[1、升级应用](1%E3%80%81%E5%AE%89%E8%A3%85%E3%80%81%E6%9B%B4%E6%96%B0%E5%8D%87%E7%BA%A7%E5%BA%94%E7%94%A8.md) [2、创建名片应用小程序](2%E3%80%81%E5%88%9B%E5%BB%BA%E5%90%8D%E7%89%87%E5%BA%94%E7%94%A8%E5%B0%8F%E7%A8%8B%E5%BA%8F.md)