diff --git a/playbook.yml b/playbook.yml
index 0bf8bb3..890e0f7 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -9,6 +9,7 @@
   hosts: localhost
   connection: local
   gather_facts: true
+  become: false
   tags: [install, update, export]
   tasks:
     - name: Generate global index.html and open in browser
diff --git a/roles/hysteria2/tasks/export.yml b/roles/hysteria2/tasks/export.yml
index 5f1b739..4f51c57 100644
--- a/roles/hysteria2/tasks/export.yml
+++ b/roles/hysteria2/tasks/export.yml
@@ -52,7 +52,7 @@
     dest: "{{ hysteria2_output_dir }}/{{ hysteria2_output_name }}/index.html"
     mode: "0644"
   vars:
-    generated_at: "{{ ansible_date_time.date }} {{ ansible_date_time.time }}"
+    generated_at: "{{ now(utc=false, fmt='%Y-%m-%d %H:%M:%S') }}"
   delegate_to: localhost
   become: false
 
diff --git a/roles/hysteria2/tasks/export_global.yml b/roles/hysteria2/tasks/export_global.yml
index baea209..bdcdc40 100644
--- a/roles/hysteria2/tasks/export_global.yml
+++ b/roles/hysteria2/tasks/export_global.yml
@@ -49,7 +49,7 @@
     dest: "{{ hysteria2_output_dir }}/index.html"
     mode: "0644"
   vars:
-    generated_at: "{{ ansible_date_time.date }} {{ ansible_date_time.time }}"
+    generated_at: "{{ now(utc=false, fmt='%Y-%m-%d %H:%M:%S') }}"
     total_users: "{{ hysteria2_global_servers | map(attribute='users') | map('length') | sum }}"
   when: hysteria2_global_servers | default([]) | length > 0
   become: false
@@ -60,7 +60,7 @@
   when:
     - hysteria2_open_browser | bool
     - hysteria2_global_servers | default([]) | length > 0
-    - ansible_system == 'Darwin'
+    - ansible_facts['system'] == 'Darwin'
   changed_when: false
   become: false
 
@@ -70,7 +70,7 @@
   when:
     - hysteria2_open_browser | bool
     - hysteria2_global_servers | default([]) | length > 0
-    - ansible_system == 'Linux'
+    - ansible_facts['system'] == 'Linux'
   changed_when: false
   become: false
   failed_when: false