diff --git a/application/admin/controller/general/Student.php b/application/admin/controller/general/Student.php
index b799399..df965bb 100644
--- a/application/admin/controller/general/Student.php
+++ b/application/admin/controller/general/Student.php
@@ -198,6 +198,8 @@ function getPicUrl($url)
             } else {
                 unset($params['password'], $params['salt']);
             }
+
+            $params['avatar'] = $this->getPicUrl($params['avatar']);
             //这里需要针对mobile做唯一验证
             $adminValidate = \think\Loader::validate('Student');
             $adminValidate->rule([