diff --git a/app/api/service/passport/Login.php b/app/api/service/passport/Login.php
index 48a05ca0..d34cc1fe 100644
--- a/app/api/service/passport/Login.php
+++ b/app/api/service/passport/Login.php
@@ -59,7 +59,7 @@ class Login extends BaseService
         //绑定openid
         if (!empty($data['ucode'])) {
             $data['partyData']['code'] = $data['ucode'];
-            $data['partyData']['oauth'] = 'MP-WEIXIN';
+            $data['partyData']['oauth'] = ClientEnum::MP_WEIXIN;
             $data['isParty'] = true;
         }
         // 自动登录注册