第一步，先检查是否在main.js中引入 store.js
如果检查完都引入了，且还是存在报错，
第二步： 在 package.json 将vuex 的版本更换为其它版本，并从新yarn安装，建议vuex 版本为 3.0
然后从新启动项目即可解决
- properties undefined reading Cannot 39properties undefined reading cannot properties typeerror undefined reading typeerror undefined property cannot properties typeerror reading cannot taro properties undefined reading quot undefined property cannot pickalgorithm properties reading cannot clearvalidate undefined property cannot access_token undefined property cannot parentelement properties reading cannot