diff --git a/README.md b/README.md
index e97a9ce1..4d70379e 100644
--- a/README.md
+++ b/README.md
@@ -98,4 +98,5 @@ spec:
   externalKubeAPIEnabled: true
 ```
 
-With `externalKubeAPIEnabled=true` and `connection.type=proxy` tower will create the serivce with `LoadBlancer` type, content in annotation with key `tower.kubesphere.io/external-lb-service-annoations` will be applied to the service anntations as k-v, so that your can control how the `ccm` process the service.
\ No newline at end of file
+With `externalKubeAPIEnabled=true` and `connection.type=proxy` tower will create the serivce with `LoadBlancer` type, content in annotation with key `tower.kubesphere.io/external-lb-service-annoations` will be applied to the service anntations as k-v, so that your can control how the `ccm` process the service.
+##
diff --git a/cmd/proxy/main.go b/cmd/proxy/main.go
index 3f126693..102d3e74 100644
--- a/cmd/proxy/main.go
+++ b/cmd/proxy/main.go
@@ -1,3 +1,4 @@
+
 package main
 
 import (
diff --git a/pkg/agent/agent.go b/pkg/agent/agent.go
index 1c47d3b9..f38acc0f 100644
--- a/pkg/agent/agent.go
+++ b/pkg/agent/agent.go
@@ -79,7 +79,7 @@ func NewAgent(options *Options) (*Agent, error) {
 
 		conf.CAData = ca
 		conf.BearerToken = token
-		conf.KubernetesSvcHost = fmt.Sprintf("%s:%s", host, port)
+		conf.KubernetesSvcHost = net.JoinHostPort(host,port)
 	}
 
 	agent := &Agent{