diff --git a/404.html b/404.html
new file mode 100755
index 0000000000000000000000000000000000000000..5b1dfc47aff2d4a92c0eac7042a1780f0a7e695f
--- /dev/null
+++ b/404.html
@@ -0,0 +1,16 @@
+---
+title: 404
+layout: page
+permalink: /404.html 
+---
+
+<script language="JavaScript"> function myrefresh(){window.location="/";}setTimeout('myrefresh()',5000);</script>
+
+<h2> Error 404. Nothing was found :( </h2>
+<hr/>
+<p>This is not the correct link you are looking for.</p>
+
+<p>Please go to [homepage](/) or contact us: paddle-dev@baidu.com</p>
+
+<hr/>
+<h3>## The page will redirect to the homepage after 5 seconds.....</h3>
diff --git a/404.md b/404.md
deleted file mode 100755
index 7663b76b3bf224ef40181bf7463ec1deba9805d6..0000000000000000000000000000000000000000
--- a/404.md
+++ /dev/null
@@ -1,16 +0,0 @@
----
-title: 404
-layout: page
-permalink: /404.html 
----
-
-<script language="JavaScript"> function myrefresh(){window.location="/";}setTimeout('myrefresh()',5000);</script>
-
-## Error 404. Nothing was found :(   
-
-This is not the correct link you are looking for.
-
-Please go to [homepage](/) or contact us: paddle-dev@baidu.com
-
-
-## The page will redirect to the homepage after 5 seconds.....
\ No newline at end of file