问题描述：我们有一个h5的页面，用户通过手机微信扫码后会跳转到这个h5页面，登录成功后会存储数据到localStorage中，最近部分用户出现了localStorage中的数据丢失（没有手动清除过微信缓存） 针对以上问题有几个问题想确认一下： 1、微信内置浏览器对本地存储的支持情况（cookie、localStorage、indexDB） 2、微信内置浏览器中的localStorage是长期存储还是会自动清除，有没有特定规则 3、现在遇到的这个问题是不是微信浏览器内核一个bug，后续是否能解决？

https://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_Login/Wechat_Login.html 已申请网站应用，请问是否能实现，应该参照哪个文档？

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[图片][图片] 代码没有改，前2次用真机调试没有问题，再用真机调试就报错了 runtime.js:1 ReferenceError: define is not defined     at eval (weapp:///@babel/runtime/helpers/interopRequireDefault.js:1)     at eval (<anonymous>)     at pe (runtime.js:1)     at runtime.js:1     at fe (runtime.js:1)     at Te (runtime.js:1)     at Ae (runtime.js:1)     at WebSocket.He.Ue.onmessage (runtime.js:1) VM13:2 SystemError (appServiceSDKScriptError) Cannot read property 'checkTapMark' of undefined TypeError: Cannot read property 'checkTapMark' of undefined     at zr (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:929512)     at Object.eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:929588)     at Object.eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:2354534)     at Object.eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:2352498)     at < at wx.getNetworkType>     at Object.eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:118086)     at eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:806344)     at r.eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:806554)     at <setTimeout callback function>     at eval (eval at Te.n.call.document (http://127.0.0.1:38847/remote-debug/runtime.js?devtools_ignore=true:1:15025), <anonymous>:2:118761)