diff --git a/index.js b/index.js
index dad53fd..56e94d2 100644
--- a/index.js
+++ b/index.js
@@ -67,7 +67,7 @@ std.out = function (...args) {
 const HMR_SCRIPT = `
 <script>
 !(function http_hmr(){
-  var ws = new WebSocket(\`ws://\${location.host}/ws-http-hmr\`)
+  var ws = new WebSocket(\`\${location.protocol === 'https:' ? 'wss' : 'ws'}://\${location.host}/ws-http-hmr\`)
   ws.addEventListener('open', function (r) {
     if(http_hmr.closed){
       delete http_hmr.closed
diff --git a/package.json b/package.json
index 5b9046b..6378e94 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "simple-http",
   "displayName": "simple http",
   "description": "🔥 简单的http服务器, 方便临时调试html",
-  "version": "1.5.1",
+  "version": "1.5.2",
   "publisher": "yutent",
   "author": "Yutent [@yutent]",
   "icon": "logo.png",