diff --git a/packages/ui/certd-server/src/modules/cname/service/cname-provider-service.ts b/packages/ui/certd-server/src/modules/cname/service/cname-provider-service.ts
index feec8ef9..354bc5a1 100644
--- a/packages/ui/certd-server/src/modules/cname/service/cname-provider-service.ts
+++ b/packages/ui/certd-server/src/modules/cname/service/cname-provider-service.ts
@@ -85,7 +85,10 @@ export class CnameProviderService extends BaseService<CnameProviderEntity> {
     if (founds && founds.length > 0) {
       return founds[0];
     }
-    return CommonProviders[0] as CnameProviderEntity;
+    if (CommonProviders.length > 0) {
+      return CommonProviders[0] as CnameProviderEntity;
+    }
+    return null;
   }
 
   async list(req: ListReq): Promise<any[]> {
diff --git a/packages/ui/certd-server/src/modules/cname/service/common-provider.ts b/packages/ui/certd-server/src/modules/cname/service/common-provider.ts
index fb0f987b..9752b9d8 100644
--- a/packages/ui/certd-server/src/modules/cname/service/common-provider.ts
+++ b/packages/ui/certd-server/src/modules/cname/service/common-provider.ts
@@ -7,11 +7,11 @@ export type CnameProvider = {
   title: string;
 };
 export const CommonProviders = [
-  {
-    id: -1,
-    domain: 'cname.certd.com.cn',
-    title: '公共CNAME服务',
-  },
+  // {
+  //   id: -1,
+  //   domain: 'cname.certd.com.cn',
+  //   title: '公共CNAME服务',
+  // },
 ];
 
 export class CommonDnsProvider implements IDnsProvider {