private void metaDataHandlerEvent(final String updatePath, final String updateData, final EventType eventType) {
        if (EventType.DELETE.equals(eventType)) {
            final String realPath = updatePath.substring(DefaultPathConstants.META_DATA.length() + 1);
            MetaData metaData = new MetaData();
            metaData.setPath(URLDecoder.decode(realPath, StandardCharsets.UTF_8));
            unCacheMetaData(metaData);
            return;
        }
        Optional.ofNullable(updateData)
                .ifPresent(e -> cacheMetaData(GsonUtils.getInstance().fromJson(updateData, MetaData.class)));
    }
event.

@param namespaceId namespaceId
@param updatePath updatePath
@param updateData updateData
@param registerPath registerPath
@param eventType eventType
shenyu-sync-data-center/shenyu-sync-data-api/src/main/java/org/apache/shenyu/sync/data/core/AbstractPathDataSyncService.java