小修改

app-hd/controllers/ChatController.php

@@ -215,5 +215,6 @@ class ChatController extends BaseController
         }
 
         Yii::info($callbackData);
+        return $this->asJson(['return_code' => 0, 'return_msg' => 'OK']); // 成功状态的返回数据
     }
 }

app-mall/controllers/ChatController.php

@@ -171,5 +171,6 @@ class ChatController extends BaseController
         }
 
         Yii::info($callbackData);
+        return $this->asJson(['return_code' => 0, 'return_msg' => 'OK']); // 成功状态的返回数据
     }
 }