聊天去重复设备

application/model/ChatUserExt.php

@@ -87,6 +87,10 @@ class ChatUserExt extends BaseModel
             $where_['a.device_id'] = $params['device_id'];
         }
 
+        if (isset($params['is_forbidden'])) {
+            $where_['a.is_forbidden'] = $params['is_forbidden'];
+        }
+
         $data = $this->db->field($field)
             ->alias("a")
             ->join("chat_user b", "a.ext_id = b.id", "right")