diff --git a/pkg/notify/models/receiver_notification.go b/pkg/notify/models/receiver_notification.go
index 072abf7835..be4051963e 100644
--- a/pkg/notify/models/receiver_notification.go
+++ b/pkg/notify/models/receiver_notification.go
@@ -39,10 +39,10 @@ const (
 type SReceiverNotification struct {
 	db.SJointResourceBase
 
-	ReceiverID     string `width:"128" charset:"ascii" nullable:"false"`
-	NotificationID string `width:"128" charset:"ascii" nullable:"false"`
+	ReceiverID     string `width:"128" charset:"ascii" nullable:"false" index:"true"`
+	NotificationID string `width:"128" charset:"ascii" nullable:"false" index:"true"`
 	// ignore if ReceiverID is not empty or default
-	Contact      string    `width:"128" nullable:"false"`
+	Contact      string    `width:"128" nullable:"false" index:"true"`
 	SendAt       time.Time `nullable:"false"`
 	SendBy       string    `width:"128" nullable:"false"`
 	Status       string    `width:"36" charset:"ascii"`