diff --git a/cmd/voiceflow/web/index.html b/cmd/voiceflow/web/index.html
index 5d1dcd7..5946078 100644
--- a/cmd/voiceflow/web/index.html
+++ b/cmd/voiceflow/web/index.html
@@ -7,7 +7,8 @@
     <link rel="stylesheet" href="styles.css">
     <!-- 配置 WebSocket URL -->
     <script>
-        const WEBSOCKET_URL = 'ws://localhost:18080/ws'; // 可以通过环境变量或配置文件注入
+        const PORT = process.env.VOICEFLOW_SERVER_PORT || 80;
+        const WEBSOCKET_URL = `ws://localhost:${PORT}/ws`;
     </script>
 </head>
 <body>
