fix: the original message referenced by the pull message processing is withdrawn

pkg/common/db/controller/msg.go

@@ -461,10 +461,15 @@ func (db *commonMsgDatabase) handlerDBMsg(ctx context.Context, userID, conversat
 		log.ZError(ctx, "GetMsgBySeqIndexIn1Doc", err, "conversationID", conversationID, "seq", quoteMsg.QuoteMessage.Seq)
 		return
 	}
-	if len(msgs) != 0 && msgs[0].Msg.ContentType != constant.MsgRevokeNotification {
+	if len(msgs) != 0 && msgs[0].Msg.ContentType == constant.MsgRevokeNotification {
 		return
 	}
-	quoteMsg.QuoteMessage = nil
+	quoteMsg.QuoteMessage.ContentType = constant.MsgRevokeNotification
+	if len(msgs) > 0 {
+		quoteMsg.QuoteMessage.Content = msgs[0].Msg.Content
+	} else {
+		quoteMsg.QuoteMessage.Content = "{}"
+	}
 	data, err := json.Marshal(&quoteMsg)
 	if err != nil {
 		log.ZError(ctx, "json.Marshal", err)