search功能不能检索所有文章

[baozongwi]

Issue Checklist

• I am using NexT version 8.0 or later.
• I have already read the Troubleshooting page of Hexo and Troubleshooting page of NexT.
• I have already searched for current issues, which does not help me.

Other Information

我博客是有200篇文章的，但是实际上检索不到去年写的文章了，很多时候只能检索到今年的文章，如图

[welcome]

Thanks for opening this issue, maintainers will get back to you as soon as possible!

[stevenjoezhang]

如果你使用了这个插件 https://github.com/next-theme/hexo-generator-searchdb 请检查它产生的 search.json 是否包含所有博客文章。