@Override
    public void close() throws IOException {
        getClient().close();
    }
replace keywords, file name /data/log/test.log will be trans to #data#log#test.log
to prevent the path depth of zk to be too large
@return string after replace
inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/store/ZooKeeperImpl.java