- If upgrade `version<1.4.0` to `v1.4.0`, follow the operating instructions in [v1.4.0](https://github.com/didi/nightingale/releases/tag/V1.4.0) release
- If upgrade `version<1.4.0` to `v1.4.0`, follow the operating instructions in [v1.4.0](https://github.com/didi/nightingale/releases/tag/v1.4.0) release
- If upgrade from `version>1.4.0 & version<2.3.0` to `v2.3.0`, need import this [sql](https://github.com/didi/nightingale/blob/master/sql/upgrade_2.3.0.sql)