PHP-FPM没有生成socket文件

[global]
pid = run/php-fpm.pid
error_log = log/php-fpm.log
log_level = notice

[www]
listen = /tmp/php-cgi-72.sock
listen.backlog = -1
listen.allowed_clients = 127.0.0.1
listen.owner = www
listen.group = www
listen.mode = 0666
user = www
group = www
pm = dynamic

pm.max_children = 100
pm.start_servers = 20
pm.min_spare_servers = 20
pm.max_spare_servers = 70
request_terminate_timeout = 100
request_slowlog_timeout = 30
slowlog = var/log/slow.log
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[root@VM_0_12_centos log]# tail /usr/local/php/var/log/php-fpm.log 
[06-Sep-2018 09:39:47] NOTICE: fpm is running, pid 407
[06-Sep-2018 09:39:47] NOTICE: ready to handle connections
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[root@hqidicom ~]# stat -c "%a %n" /tmp
1777 /tmp
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[root@hqidicom ~]# ps aux |grep php |grep master |awk '{print $NF}'
(/usr/local/php/etc/php-fpm.conf)
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find / -name "php-cgi-72.sock"
/tmp/systemd-private-c9e0943767bc4ef4b3cdb654063f3248-php-fpm.service-GRQqJq/tmp/php-cgi-72.sock
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systemctl stop php-fpm.service 
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systemctl daemon-reload 
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systemctl start php-fpm.service 
[root@hqidicom ~]# ls /tmp |grep php-cgi
php-cgi-72.sock
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