diff --git a/config/config.go b/config/config.go
index b61f184..b3f8bf2 100644
--- a/config/config.go
+++ b/config/config.go
@@ -13,7 +13,7 @@ func FlagConfigDir() *string {
 }
 
 func FlagLogConfigFilePath() *string {
-	return flag.String(FlagLogConfigFilePathName, "./logging.json", "The file path of logging config")
+	return flag.String(FlagLogConfigFilePathName, "", "The file path of logging config")
 }
 
 func FlagPidFilePath() *string {