解决flyway Migration checksum mismatch for migration 错误

[ERROR] Failed to execute goal org.flywaydb:flyway-maven-plugin:6.3.1:migrate (default-cli) on project community: org.flywaydb.core.api.FlywayException: Validate failed: 
[ERROR] Migration checksum mismatch for migration version 8
[ERROR] -> Applied to database : -1139749027
[ERROR] -> Resolved locally    : -301935750

原因：修改已经执行过的老脚本的内容会导致此错误。
解决办法：还原老脚本内容，重新按规范建一个sql脚本，执行。