diff --git a/transport/internet/websocket/dialer.html b/transport/internet/websocket/dialer.html
index bbeaec0cf..c141379da 100644
--- a/transport/internet/websocket/dialer.html
+++ b/transport/internet/websocket/dialer.html
@@ -3,53 +3,53 @@
 <head>
 	<title>Browser Dialer</title>
 </head>
-<body></body>
-<script>
-	// Copyright (c) 2021 XRAY. Mozilla Public License 2.0.
-	var url = "ws://" + window.location.host + "/websocket"
-	var count = 0
-	setInterval(check, 1000)
-	function check() {
-		if (count <= 0) {
-			count += 1
-			console.log("Prepare", url)
-			var ws = new WebSocket(url)
-			var wss = undefined
-			var first = true
-			ws.onmessage = function (event) {
-				if (first) {
-					first = false
-					count -= 1
-					var arr = event.data.split(" ")
-					console.log("Dial", arr[0], arr[1])
-					wss = new WebSocket(arr[0], arr[1])
-					var opened = false
-					wss.onopen = function (event) {
-						opened = true
-						ws.send("ok")
-					}
-					wss.onmessage = function (event) {
-						ws.send(event.data)
-					}
-					wss.onclose = function (event) {
-						ws.close()
-					}
-					wss.onerror = function (event) {
-						!opened && ws.send("fail")
-						wss.close()
-					}
-					check()
-				} else wss.send(event.data)
-			}
-			ws.onclose = function (event) {
-				if (first) count -= 1
-				else wss.close()
-			}
-			ws.onerror = function (event) {
-				ws.close()
+<body>
+	<script>
+		// Copyright (c) 2021 XRAY. Mozilla Public License 2.0.
+		var url = "ws://" + window.location.host + "/websocket"
+		var count = 0
+		setInterval(check, 1000)
+		function check() {
+			if (count <= 0) {
+				count += 1
+				console.log("Prepare", url)
+				var ws = new WebSocket(url)
+				var wss = undefined
+				var first = true
+				ws.onmessage = function (event) {
+					if (first) {
+						first = false
+						count -= 1
+						var arr = event.data.split(" ")
+						console.log("Dial", arr[0], arr[1])
+						wss = new WebSocket(arr[0], arr[1])
+						var opened = false
+						wss.onopen = function (event) {
+							opened = true
+							ws.send("ok")
+						}
+						wss.onmessage = function (event) {
+							ws.send(event.data)
+						}
+						wss.onclose = function (event) {
+							ws.close()
+						}
+						wss.onerror = function (event) {
+							!opened && ws.send("fail")
+							wss.close()
+						}
+						check()
+					} else wss.send(event.data)
+				}
+				ws.onclose = function (event) {
+					if (first) count -= 1
+					else wss.close()
+				}
+				ws.onerror = function (event) {
+					ws.close()
+				}
 			}
 		}
-	}
-</script>
+	</script>
 </body>
 </html>
