diff --git a/.gitignore b/.gitignore
index 7d170ae..282795d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ src/install/index.html
 src/install/module-install.php.bak
 src/a/*
 src/uploads/allimg/*
+src/.txt
diff --git a/src/dede/templets/login.htm b/src/dede/templets/login.htm
index 21ee205..47cf53f 100755
--- a/src/dede/templets/login.htm
+++ b/src/dede/templets/login.htm
@@ -49,7 +49,7 @@ function changeAuthCode() {
 	 </dl>
 	</form>
    </div>
-   <div class="login-power">Powered by<a href="http://www.dedecms.com" title="DedeCMS官网"><strong>DedeCMS<?php echo $cfg_version; ?></strong></a>&copy; 2004-2011 <a href="http://www.desdev.cn" target="_blank">DesDev</a> Inc.</div>
+   <div class="login-power">Powered by<a href="http://www.dedecms.com" title="DedeCMS官网"><strong>DedeCMS<?php echo $cfg_version; ?></strong></a>&copy; 2004-2020 <a href="http://www.desdev.cn" target="_blank">DesDev</a> Inc.</div>
 </div>
 <div class="dede-iframe"><iframe name="loginad" src="login.php?dopost=showad" frameborder="0" id="loginad" scrolling="no" marginwidth="0" marginheight="0" width="100%"></iframe></div>
 </body>
diff --git a/src/install/images/top-logo.png b/src/install/images/top-logo.png
index 8e39c06..3d7b5f9 100755
Binary files a/src/install/images/top-logo.png and b/src/install/images/top-logo.png differ
diff --git a/src/install/templates/step-1.html b/src/install/templates/step-1.html
index 206c018..28c2976 100755
--- a/src/install/templates/step-1.html
+++ b/src/install/templates/step-1.html
@@ -42,7 +42,7 @@
 	<div class="pright">
 		<div class="pr-title"><h3>阅读许可协议</h3></div>
 		<div class="pr-agreement">
-				<p>版权所有 (c)2003-2019，DedeCMS.com 保留所有权利。 </p>
+				<p>版权所有 (c)2003-2020，DedeCMS.com 保留所有权利。 </p>
 				<p>感谢您选择织梦内容管理系统（以下简称DedeCMS），DedeCMS是目前国内最强大、最稳定的中小型门户网站建设解决方案之一，基于 PHP + MySQL   的技术开发，全部源码开放。</p>
 				<p>DedeCMS 的官方网址是： <a href="http://www.dedecms.com" target="_blank">www.dedecms.com</a> 交流论坛：<a href="http://bbs.dedecms.com" target="_blank"> bbs.dedecms.com</a></p>
 				<p>为了使你正确并合法的使用本软件，请你在使用前务必阅读清楚下面的协议条款：</p>
diff --git a/src/install/templates/step-3.html b/src/install/templates/step-3.html
index 7c26aac..60af25c 100755
--- a/src/install/templates/step-3.html
+++ b/src/install/templates/step-3.html
@@ -46,6 +46,11 @@
         //$o('postloader').style.display = 'block';
         document.form1.submit();
     }
+
+    function randpwd() {
+        // >= IE8
+        document.querySelector("input[name='adminpwd']").value = Math.random().toString(36).slice(-8) + Math.random().toString(36).slice(-8);
+    }
 -->
 </script>
 <link href="style.css" rel="stylesheet" type="text/css" />
@@ -178,7 +183,7 @@
             </tr>
             <tr>
                 <td class="onetd"><strong>密　码：</strong></td>
-                <td><input name="adminpwd" type="text" value="admin" class="input-txt" /></td>
+                <td><input name="adminpwd" type="text" value="admin" class="input-txt" /><small>默认密码：admin，建议 <a href="javascript:randpwd();">手动生成</a></small></td>
             </tr>
             <tr>
                 <td class="onetd"><strong>Cookie加密码：</strong></td>