diff --git a/crawler_manager.go b/crawler_manager.go
index 50699cc..34d7b6b 100644
--- a/crawler_manager.go
+++ b/crawler_manager.go
@@ -16,6 +16,7 @@ import (
 
 const (
 	address = "localhost:"
+	portArgsName = "-Port="
 	defaultPort = 50000
 
 	rootFolder = "/home/cm/"
@@ -182,7 +183,7 @@ func (c *CrawlerManager)runContainer(container *string) error {
 	cmdStr := getRunCommand(container)
 
 	for {
-		pArg := "-Port=" + strconv.Itoa(c.currentPort)
+		pArg := portArgsName + strconv.Itoa(c.currentPort)
 		cmd := exec.Command(cmdStr, pArg)
 
 		err := cmd.Start()
@@ -264,18 +265,6 @@ func (c *CrawlerManager)removeProcessFile(pid *string) {
 	}
 }
 
-func writePid(pid int) {
-	ioutil.WriteFile(PidFolder + strconv.Itoa(pid), []byte(""), os.ModePerm)
-}
-
-func getConfigPaths(container *string) *[]string {
-
-	var dirs []string
-	existConfigFileDir(ConfigFolder, *container, &dirs)
-
-	return &dirs
-}
-
 
 
 
diff --git a/crawler_manager_test.go b/crawler_manager_test.go
index 99bd6bf..07d3537 100644
--- a/crawler_manager_test.go
+++ b/crawler_manager_test.go
@@ -245,6 +245,6 @@ func TestRunRun(t *testing.T) {
 	GetInstance().runContainer(&c)
 
 
-	//GetInstance().stopContainer(&c)
+	GetInstance().stopContainer(&c)
 
 }
\ No newline at end of file
diff --git a/crawler_util.go b/crawler_util.go
index 1e07b50..e951d5c 100644
--- a/crawler_util.go
+++ b/crawler_util.go
@@ -1,6 +1,10 @@
 package crawler_manager
 
-import "io/ioutil"
+import (
+	"io/ioutil"
+	"strconv"
+	"os"
+)
 
 func existConfigFile(prePath string,dir string) bool {
 
@@ -41,3 +45,15 @@ func getRunCommand(container *string ) string {
 	return BinaryFolder + "/" + *container + "/" + runFile
 }
 
+func writePid(pid int) {
+	ioutil.WriteFile(PidFolder + strconv.Itoa(pid), []byte(""), os.ModePerm)
+}
+
+func getConfigPaths(container *string) *[]string {
+
+	var dirs []string
+	existConfigFileDir(ConfigFolder, *container, &dirs)
+
+	return &dirs
+}
+