diff --git a/demo/WalkingTec.Mvvm.ApiDemo/ApiTestController.cs b/demo/WalkingTec.Mvvm.ApiDemo/ApiTestController.cs
index bc3e3a16a..752550caa 100644
--- a/demo/WalkingTec.Mvvm.ApiDemo/ApiTestController.cs
+++ b/demo/WalkingTec.Mvvm.ApiDemo/ApiTestController.cs
@@ -128,5 +128,32 @@ public IActionResult ExportExcelByIds(Guid[] ids)
             return File(data, "application/vnd.ms-excel", $"Export_FrameworkUser_{DateTime.Now.ToString("yyyy-MM-dd")}.xls");
         }
 
+        [HttpGet("GetExcelTemplate")]
+        public IActionResult GetExcelTemplate()
+        {
+            var importVM = CreateVM<FrameworkUserImportVM>();
+            var qs = new Dictionary<string, string>();
+            foreach (var item in Request.Query.Keys)
+            {
+                qs.Add(item, Request.Query[item]);
+            }
+            importVM.SetParms(qs);
+            var data = importVM.GenerateTemplate(out string fileName);
+            return File(data, "application/vnd.ms-excel", fileName);
+        }
+
+        //[HttpPost("Import")]
+        //[ActionDescription("导入")]
+        //public ActionResult Import(SchoolImportVM vm, IFormCollection nouse)
+        //{
+        //    if (vm.ErrorListVM.EntityList.Count > 0 || !vm.BatchSaveData())
+        //    {
+        //        return PartialView(vm);
+        //    }
+        //    else
+        //    {
+        //        return FFResult().RefreshGrid().CloseDialog().Alert("成功导入 " + vm.EntityList.Count.ToString() + " 行数据");
+        //    }
+        //}
     }
 }
diff --git a/demo/WalkingTec.Mvvm.Demo/appsettings.json b/demo/WalkingTec.Mvvm.Demo/appsettings.json
index f0a801097..c90d59e21 100644
--- a/demo/WalkingTec.Mvvm.Demo/appsettings.json
+++ b/demo/WalkingTec.Mvvm.Demo/appsettings.json
@@ -16,8 +16,8 @@
   "PageMode": "Single", //页面显示模式，Single或者Tab
   "FileUploadOptions": {
     "UploadLimit": 20971520,
-    "SaveFileMode": "local", //上传文件的保存方式，可选Database,local,dfs
-    "UploadDir": "D://" //当上传文件选择Local时，指定硬盘目录
+    "SaveFileMode": "Database", //上传文件的保存方式，可选Database,local,dfs
+    "UploadDir": "D:\\" //当上传文件选择Local时，指定硬盘目录
   },
   "DFSServer": {
     "StorageMaxConnection": 100,
diff --git a/src/WalkingTec.Mvvm.Core/Utils.cs b/src/WalkingTec.Mvvm.Core/Utils.cs
index 76d9ecc7d..35748a256 100644
--- a/src/WalkingTec.Mvvm.Core/Utils.cs
+++ b/src/WalkingTec.Mvvm.Core/Utils.cs
@@ -520,7 +520,7 @@ public static string GetUrlByFileAttachmentId(IDataContext dc, Guid? fileAttachm
             var fileAttachment = dc.Set<FileAttachment>().Where(x => x.ID == fileAttachmentId.Value).FirstOrDefault();
             if (fileAttachment != null)
             {
-                    url = "/_Framework/OutputAttachment/" + fileAttachmentId.ToString();
+                    url = "/_Framework/GetFile/" + fileAttachmentId.ToString();
                 
             }
             return url;
diff --git a/src/WalkingTec.Mvvm.Mvc/_FrameworkController.cs b/src/WalkingTec.Mvvm.Mvc/_FrameworkController.cs
index aa24f13f0..6725210d1 100644
--- a/src/WalkingTec.Mvvm.Mvc/_FrameworkController.cs
+++ b/src/WalkingTec.Mvvm.Mvc/_FrameworkController.cs
@@ -133,7 +133,7 @@ public IActionResult GetPagingData(string _DONOT_USE_VMNAME,string _DONOT_USE_CS
             //var vmType = Type.GetType(_DONOT_USE_VMNAME);
             //var vmCreater = vmType.GetConstructor(Type.EmptyTypes);
             //var listVM = vmCreater.Invoke(null) as BaseVM;
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             var listVM = CreateVM(_DONOT_USE_VMNAME, null, null, true) as IBasePagedListVM<TopBasePoco, BaseSearcher>;
             listVM.FC = qs;
             if (listVM is IBasePagedListVM<TopBasePoco, ISearcher>)
@@ -200,7 +200,7 @@ public IActionResult GetExportExcel(string _DONOT_USE_VMNAME, string _DONOT_USE_
             }
             var instanceType = Type.GetType(_DONOT_USE_VMNAME);
 
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             var listVM = CreateVM(_DONOT_USE_VMNAME) as IBasePagedListVM<TopBasePoco, ISearcher>;
 
             listVM.FC = qs;
@@ -229,7 +229,7 @@ public IActionResult GetExportExcel(string _DONOT_USE_VMNAME, string _DONOT_USE_
         [ActionDescription("获取模板")]
         public IActionResult GetExcelTemplate(string _DONOT_USE_VMNAME, string _DONOT_USE_CS = "default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             var importVM = CreateVM(_DONOT_USE_VMNAME) as IBaseImport<BaseTemplateVM>;
             var qs = new Dictionary<string, string>();
             foreach (var item in Request.Query.Keys)
@@ -296,7 +296,7 @@ public IActionResult Error()
         [ActionDescription("UploadFileRoute")]
         public IActionResult Upload(SaveFileModeEnum? sm = null, string groupName = null, bool IsTemprory = true, string _DONOT_USE_CS="default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             var FileData = Request.Form.Files[0];
             sm = sm == null ? ConfigInfo.FileUploadOptions.SaveFileMode : sm;
             var vm = CreateVM<FileAttachmentVM>();
@@ -318,7 +318,7 @@ public IActionResult Upload(SaveFileModeEnum? sm = null, string groupName = null
         [ActionDescription("UploadForLayUIRichTextBox")]
         public IActionResult UploadForLayUIRichTextBox(string _DONOT_USE_CS = "default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             var FileData = Request.Form.Files[0];
             var sm = ConfigInfo.FileUploadOptions.SaveFileMode;
             var vm = CreateVM<FileAttachmentVM>();
@@ -340,7 +340,7 @@ public IActionResult UploadForLayUIRichTextBox(string _DONOT_USE_CS = "default")
         [ActionDescription("获取文件名")]
         public IActionResult GetFileName(Guid id, string _DONOT_USE_CS = "default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             FileAttachmentVM vm = CreateVM<FileAttachmentVM>(id);
             return Ok(vm.Entity.FileName);
         }
@@ -348,7 +348,7 @@ public IActionResult GetFileName(Guid id, string _DONOT_USE_CS = "default")
         [ActionDescription("获取文件")]
         public IActionResult GetFile(Guid id, bool stream = false, string _DONOT_USE_CS = "default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             if (id == Guid.Empty)
             {
                 return new StatusCodeResult(StatusCodes.Status404NotFound);
@@ -383,7 +383,7 @@ public IActionResult GetFile(Guid id, bool stream = false, string _DONOT_USE_CS
         [ActionDescription("查看文件")]
         public IActionResult ViewFile(Guid id, string _DONOT_USE_CS = "default")
         {
-            CurrentCS = _DONOT_USE_CS;
+            CurrentCS = _DONOT_USE_CS ?? "default";
             string html = string.Empty;
             FileAttachmentVM vm = CreateVM<FileAttachmentVM>(id);
             if (vm.Entity.FileExt.ToLower() == "pdf")