撤回接口优化

app/enterprise/controller/Im.php

@@ -462,7 +462,7 @@ class Im extends BaseController
             $fromUserName = lang('im.other');
             $toContactId = $message['to_user'];
             if ($message['is_group'] == 1) {
-                $fromUserName = $this->userInfo['realname'];
+                $fromUserName = User::where('user_id',$message['from_user'])->value('realname');
                 $toContactId = explode('-', $message['chat_identify'])[1];
                 // 如果是群聊消息撤回，需要判断是否是群主或者管理员，如果是则可以撤回
                 if($message['from_user']!=$this->userInfo['user_id']){
@@ -491,11 +491,11 @@ class Im extends BaseController
             $data['is_last'] = $info['is_last'];
             $data['toContactId'] = $message['is_group'] == 1 ? $info['chat_identify'] : $toContactId;
             $data['isMobile'] = $this->request->isMobile() ? 1 : 0;
-            wsSendMsg($toContactId, 'undoMessage', $data, $info['is_group']); 
+            wsSendMsg($toContactId, 'undoMessage', $data, $info['is_group']);
             if($info['is_group']==0){
                // 给自己也发一份推送，多端同步
                 $data['content'] =lang('im.you'). $text;
-                wsSendMsg($this->userInfo['user_id'], 'undoMessage', $data, $info['is_group']); 
+                wsSendMsg($this->userInfo['user_id'], 'undoMessage', $data, $info['is_group']);
             }
             return success('');
         } else {