Update main.py to fix bug in login function #2

	name: Python CI

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

	- name: Run tests
	run: \|
	pytest # 假设你使用 pytest 来测试代码

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