diff --git a/app/admin/controller/v1/Images.php b/app/admin/controller/v1/Images.php
index c1f44405..44bc4daf 100644
--- a/app/admin/controller/v1/Images.php
+++ b/app/admin/controller/v1/Images.php
@@ -12,7 +12,7 @@ class Images
     // 上传
     public function upload()
     {
-        $param = request()->param(['module']);
+        $param = request()->param(['module' => 'unknown']);
         if (is_null($param)) {
             return error('请确定请求参数正确');
         }