diff --git a/core.go b/core.go
index b56a86c7a..18264774d 100644
--- a/core.go
+++ b/core.go
@@ -3,7 +3,7 @@ package core
 
 import (
 	"fmt"
-	
+
 	"github.com/v2ray/v2ray-core/common/platform"
 )