problem description

the company"s project development uses a mac computer, while my own computer is Windows. The order used to run the project is to npm run build the wrong answer.

the environmental background of the problems and what methods you have tried

I have tried the official command writing, but it is still a supplementary line

related codes

/ / Please paste the code text below (do not replace the code with pictures)

   

 you can see that I run npm run build error "APP_ROOT"" is not an internal or external command, nor is it a runnable program 
 or batch file. After 
, did I run set APP_ROOT=$PWD/app/web&&umi build or make up the line to ask for a great solution