diff --git a/packages/ui/certd-server/src/plugins/plugin-tencent/plugin/deploy-to-clb/index.ts b/packages/ui/certd-server/src/plugins/plugin-tencent/plugin/deploy-to-clb/index.ts
index 4250d8f25..82fd2efee 100644
--- a/packages/ui/certd-server/src/plugins/plugin-tencent/plugin/deploy-to-clb/index.ts
+++ b/packages/ui/certd-server/src/plugins/plugin-tencent/plugin/deploy-to-clb/index.ts
@@ -246,6 +246,7 @@ export class DeployCertToTencentCLB extends AbstractTaskPlugin {
     if (typeof this.cert === 'string') {
       return {
         Certificate: {
+          SSLMode: 'UNIDIRECTIONAL', // 单向认证
           CertId: certId,
         },
         LoadBalancerId: this.loadBalancerId,