diff --git a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/LR_SystemModule/Controllers/AnnexesController.cs b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/LR_SystemModule/Controllers/AnnexesController.cs
index f2f8dee9d..3c5a8f585 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/LR_SystemModule/Controllers/AnnexesController.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/LR_SystemModule/Controllers/AnnexesController.cs	
@@ -63,6 +63,10 @@ namespace Learun.Application.Web.Areas.LR_SystemModule.Controllers
                     return HttpNotFound();
                 }
             }
+            if (chunks > 100)
+            {
+                return Fail("上传失败,文件超出可上传大小限制");
+            }
             annexesFileIBLL.SaveChunkAnnexes(fileGuid, chunk, Filedata.InputStream);
             return Success("保存成功");
         }