参考： https://blog.csdn.net/weixin_30266885/article/details/98982370

官方： https://developers.weixin.qq.com/miniprogram/dev/framework/subpackages/basic.html

          https://developers.weixin.qq.com/community/develop/doc/000aca471d0700b091d6ae93356000?_at=1559127912114

https://blog.csdn.net/xuelian3015/article/details/90204236?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-1-90204236.nonecase&utm_term=%E5%B0%8F%E7%A8%8B%E5%BA%8F%E8%B7%B3%E8%BD%AC%E5%88%B0%E5%88%86%E5%8C%85%E9%A1%B5%E9%9D%A2&spm=1000.2123.3001.4430

主包跳转到 分包 的路由跳转 路径