ATOM 使用 Sync-Setting 扩展，常常无法链接成功

[bravist]

Sync-Settings: Error getting backup

request to https://api.github.com/gists/{gist_id} failed, reason: connect ECONNREFUSED 13.250.168.23:443

前提是：之前翻墙已经正常下载了 Sync-Setting 扩展，偶尔新开 ATOM，会提示上面的信息