diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index d3c4d8e75..63d4a2426 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -674,8 +674,8 @@ func (db *commonMsgDatabase) UserMsgsDestruct(ctx context.Context, userID string
 
 	log.ZDebug(ctx, "UserMsgsDestruct", "conversationID", conversationID, "userID", userID, "seqs", seqs)
 	if len(seqs) > 0 {
-		latestSeq := seqs[len(seqs)-1]
-		if err := db.cache.SetConversationUserMinSeq(ctx, conversationID, userID, latestSeq); err != nil {
+		userMinSeq := seqs[len(seqs)-1] + 1
+		if err := db.cache.SetConversationUserMinSeq(ctx, conversationID, userID, userMinSeq); err != nil {
 			return nil, err
 		}
 	}
diff --git a/pkg/rpcclient/msg.go b/pkg/rpcclient/msg.go
index 1fd6846d1..a012a5a5f 100644
--- a/pkg/rpcclient/msg.go
+++ b/pkg/rpcclient/msg.go
@@ -71,8 +71,9 @@ func newContentTypeConf() map[int32]config.NotificationConf {
 		constant.ConversationUnreadNotification:      config.Config.Notification.ConversationChanged,
 		constant.ConversationPrivateChatNotification: config.Config.Notification.ConversationSetPrivate,
 		// msg
-		constant.MsgRevokeNotification: {IsSendMsg: false, ReliabilityLevel: constant.ReliableNotificationNoMsg},
-		constant.HasReadReceipt:        {IsSendMsg: false, ReliabilityLevel: constant.ReliableNotificationNoMsg},
+		constant.MsgRevokeNotification:  {IsSendMsg: false, ReliabilityLevel: constant.ReliableNotificationNoMsg},
+		constant.HasReadReceipt:         {IsSendMsg: false, ReliabilityLevel: constant.ReliableNotificationNoMsg},
+		constant.DeleteMsgsNotification: {IsSendMsg: false, ReliabilityLevel: constant.ReliableNotificationNoMsg},
 	}
 }
 
@@ -116,7 +117,7 @@ func newSessionTypeConf() map[int32]int32 {
 		constant.ConversationUnreadNotification:      constant.SingleChatType,
 		constant.ConversationPrivateChatNotification: constant.SingleChatType,
 		// delete
-		constant.MsgDeleteNotification: constant.SingleChatType,
+		constant.DeleteMsgsNotification: constant.SingleChatType,
 	}
 }
 
diff --git a/pkg/rpcclient/notification/msg.go b/pkg/rpcclient/notification/msg.go
index c475291d2..bcc6865b1 100644
--- a/pkg/rpcclient/notification/msg.go
+++ b/pkg/rpcclient/notification/msg.go
@@ -36,7 +36,7 @@ func (m *MsgNotificationSender) UserDeleteMsgsNotification(ctx context.Context,
 		ConversationID: conversationID,
 		Seqs:           seqs,
 	}
-	return m.Notification(ctx, userID, userID, constant.MsgDeleteNotification, &tips)
+	return m.Notification(ctx, userID, userID, constant.DeleteMsgsNotification, &tips)
 }
 
 func (m *MsgNotificationSender) MarkAsReadNotification(ctx context.Context, conversationID string, sesstionType int32, sendID, recvID string, seqs []int64, hasReadSeq int64) error {