- 在 GitHub 任意页面的右上角,单击你的个人资料照片,然后单击“ Settings”****。
 - 在边栏的“Access”部分中,单击 “Emails”****。
 - Under "Backup email address," use the dropdown menu to select the address you want to set as your backup email address.
 - Click Save.
 
Next steps
- For reference information, see 电子邮件地址参考.