diff --git a/application/api/behavior/BuildResponse.php b/application/api/behavior/BuildResponse.php
index 94b83456ca113e31e6508a86616c35c44deec36b..2e2cc1f9a5f77b791e4ef6c9a23208ae4b5d2b34 100644
--- a/application/api/behavior/BuildResponse.php
+++ b/application/api/behavior/BuildResponse.php
@@ -23,6 +23,8 @@ class BuildResponse {
      * @throws \think\exception\DbException
      */
     public function run($response) {
+        $header = config('apiAdmin.CROSS_DOMAIN');
+        $response->header($header);
         $data = $response->getData();
         $request = Request::instance();
         $hash = $request->routeInfo();