Failed to load the dll from [C:\Program Files\dotnet\host\fxr\3.1.21\hostfxr.dll
], HRESULT: 0x80070057
The library hostfxr.dll was found, but loading it from C:\Program Files\dotnet\h
ost\fxr\3.1.21\hostfxr.dll failed
  - Installing .NET Core prerequisites might help resolve this problem.
     https://go.microsoft.com/fwlink/?linkid=798306

检查以下是否已安装

Windows 7 SP1 ESU    - Microsoft Visual C++ 2015-2019 Redistributable 64-bit / 32-bit

- Microsoft Root Certificate Authority 2011 (.NET Core 2.1 offline installer only)

https://learn.microsoft.com/en-us/dotnet/core/install/windows?tabs=net70#dependencies