diff --git a/backend/app/controller/FeishuCardController.php b/backend/app/controller/FeishuCardController.php
index 0df3c91..5f72bac 100644
--- a/backend/app/controller/FeishuCardController.php
+++ b/backend/app/controller/FeishuCardController.php
@@ -419,8 +419,8 @@ class FeishuCardController extends BaseController
     {
         return new \Webman\Http\Response(
             200,
-            ['Content-Type' => 'application/json'],
-            json_encode($data)
+            ['Content-Type' => 'application/json; charset=utf-8'],
+            json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES)
         );
     }
 }