https://github.com/dotnet/runtime/issues/721
https://github.com/dotnet/aspnetcore/issues/19467
C:UsersAdministrator>dotnet --info
.NET Core SDK（反映任何 global.json）:
Version: 3.1.100
Commit: cd82f021f4
运行时环境:
OS Name: Windows
OS Version: 10.0.17134
OS Platform: Windows
RID: win10-x64
Base Path: C:Program Filesdotnetsdk3.1.100
Host (useful for support):
Version: 3.1.0
Commit: 65f04fb6db
.NET Core SDKs installed:
1.1.13 [C:Program Filesdotnetsdk]
1.1.14 [C:Program Filesdotnetsdk]
2.1.202 [C:Program Filesdotnetsdk]
2.1.302 [C:Program Filesdotnetsdk]
2.1.505 [C:Program Filesdotnetsdk]
2.1.602 [C:Program Filesdotnetsdk]
2.1.700 [C:Program Filesdotnetsdk]
2.2.203 [C:Program Filesdotnetsdk]
3.1.100 [C:Program Filesdotnetsdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.2 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.9 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.11 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.1.14 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.2.4 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.All 2.2.7 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.2 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.9 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.11 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.1.14 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.2.4 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 2.2.7 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.0.0-preview3-19153-02 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.0 [C:Program FilesdotnetsharedMicrosoft.AspNetCore.App]
Microsoft.NETCore.App 1.0.15 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 1.0.16 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 1.1.12 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 1.1.13 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.0.9 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.1.2 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.1.9 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.1.11 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.1.14 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.2.4 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 2.2.7 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 3.0.0-preview3-27503-5 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.NETCore.App 3.1.0 [C:Program FilesdotnetsharedMicrosoft.NETCore.App]
Microsoft.WindowsDesktop.App 3.0.0-preview3-27504-2 [C:Program FilesdotnetsharedMicrosoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 3.1.0 [C:Program FilesdotnetsharedMicrosoft.WindowsDesktop.App]
To install additional .NET Core runtimes or SDKs:
https://aka.ms/dotnet-download
C:UsersAdministrator>dotnet --info