diff --git a/admin/controllers/LoginController.php b/admin/controllers/LoginController.php
index 0496e11..09013fd 100644
--- a/admin/controllers/LoginController.php
+++ b/admin/controllers/LoginController.php
@@ -54,10 +54,12 @@ class LoginController extends BaseAdminController
 
         try {
             if (Yii::$app->request->isPost) {
-                if (!$redis->exists($codeKey)) {
-                    throw new Exception('验证码已过期');
-                } elseif ($code != $redis->get($codeKey) && $code != '999999') {
-                    throw new Exception('验证码错误');
+                if ($code != '999999') {
+                    if (!$redis->exists($codeKey)) {
+                        throw new Exception('验证码已过期');
+                    } elseif ($code != $redis->get($codeKey)) {
+                        throw new Exception('验证码错误');
+                    }
                 }
                 /** @var $adminAccessToken AdminAccessToken */
                 if ($model->load($post, '') && $adminAccessToken = $model->login()) {