Settings (Preferences) --> Editor --> File and Code Templates --> Python Script:

#!/anaconda3/envs/FEALPy/bin python3.8
# -*- coding: utf-8 -*-
# ---
# @Software: ${PRODUCT_NAME}
# @File: ${NAME}.py
# @Author: ---
# @Institution: --- University, ---, China
# @E-mail: ---@---.com, ---@---.edu.cn
# @Site: ${SITE}
# @Time: ${MONTH_NAME_SHORT} ${DAY}, ${YEAR}
# ---