diff --git a/app/api/controller/User.php b/app/api/controller/User.php
index 3e7ab86..d89de13 100644
--- a/app/api/controller/User.php
+++ b/app/api/controller/User.php
@@ -49,7 +49,7 @@ class User extends BaseController
     {
         $param = get_params();
         if (empty($param['username']) || empty($param['password'])) {
-            $this->apiError('参数错误');
+            $this->apiError('用户名密码不能为空');
         }
         // 校验用户名密码
         $user = Db::name('Admin')->where(['username' => $param['username']])->find();