diff --git a/app/common/model/SysUser.php b/app/common/model/SysUser.php
index 6846c57..3c8d024 100644
--- a/app/common/model/SysUser.php
+++ b/app/common/model/SysUser.php
@@ -4,9 +4,7 @@ namespace app\common\model;
 
 
 use app\common\library\DatabaseRoute;
-use app\czg\model\SysCaptcha;
-use ba\Random;
-use think\facade\Cache;
+use extend\ba\Random;
 use think\facade\Db;
 
 class SysUser extends BaseModel