不能正常输出文字内容

[Glanci-0525]

1. If you can, please include a screenshot of your problem
2. Please include the name of your operating system
3. If you can, steps to reproduce are super helpful

[Glanci-0525]

前几天累计问的问题一多网页就变得特别慢，今天直接不能输出内容了，请尽快排查修复

[Jiayuan]

已修复。网页变慢的性能问题我们也记录一下。cc @Bohan-J