diff --git a/constant/metadata.go b/constant/metadata.go
index f30426c1..3b55a8be 100644
--- a/constant/metadata.go
+++ b/constant/metadata.go
@@ -148,7 +148,7 @@ func (m *Metadata) SourceAddress() string {
 
 func (m *Metadata) SourceDetail() string {
 	if m.Type == INNER {
-		return fmt.Sprintf("[%s]", ClashName)
+		return fmt.Sprintf("%s", ClashName)
 	}
 
 	switch {