添加失败类型

@@ -14,6 +14,7 @@ class Notify extends Base
     const STATUS_FINISH_ROUTE = 1;
     const STATUS_FINISH_PAGE = 2;
     const STATUS_FINISH_SITEMAP = 3;
+    const STATUS_ERROR = 9;
 
     /**
      * 类型 1：主站， 2：小语种， 3：amp
@@ -78,6 +79,7 @@ class Notify extends Base
             self::STATUS_FINISH_ROUTE => '页面生成中',
             self::STATUS_FINISH_PAGE => 'sitemap生成中',
             self::STATUS_FINISH_SITEMAP => '完成',
+            self::STATUS_ERROR => 'sitemap生成失败',
         ];
     }
 }