diff --git a/app/api/service/passport/Login.php b/app/api/service/passport/Login.php
index cc5acf00..11048c19 100644
--- a/app/api/service/passport/Login.php
+++ b/app/api/service/passport/Login.php
@@ -191,7 +191,7 @@ class Login extends BaseService
         // 解密encryptedData -> 拿到手机号
         $plainData = OauthService::wxDecryptData($form['encryptedData'], $form['iv'], $wxSession['session_key']);
         // 整理登录注册数据
-        if (!empty($form['partyData']['oauth'])) {
+        if (empty($form['partyData']['oauth'])) {
             $form['partyData']['oauth'] = 'MP-WEIXIN';
         }
         $loginData = [