Update README.md #43

	name: CI

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch: # 允许手动触发工作流
	schedule:
	- cron: "30 23 * * *" # 每天 23:30 触发一次

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Create timestamped .md file
	run: \|
	timestamp=$(date "+%Y-%m-%d %H:%M:%S")
	echo "Last update time: $timestamp" > "DATA_UPDATE.md"

	- name: Commit and push .md file
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	git config --global user.name "github-actions[bot]"
	git config --global user.email "github-actions[bot]@users.noreply.github.com"
	git add DATA_UPDATE.md
	if git diff --cached --quiet; then
	echo "No changes to commit"
	else
	git commit -m "Update DATA_UPDATE.md with timestamp $(date '+%Y-%m-%d %H:%M:%S')"
	git push origin main
	fi

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