diff --git a/index.js b/index.js
index 8c14966..c3d0a5b 100644
--- a/index.js
+++ b/index.js
@@ -68,9 +68,7 @@ function createServer() {
   std.out(`尝试使用${port}端口...`)
   http
     .createServer(function (req, res) {
-      let pathname = parse(req.url)
-        .pathname.slice(1)
-        .replace(/[\/]+$/, '')
+      let pathname = parse(req.url).pathname.slice(1)
 
       pathname = decode(pathname) || 'index.html'
 
@@ -95,6 +93,7 @@ function createServer() {
       } else {
         res.setHeader('content-type', MIME_TYPES.html)
         res.setHeader('content-length', 0)
+        res.setHeader('x-url', file)
         res.writeHead(404, 'Not Found')
         res.end('')
       }
diff --git a/package.json b/package.json
index a9dfc41..8f6c4ef 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": "1.2.2",
+  "version": "1.2.3",
   "publisher": "yutent",
   "author": "Yutent [@yutent]",
   "icon": "logo.png",