diff --git a/vnt-jni/java/top/wherewego/vnt/jni/Vnt.java b/vnt-jni/java/top/wherewego/vnt/jni/Vnt.java
index a2bd45a..e931a56 100644
--- a/vnt-jni/java/top/wherewego/vnt/jni/Vnt.java
+++ b/vnt-jni/java/top/wherewego/vnt/jni/Vnt.java
@@ -11,7 +11,7 @@ import java.io.IOException;
 public class Vnt implements Closeable {
     private final long raw;
 
-    public Vnt(Config config, CallBack callBack) throws Exception{
+    public Vnt(Config config, CallBack callBack) throws Exception {
         this.raw = new0(config, callBack);
         if (this.raw == 0) {
             throw new RuntimeException();
@@ -26,6 +26,10 @@ public class Vnt implements Closeable {
         wait0(raw);
     }
 
+    public boolean awaitTimeout(long ms) {
+        return waitTimeout0(raw, ms);
+    }
+
     public PeerRouteInfo[] list() {
         return list0(raw);
     }
@@ -36,6 +40,8 @@ public class Vnt implements Closeable {
 
     private native void wait0(long raw);
 
+    private native boolean waitTimeout0(long raw, long ms);
+
     private native void drop0(long raw);
 
     private native PeerRouteInfo[] list0(long raw);
diff --git a/vnt-jni/src/vnt.rs b/vnt-jni/src/vnt.rs
index d1a0196..03fe4c5 100644
--- a/vnt-jni/src/vnt.rs
+++ b/vnt-jni/src/vnt.rs
@@ -1,8 +1,9 @@
 use std::ptr;
+use std::time::Duration;
 
 use jni::errors::Error;
 use jni::objects::{JClass, JObject, JValue};
-use jni::sys::{jint, jlong, jobject, jobjectArray, jsize};
+use jni::sys::{jboolean, jint, jlong, jobject, jobjectArray, jsize};
 use jni::JNIEnv;
 
 use vnt::channel::Route;
@@ -74,6 +75,16 @@ pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_wait0(
     let vnt = raw_vnt as *mut Vnt;
     let _ = (&*vnt).wait();
 }
+#[no_mangle]
+pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_waitTimeout0(
+    _env: JNIEnv,
+    _class: JClass,
+    raw_vnt: jlong,
+    time: jlong,
+) -> jboolean {
+    let vnt = raw_vnt as *mut Vnt;
+    (&*vnt).wait_timeout(Duration::from_millis(time as _)) as _
+}
 
 #[no_mangle]
 pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_drop0(
diff --git a/vnt/src/core/conn.rs b/vnt/src/core/conn.rs
index e51600a..6feb6b3 100644
--- a/vnt/src/core/conn.rs
+++ b/vnt/src/core/conn.rs
@@ -412,4 +412,7 @@ impl Vnt {
     pub fn wait(&self) {
         self.stop_manager.wait()
     }
+    pub fn wait_timeout(&self, dur: Duration) -> bool {
+        self.stop_manager.wait_timeout(dur)
+    }
 }
diff --git a/vnt/src/handle/tun_tap/tun_handler.rs b/vnt/src/handle/tun_tap/tun_handler.rs
index c918b01..bfa18b9 100644
--- a/vnt/src/handle/tun_tap/tun_handler.rs
+++ b/vnt/src/handle/tun_tap/tun_handler.rs
@@ -86,15 +86,16 @@ pub fn start(
     mut up_counter: SingleU64Adder,
     device_list: Arc<Mutex<(u16, Vec<PeerDeviceInfo>)>>,
 ) -> io::Result<()> {
+    #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
     let worker = {
-        #[cfg(any(target_os = "macos", target_os = "android"))]
+        #[cfg(target_os = "macos")]
         let current_device = current_device.clone();
         let device = device.clone();
         stop_manager.add_listener("tun_device".into(), move || {
             if let Err(e) = device.shutdown() {
                 log::warn!("{:?}", e);
             }
-            #[cfg(any(target_os = "macos", target_os = "android"))]
+            #[cfg(target_os = "macos")]
             {
                 let ip = current_device.load().virtual_ip;
                 if let Ok(udp) = std::net::UdpSocket::bind("0.0.0.0:0") {
@@ -150,6 +151,7 @@ pub fn start(
                 if let Err(e) = start_multi(stop_manager, device, sender, &mut up_counter) {
                     log::warn!("stop:{}", e);
                 }
+                #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
                 worker.stop_all();
             })?;
     } else {
@@ -171,6 +173,7 @@ pub fn start(
                 ) {
                     log::warn!("stop:{}", e);
                 }
+                #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
                 worker.stop_all();
             })?;
     }
diff --git a/vnt/src/util/notify.rs b/vnt/src/util/notify.rs
index bc9d242..5e8ec68 100644
--- a/vnt/src/util/notify.rs
+++ b/vnt/src/util/notify.rs
@@ -1,6 +1,7 @@
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::Arc;
 use std::thread::Thread;
+use std::time::Duration;
 use std::{io, thread};
 
 use parking_lot::Mutex;
@@ -31,6 +32,9 @@ impl StopManager {
     pub fn wait(&self) {
         self.inner.wait();
     }
+    pub fn wait_timeout(&self, dur: Duration) -> bool {
+        self.inner.wait_timeout(dur)
+    }
     pub fn is_stop(&self) -> bool {
         self.inner.state.load(Ordering::Acquire)
     }
@@ -103,6 +107,18 @@ impl StopManagerInner {
             thread::park()
         }
     }
+    fn wait_timeout(&self, dur: Duration) -> bool {
+        {
+            let mut guard = self.park_threads.lock();
+            guard.push(thread::current());
+            drop(guard);
+        }
+        if self.worker_num.load(Ordering::Acquire) == 0 {
+            return true;
+        }
+        thread::park_timeout(dur);
+        self.worker_num.load(Ordering::Acquire) == 0
+    }
     fn stop_call(&self) {
         if let Some(call) = self.stop_call.lock().take() {
             call();