1.在file-setting-plugins中的parketplace中搜索python，并安装python community edition，重启
2.在file-project structure中找到SDKs，点击图中"+",选择python SDK
3.根据自己的python environment选择，我电脑安装的是aconda，选择existing environmen,找到本地aconda安装目录下的python.exe文件，
4.点击ok即添加成功
5.在file-project structure中找到project,将project SDK改为python即可