- 当前 Bug 的表现（可附上截图）
用户反馈的日志：
2019-6-20 16:51:13 [log] wx.getSystemInfoSync api invoke
2019-6-20 16:51:13 [log] wx.getSystemInfoSync return
2019-6-20 16:51:13 [log] wx.getSystemInfo api invoke
2019-6-20 16:51:13 [log] wx.getSystemInfo success callback with msg getSystemInfo:ok
2019-6-20 16:51:13 [log] wx.getNetworkType api invoke
2019-6-20 16:51:13 [log] wx.getNetworkType success callback with msg getNetworkType:ok
2019-6-20 16:51:13 [log] wx.getUpdateManager api invoke
2019-6-20 16:51:13 [log] wx.getUpdateManager return
2019-6-20 16:51:13 [log] App onLaunch have been invoked
2019-6-20 16:51:13 [log] App onShow have been invoked
2019-6-20 16:51:13 [log] wx.getSystemInfoSync api invoke
2019-6-20 16:51:13 [log] wx.getSystemInfoSync return
2019-6-20 16:51:13 [log] wx.getSystemInfo api invoke
2019-6-20 16:51:13 [log] wx.getSystemInfo success callback with msg getSystemInfo:ok
2019-6-20 16:51:13 [log] wx.getSetting api invoke
2019-6-20 16:51:13 [log] page pages/index/index onLoad have been invoked
2019-6-20 16:51:13 [log] page pages/index/index onShow have been invoked
2019-6-20 16:51:13 [log] page pages/index/index onReady have been invoked
2019-6-20 16:51:13 [log] wx.getSetting success callback with msg getSetting:ok
2019-6-20 16:51:15 [log] wx.getNetworkType api invoke
2019-6-20 16:51:15 [log] wx.getNetworkType success callback with msg getNetworkType:ok
2019-6-20 16:51:15 [log] wx.onNetworkStatusChange api invoke
2019-6-20 16:51:26 [log] page pages/index/index onHide have been invoked
2019-6-20 16:51:26 [log] App onHide have been invoked
2019-6-20 16:51:28 [log] App onShow have been invoked
2019-6-20 16:51:28 [log] page pages/index/index onUnload have been invoked
2019-6-20 16:51:28 [log] wx.getSetting api invoke
2019-6-20 16:51:28 [log] page pages/index/index onLoad have been invoked
2019-6-20 16:51:28 [log] page pages/index/index onShow have been invoked
2019-6-20 16:51:28 [log] wx.getSetting success callback with msg getSetting:ok
2019-6-20 16:51:29 [log] page pages/index/index onReady have been invoked
2019-6-20 16:51:30 [log] page pages/index/index onHide have been invoked
建议开发者先自行调试下小程序看看有没有查到错误信息https://developers.weixin.qq.com/miniprogram/dev/api/base/debug/wx.setEnableDebug.html
查了 根本没有报错 是不是基础库2.7.2灰度发布出什么问题了 ，用户白屏反馈的基础库全是2.7.2 。
而且看论坛中从6.18日开始也有有开发者反馈白屏问题，而2.7.2就是6月18日发布的。
另外用户反馈，说删除小程序在进来就好了。
现在都恢复正常使用了是吧
删除小程序后 重新进入就可以了