AnyaParry

Results 3 issues of AnyaParry

1,程序会将null识别为object类型。 2,程序识别出来的都不是可选类型,可能需要增加一个配置?

### Self Checks - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing...

🐞 bug
good first issue