diff --git a/src/modules/html/studio-app-list/index.ts b/src/modules/html/studio-app-list/index.ts
index 364ea31..3a7cd0d 100644
--- a/src/modules/html/studio-app-list/index.ts
+++ b/src/modules/html/studio-app-list/index.ts
@@ -3,11 +3,11 @@ export const createStudioAppListHtml = (opts: StudioOpts) => {
   const user = opts.user!;
   const userAppKey = opts?.userAppKey;
   let showUserAppKey = userAppKey;
-  if (showUserAppKey && showUserAppKey.startsWith(user + '-')) {
-    showUserAppKey = showUserAppKey.replace(user + '-', '');
+  if (showUserAppKey && showUserAppKey.startsWith(user + '--')) {
+    showUserAppKey = showUserAppKey.replace(user + '--', '');
   }
   const pathApps = opts?.appIds?.map(appId => {
-    const shortAppId = appId.replace(opts!.user + '-', '')
+    const shortAppId = appId.replace(opts!.user + '--', '')
     return {
       appId,
       shortAppId,
diff --git a/src/modules/ws-proxy/index.ts b/src/modules/ws-proxy/index.ts
index 4b886e8..f545aee 100644
--- a/src/modules/ws-proxy/index.ts
+++ b/src/modules/ws-proxy/index.ts
@@ -20,7 +20,7 @@ export const wssFun: WebSocketListenerFun = async (req, res) => {
       return;
     }
     const user = loginUser?.tokenUser?.username;
-    const userApp = user + '-' + id;
+    const userApp = user + '--' + id;
     logger.debug('注册 ws 连接', userApp);
     const wsMessage = wsProxyManager.get(userApp);
     if (wsMessage) {
diff --git a/src/modules/ws-proxy/manager.ts b/src/modules/ws-proxy/manager.ts
index 1c706f8..3997bc9 100644
--- a/src/modules/ws-proxy/manager.ts
+++ b/src/modules/ws-proxy/manager.ts
@@ -2,6 +2,7 @@ import { nanoid } from 'nanoid';
 import { WebSocket } from 'ws';
 import { logger } from '../logger.ts';
 import { EventEmitter } from 'eventemitter3';
+import { set } from 'zod';
 
 class WsMessage {
   ws: WebSocket;
@@ -82,7 +83,13 @@ type WssMessageOptions = {
 };
 export class WsProxyManager {
   wssMap: Map<string, WsMessage> = new Map();
-  constructor() { }
+  PING_INTERVAL = 30000; // 30 秒检查一次连接状态
+  constructor(opts?: { pingInterval?: number }) {
+    if (opts?.pingInterval) {
+      this.PING_INTERVAL = opts.pingInterval;
+    }
+    this.checkConnceted();
+  }
   register(id: string, opts?: { ws: WebSocket; user: string }) {
     if (this.wssMap.has(id)) {
       const value = this.wssMap.get(id);
@@ -91,7 +98,7 @@ export class WsProxyManager {
         value.destroy();
       }
     }
-    const [username, appId] = id.split('-');
+    const [username, appId] = id.split('--');
     const url = new URL(`/${username}/v1/${appId}`, 'https://kevisual.cn/');
     console.log('WsProxyManager register', id, '访问地址', url.toString());
     const value = new WsMessage({ ws: opts?.ws, user: opts?.user });
@@ -114,4 +121,16 @@ export class WsProxyManager {
   get(id: string) {
     return this.wssMap.get(id);
   }
+  checkConnceted() {
+    const that = this;
+    setTimeout(() => {
+      that.wssMap.forEach((value, key) => {
+        if (value.ws.readyState !== WebSocket.OPEN) {
+          logger.debug('ws not connected, unregister', key);
+          that.unregister(key);
+        }
+      });
+      that.checkConnceted();
+    }, this.PING_INTERVAL);
+  }
 }
diff --git a/src/modules/ws-proxy/proxy.ts b/src/modules/ws-proxy/proxy.ts
index 82f428f..823f3e6 100644
--- a/src/modules/ws-proxy/proxy.ts
+++ b/src/modules/ws-proxy/proxy.ts
@@ -32,7 +32,7 @@ export const UserV1Proxy = async (req: IncomingMessage, res: ServerResponse, opt
   if (!userAppKey) {
     if (isAdmin) {
       // 获取所有的管理员的应用列表
-      const ids = wsProxyManager.getIds(user + '-');
+      const ids = wsProxyManager.getIds(user + '--');
       const html = createStudioAppListHtml({ user, appIds: ids, userAppKey });
       res.writeHead(200, { 'Content-Type': 'text/html' });
       res.end(html);
@@ -42,8 +42,8 @@ export const UserV1Proxy = async (req: IncomingMessage, res: ServerResponse, opt
       return false;
     }
   }
-  if (!userAppKey.includes('-')) {
-    userAppKey = user + '-' + userAppKey;
+  if (!userAppKey.includes('--')) {
+    userAppKey = user + '--' + userAppKey;
   }
 
   // TODO: 如果不是管理员，是否需要添加其他人可以访问的逻辑？
@@ -51,12 +51,12 @@ export const UserV1Proxy = async (req: IncomingMessage, res: ServerResponse, opt
     opts?.createNotFoundPage?.('没有访问应用权限');
     return false;
   }
-  if (!userAppKey.startsWith(user + '-')) {
-    userAppKey = user + '-' + userAppKey;
+  if (!userAppKey.startsWith(user + '--')) {
+    userAppKey = user + '--' + userAppKey;
   }
   logger.debug('data', data);
   const client = wsProxyManager.get(userAppKey);
-  const ids = wsProxyManager.getIds(user + '-');
+  const ids = wsProxyManager.getIds(user + '--');
   if (!client) {
     if (isAdmin) {
       const html = createStudioAppListHtml({ user, appIds: ids, userAppKey });