更新

app/Home/Controllers/UserController.php

@@ -177,7 +177,7 @@ class UserController extends Controller
                 "msg" => "玩家加入房间",
                 "info" => $info
             ];
-            Gateway::sendToGroup($room_id, json_encode($message));
+            Gateway::sendToClient($client_id, json_encode($message));
         }elseif($room_id && $is_end){
             unset($update_data);
             $update_data['state'] = 2;