diff --git a/service/im/v1/ext_model.go b/service/im/v1/ext_model.go
index 5c6fb544..46446c50 100644
--- a/service/im/v1/ext_model.go
+++ b/service/im/v1/ext_model.go
@@ -268,7 +268,6 @@ func (t *MessageText) AtUser(userId, name string) *MessageText {
 	t.builder.WriteString(name)
 	t.builder.WriteString("</at>")
 	return t
-	return t
 }
 
 func (t *MessageText) AtAll() *MessageText {