添加通知事件go.blkBackStatus限定在有货app内

@@ -505,7 +505,7 @@ const yoho = {
      * @param fail
      */
     blkBackStatus(args, success, fail) {
-        if (this.isApp && window.yohoInterface) {
+        if (this.isYohoBuy && window.yohoInterface) {
             window.yohoInterface.triggerEvent(success || nullFun, fail || nullFun, {
                 method: 'go.blkBackStatus',
                 arguments: {