create an .env file at the root directory
BASE_URL=https://open.feishu.cn/open-apis
APP_ID=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
APP_SECRET=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
OPENAI_API_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxx
OPENAI_API_URL=https://api.openai.com/v1
HTTP_PROXY=http://127.0.0.1:7890