diff --git a/packages/ui/certd-client/src/locales/langs/en-US/certd.ts b/packages/ui/certd-client/src/locales/langs/en-US/certd.ts
index 351bb5e6..46092f9b 100644
--- a/packages/ui/certd-client/src/locales/langs/en-US/certd.ts
+++ b/packages/ui/certd-client/src/locales/langs/en-US/certd.ts
@@ -449,7 +449,7 @@ export default {
   batchDeleteConfirm: "Are you sure to batch delete these {count} records?",
   selectRecordFirst: "Please select records first",
   subdomainHosted: "Hosted Subdomain",
-  subdomainHelpText: "If you don't understand what subdomain hosting is, please refer to the documentation ",
+  subdomainHelpText: "If you don't understand what subdomain hosting is,Do not set it randomly, as it may result in the inability to apply for the certificate. please refer to the documentation ",
   subdomainManagement: "Subdomain Management",
   isDisabled: "Is Disabled",
   enabled: "Enabled",
diff --git a/packages/ui/certd-client/src/locales/langs/zh-CN/certd.ts b/packages/ui/certd-client/src/locales/langs/zh-CN/certd.ts
index c32ac8d7..96301817 100644
--- a/packages/ui/certd-client/src/locales/langs/zh-CN/certd.ts
+++ b/packages/ui/certd-client/src/locales/langs/zh-CN/certd.ts
@@ -455,7 +455,7 @@ export default {
   batchDeleteConfirm: "确定要批量删除这{count}条记录吗",
   selectRecordFirst: "请先勾选记录",
   subdomainHosted: "托管的子域名",
-  subdomainHelpText: "如果您不理解什么是子域托管，可以参考文档",
+  subdomainHelpText: "如果您不理解什么是子域托管，请不要随意设置，可能导致证书无法申请，可以参考文档",
   subdomainManagement: "子域管理",
   isDisabled: "是否禁用",
   enabled: "启用",
diff --git a/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/index.vue b/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/index.vue
index d9931289..e620823b 100644
--- a/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/index.vue
+++ b/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/index.vue
@@ -3,7 +3,12 @@
     <template #header>
       <div class="title">
         {{ t("certd.subdomainHosting") }}
-        <span class="sub">{{ t("certd.subdomainHostingHint") }}</span>
+        <span class="sub">
+          {{ t("certd.subdomainHostingHint") }}； {{ t("certd.subdomainHelpText") }}
+          <a href="https://help.aliyun.com/zh/dns/subdomain-management" target="_blank">
+            {{ t("certd.subdomainManagement") }}
+          </a>
+        </span>
       </div>
     </template>
     <fs-crud ref="crudRef" v-bind="crudBinding">