docs:整改README文档

[delicacy001]

Question

在您提交之前，请确保该该仓库或其他地方没有存在类似的 issue。

这个 issue 让您向维护者和其他开发者提出关于这个库的问题 - 请记住，即使问题被关闭，对话也可以继续进行 。
理想情况下，这个 issue 可能最终会形成一个对该库文档的 PR，未来其他开发者就可以不需要再次提问了。

Before submitting it, please ensure that this was not already asked in another issue.

This issue should serve for you to ask a question about the library to the maintainers and other fellow developers - remember that even if the issue gets closed, the conversation can move forward.
Also, ideally this issue should culminate in a PR to the documentation for this library so that future developers will have that doubt cleared.