调整接口类型

New_College.Api/Controllers/Front/FrontSelectionController.cs

@@ -61,6 +61,8 @@ namespace New_College.Api.Controllers.Front
             return new MessageModel<List<uniMajorInfoResult>>()
             {
                 response = roottrees,
+                success = true,
+                msg = "ok"
             };
 
         }