diff --git a/playbooks/31.deletcd.yml b/playbooks/31.deletcd.yml
index 818e030..beae40f 100644
--- a/playbooks/31.deletcd.yml
+++ b/playbooks/31.deletcd.yml
@@ -74,12 +74,8 @@
     # lineinfile is inadequate to delete lines between some specific line range
     - name: remove the etcd's node entry in hosts
       shell: 'sed -i "/^\[etcd/,/^\[kube_master/ {/^{{ ETCD_TO_DEL }}$/d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-      args:
-        warn: false
 
     # lineinfile is inadequate to delete lines between some specific line range
     - name: remove the etcd's node entry in hosts
       shell: 'sed -i "/^\[etcd/,/^\[kube_master/ {/^{{ ETCD_TO_DEL }} /d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-      args:
-        warn: false
     when: "groups['etcd']|length > 1 and ETCD_TO_DEL in groups['etcd']" 
diff --git a/playbooks/32.delnode.yml b/playbooks/32.delnode.yml
index e8d5309..bb4844b 100644
--- a/playbooks/32.delnode.yml
+++ b/playbooks/32.delnode.yml
@@ -48,11 +48,7 @@
   # lineinfile is inadequate to delete lines between some specific line range
   - name: remove the node's entry in hosts
     shell: 'sed -i "/^\[kube_node/,/^\[harbor/ {/^{{ NODE_TO_DEL }}$/d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-    args:
-      warn: false
 
   # lineinfile is inadequate to delete lines between some specific line range
   - name: remove the node's entry in hosts
     shell: 'sed -i "/^\[kube_node/,/^\[harbor/ {/^{{ NODE_TO_DEL }} /d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-    args:
-      warn: false
diff --git a/playbooks/33.delmaster.yml b/playbooks/33.delmaster.yml
index 7c57b97..1e69bfd 100644
--- a/playbooks/33.delmaster.yml
+++ b/playbooks/33.delmaster.yml
@@ -49,11 +49,7 @@
   # lineinfile is inadequate to delete lines between some specific line range
   - name: remove the master's entry in hosts
     shell: 'sed -i "/^\[kube_master/,/^\[harbor/ {/^{{ NODE_TO_DEL }}$/d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-    args:
-      warn: false
 
   # lineinfile is inadequate to delete lines between some specific line range
   - name: remove the master's entry in hosts
     shell: 'sed -i "/^\[kube_master/,/^\[harbor/ {/^{{ NODE_TO_DEL }} /d}" {{ base_dir }}/clusters/{{ CLUSTER }}/hosts'
-    args:
-      warn: false
diff --git a/roles/chrony/tasks/main.yml b/roles/chrony/tasks/main.yml
index 855e436..357d554 100644
--- a/roles/chrony/tasks/main.yml
+++ b/roles/chrony/tasks/main.yml
@@ -13,8 +13,6 @@
 - name: yum 卸载 ntp
   shell: 'yum remove -y ntp'
   when: 'ansible_distribution in ["CentOS","RedHat","Amazon","Aliyun"]'
-  args:
-      warn: false
   ignore_errors: true
 
 - name: 下载二进制文件chronyd
diff --git a/roles/clean/tasks/clean_node.yml b/roles/clean/tasks/clean_node.yml
index e64a4f1..bea9515 100644
--- a/roles/clean/tasks/clean_node.yml
+++ b/roles/clean/tasks/clean_node.yml
@@ -10,8 +10,6 @@
 
   - name: umount kubelet filesystems
     shell: "mount | grep '/var/lib/kubelet'| awk '{print $3}'|xargs umount || exit 0"
-    args:
-      warn: false
     ignore_errors: true
 
   - name: remove files and dirs of 'kube_node' nodes
@@ -50,20 +48,14 @@
   
         - name: umount docker filesystem-3
           shell: "echo /var/lib/docker/overlay2/*/merged|xargs umount || exit 0"
-          args:
-            warn: false
           ignore_errors: true
 
         - name: umount docker filesystem-4
           shell: "echo /var/lib/docker/containers/*/mounts/shm|xargs umount || exit 0"
-          args:
-            warn: false
           ignore_errors: true
 
         - name: umount docker filesystem-5
           shell: "echo /var/run/docker/netns/*|xargs umount || exit 0"
-          args:
-            warn: false
           ignore_errors: true
 
         - name: remove files and dirs
@@ -92,8 +84,6 @@
 
       - name: umount containerd filesystems
         shell: "mount | grep 'containerd/io.containerd'| awk '{print $3}'|xargs umount || exit 0"
-        args:
-          warn: false
         ignore_errors: true
 
       - name: remove files and dirs
diff --git a/roles/prepare/tasks/centos.yml b/roles/prepare/tasks/centos.yml
index a330c03..803b184 100644
--- a/roles/prepare/tasks/centos.yml
+++ b/roles/prepare/tasks/centos.yml
@@ -4,8 +4,6 @@
     - firewalld
     - python-firewall
     - firewalld-filesystem
-  args:
-      warn: false
   ignore_errors: true
 
 - name: 安装基础软件包