diff --git a/include/ssocket.h b/include/ssocket.h
index 8bd1654..8b69ce0 100644
--- a/include/ssocket.h
+++ b/include/ssocket.h
@@ -76,21 +76,27 @@ enum {
 	ERR_SOCK_EAI_SOCKTYPE,
 };
 
-static inline int make_sock(SOCKET* sock);
-static inline int sock_connect(SOCKET sock, const char* connect_ip, unsigned short port);
-static inline int sock_bindlisten(SOCKET sock, const char* server_ip, unsigned short port);
-static inline int sock_accpet(SOCKET sock,SOCKET* client, char** accept_ip, unsigned short* port);
+
 static inline int make_server_sock(SOCKET* sock, const char* server_ip, unsigned short port);
 static inline int make_client_sock(SOCKET* sock, const char* connect_ip, unsigned short port);
 static inline void close_sock(SOCKET sock);
 static inline void out_sock_err(FILE* output, int errcode);
 static inline void get_sock_err(char* buff_128, size_t buff_len, int errcode);
-
 static inline int make_server_sock_ex(SOCKET* sock, const char* server_ip, unsigned short port,
 	struct addrinfo** resaddr);
 static inline int make_client_sock_ex(SOCKET* sock, const char* connect_ip, unsigned short port,
 	struct addrinfo** resaddr);
 
+static inline int make_sock(SOCKET* sock);
+static inline int sock_connect(SOCKET sock, const char* connect_ip, unsigned short port);
+static inline int sock_bind(SOCKET sock, const char* server_ip, unsigned short port);
+static inline int sock_bindlisten(SOCKET sock, const char* server_ip, unsigned short port);
+static inline int sock_accpet(SOCKET sock, SOCKET* client, char** accept_ip, unsigned short* port);
+static inline int make_sock_tcp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_STREAM); }
+static inline int make_sock_tcp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_STREAM); }
+static inline int make_sock_udp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_DGRAM); }
+static inline int make_sock_udp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_DGRAM); }
+
 static inline int _getaddrinfo(struct addrinfo* inf, struct addrinfo** resaddr,
 	const char* ip, const char* port);
 static inline int _socket(SOCKET* sock, struct addrinfo* resaddr);
@@ -98,12 +104,8 @@ static inline int _connect(SOCKET sock, struct addrinfo* resaddr);
 static inline int _bind(SOCKET sock, struct addrinfo* resaddr);
 static inline int _bindlisten(SOCKET sock, struct addrinfo* resaddr);
 static inline int _accept(SOCKET sock, SOCKET* client, struct addrinfo* inf);
-
 static inline int _sock(SOCKET* sock, int af, int type);
-static inline int make_sock_tcp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_STREAM); }
-static inline int make_sock_tcp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_STREAM); }
-static inline int make_sock_udp4(SOCKET* sock) { return _sock(sock, AF_INET, SOCK_DGRAM); }
-static inline int make_sock_udp6(SOCKET* sock) { return _sock(sock, AF_INET6, SOCK_DGRAM); }
+
 //not recommand and it will be remove
 static inline int make_sock(SOCKET* sock) { return make_sock_tcp4(sock); };
 
@@ -220,6 +222,21 @@ RES:
 	return res;
 }
 
+static inline int sock_bind(SOCKET sock, const char* server_ip, unsigned short port) {
+	int res = ERR_SOCK_SUCCESS;
+	char buf[8] = { 0 };
+	sprintf(buf, "%u", port);
+	struct addrinfo inf = { 0 };
+	struct addrinfo* resaddr = NULL;
+	res = _getaddrinfo(&inf, &resaddr, server_ip, buf);
+	if (res != ERR_SOCK_SUCCESS) goto RES;
+	res = _bind(sock, resaddr);
+	if (res != ERR_SOCK_SUCCESS) goto RES;
+RES:
+	if (resaddr) freeaddrinfo(resaddr);
+	return res;
+}
+
 static inline int sock_bindlisten(SOCKET sock, const char* server_ip, unsigned short port) {
 	int res = ERR_SOCK_SUCCESS;
 	char buf[8] = { 0 };
@@ -307,6 +324,7 @@ static inline int make_server_sock_ex(SOCKET* sock, const char* server_ip, unsig
 
 	res = _bindlisten(*sock, *resaddr);
 	if (res != ERR_SOCK_SUCCESS) return res;
+	return res;
 }
 
 static inline int make_client_sock_ex(SOCKET* sock, const char* connect_ip, unsigned short port,
@@ -336,7 +354,9 @@ static inline int make_client_sock_ex(SOCKET* sock, const char* connect_ip, unsi
 		res = _connect(*sock, *resaddr);
 		if (res != ERR_SOCK_SUCCESS) return res;
 	}
+	return res;
 }
+
 static inline void close_sock(SOCKET sock) {
 	if(sock == -1) return;
 #if WIN_PART