diff --git a/pkg/common/config/config.go b/pkg/common/config/config.go
index 6c0e1a499..6addffc22 100644
--- a/pkg/common/config/config.go
+++ b/pkg/common/config/config.go
@@ -511,13 +511,13 @@ type PDefaultTips struct {
 
 func init() {
 	cfgName := os.Getenv("CONFIG_NAME")
-	fmt.Println(Root, cfgName)
+	fmt.Println("get config path is:", Root, cfgName)
 
-	if len(cfgName) == 0 {
-		cfgName = Root + "/config/config.yaml"
+	if len(cfgName) != 0 {
+		Root = cfgName
 	}
 
-	bytes, err := ioutil.ReadFile(cfgName)
+	bytes, err := ioutil.ReadFile(filepath.Join(Root, "config", "config.yaml"))
 	if err != nil {
 		panic(err.Error())
 	}