diff --git a/scan.yml b/scan.yml
index 6b715ca..a94bc99 100644
--- a/scan.yml
+++ b/scan.yml
@@ -20,6 +20,7 @@
   # 163.172.0.0/24
   # 163.172.80.0/28 
     target_network: 163.172.91.0/24
+    target_port: 443
     # 163.172.0.0/20
     # 163.172.16.0/20
     # 163.172.31.0/20
@@ -60,7 +61,7 @@
     delegate_to: localhost
 
   - ansible.builtin.command:
-      cmd: "masscan {{ target_network }} -p443"
+      cmd: "masscan {{ target_network }} -{{ target_port }}"
     become: true
     register: scan_output
     # pause 
@@ -97,11 +98,13 @@
       reverse_dns_list: "{{ reverse_dns_list|default([]) + [item.stdout_lines | join(',')]}}"
     loop: "{{ reverse_dns.results }}"
 
+#! remove run once when network range > 24
 #! take time, can be better
   - ansible.builtin.file:
       path: "{{ playbook_dir }}/scan/https/{{ item.invocation.module_args.host.split('.')[0] }}/{{ item.invocation.module_args.host.split('.')[1] }}/"
       state: directory
     loop: "{{ cert.results }}"
+    run_once: true
     when: item.invocation is defined
 
 #! take time, can be better
@@ -112,6 +115,7 @@
       create: yes
     loop: "{{ cert.results }}"
     delegate_to: localhost
+    run_once: true
     when: item.invocation is defined
 
   - ansible.builtin.lineinfile: