diff --git a/app/admin/controller/Index.php b/app/admin/controller/Index.php
index be7ff38d..64fc8a9a 100644
--- a/app/admin/controller/Index.php
+++ b/app/admin/controller/Index.php
@@ -39,7 +39,7 @@ class Index extends Backend
                 'version'  => get_sys_config('version'),
                 'cdnUrl'   => full_url(),
                 'apiUrl'   => Config::get('buildadmin.api_url'),
-                'upload'   => keys_to_camel_case(get_upload_config()),
+                'upload'   => keys_to_camel_case(get_upload_config(), ['max_size', 'save_name', 'allowed_suffixes', 'allowed_mime_types']),
             ],
             'terminal'   => [
                 'installServicePort' => Config::get('terminal.install_service_port'),
diff --git a/app/api/controller/Index.php b/app/api/controller/Index.php
index 988ba765..62fb047c 100644
--- a/app/api/controller/Index.php
+++ b/app/api/controller/Index.php
@@ -72,7 +72,7 @@ class Index extends Frontend
                 'recordNumber' => get_sys_config('record_number'),
                 'version'      => get_sys_config('version'),
                 'cdnUrl'       => full_url(),
-                'upload'       => keys_to_camel_case(get_upload_config()),
+                'upload'       => keys_to_camel_case(get_upload_config(), ['max_size', 'save_name', 'allowed_suffixes', 'allowed_mime_types']),
             ],
             'openMemberCenter' => Config::get('buildadmin.open_member_center'),
             'userInfo'         => $this->auth->getUserInfo(),
diff --git a/app/common.php b/app/common.php
index 78ae6649..3e331531 100644
--- a/app/common.php
+++ b/app/common.php
@@ -433,16 +433,18 @@ if (!function_exists('get_auth_token')) {
 if (!function_exists('keys_to_camel_case')) {
 
     /**
-     * 将数组所有 key 的命名方式转换为小写驼峰
-     * @param array $array
+     * 将数组 key 的命名方式转换为小写驼峰
+     * @param array $array 被转换的数组
+     * @param array $keys  要转换的 key，默认所有
      * @return array
      */
-    function keys_to_camel_case(array $array): array
+    function keys_to_camel_case(array $array, array $keys = []): array
     {
         $result = [];
         foreach ($array as $key => $value) {
             // 将键名转换为驼峰命名
-            $camelCaseKey = parse_name($key, 1, false);
+            $camelCaseKey = $keys && in_array($key, $keys) ? parse_name($key, 1, false) : $key;
+
             if (is_array($value)) {
                 // 如果值是数组，递归转换
                 $result[$camelCaseKey] = keys_to_camel_case($value);