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 b1daa1bf4..778ce2893 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
@@ -511,6 +511,7 @@ export default {
   selectRecordFirst: "Please select records first",
   subdomainHosted: "Hosted Subdomain",
   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 ",
+  subdomainHelpSupportStart: "Supports * wildcard, indicating that all subdomains of the domain are hosted (free subdomains)",
   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 d12f92ff6..09d501223 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
@@ -521,6 +521,7 @@ export default {
   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，以前设置过的cname记录也需要重新配置），可以参考文档",
+  subdomainHelpSupportStart: "支持*号通配符,表示该域名下的子域名都是托管的（免费子域名）",
   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/crud.tsx b/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/crud.tsx
index 6b1d39c1f..8e3544a64 100644
--- a/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/crud.tsx
+++ b/packages/ui/certd-client/src/views/certd/pipeline/sub-domain/crud.tsx
@@ -80,10 +80,13 @@ export default function ({ crudExpose, context }: CreateCrudOptionsProps): Creat
               render() {
                 return (
                   <div>
-                    {t("certd.subdomainHelpText")}
-                    <a href={"https://help.aliyun.com/zh/dns/subdomain-management"} target={"_blank"}>
-                      {t("certd.subdomainManagement")}
-                    </a>
+                    <div>
+                      1. {t("certd.subdomainHelpText")}
+                      <a href={"https://help.aliyun.com/zh/dns/subdomain-management"} target={"_blank"}>
+                        {t("certd.subdomainManagement")}
+                      </a>
+                    </div>
+                    <div>2. {t("certd.subdomainHelpSupportStart")}</div>
                   </div>
                 );
               },
diff --git a/packages/ui/certd-server/src/modules/pipeline/service/getter/sub-domain-getter.ts b/packages/ui/certd-server/src/modules/pipeline/service/getter/sub-domain-getter.ts
index 87092264e..a95a310b4 100644
--- a/packages/ui/certd-server/src/modules/pipeline/service/getter/sub-domain-getter.ts
+++ b/packages/ui/certd-server/src/modules/pipeline/service/getter/sub-domain-getter.ts
@@ -1,5 +1,5 @@
-import {ISubDomainsGetter} from "@certd/plugin-cert";
-import {SubDomainService} from "../sub-domain-service.js";
+import { ISubDomainsGetter } from "@certd/plugin-cert";
+import { SubDomainService } from "../sub-domain-service.js";
 import { DomainService } from "../../../cert/service/domain-service.js";
 
 export class SubDomainsGetter implements ISubDomainsGetter {
@@ -18,18 +18,39 @@ export class SubDomainsGetter implements ISubDomainsGetter {
   }
 
   async hasSubDomain(fullDomain: string) {
+    let arr = fullDomain.split(".")
     const subDomains = await this.getSubDomains()
-     if (subDomains && subDomains.length > 0) {
+    if (subDomains && subDomains.length > 0) {
       const fullDomainDot = "." + fullDomain;
       for (const subDomain of subDomains) {
         if (fullDomainDot.endsWith("." + subDomain)) {
           //找到子域名托管
           return subDomain;
         }
+
+        if (subDomain.startsWith("*.")) {
+          //如果子域名配置的是泛域名，说明这一层及以下的子域名都是托管的
+          //以fullDomain在这一层的子域名作为返回值
+          const nonStarDomain = subDomain.slice(1)
+          if (fullDomainDot.endsWith(nonStarDomain)) {
+            //提取fullDomain在这一层的子域名
+            const fullArr = arr.reverse()
+            const subArr = subDomain.split(".").reverse()
+            let strBuilder = ""
+            for (let i =0 ;i<subArr.length;i++) {
+              if (strBuilder) {
+                strBuilder = fullArr[i] + "." + strBuilder
+              } else {
+                strBuilder = fullArr[i]
+              }
+            }
+            return strBuilder
+          }
+        }
+
       }
     }
-    let arr = fullDomain.split(".")
-    while(arr.length>0){
+    while (arr.length > 0) {
       const subDomain = arr.join(".")
       const domain = await this.domainService.findOne({
         where: {
@@ -38,10 +59,10 @@ export class SubDomainsGetter implements ISubDomainsGetter {
           challengeType: "dns",
         }
       })
-      if(domain){
+      if (domain) {
         return subDomain
       }
-       arr = arr.slice(1)
+      arr = arr.slice(1)
     }
     return null
   }