修复了部分文章中连续图片不能居中的问题，更新了zoo同步教程 #21

	name: Build on Pull Request

	on:
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0
	# 如果你文档需要 Git 子模块，取消注释下一行
	# submodules: true

	- name: 设置 Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 18
	# cache: npm

	- name: 安装依赖
	run: npm install

	- name: 构建文档
	env:
	NODE_OPTIONS: --max_old_space_size=8192
	run: \|-
	npm run docs:build

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