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 97100fe4..5b8fa86f 100644
--- a/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts
+++ b/packages/plugins/plugin-cert/src/plugin/cert-plugin/index.ts
@@ -541,7 +541,7 @@ export class CertApplyPlugin extends CertApplyBasePlugin {
       const mainDomain = await domainParser.parse(domain);
       const planSetting: DomainVerifyPlanInput = verifyPlanSetting[mainDomain];
       if (planSetting == null) {
-        throw new Error(`没有找到域名（${domain}）的校验计划`);
+        throw new Error(`没有找到域名（${domain}）的校验计划（如果您在流水线创建之后设置了子域名托管，需要重新编辑一下证书申请任务和cname记录的校验状态）`);
       }
       if (planSetting.type === "dns") {
         plan[domain] = await this.createDnsDomainVerifyPlan(planSetting, domain, mainDomain);
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 49fb9d13..e85e7693 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
@@ -461,7 +461,7 @@ 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，请不要随意设置，可能导致证书无法申请，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，以前设置过的cname记录也需要重新配置），可以参考文档",
   subdomainManagement: "子域管理",
   isDisabled: "是否禁用",
   enabled: "启用",