diff --git a/app/Services/LoginService.php b/app/Services/LoginService.php
index a7ec6ce..f37e4b6 100644
--- a/app/Services/LoginService.php
+++ b/app/Services/LoginService.php
@@ -181,11 +181,6 @@ class LoginService extends BaseService
                     $data['open_id'] = $wx_info_data['openid'];
                 }
 
-                if ($wx_info_data['unionid'] != $result['union_id']) {
-                    // 更新union_id
-                    $data['union_id'] = $wx_info_data['unionid'];
-                }
-
                 $data['updated_at'] = date('Y-m-d H:i:s', time());
 
                 $params = array();