无法访问官网及文档 Couldn't open websites
## What happens?
Couldn't open websites and documents.
无法访问官网及文档

## Mini Showcase Repository(REQUIRED)
> Provide a mini GitHub repository which can reproduce the issue.
> Use `npm init egg --type=simple bug` then upload to your GitHub
Not relative to repository, it's the website: https://eggjs.org/

<!-- https://github.com/YOUR_REPOSITORY_URL -->

## How To Reproduce
Here is the [screenshot](https://imgur.com/a/rP85dBK.png)

**Steps to reproduce the behavior:**
1. open https://eggjs.org/

**Expected behavior**
1. normal website

## Context
- **Node Version**: latest
- **Egg Version**: latest
- **Plugin Name**: None
- **Plugin Version**: None
- **Platform**: Windows 10, Chrome Version 97.0.4692.99
