diff --git a/monitor/monitor.go b/monitor/monitor.go
index 61562250aa..605df3291d 100644
--- a/monitor/monitor.go
+++ b/monitor/monitor.go
@@ -20,8 +20,10 @@ package monitor
 
 import (
 	"context"
+	v3 "github.com/coreos/etcd/clientv3"
 	"time"
 
+	"github.com/coreos/etcd/clientv3"
 	"github.com/goodrain/rainbond/cmd/monitor/option"
 	discoverv1 "github.com/goodrain/rainbond/discover"
 	discoverv2 "github.com/goodrain/rainbond/discover.v2"
@@ -40,7 +42,7 @@ type Monitor struct {
 	config         *option.Config
 	ctx            context.Context
 	cancel         context.CancelFunc
-	client         *v3.Client
+	client         *clientv3.Client
 	timeout        time.Duration
 	manager        *prometheus.Manager
 	discoverv1     discoverv1.Discover