diff --git a/rules/parser.go b/rules/parser.go
index b1baa758..e2157cef 100644
--- a/rules/parser.go
+++ b/rules/parser.go
@@ -2,6 +2,7 @@ package rules
 
 import (
 	"fmt"
+	
 	C "github.com/metacubex/mihomo/constant"
 	RC "github.com/metacubex/mihomo/rules/common"
 	"github.com/metacubex/mihomo/rules/logic"