This is what I wrote on my blog, and turned to csdn.
VS resolve when compiled, it has been stuck in NuGet Package Manager "Restoring Files" stuck in "Restoring nuget Package"
Related issues "to resolve when VS compiled from the card, a problem nuget reduction (" NuGet Command Line has stopped working ")" http://ant73.com/106.html
Sometimes, to change other people's projects, always suggesting this, very tired, very slow.
Original from: http://ant73.com/280.html
Later, to find a solution, you can set up as follows:
Uncheck here.
Original from: http://ant73.com/280.html
This issue also involves related issues mentioned earlier. Interested can look at solutions to the problem.