Windows ssh远程登录阿里云遇到permissions are too open的错误

set key="E:\tmp\yourkey.pem"
cmd /c icacls %key% /c /t /inheritance:d
cmd /c icacls %key% /c /t /grant %username%:F
cmd /c icacls %key% /c /t /remove Administrator "Authenticated Users" BUILTINAdministrators BUILTIN Everyone System Users
cmd /c icacls %key%