public String getConfigMd5() {
        if (this.lastSyncVersion.get() > this.lastUpdVersion.get()) {
            return tmpDataMd5;
        } else {
            return dataMd5;
        }
    }
get topic by groupId and streamId
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/config/holder/MetaConfigHolder.java