diff --git a/.gitignore b/.gitignore
index 794d7ec..d37dbd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,17 +6,12 @@ down/*
 bin/*
 !bin/readme.md
 
-# kube-dns controller
-manifests/kubedns/kubedns.yaml
-manifests/coredns/coredns.yaml
-
 # ansible hosts
 hosts
 
 # k8s storage manifests 
 manifests/storage/*
 !manifests/storage/test.yaml
-!manifests/storage/alicloud-nas/alicloud-disk.yaml
 
 # k8s backup directory
 roles/cluster-backup/files/*
diff --git a/22.upgrade.yml b/22.upgrade.yml
index f16190f..73552da 100644
--- a/22.upgrade.yml
+++ b/22.upgrade.yml
@@ -6,8 +6,6 @@
   - kube-master
   - kube-node
   - deploy
-  - etcd
-  - lb
   roles:
   - prepare
 
@@ -19,17 +17,23 @@
 # docker更新，为保证不中断业务，不自动重启docker服务
 - hosts:
   - kube-master
+  - new-master
   - kube-node
+  - new-node
   roles:
   - docker
 
 # 更新master节点
-- hosts: kube-master
+- hosts: 
+  - kube-master
+  - new-master
   roles:
   - kube-master
   - kube-node
 
 # 更新node节点
-- hosts: kube-node
+- hosts: 
+  - kube-node
+  - new-node
   roles:
   - { role: kube-node, when: "DEPLOY_MODE != 'allinone'" }
diff --git a/manifests/coredns/readme.md b/manifests/coredns/readme.md
deleted file mode 100644
index 10b2d90..0000000
--- a/manifests/coredns/readme.md
+++ /dev/null
@@ -1,6 +0,0 @@
-### 说明
-
-+ 本目录为k8s集群的插件 coredns的配置目录，初始为空目录
-+ 因coredns.yaml文件中参数(CLUSTER_DNS_SVC_IP, CLUSTER_DNS_DOMAIN)根据hosts文件设置而定，需要使用ansible template模块替换参数后生成
-+ 运行 `ansible-playbook 07.cluster-addon.yml`后会生成该目录下的coredns.yaml 文件
-+ coredns.yaml [模板文件](../../roles/cluster-addon/templates/coredns.yaml.j2)
diff --git a/manifests/kubedns/readme.md b/manifests/kubedns/readme.md
deleted file mode 100644
index f1f21d0..0000000
--- a/manifests/kubedns/readme.md
+++ /dev/null
@@ -1,6 +0,0 @@
-### 说明
-
-+ 本目录为k8s集群的插件 kubedns的配置目录，初始为空目录
-+ 因kubedns.yaml文件中参数(CLUSTER_DNS_SVC_IP, CLUSTER_DNS_DOMAIN)根据hosts文件设置而定，需要使用ansible template模块替换参数后生成
-+ 运行 `ansible-playbook 07.cluster-addon.yml`后会生成该目录下的kubedns.yaml 文件
-+ kubedns.yaml [模板文件](../../roles/cluster-addon/templates/kubedns.yaml.j2)