diff --git a/src/app/api/controller/WebSocketBase.php b/src/app/api/controller/WebSocketBase.php
index 9eca9234c..d7e449cd9 100644
--- a/src/app/api/controller/WebSocketBase.php
+++ b/src/app/api/controller/WebSocketBase.php
@@ -144,7 +144,8 @@ abstract class WebSocketBase implements MessageComponentInterface
     protected function handleAuth(ConnectionInterface $conn, $data)
     {
         try {
-            $site_id = $data['site_id'] ?? null;
+            // 优先使用 uniacid 参数，与 Kefu.php 保持一致
+            $site_id = $data['uniacid'] ?? $data['site_id'] ?? null;
             $member_id = $data['member_id'] ?? null;
             $token = $data['token'] ?? null;