diff --git a/server.js b/server.js
index 7ef7bd8..84addd5 100644
--- a/server.js
+++ b/server.js
@@ -72,7 +72,7 @@ async function init(){  /*** 设置全局对象 ***/
   const express=require('express')
   const server = express()
 
-  const greenlock = (wo.Config.sslType === 'greenlock') ? require('greenlock-express').create({
+  const greenlock = (['https', 'httpall'].indexOf(wo.Config.protocol)>=0 && wo.Config.sslType === 'greenlock') ? require('greenlock-express').create({
     version: 'draft-11',
     server: 'https://acme-v02.api.letsencrypt.org/directory', // for test: acme-staging-v02
     agreeTos: true,