diff --git a/cmd/frps/root.go b/cmd/frps/root.go
index 522a85b6..56b65aba 100644
--- a/cmd/frps/root.go
+++ b/cmd/frps/root.go
@@ -54,7 +54,7 @@ var (
 	logFile           string
 	logLevel          string
 	logMaxDays        int64
-        logDurationTypes  string
+	logDurationTypes  string
 	disableLogColor   bool
 	token             string
 	subDomainHost     string