Thank you for your answer Zhang.

the file:

#
# Template used to handle PHP fastcgi applications
#
# You still need to define `SCRIPT_FILENAME` for your PHP application, and
# probably `fastcgi_index` if your application use different index file.
#
include fastcgi_params;

# Directory index file
fastcgi_index index.php;

# Handle PHP files with upstream handler
fastcgi_pass php_workers;

# Fix the HTTPROXY issue.
# Reference: https://httpoxy.org/
fastcgi_param HTTP_PROXY '';