diff --git a/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts b/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts
index d9c8c7ee1..5c478da22 100644
--- a/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts
+++ b/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts
@@ -101,7 +101,7 @@ export class CertApplyPlugin extends CertApplyBasePlugin {
       name: "domains-verify-plan-editor",
     },
     required: true,
-    helper: "如果选择CNAME方式，请按照上面的显示，给域名添加CNAME记录",
+    helper: "如果选择CNAME方式，请按照上面的显示，给域名添加CNAME记录，添加后，点击验证，验证成功后不要删除记录，申请和续期证书会一直用它",
     col: {
       span: 24,
     },
diff --git a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-record-info.vue b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-record-info.vue
index 55b646da2..50e16f691 100644
--- a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-record-info.vue
+++ b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-record-info.vue
@@ -15,6 +15,7 @@
       </td>
       <td class="center">
         <a-button v-if="cnameRecord.status !== 'valid'" type="primary" size="small" :loading="loading" @click="doVerify">点击验证</a-button>
+        <div v-else class="helper">不要删除CNAME</div>
       </td>
     </tr>
   </tbody>
diff --git a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-verify-plan.vue b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-verify-plan.vue
index 12da56103..5b573b0b8 100644
--- a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-verify-plan.vue
+++ b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/cname-verify-plan.vue
@@ -3,9 +3,9 @@
     <thead>
       <tr>
         <td style="width: 160px">主机记录</td>
-        <td style="width: 250px">请设置CNAME记录（设置以后不要删除）</td>
+        <td style="width: 250px">请设置CNAME记录（验证成功以后不要删除）</td>
         <td style="width: 120px" class="center">状态</td>
-        <td style="width: 80px" class="center">验证</td>
+        <td style="width: 80px" class="center">操作</td>
       </tr>
     </thead>
     <template v-for="key in domains" :key="key">
diff --git a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/index.vue b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/index.vue
index 681c1320d..5e5faad1b 100644
--- a/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/index.vue
+++ b/packages/ui/certd-client/src/components/plugins/cert/domains-verify-plan-editor/index.vue
@@ -230,8 +230,10 @@ watch(
     height: 100%;
     background-color: rgba(74, 74, 74, 0.78);
     z-index: 1000;
-    padding: 100px;
     margin: auto;
+    display: flex;
+    justify-content: center;
+    align-items: center;
     .plan-wrapper {
       width: 1400px;
       margin: auto;