diff --git a/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs b/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
index 100eaf0..0788b80 100644
--- a/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
+++ b/QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs
@@ -102,8 +102,12 @@ public abstract class BaseController : ControllerBase
     protected (string, string) DownloadImportTemplate<T>(List<T> list, string fileName)
     {
         IWebHostEnvironment webHostEnvironment = ServiceContext.GetService<IWebHostEnvironment>();
+        var webRoot = webHostEnvironment.WebRootPath
+            ?? Path.Combine(webHostEnvironment.ContentRootPath, "wwwroot");
+        if (!Directory.Exists(webRoot)) Directory.CreateDirectory(webRoot);
+
         string sFileName = $"{fileName}.xlsx";
-        string fullPath = Path.Combine(webHostEnvironment.WebRootPath, "ImportTemplate", sFileName);
+        string fullPath = Path.Combine(webRoot, "ImportTemplate", sFileName);
 
         //不存在模板创建模板
         if (!Directory.Exists(fullPath))
@@ -124,8 +128,12 @@ public abstract class BaseController : ControllerBase
     protected (string, string) ExportExcelMini<T>(List<T> list, string sheetName, string fileName)
     {
         IWebHostEnvironment webHostEnvironment = ServiceContext.GetService<IWebHostEnvironment>();
+        var webRoot = webHostEnvironment.WebRootPath
+            ?? Path.Combine(webHostEnvironment.ContentRootPath, "wwwroot");
+        if (!Directory.Exists(webRoot)) Directory.CreateDirectory(webRoot);
+
         string sFileName = $"{fileName}_{DateTime.Now:MMdd_HHmmss}.xlsx";
-        string fullPath = Path.Combine(webHostEnvironment.WebRootPath, "export", sFileName);
+        string fullPath = Path.Combine(webRoot, "export", sFileName);
 
         Directory.CreateDirectory(Path.GetDirectoryName(fullPath));