diff --git a/internal/rpc/msg/delete.go b/internal/rpc/msg/delete.go
index e19bba867..371c50e2e 100644
--- a/internal/rpc/msg/delete.go
+++ b/internal/rpc/msg/delete.go
@@ -138,9 +138,16 @@ func (m *msgServer) clearConversation(ctx context.Context, conversationIDs []str
 	}
 	isSyncSelf, isSyncOther := m.validateDeleteSyncOpt(deleteSyncOpt)
 	if !isSyncOther {
-		if err := m.MsgDatabase.SetUserConversationsMinSeqs(ctx, userID, m.getMinSeqs(maxSeqs)); err != nil {
+		setSeqs := m.getMinSeqs(maxSeqs)
+		if err := m.MsgDatabase.SetUserConversationsMinSeqs(ctx, userID, setSeqs); err != nil {
 			return err
 		}
+		ownerUserIDs := []string{userID}
+		for conversationID, seq := range setSeqs {
+			if err := m.Conversation.SetConversationMinSeq(ctx, ownerUserIDs, conversationID, seq); err != nil {
+				return err
+			}
+		}
 		// notification 2 self
 		if isSyncSelf {
 			tips := &sdkws.ClearConversationTips{UserID: userID, ConversationIDs: existConversationIDs}