E: bad pack name: it should be one of the following formats: Vendor.Pack, ...

报错如下：
E: bad pack name: it should be one of the following formats: Vendor.Pack, Vendor.Pack.x.y.z, Vendor.Pack.x.y.z.pack, or Vendor.Pack.pdsc

通常国产MCU基于keil开发，自动安装x.pack时，出报此错误。可以unzip后手动安装可规避此问题。