1. [Feature] Support ClickHouse Cluster Mode using parame of cluster. Reading ClickHouse table of system.clusters
2. [Fixbug] Fix a bug of checkConfig when using result_table_name rather than table_name
3. [Fixbug] Fix a bug of MongoDB in Spark Structured Streaming Output
4. [Enhancement] Update dependency of ElasticSearch to 7.6.2
5. [Enhancement] Update dependency of clickhouse-jdbc to 0.2.4

注意：Waterdrop 提供可直接执行的软件包，没有必要自行编译源代码，请点击下面waterdrop-1.4.3.zip 下载。

如果Github下载速度慢，可通过百度云(链接:https://pan.baidu.com/s/1Qik5I1IGsgx1u26plSOFDg 密码:fqkr) 直接下载。

备注：spark >= 2.3 下载 waterdrop-1.4.3.zip, spark < 2.3 下载waterdrop-1.4.3-with-spark.zip