fix docs error about max_filter_ratio

[Johnnyssc]

trafficstars

fix wrong docs content about max_filter_ratio

[Johnnyssc]

run build all

[luzhijing]

There are some conflicts please resolve it and please also fix it in 3.0-branch

[KassieZ]

Thank you for your contribution. However, this pull request contains comments and unresolved conflicts. As a result, it will be closed. If you still wish to submit your changes, please create a new pull request.