diff --git a/application/admin/controller/Login.php b/application/admin/controller/Login.php
index 976dcd8e1..7c956cef2 100644
--- a/application/admin/controller/Login.php
+++ b/application/admin/controller/Login.php
@@ -54,6 +54,11 @@ class Login extends BasicAdmin
     /**
      * 用户登录
      * @return string
+     * @throws \think\Exception
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\exception\DbException
+     * @throws \think\exception\PDOException
      */
     public function index()
     {
@@ -71,7 +76,7 @@ class Login extends BasicAdmin
             ($user['password'] !== md5($password)) && $this->error('登录密码与账号不匹配，请重新输入!');
             empty($user['status']) && $this->error('账号已经被禁用，请联系管理!');
             // 更新登录信息
-            $data = ['login_at' => ['exp', 'now()'], 'login_num' => ['exp', 'login_num+1']];
+            $data = ['login_at' => date('Y-m-d H:i:s'), 'login_num' => $user['login_num'] + 1];
             Db::name('SystemUser')->where('id', $user['id'])->update($data);
             session('user', $user);
             !empty($user['authorize']) && NodeService::applyAuthNode();