diff --git a/module/install/js/step4.js b/module/install/js/step4.js
new file mode 100644
index 0000000000..864d84cd63
--- /dev/null
+++ b/module/install/js/step4.js
@@ -0,0 +1,10 @@
+/**
+ * Show guide video.
+ *
+ * @access public
+ * @return void
+ */
+function showVideo()
+{
+    $('video').removeClass('hidden');
+}
diff --git a/module/install/lang/en.php b/module/install/lang/en.php
index 469a539bab..0499579150 100644
--- a/module/install/lang/en.php
+++ b/module/install/lang/en.php
@@ -43,6 +43,7 @@ EOT;
 global $config;
 $lang->install->introduction        = "Zentao {$this->config->version} Introduction";
 $lang->install->howToUse            = "How do you like to use ZenTao?";
+$lang->install->guideVideo          = 'https://dl.cnezsoft.com/vedio/zentaoconcepteng0716.mp4';
 $lang->install->introductionContent = <<<EOT
 <div>
   <h4>Welcome to %s</h4>
@@ -64,7 +65,7 @@ $lang->install->introductionContent = <<<EOT
   </div>
   <div class='text-center introduction-link'>
     <a href='https://dl.cnezsoft.com/zentao/zentaoconcept.pdf' target='_blank' class='btn btn-wide btn-info'><i class='icon icon-p-square'></i> Document of introduction</a>
-    <a href='https://dl.cnezsoft.com/vedio/zentaoconcepteng0716.mp4' target='_blank' class='btn btn-wide btn-info'><i class='icon icon-video-play'></i> Video of introduction</a>
+    <a href='javascript:showVideo()' class='btn btn-wide btn-info'><i class='icon icon-video-play'></i> Video of introduction</a>
   </div>
 </div>
 EOT;
diff --git a/module/install/lang/zh-cn.php b/module/install/lang/zh-cn.php
index 8fb6508bc1..43be01f082 100644
--- a/module/install/lang/zh-cn.php
+++ b/module/install/lang/zh-cn.php
@@ -40,9 +40,9 @@ $lang->install->links = <<<EOT
 您现在正在安装的版本是 <strong class='text-danger'>%s</strong>。
 EOT;
 
-global $config;
-$lang->install->introduction        = "禅道{$this->config->version}版本功能介绍";
+$lang->install->introduction        = "禅道15系列功能介绍";
 $lang->install->howToUse            = "请问您计划如何使用禅道的新版本呢";
+$lang->install->guideVideo          = 'https://dl.cnezsoft.com/vedio/program0716.mp4';
 $lang->install->introductionContent = <<<EOT
 <div>
   <h4>尊敬的用户您好，欢迎您使用禅道项目管理系统。</h4>
@@ -64,7 +64,7 @@ $lang->install->introductionContent = <<<EOT
   </div>
   <div class='text-center introduction-link'>
     <a href='https://dl.cnezsoft.com/zentao/zentaoconcept.pdf' target='_blank' class='btn btn-wide btn-info'><i class='icon icon-p-square'></i> 文档介绍</a>
-    <a href='https://dl.cnezsoft.com/vedio/program0716.mp4' target='_blank' class='btn btn-wide btn-info'><i class='icon icon-video-play'></i> 视频介绍</a>
+    <a href='javascript:showVideo()' class='btn btn-wide btn-info'><i class='icon icon-video-play'></i> 视频介绍</a>
   </div>
 </div>
 EOT;
diff --git a/module/install/view/step4.html.php b/module/install/view/step4.html.php
index b4f8c6a162..0f8b3d9523 100644
--- a/module/install/view/step4.html.php
+++ b/module/install/view/step4.html.php
@@ -17,6 +17,7 @@
       <h1 class='text-center'><?php echo $title;?></h1>
       <div class='panel-body'>
         <?php echo $lang->install->introductionContent;?>
+        <video class='hidden' src="<?php echo $lang->install->guideVideo;?>"  width="100%" controls ="controls"></video>
         <div class='text-center'>
           <h2><?php echo $lang->install->howToUse;?></h2>
           <?php $systemMode = isset($lang->upgrade->to15Mode['classic']) ? 'classic' : 'new';?>