diff --git a/addons/qiniu/config.php b/addons/qiniu/config.php
index 2e57e5f..11c5e39 100644
--- a/addons/qiniu/config.php
+++ b/addons/qiniu/config.php
@@ -127,7 +127,7 @@ return [
         'title' => '最大可上传',
         'type' => 'string',
         'content' => [],
-        'value' => '20M',
+        'value' => '10M',
         'rule' => 'required',
         'msg' => '',
         'tip' => '',