[1.升级收银后如何使用新平板](1.%E5%8D%87%E7%BA%A7%E6%94%B6%E9%93%B6%E5%90%8E%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8%E6%96%B0%E5%B9%B3%E6%9D%BF.md) [2.如何自定义平板语言](2.%E5%A6%82%E4%BD%95%E8%87%AA%E5%AE%9A%E4%B9%89%E5%B9%B3%E6%9D%BF%E8%AF%AD%E8%A8%80.md)