diff --git a/QYZH.InteractiveMagazine.Models/Dto/Admin/AdminPermissionDto.cs b/QYZH.InteractiveMagazine.Models/Dto/Admin/AdminPermissionDto.cs
index 08855c8..860714c 100644
--- a/QYZH.InteractiveMagazine.Models/Dto/Admin/AdminPermissionDto.cs
+++ b/QYZH.InteractiveMagazine.Models/Dto/Admin/AdminPermissionDto.cs
@@ -1,3 +1,5 @@
+using QYZH.InteractiveMagazine.Models.Enum;
+
 namespace QYZH.InteractiveMagazine.Models.Dto;
 
 /// <summary>
@@ -148,6 +150,11 @@ public class AdminRoleInput
     /// </summary>
     public string Code { get; set; } = string.Empty;
 
+    /// <summary>
+    /// 角色类型
+    /// </summary>
+    public AdminRoleTypeEnum Type { get; set; } = AdminRoleTypeEnum.Normal;
+
     /// <summary>
     /// 备注
     /// </summary>
@@ -184,6 +191,11 @@ public class AdminRoleOutput
     /// </summary>
     public string Code { get; set; } = string.Empty;
 
+    /// <summary>
+    /// 角色类型
+    /// </summary>
+    public AdminRoleTypeEnum Type { get; set; }
+
     /// <summary>
     /// 备注
     /// </summary>
@@ -224,6 +236,11 @@ public class AdminRoleSimpleOutput
     /// 角色编码
     /// </summary>
     public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 角色类型
+    /// </summary>
+    public AdminRoleTypeEnum Type { get; set; }
 }
 
 /// <summary>
@@ -241,6 +258,11 @@ public class AdminRoleQueryInput : PageQueryModel
     /// </summary>
     public string? Code { get; set; }
 
+    /// <summary>
+    /// 角色类型
+    /// </summary>
+    public AdminRoleTypeEnum? Type { get; set; }
+
     /// <summary>
     /// 状态
     /// </summary>
diff --git a/QYZH.InteractiveMagazine.Models/Entity/AdminRole.cs b/QYZH.InteractiveMagazine.Models/Entity/AdminRole.cs
index 9ffd19a..a5b6982 100644
--- a/QYZH.InteractiveMagazine.Models/Entity/AdminRole.cs
+++ b/QYZH.InteractiveMagazine.Models/Entity/AdminRole.cs
@@ -1,4 +1,5 @@
 using SqlSugar;
+using QYZH.InteractiveMagazine.Models.Enum;
 
 namespace QYZH.InteractiveMagazine.Models.Entity;
 
@@ -22,6 +23,13 @@ public partial class AdminRole : SqlSugarBaseEntity
     /// </summary>
     public string Code { get; set; } = string.Empty;
 
+    /// <summary>
+    /// Desc:角色类型，0=普通角色，1=系统角色
+    /// Default:0
+    /// Nullable:False
+    /// </summary>
+    public AdminRoleTypeEnum Type { get; set; } = AdminRoleTypeEnum.Normal;
+
     /// <summary>
     /// Desc:备注
     /// Default:
diff --git a/QYZH.InteractiveMagazine.Models/Enum/AdminRoleTypeEnum.cs b/QYZH.InteractiveMagazine.Models/Enum/AdminRoleTypeEnum.cs
new file mode 100644
index 0000000..b234aa3
--- /dev/null
+++ b/QYZH.InteractiveMagazine.Models/Enum/AdminRoleTypeEnum.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel;
+
+namespace QYZH.InteractiveMagazine.Models.Enum;
+
+/// <summary>
+/// 后台角色类型枚举
+/// </summary>
+public enum AdminRoleTypeEnum
+{
+    /// <summary>
+    /// 普通角色
+    /// </summary>
+    [Description("普通角色")]
+    Normal = 0,
+
+    /// <summary>
+    /// 系统角色
+    /// </summary>
+    [Description("系统角色")]
+    System = 1
+}
diff --git a/QYZH.InteractiveMagazine.Service/AdminPermissionService.cs b/QYZH.InteractiveMagazine.Service/AdminPermissionService.cs
index 77ec6d9..78fe19e 100644
--- a/QYZH.InteractiveMagazine.Service/AdminPermissionService.cs
+++ b/QYZH.InteractiveMagazine.Service/AdminPermissionService.cs
@@ -128,6 +128,7 @@ public class AdminPermissionService(
         {
             Name = input.Name.Trim(),
             Code = input.Code.Trim(),
+            Type = input.Type,
             Remark = input.Remark?.Trim(),
             Status = input.Status,
             CreatedBy = "System",
@@ -157,9 +158,11 @@ public class AdminPermissionService(
         BusinessException.ThrowIf(role == null, "角色不存在", ResultCode.NOT_FOUND);
 
         await ValidateRoleInputAsync(input, id);
+        BusinessException.ThrowIf(role!.Type == AdminRoleTypeEnum.System && input.Type != AdminRoleTypeEnum.System, "系统角色不能修改为普通角色", ResultCode.FORBIDDEN);
 
-        role!.Name = input.Name.Trim();
+        role.Name = input.Name.Trim();
         role.Code = input.Code.Trim();
+        role.Type = input.Type;
         role.Remark = input.Remark?.Trim();
         role.Status = input.Status;
         role.UpdatedBy = "System";
@@ -182,6 +185,7 @@ public class AdminPermissionService(
     public async Task DeleteRoleAsync(long id)
     {
         var role = await adminRoleRepository.GetByIdAsync(id);
+        BusinessException.ThrowIf(role?.Type == AdminRoleTypeEnum.System, "系统角色不允许删除", ResultCode.FORBIDDEN);
         BusinessException.ThrowIf(role == null, "角色不存在", ResultCode.NOT_FOUND);
 
         var usedByUser = await adminUserRoleRepository.Queryable().AnyAsync(x => x.RoleId == id && !x.IsDeleted);
@@ -221,6 +225,7 @@ public class AdminPermissionService(
             .Where(x => !x.IsDeleted)
             .WhereIF(!string.IsNullOrWhiteSpace(input.Name), x => x.Name.Contains(input.Name!))
             .WhereIF(!string.IsNullOrWhiteSpace(input.Code), x => x.Code.Contains(input.Code!))
+            .WhereIF(input.Type.HasValue, x => x.Type == input.Type!.Value)
             .WhereIF(input.Status.HasValue, x => x.Status == input.Status!.Value)
             .OrderByDescending(x => x.CreatedAt)
             .ToPageListAsync(input.PageIndex, input.PageSize, totalNumber);
@@ -283,7 +288,8 @@ public class AdminPermissionService(
             {
                 Id = role.Id,
                 Name = role.Name,
-                Code = role.Code
+                Code = role.Code,
+                Type = role.Type
             })
             .ToListAsync();
     }
@@ -490,6 +496,7 @@ public class AdminPermissionService(
             Id = role.Id,
             Name = role.Name,
             Code = role.Code,
+            Type = role.Type,
             Remark = role.Remark,
             Status = role.Status,
             MenuIds = menuIds,
diff --git a/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs b/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
index 1f10f2a..e2da403 100644
--- a/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
+++ b/QYZH.InteractiveMagazine.WorkService/Consumers/JournalTaskReceiveConsumer.cs
@@ -963,7 +963,7 @@ public class JournalTaskReceiveConsumer(
             LastTag = 0,
             DotPageNum = page?.PageNum ?? 0,
             PageResultUrl = string.Empty,
-            Type = task.Type.ToString(),
+            Type = ((int)task.Type).ToString(),
             DotPageNo = page?.PageNo ?? string.Empty,
             PageAnswerDotUrl = string.Empty,
             BreakCount = GetBreakCount(scoreUnit),