diff --git a/crawler_manager.go b/crawler_manager.go
index 101cedd..3114a11 100644
--- a/crawler_manager.go
+++ b/crawler_manager.go
@@ -11,8 +11,9 @@ import (
 	"os"
 	"log"
 
-	"github.com/kataras/go-errors"
+
 	"path/filepath"
+	"errors"
 )
 
 const (
@@ -44,27 +45,25 @@ func init() {
 	//g_CrawlerMananger.init()
 }
 
-func GetInstance() *CrawlerManager {
-	return g_CrawlerMananger;
-}
+func GetClient(container string)  (*grpc.ClientConn, error) {
+	crm := GetInstance()
+	b := crm.checkContainer(&container)
 
-func (c *CrawlerManager)GetClient(container string,port string) (*grpc.ClientConn, error) {
-
-	b := c.checkContainer(&container)
 	if b == false {
-		//c.runContainer(&container)
-		//CallInit()
-		err := c.runAndInitContainer(&container)
+		err := crm.runAndInitContainer(&container)
 		if err != nil {
 			return nil, err
 		}
 	}
-
-	gport := c.portMap[container]
+	gport := crm.portMap[container]
 
 	return grpc.Dial(address+gport, grpc.WithInsecure())
 }
 
+func GetInstance() *CrawlerManager {
+	return g_CrawlerMananger;
+}
+
 
 
 func readConfig(path string ) *config.Config {