nuget还原时一直编译报错

错误 14 This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=317567. xxxx.csproj 

还原nuget包时一直在报这个错，看了下引用，发现地址不对，重新引用下载的包，然后修改一下项目文件：

删除上面的错误信息，重新编译即可。