diff --git a/roles/check_system_static/tasks/main.yml b/roles/check_system_static/tasks/main.yml
index 54432335e..556c8b2b9 100644
--- a/roles/check_system_static/tasks/main.yml
+++ b/roles/check_system_static/tasks/main.yml
@@ -16,8 +16,8 @@
     msg: "System versions lower than Red Hat Enterprise Linux / CentOS 7.3 have been deprecated. Please use CentOS 7.3 and above. See https://github.com/pingcap/docs/blob/master/op-guide/recommendation.md"
   when:
     - ansible_os_family == 'RedHat'
-    - ansible_distribution != 'Amazon'
-    - ansible_distribution_version < '7.3'
+    - ansible_distribution in ['CentOS', 'RedHat']
+    - ansible_distribution_major_version != '7'
 
 - name: Deploy epollexclusive script
   copy: src="{{ script_dir }}/check/epollexclusive" dest="{{ deploy_dir }}/epollexclusive" mode=0755