diff --git a/rtty.gif b/rtty.gif
index ddc8937..2aaa3a3 100755
Binary files a/rtty.gif and b/rtty.gif differ
diff --git a/server/www/css/app.css b/server/www/css/app.css
index f8e29b2..356e74f 100755
--- a/server/www/css/app.css
+++ b/server/www/css/app.css
@@ -7,7 +7,7 @@ html {
 }
 
 body {
-	height: 98%;
+	height: 97%;
 }
 
 #box {
@@ -55,42 +55,11 @@ body {
     cursor: pointer;
 }
 
-.copyright {
-	left:50%;
-	margin: -300px 0 10px -300px;
-    width: 600px;
-	position: fixed;
-	bottom: 40px;
-	text-align: center;
-}
-
-.copyright2 {
-	left:80%;
-	margin: -300px 0 10px -300px;
-    width: 600px;
-	position: fixed;
-	bottom: -2px;
-	text-align: center;
-}
-
 a:hover {
 	color: #fff;
     text-shadow:0 0 10px;
 }
 
 #terminal-container {
-	height: 96%;
-	margin-top: 10px;
-}
-
-.upfile iframe {
-	display:none;
-}
-
-.upfile #fileForm {
-	display:none;
-}
-
-.upfile #uploadmsg {
-	color: white;
+	height: 100%;
 }
\ No newline at end of file
diff --git a/server/www/rtty.html b/server/www/rtty.html
index add4d0e..8df924c 100755
--- a/server/www/rtty.html
+++ b/server/www/rtty.html
@@ -18,7 +18,6 @@
 		<button id="connect" class="btn" type="button">Connect</button>
     </div>
 	<div id="terminal-container"></div>
-	<h1 id="copyright" class="copyright"><font color="white">Copyright © 2018 </font><a href="https://github.com/zhaojh329/rtty" target="_black">zhaojh329 Github</a></h1>
 	<script>
 		var ws;
 		var term;
@@ -44,8 +43,6 @@
 					});
 					
 					term.fit();
-					
-					$('#copyright').removeClass('copyright').addClass('copyright2');
 				});
 				
 				ws.onmessage = function(evt) {
@@ -68,7 +65,6 @@
 				
 				ws.onclose = function () {
 					term.destroy();
-					$('#copyright').removeClass('copyright2').addClass('copyright');
 				};
 			};
 		}