from pydantic_settings import BaseSettings class Settings(BaseSettings): corpid: str = "" secret: str = "" open_kfid: str = "" callback_token: str = "" callback_aes_key: str = "" database_url: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/wechat_kf" model_config = {"env_file": ".env", "env_file_encoding": "utf-8"} settings = Settings()