diff --git a/xray/client_traffic.go b/xray/client_traffic.go
index d1302da4..764bd6f0 100644
--- a/xray/client_traffic.go
+++ b/xray/client_traffic.go
@@ -9,4 +9,5 @@ type ClientTraffic struct {
 	Down       int64  `json:"down" form:"down"`
 	ExpiryTime int64  `json:"expiryTime" form:"expiryTime"`
 	Total      int64  `json:"total" form:"total"`
+	SubID      string `json:"subId" from:"subId"`
 }