diff --git a/app.py b/app.py
index 2cbc414..8e96f44 100755
--- a/app.py
+++ b/app.py
@@ -32,20 +32,21 @@ async def mail_qq_spider(account: str,display: int) -> str:
         return json.dumps(data, ensure_ascii=False)
     
 @mcp.tool()
-async def start_xvnc_server(display: int) -> str:
+async def start_xvnc_server(display: int, password="123456") -> str:
     """启动XVNC服务
     
     Args:
         display: VNC 显示编号
+        password: VNC 密码
     """
     data={"display": display}
     try:
         # 调用外部 start_browser.sh 脚本，传入 index 作为参数
         process = await asyncio.create_subprocess_exec(
             f"{SHELL_DIR}/start_browser.sh",
-            str("123456"), # VNC 密码
+            str(password), # VNC 密码
             str(5900), # VNC 端口
-            str(99), # 显示编号
+            str(display), # 显示编号
             stdout=asyncio.subprocess.PIPE,
             stderr=asyncio.subprocess.PIPE
         )
diff --git a/bin/start_browser.sh b/bin/start_browser.sh
index d76e2df..d9dc022 100755
--- a/bin/start_browser.sh
+++ b/bin/start_browser.sh
@@ -1,33 +1,36 @@
 #!/bin/bash
 set -euo pipefail
 
-TARGET_URL="https://www.baidu.com"   # 直接打开百度
-VNC_PWD=$1
-VNC_PORT=$2
-DISPLAY_NUM=$3
-CDP_PORT=30010
-PROFILE_DIR="/tmp/chrome-profile-$$"
-LOCK_FILE="/tmp/cdp.lock"
-
+TARGET_URL="https://www.baidu.com"
+VNC_PWD=${1:-"123456"}
+VNC_PORT=${2:-5900}
+DISPLAY_NUM=${3:-99}
+PROFILE_DIR="/tmp/chrome-profile-${DISPLAY_NUM}"
+PID_FILE="/tmp/chrome-browser-${DISPLAY_NUM}.pid"
+LOG_FILE="/tmp/chrome-browser-${DISPLAY_NUM}.log"
 
 GREEN='\033[0;32m'; RED='\033[0;31m'; NC='\033[0m'
 log() { echo -e "${GREEN}[$(date '+%H:%M:%S')]${NC} $*"; }
 err() { echo -e "${RED}[$(date '+%H:%M:%S')]${NC} $*" >&2; }
 
-exec 9>"$LOCK_FILE"
-flock -n 9 || { err "Another instance running"; exit 1; }
+# 检查是否已在运行
+if [ -f "$PID_FILE" ] && kill -0 $(cat "$PID_FILE") 2>/dev/null; then
+    err "Instance :${DISPLAY_NUM} already running"
+    exit 1
+fi
 
 cleanup() {
-    log "Cleaning up..."
+    log "Cleaning up instance :${DISPLAY_NUM}..."
     pkill -P $$ 2>/dev/null || true
-    pkill -f "remote-debugging-port=${CDP_PORT}" 2>/dev/null || true
     pkill -f "Xvfb :${DISPLAY_NUM}" 2>/dev/null || true
     pkill -f "x11vnc.*${DISPLAY_NUM}" 2>/dev/null || true
     rm -rf "$PROFILE_DIR" 2>/dev/null || true
-    rm -f /tmp/login_done 2>/dev/null || true
+    rm -f "$PID_FILE" 2>/dev/null || true
 }
 trap cleanup EXIT INT TERM
 
+echo $$ > "$PID_FILE"
+
 log "Starting Xvfb :${DISPLAY_NUM}"
 Xvfb :${DISPLAY_NUM} -screen 0 1280x1024x24 -nolisten tcp &
 sleep 2
@@ -41,41 +44,25 @@ if [ -z "$CHROME_BIN" ]; then
 fi
 [ -z "$CHROME_BIN" ] && { err "Chromium not found"; exit 1; }
 
-# 去掉 --headless=new，这样才能看到界面
 "$CHROME_BIN" \
     --no-sandbox \
     --disable-gpu \
     --disable-dev-shm-usage \
-    --remote-debugging-port=${CDP_PORT} \
-    --remote-debugging-address=127.0.0.1 \
-    --remote-allow-origins=* \
     --user-data-dir=${PROFILE_DIR} \
     --window-size=1280,1024 \
     "${TARGET_URL}" &
 
 CHROME_PID=$!
 
-# 启动 x11vnc（将 Xvfb 转为 VNC 服务）
 log "Starting x11vnc on port ${VNC_PORT}..."
 x11vnc -display :${DISPLAY_NUM} -forever -shared -passwd ${VNC_PWD} -rfbport ${VNC_PORT} -bg &
 
-log "Waiting for CDP..."
-for i in {1..30}; do
-    curl -sf "http://127.0.0.1:${CDP_PORT}/json/version" >/dev/null 2>&1 && { log "CDP ready"; break; }
-    sleep 1
-    [ $i -eq 30 ] && { err "CDP timeout"; exit 1; }
-done
-
 PUBLIC_HOST=$(curl -sf ifconfig.me 2>/dev/null || hostname -I | awk '{print $1}')
 log "=========================================="
-log "✅ Browser is running!"
-log "📝 CDP: http://${PUBLIC_HOST}:${CDP_PORT}"
-log "🖥️  VNC: ${PUBLIC_HOST}:${VNC_PORT} (密码: ${VNC_PWD})"
+log "✅ Browser started (VNC only, no CDP)"
+log "🖥️  VNC: ${PUBLIC_HOST}:${VNC_PORT}"
+log "🔑 Password: ${VNC_PWD}"
+log "📋 Log: tail -f ${LOG_FILE}"
 log "=========================================="
 
-rm -f /tmp/login_done
-log "Waiting for /tmp/login_done ..."
-while [ ! -f /tmp/login_done ]; do sleep 1; done
-log "Login detected, automation can start"
-
-wait $CHROME_PID 2>/dev/null || true
+wait $CHROME_PID 2>/dev/null || true
\ No newline at end of file