@Override
    public void onPluginChanged(final List<PluginData> changed, final DataEventTypeEnum eventType) {
        if (CollectionUtils.isEmpty(changed)) {
            return;
        }
        String namespaceId = changed.stream().map(value -> StringUtils.defaultString(value.getNamespaceId(), SYS_DEFAULT_NAMESPACE_ID)).findFirst().get();
        this.updatePluginCache(namespaceId);
        this.afterPluginChanged(changed, eventType, namespaceId);
    }
After meta data changed.

@param changed   the changed
@param eventType the event type
shenyu-admin/src/main/java/org/apache/shenyu/admin/listener/AbstractDataChangedListener.java