diff --git a/examples/proto_debuger/tcp_server_libevent.cpp b/examples/proto_debuger/tcp_server_libevent.cpp
index e9ba1c86..9875843c 100644
--- a/examples/proto_debuger/tcp_server_libevent.cpp
+++ b/examples/proto_debuger/tcp_server_libevent.cpp
@@ -33,15 +33,24 @@ ConnectionLibevent::ConnectionLibevent(struct bufferevent* ev, uint32_t fd, stru
 	m_fd(-1),
 	m_addr(nullptr)
 {
+
 	m_event = ev;
 	m_fd = fd;
 	m_addr = p1;
+	std::cout << "\r\n "  << m_addr << " ConnectionLibevent " << inet_ntoa(m_addr->sin_addr) << std::endl;
 }
 
 ConnectionLibevent* defaultConnAccept(struct bufferevent* ev, uint32_t fd, struct sockaddr_in* p1) {
+	std::cout << "defaultConnAccept " << inet_ntoa(p1->sin_addr);
 	return new ConnectionLibevent(ev, fd, p1);
 }
 
+void defaultConnClose(ConnectionLibevent*p) {
+	std::cout << "defaultConnClose close connection " << p->IpAddress() << p->SocketFd()<<std::endl;
+	
+}
+
+
 int ConnectionLibevent::OnRecv(char* p, uint32_t len) {
 	std::cout << "OnRecv " << p << std::endl;
 	m_bytes_recv += len;
@@ -84,10 +93,9 @@ int ConnectionLibevent::SetServer(TcpServerLibevent* p) {
 }
 
 string ConnectionLibevent::IpAddress() {
-	if (nullptr != m_addr) {
-		return string(inet_ntoa(m_addr->sin_addr));
-	}
-	return "";
+
+	std::cout<< m_addr << "  IpAddress: " << inet_ntoa(m_addr->sin_addr)<<"port " << htons(m_addr->sin_port) << std::endl;
+	return string(inet_ntoa(this->m_addr->sin_addr));
 }
 TcpServerLibevent* ConnectionLibevent::Server() {
 	return m_parent_server;
@@ -96,19 +104,19 @@ TcpServerLibevent* ConnectionLibevent::Server() {
 void read_cb(struct bufferevent* bev, void* arg)
 {
 	char buf[1024] = { 0 };
-	ConnectionLibevent* conn = (ConnectionLibevent*)arg;
+	ConnectionLibevent* conn = static_cast<ConnectionLibevent*> (arg);
 	bufferevent_read(bev, buf, sizeof(buf));
-	cout << "client " << conn->IpAddress() << " say:" << buf << endl;
+	cout << "client " << conn->IpAddress().c_str() << " say:" << buf << endl;
 	conn->OnRecv(buf, sizeof(buf));
 }
 
 void write_cb(struct bufferevent* bev, void* arg)
 {
 	ConnectionLibevent* conn = (ConnectionLibevent*)arg;
-	std::cout << "connection " << conn->IpAddress() << " sended data success" << std::endl;
+	std::cout << "connection " << conn->IpAddress() << " sended data " << std::endl;
 }
 
-void event_cb(struct bufferevent* bev, short events, void* arg)
+void event_cb(struct bufferevent* bev, short events, void* arg) 
 {
 	ConnectionLibevent* conn = (ConnectionLibevent*)(arg);
 	TcpServerLibevent* server = conn->Server();
@@ -131,11 +139,14 @@ void event_cb(struct bufferevent* bev, short events, void* arg)
 	//delete conn;
 }
 
-void ServerCallbacks::cb_listener(struct evconnlistener* listener, evutil_socket_t fd, struct sockaddr* addr, int len, void* ptr)
+void ServerCallbacks::cb_listener(struct evconnlistener* listener, evutil_socket_t fd, 
+	struct sockaddr* addr, int len, void* ptr)
 {
-	struct sockaddr_in* client = (sockaddr_in*)addr;
+	struct sockaddr_in* client = new(struct sockaddr_in);
+	memcpy(client, addr, sizeof(struct sockaddr));
+
 	cout << "connect new client: " << inet_ntoa(client->sin_addr)
-		<< " " << fd << " ::" << ntohs(client->sin_port) << endl;
+		<< " port: "  << " ::" << ntohs(client->sin_port) << endl;
 	TcpServerLibevent* server = (TcpServerLibevent*)ptr;
 	if (server != nullptr) {
 		std::cout << "null 2" << std::endl;
@@ -232,6 +243,7 @@ int TcpServerLibevent::AddConnection(uint32_t fd, ConnectionLibevent* p) {
 int TcpServerLibevent::RemoveConnection(uint32_t fd) {
 	if (m_map_client.find(fd) != m_map_client.end()) {
 		auto pClient = m_map_client[fd];
+		this->m_handle_disconnect(pClient);
 		m_map_client.erase(fd);
 		delete pClient;
 		return 0;
@@ -264,6 +276,7 @@ TcpServerLibevent::TcpServerLibevent(int port, string bindip) :
 	m_event_listener(nullptr)
 {
 	m_handle_accept = defaultConnAccept;
+	m_handle_disconnect = defaultConnClose;
 	m_backlog = 10000;
 	this->m_bind_ip = bindip;
 	this->m_port = port;
@@ -294,6 +307,7 @@ TcpServerLibevent::TcpServerLibevent(int port, string bindip) :
 	m_status = STOP;
 	std::cout << "3" << std::endl;
 }
+
 /**
  * @description:  start server synchronous
  * @param {*}