https://developers.weixin.qq.com/miniprogram/dev/reference/configuration/app.html

#docContent > div.content.custom > div:nth-child(4) > table > tbody > tr:nth-child(18) > td:nth-child(1) > a

配置项 表格中的useExtendedLib 的href是"#useextendedlib"，其实应该为"#useExtendedLib"