diff --git a/web/service/inbound.go b/web/service/inbound.go
index 4abc88c3..b0aed169 100644
--- a/web/service/inbound.go
+++ b/web/service/inbound.go
@@ -1951,8 +1951,8 @@ func (s *InboundService) GetClientTrafficByEmail(email string) (traffic *xray.Cl
 		return nil, err
 	}
 	if t != nil && client != nil {
-		// Ensure enable mirrors the client's current enable flag in settings
 		t.Enable = client.Enable
+		t.SubId = client.SubID
 		return t, nil
 	}
 	return nil, nil
@@ -1993,6 +1993,7 @@ func (s *InboundService) GetClientTrafficByID(id string) ([]xray.ClientTraffic,
 	for i := range traffics {
 		if ct, client, e := s.GetClientByEmail(traffics[i].Email); e == nil && ct != nil && client != nil {
 			traffics[i].Enable = client.Enable
+			traffics[i].SubId = client.SubID
 		}
 	}
 	return traffics, err
diff --git a/xray/client_traffic.go b/xray/client_traffic.go
index fe527d55..84c509ac 100644
--- a/xray/client_traffic.go
+++ b/xray/client_traffic.go
@@ -5,6 +5,7 @@ type ClientTraffic struct {
 	InboundId  int    `json:"inboundId" form:"inboundId"`
 	Enable     bool   `json:"enable" form:"enable"`
 	Email      string `json:"email" form:"email" gorm:"unique"`
+	SubId      string `json:"subId" form:"subId" gorm:"-"`
 	Up         int64  `json:"up" form:"up"`
 	Down       int64  `json:"down" form:"down"`
 	AllTime    int64  `json:"allTime" form:"allTime"`