Why do I need to enter the variable name when using the pathinfo method to access, but the teacher does not need to enter the variable name?

Question

Why do I need to enter the variable name when using the pathinfo method to access, but the teacher does not need to enter the variable name http://tp5.com/index/demo/jia/n/20/m/10

Answer 1

Set this url_param_type = 1

Answer 2

Me too

Answer 3

I also have this problem, same question

Answer 4

。。。