IPv6同时支持IPv4

		
if __name__ == "__main__":
    try:
        # host = os.environ.get('HOST', "0.0.0.0")
        host = os.environ.get('HOST', "::")
        port = os.environ.get('PORT', 8080)
        uvicorn.run(app="main:app", host=host, port=port, log_level="debug")
    except KeyboardInterrupt:
        print("Crtl+C Pressed. Shutting down.")