File->settings->Editor->File and Code Templates->Python Script ，添加一下内容：

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : ${DATE} ${HOUR}:${MINUTE}
# @Author  : Lynn
# @Site    : ${SITE}
# @File    : ${NAME}.py
# @Software: ${PRODUCT_NAME}

如下图：