Some selectors are not allowed in component wxss, including tag name selectors, ID selectors, and attribute selectors.解决方案

小程序报：Now you can provide attr `wx:key` for a `wx:for` to improve performance 解决方案

小程序报错：{"errcode":40169,"errmsg":"invalid length for scene, or the data is not json string hint: [EUmmoA08641090]"}解决方案