diff --git a/pkg/util/vhost/resource.go b/pkg/util/vhost/resource.go
index a65e2997..16a82641 100644
--- a/pkg/util/vhost/resource.go
+++ b/pkg/util/vhost/resource.go
@@ -29,24 +29,18 @@ var NotFoundPagePath = ""
 const (
 	NotFound = `<!DOCTYPE html>
 <html>
-<head>
-<title>Not Found</title>
-<style>
-    body {
-        width: 35em;
-        margin: 0 auto;
-        font-family: Tahoma, Verdana, Arial, sans-serif;
-    }
-</style>
-</head>
+<head><title>502 Bad Gateway</title></head>
 <body>
-<h1>The page you requested was not found.</h1>
-<p>Sorry, the page you are looking for is currently unavailable.<br/>
-Please try again later.</p>
-<p>The server is powered by <a href="https://github.com/fatedier/frp">frp</a>.</p>
-<p><em>Faithfully yours, frp.</em></p>
+<center><h1>502 Bad Gateway</h1></center>
+<hr><center>frp</center>
 </body>
 </html>
+<!-- a padding to disable MSIE and Chrome friendly error page -->
+<!-- a padding to disable MSIE and Chrome friendly error page -->
+<!-- a padding to disable MSIE and Chrome friendly error page -->
+<!-- a padding to disable MSIE and Chrome friendly error page -->
+<!-- a padding to disable MSIE and Chrome friendly error page -->
+<!-- a padding to disable MSIE and Chrome friendly error page -->
 `
 )
 
@@ -74,8 +68,8 @@ func NotFoundResponse() *http.Response {
 
 	content := getNotFoundPageContent()
 	res := &http.Response{
-		Status:        "Not Found",
-		StatusCode:    404,
+		Status:        "Bad Gateway",
+		StatusCode:    502,
 		Proto:         "HTTP/1.1",
 		ProtoMajor:    1,
 		ProtoMinor:    1,
