diff --git a/config/config.go b/config/config.go
index 53ec1d2..219d49e 100644
--- a/config/config.go
+++ b/config/config.go
@@ -2,6 +2,11 @@ package config
 
 import "flag"
 
+const (
+	LogConfigFilePathParamName = "log-config-path"
+	PidFilePathParamName       = "pid-path"
+)
+
 func FlagConfigDir() *string {
 	return flag.String("config-dir", ".", "The directory path of config")
 }