Merge branch '新疆体育高职分支' of http://123.57.209.16:3000/bjquanjiang/DigitalScholl into 新疆体育高职分支

Learun.Framework.Ultimate V7/Learun.Application.Web/Controllers/UtilityController.cs

@@ -97,7 +97,11 @@ namespace Learun.Application.Web.Controllers
                 case "listfile":
                     return ListFileManager(UeditorConfig.GetString("fileManagerListPath"), UeditorConfig.GetStringList("fileManagerAllowFiles"));
                 case "catchimage":
-                    return CrawlerHandler();
+                    //return CrawlerHandler();存在漏洞
+                    return Content(new
+                    {
+                        state = "action 参数为空或者 action 不被支持。"
+                    }.ToJson());
                 default:
                     return Content(new
                     {