net5 project can not run in iisexpress for visualstudio 17.8.0

### Description

the event source log:
Application '/LM/W3SVC/2/ROOT' with physical root 'H:\GitProject\User\4.WebSite\Opu.WebSite.UserHub\' failed to load coreclr. Exception message:
CLR worker thread exited prematurely

Application '/LM/W3SVC/2/ROOT' with physical root 'H:\GitProject\User\4.WebSite\Opu.WebSite.UserHub\' hit unexpected managed exception, exception code = '0xe0434352'. Please check the stderr logs for more information.

I try to use command to open,it is available

### Reproduction Steps

1.run in iisexpress
2.the page show HTTP Error 500.30 - ASP.NET Core app failed to start

### Expected behavior

available in iisexpress

### Actual behavior

HTTP Error 500.30 - ASP.NET Core app failed to start

### Regression?

_No response_

### Known Workarounds

_No response_

### Configuration

_No response_

### Other information

_No response_