无法连接到Appstore，这是由于网络故障的问题，建议还原网络设置后重启手机，即可解决问题。
还原网络设置的步骤如下：
1.首先打开主页面的设置按钮；
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https://iknow-pic.cdn.bcebos.com/aa64034f78f0f73614a048d50155b319eac41383"/>
2.找到通用，打开；
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https://iknow-pic.cdn.bcebos.com/738b4710b912c8fc4ec6f219f7039245d6882128"/>
3.拖动下拉滑块到最下边，然后选择还原；
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https://iknow-pic.cdn.bcebos.com/4afbfbedab64034fc197c6d2a4c379310b551d8f"/>
4.这里可以还原很多东西，千万不要乱点，我们这种情况只需要点击还原网络设置即可。
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https://iknow-pic.cdn.bcebos.com/8cb1cb1349540923b83d67aa9958d109b2de4989"/>