phpStudy4IIS How to specify the application pool specified in IIS6.0 ???

Question

phpStudy4IIS How to specify the application pool specified in IIS6.0, such as app_test2. Now the default DefaultAppPool is called. There is a problem with this application pool.

I am now debugging multiple points, creating a new site, and all configurations are restored to the initial state, which is very troublesome.

##