https://login.microsoftonline.com/organizations/oauth2/v2.0/authorize?response_type=code&client_id=b1df0e0d-7c21-4653-9fb9-c4d71a13a273&scope=https://graph.microsoft.com/.default&redirect_uri=https://ems.intl.zju.edu.cn/greencons/ssoLogin/ssoLoginCallBack