mochi

### Search before asking - [X] I had searched in the [issues](https://github.com/DTStack/chunjun/issues) and found no similar issues. ### What happened 看到之前的issue已经处理过这样的问题，https://github.com/DTStack/chunjun/pull/1450； 我的代码已经是1.12最新的代码，重新拉的新项目； 在运行mysql-clickhouse是时是没问题的； 运行clickhouse-clickhouse报空指针： ### What you expected to happen...