diff --git a/SGGL/BLL/API/APIUpLoadFileService.cs b/SGGL/BLL/API/APIUpLoadFileService.cs
index bf1e5691..2a7abe24 100644
--- a/SGGL/BLL/API/APIUpLoadFileService.cs
+++ b/SGGL/BLL/API/APIUpLoadFileService.cs
@@ -111,6 +111,7 @@ namespace BLL
         {
             using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
             {
+                CommonService.DeleteAttachFileById(toDoItem.DataId);
                 ////保存附件
                 if (!string.IsNullOrEmpty(toDoItem.UrlStr))
                 {