceiveConsumer(ILogger<JournalTaskReceiveConsumer> logger)
-    {
-        _logger = logger;
-    }
 
     public string Exchange => "ex.journal";
 
@@ -20,20 +23,63 @@ public class JournalTaskReceiveConsumer : IQueueConsumer
 
     public string RoutingKey => "rk.journal.task.receive";
 
-    public async Task HandleAsync(byte[] message, CancellationToken cancellationToken = default)
+    public async Task HandleAsync(byte[] body, CancellationToken cancellationToken = default)
     {
-        var body = Encoding.UTF8.GetString(message);
-        _logger.LogInformation("收到期刊任务消息: {Message}", body);
+        var message = Encoding.UTF8.GetString(body);
+        logger.LogInformation("收到期刊任务消息: {Message}", message);
 
+        using var scope = scopeFactory.CreateScope();
+        var client = scope.ServiceProvider.GetRequiredService<ISqlSugarClient>();
         // TODO: 在此编写具体的消息处理逻辑
+        try
+        {
+            var data = System.Text.Json.JsonSerializer.Deserialize<QuestionData>(message);
 
+
+
+            client.Ado.CommitTran();
+        }
+        catch (Exception ex)
+        {
+            client.Ado.RollbackTran();
+            logger.LogError(ex.Message + ex.StackTrace);
+        }
         await Task.CompletedTask;
     }
 
-    public Task OnErrorAsync(byte[] message, Exception exception)
+    public Task OnErrorAsync(byte[] body, Exception exception)
     {
-        var body = Encoding.UTF8.GetString(message);
-        _logger.LogError(exception, "处理期刊任务消息失败: {Message}", body);
+        var message = Encoding.UTF8.GetString(body);
+        logger.LogError(exception, "处理期刊任务消息失败: {Message}", message);
         return Task.CompletedTask;
     }
+
+
 }
+
+public class QuestionData
+{
+    public long UserId { get; set; }
+    public long JournalId { get; set; }
+    public long PageId { get; set; }
+    public string PageAnswerUrl { get; set; }
+    public Question[] Questions { get; set; }
+    public DateTime CreatedTime { get; set; }
+}
+
+public class Question
+{
+    public long Id { get; set; }
+    public string Url { get; set; }
+    public string[] AnswerUrl { get; set; }
+    public DateTime AnswerStartTime { get; set; }
+    public DateTime AnswerEndTime { get; set; }
+    public int AnswerTime { get; set; }
+    public int BreakCount { get; set; }
+    public List<BreakTime> BreakTimes { get; set; }
+}
+public class BreakTime
+{
+    public DateTime Time { get; set; }
+    public long WaitTime { get; set; }
+}
\ No newline at end of file
diff --git a/SqlMigrations/pet_module_optimization.sql b/SqlMigrations/pet_module_optimization.sql
deleted file mode 100644
index 4424693..0000000
--- a/SqlMigrations/pet_module_optimization.sql
+++ /dev/null
@@ -1,33 +0,0 @@
--- ========================================
--- 宠物模块数据结构优化迁移脚本
--- 执行前请备份相关表数据
--- ========================================
-
--- 1. 修改 Pet 表：CurrentEvolutionId int → bigint
-ALTER TABLE Pet MODIFY COLUMN CurrentEvolutionId BIGINT NOT NULL DEFAULT 0;
-
--- 2. 修改 PetEvolution 表：PreviousEvolutionId int → bigint, 删除 ImageUrl
-ALTER TABLE PetEvolution MODIFY COLUMN PreviousEvolutionId BIGINT NULL;
-ALTER TABLE PetEvolution DROP COLUMN ImageUrl;
-
--- 3. 修改 PetSkin 表：删除 ImageUrl 和 ProductId
-ALTER TABLE PetSkin DROP COLUMN ImageUrl;
-ALTER TABLE PetSkin DROP COLUMN ProductId;
-
--- 4. 新建 PetSkinImage 表（每个皮肤在每个进化阶段下有一组有序图片）
-CREATE TABLE IF NOT EXISTS PetSkinImage (
-    Id BIGINT NOT NULL PRIMARY KEY COMMENT '主键（雪花ID）',
-    SkinId BIGINT NOT NULL COMMENT '皮肤Id，关联PetSkin.Id（0表示默认皮肤）',
-    EvolutionStageId BIGINT NOT NULL COMMENT '进化阶段Id，关联PetEvolution.Id',
-    ImageUrl VARCHAR(500) NOT NULL COMMENT '图片地址',
-    SortOrder INT NOT NULL DEFAULT 0 COMMENT '图片顺序（动画帧序号）',
-    Type VARCHAR(50) NOT NULL DEFAULT 'Normal' COMMENT '图片类型: Normal, Special',
-    Status INT NOT NULL DEFAULT 0 COMMENT '基础状态',
-    IsDeleted TINYINT(1) NOT NULL DEFAULT 0 COMMENT '软删除',
-    CreatedBy VARCHAR(100) NULL COMMENT '创建人',
-    CreatedAt DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
-    UpdatedBy VARCHAR(100) NULL COMMENT '更新人',
-    UpdatedAt DATETIME NULL COMMENT '更新时间',
-    INDEX idx_skin_evolution (SkinId, EvolutionStageId),
-    INDEX idx_sort (SkinId, EvolutionStageId, SortOrder)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='宠物皮肤图片表';