提Issue必看(Must read before create issue)

[zhangst]

如果使用中遇到问题，请先阅读wiki内容自查，仍未解决提issue需要提供的内容：

1. MongoShake的版本
2. 源和目的MongoDB的版本
3. 脱敏后的配置文件和日志文件

如果是贡献代码，可以直接提PR

If you encounter any problems when you use MongoShake, please read wiki first. If not resolved, please provide the following information in issue.

1. MongoShake version
2. source & dest MongoServer version
3. Desensitized(ip, username, password mainly) logs and configuration files

If you want to contribute code, you can submit PR directly.

[MrGYuan]

2.8版本，在源集群上不会创建Mongoshake库