diff --git a/grpc/grpc.go b/grpc/grpc.go
index c542919..c23e18a 100644
--- a/grpc/grpc.go
+++ b/grpc/grpc.go
@@ -25,9 +25,9 @@ var conf *Config
 func Init(config *Config) *grpc.Server {
 	if config == nil {
 		config = &Config{
-			Address: "",
+			Address: "0.0.0.0",
 			Port:    0,
-			AppName: "dev",
+			AppName: "unknown",
 		}
 	}
 	conf = config
@@ -50,24 +50,19 @@ func Start() {
 	//注册反射 用于grpcurl调试
 	reflection.Register(rpc)
 
-	// grpc服务启动
+	// grpc服务启动，本局IP支持
 	go func() {
 		addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", conf.Address, conf.Port))
 		if err != nil {
 			log.Fatal("net.ResolveTCPAddr", err)
 		}
-		if addr.IP.String() != conf.Address {
-			conf.Address = addr.IP.String()
-		}
-		if addr.Port != conf.Port {
-			conf.Port = addr.Port
-		}
-		log.Printf("starting grpc service on %s:%d", addr.IP, addr.Port)
 		lis, err := net.ListenTCP("tcp", addr)
 		if err != nil {
 			log.Fatal("fail to open port: ", err)
 		}
 		defer lis.Close()
+		conf.Port = lis.Addr().(*net.TCPAddr).Port
+		log.Printf("starting grpc service on %s:%d", addr.IP, conf.Port)
 		err = rpc.Serve(lis)
 		if err != nil {
 			log.Fatal("fail to open microservice: ", err)