- 当前 Bug 的表现（可附上截图）

Error: 更新云函数失败：Install Dependency Error: install dependency failed: npm ERR! code EADDRNOTAVAIL npm ERR! errno EADDRNOTAVAIL npm ERR! request to http://mirrors.tencentyun.com/npm/wx-server-sdk failed, reason: connect EADDRNOTAVAIL 9.88.151.196:50102 - Local (172.17.0.2:0) npm ERR! A complete log of this run can be found in: npm ERR!     /home/scf/.npm/_logs/2019-06-21T08_30_07_170Z-debug.log

- 预期表现

- 复现路径

- 提供一个最简复现 Demo