支持配置外部 fun 进行 invoke

[vangie]

Is your feature request related to a problem? Please describe.
当前的插件使用内置的 fun，加入 fun 有问题，需要升级，运行用户配置外部的 fun 进行调用。

Describe the solution you'd like
提供一种配置方式把内置的 fun 给替换掉。

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.