How to upgrade from old version? | 有没有升级文档可以参考？比如从0.2.0升级到1.8.2怎么升级？

## Issue Description

Type: *bug report* or *feature request*

### Describe what happened (or what feature you want)

### Describe what you expected to happen

### How to reproduce it (as minimally and precisely as possible)

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### Tell us your environment

### Anything else we need to know?

The issue body names no files, tests, or existing documentation. Start by locating any upgrade or migration documentation in the repository and reviewing the changes between versions 0.2.0 and 1.8.2; done means providing a clear upgrade path for that version range.

Written by the indexing model from the issue text.