diff --git a/vnt-cli/src/callback.rs b/vnt-cli/src/callback.rs
index 4aeaa1a..111bc7e 100644
--- a/vnt-cli/src/callback.rs
+++ b/vnt-cli/src/callback.rs
@@ -7,6 +7,9 @@ use vnt::{DeviceInfo, ErrorInfo, HandshakeInfo, RegisterInfo, VntCallback};
 pub struct VntHandler {}
 
 impl VntCallback for VntHandler {
+    fn success(&self) {
+        println!(" ====== Connect Successfully ====== ")
+    }
     fn create_tun(&self, info: DeviceInfo) {
         println!("create_tun {}", info)
     }
diff --git a/vnt-jni/src/callback.rs b/vnt-jni/src/callback.rs
index 3c3d580..1812766 100644
--- a/vnt-jni/src/callback.rs
+++ b/vnt-jni/src/callback.rs
@@ -145,6 +145,8 @@ impl CallBack {
 }
 
 impl VntCallback for CallBack {
+    fn success(&self) {
+    }
     fn create_tun(&self, info: DeviceInfo) {
         if let Err(e) = self.create_tun0(info) {
             log::warn!("create_tun {:?}", e);
diff --git a/vnt/src/handle/callback.rs b/vnt/src/handle/callback.rs
index 0cc353d..8a432e7 100644
--- a/vnt/src/handle/callback.rs
+++ b/vnt/src/handle/callback.rs
@@ -182,6 +182,9 @@ impl Into<u8> for ErrorType {
 }
 
 pub trait VntCallback: Clone + Send + Sync + 'static {
+    /// 启动成功
+    fn success(&self) {}
+
     /// 创建网卡的信息
     fn create_tun(&self, _info: DeviceInfo) {}
     /// 连接
diff --git a/vnt/src/handle/recv_data/server.rs b/vnt/src/handle/recv_data/server.rs
index 3a6c7fe..2207db9 100644
--- a/vnt/src/handle/recv_data/server.rs
+++ b/vnt/src/handle/recv_data/server.rs
@@ -307,6 +307,7 @@ impl<Call: VntCallback> ServerPacketHandler<Call> {
                                 guard.push((dest, mask));
                             }
                         }
+                        self.callback.success();
                     }
                     self.set_device_info_list(response.device_info_list, response.epoch as _);
                 }