我想安装旧版本的软件包(Newtonsoft.Json).但NuGet回滚.
PM> Install-Package Newtonsoft.Json -Version 4.0.5
Successfully installed 'Newtonsoft.Json 4.0.5'.
Install failed. Rolling back...
Install-Package : Already referencing a newer version of 'Newtonsoft.Json'.
任何帮助将不胜感激.