diff --git a/server/app/api/controller/v1/GameController.php b/server/app/api/controller/v1/GameController.php
index c4f9a27..5bf5172 100644
--- a/server/app/api/controller/v1/GameController.php
+++ b/server/app/api/controller/v1/GameController.php
@@ -50,16 +50,19 @@ class GameController extends BaseController
             }
         }
 
+        $lang = trim((string) ($request->post('lang', 'zh')));
+        $lang = in_array($lang, ['en', 'zh'], true) ? $lang : 'zh';
+
         try {
             $logic = new UserLogic();
-            $result = $logic->loginByUsername($username, $password, 'chs', 0.0, $time, $adminId);
+            $result = $logic->loginByUsername($username, $password, $lang === 'en' ? 'en' : 'chs', 0.0, $time, $adminId);
         } catch (\plugin\saiadmin\exception\ApiException $e) {
             return $this->fail($e->getMessage(), ReturnCode::PARAMS_ERROR);
         }
 
         $gameUrlBase = rtrim(config('api.game_url', 'dice-game.yuliao666.top'), '/');
         $tokenInUrl = str_replace('%3D', '=', urlencode($result['token']));
-        $url = $gameUrlBase . '/?token=' . $tokenInUrl;
+        $url = $gameUrlBase . '/?token=' . $tokenInUrl . '&lang=' . $lang;
 
         return $this->success([
             'url' => $url,