diff --git a/client/main.go b/client/main.go
index d08ad2a..acc3845 100644
--- a/client/main.go
+++ b/client/main.go
@@ -12,32 +12,39 @@ import (
 )
 
 func main() {
-	node, err := consul.FindNode("demo")
-	if err != nil {
-		log.WithFields(log.Fields{
-			"func": "main",
-		}).Errorf("%v", err)
-		return
-	}
-	if node == nil {
-		return
-	}
+	for {
+		time.Sleep(10 * time.Millisecond)
 
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	// conn, err := grpc.Dial("127.0.0.1:9001", grpc.WithBlock(), grpc.WithInsecure())
-	conn, err := grpc.DialContext(ctx, fmt.Sprintf("%s:%d", node.Address, node.Port), grpc.WithBlock(), grpc.WithInsecure(), grpc.WithBalancerName("round_robin"))
-	if err != nil {
-		cancel()
-	}
-	defer conn.Close()
-	c := pb.NewHelloClient(conn)
-	resp, err := c.Say(ctx, &pb.SayRequest{Name: "jiale", Day: "2008-08-08"})
-	if err != nil {
+		node, err := consul.FindNode("demo")
+		if err != nil {
+			log.WithFields(log.Fields{
+				"func": "main",
+			}).Errorf("%v", err)
+			fmt.Printf("%v\n", err)
+			continue
+		}
+		if node == nil {
+			fmt.Println("node is empty")
+			continue
+		}
+
+		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		// conn, err := grpc.Dial("127.0.0.1:9001", grpc.WithBlock(), grpc.WithInsecure())
+		conn, err := grpc.DialContext(ctx, fmt.Sprintf("%s:%d", node.Address, node.Port), grpc.WithBlock(), grpc.WithInsecure(), grpc.WithBalancerName("round_robin"))
+		if err != nil {
+			cancel()
+		}
+		defer conn.Close()
+		c := pb.NewHelloClient(conn)
+		resp, err := c.Say(ctx, &pb.SayRequest{Name: "jiale", Day: "2008-08-08"})
+		if err != nil {
+			log.WithFields(log.Fields{
+				"func": "main",
+			}).Errorf("%v", err)
+		}
 		log.WithFields(log.Fields{
 			"func": "main",
-		}).Errorf("%v", err)
+		}).Infof("%s", resp.Reply)
+
 	}
-	log.WithFields(log.Fields{
-		"func": "main",
-	}).Infof("%s", resp.Reply)
 }
diff --git a/consul/consul-service.go b/consul/consul-service.go
index b7138ce..d1f4b91 100644
--- a/consul/consul-service.go
+++ b/consul/consul-service.go
@@ -13,19 +13,33 @@ const (
 	consulAddr string = "127.0.0.1:8500"
 )
 
-//Register 注册服务到consul
-func Register(name string, addr string, port int, tags ...string) {
+var _client *consulapi.Client
+
+func getClient() *consulapi.Client {
+	if _client != nil {
+		return _client
+	}
+
 	// 创建连接consul服务配置
 	config := consulapi.DefaultConfig()
 	config.Address = consulAddr
 	client, err := consulapi.NewClient(config)
 	if err != nil {
 		log.WithFields(log.Fields{
-			"func": "Register",
+			"func": "getClient",
 		}).Errorf("NewClient: %v", err)
+		return nil
+	}
+	_client = client
+	return client
+}
+
+//Register 注册服务到consul
+func Register(name string, addr string, port int, tags ...string) {
+	client := getClient()
+	if client == nil {
 		return
 	}
-
 	// 创建注册到consul的服务到
 	registration := new(consulapi.AgentServiceRegistration)
 	registration.ID = fmt.Sprintf("%s-%s:%d", name, addr, port)
@@ -52,29 +66,18 @@ func Register(name string, addr string, port int, tags ...string) {
 
 //DeRegister 取消consul注册的服务
 func DeRegister(name string, addr string, port int) {
-	// 创建连接consul服务配置
-	config := consulapi.DefaultConfig()
-	config.Address = consulAddr
-	client, err := consulapi.NewClient(config)
-	if err != nil {
-		log.WithFields(log.Fields{
-			"func": "DeRegister",
-		}).Errorf("%v", err)
+	client := getClient()
+	if client == nil {
+		return
 	}
-
 	client.Agent().ServiceDeregister(fmt.Sprintf("%s-%s:%d", name, addr, port))
 }
 
 //FindNode 查找节点
 func FindNode(servicename string) (*consulapi.AgentService, error) {
-	// 创建连接consul服务配置
-	config := consulapi.DefaultConfig()
-	config.Address = consulAddr
-	client, err := consulapi.NewClient(config)
-	if err != nil {
-		log.WithFields(log.Fields{
-			"func": "FindNode",
-		}).Errorf("NewClient: %v", err)
+	client := getClient()
+	if client == nil {
+		return nil, nil
 	}
 	services, _, err := client.Health().Service(servicename, "", true, nil)
 	if err != nil {
@@ -94,14 +97,9 @@ func FindNode(servicename string) (*consulapi.AgentService, error) {
 
 //FindServer 从consul中发现服务
 func FindServer() {
-	// 创建连接consul服务配置
-	config := consulapi.DefaultConfig()
-	config.Address = consulAddr
-	client, err := consulapi.NewClient(config)
-	if err != nil {
-		log.WithFields(log.Fields{
-			"func": "DeRegister",
-		}).Errorf("%v", err)
+	client := getClient()
+	if client == nil {
+		return
 	}
 
 	// 获取所有service
@@ -126,28 +124,22 @@ func FindServer() {
 }
 
 //CheckHeath 健康检查
-func CheckHeath() {
-	// 创建连接consul服务配置
-	config := consulapi.DefaultConfig()
-	config.Address = "127.0.0.1:8500"
-	client, err := consulapi.NewClient(config)
-	if err != nil {
-		log.Fatal("consul client error : ", err)
+func CheckHeath(serviceid string) {
+	client := getClient()
+	if client == nil {
+		return
 	}
 	// 健康检查
-	a, b, _ := client.Agent().AgentHealthServiceByID("111")
+	a, b, _ := client.Agent().AgentHealthServiceByID(serviceid)
 	fmt.Println(a)
 	fmt.Println(b)
 }
 
 //KVTest test
 func KVTest() {
-	// 创建连接consul服务配置
-	config := consulapi.DefaultConfig()
-	config.Address = "127.0.0.1:8500"
-	client, err := consulapi.NewClient(config)
-	if err != nil {
-		log.Fatal("consul client error : ", err)
+	client := getClient()
+	if client == nil {
+		return
 	}
 
 	// KV, put值
diff --git a/main.go b/main.go
index eb989f5..75548b3 100644
--- a/main.go
+++ b/main.go
@@ -32,7 +32,7 @@ func main() {
 	defer cancel()
 
 	// grpc服务定义
-	s := grpc.NewServer()
+	s := grpc.NewServer(grpc.MaxRecvMsgSize(1024), grpc.MaxSendMsgSize(1024))
 	pb.RegisterHelloServer(s, &sample.Server{})
 	pb.RegisterHealthServer(s, &health.Server{})