php - Symfony 2 doesn't generate web/bundle/framework structure -

i have huge problem symfony. installed symfony 2.7.5 command line:

$ symfony new my_project 

but main problem project generated correctly exception of directory: /web/bundle

so have in folder 2 empty files (not catalogues!) 0 kb size: framework , sensiodistribution. means symfony error pages haven't css style , ugly.

screens:

my local folder:

and

error page:

what should do?

command:

$ app/console assets:install 

populated catalogue , solution of problem.