diff --git a/app/views/common/index.html.erb b/app/views/common/index.html.erb
index 5f0516c8..e833bafa 100644
--- a/app/views/common/index.html.erb
+++ b/app/views/common/index.html.erb
@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name="theme-color" content="#000000"><meta name="renderer" content="webkit"/><meta name="force-rendering" content="webkit"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><link rel="manifest" href="/manifest.json"><link rel="shortcut icon" href="/favicon.ico"><title>Educoder</title><script type="text/javascript">window.__isR=!0</script><link rel="stylesheet" href="/react/build/css/css_min_all.css"><link rel="stylesheet" href="/assets/iconfont/iconfont.css"><link href="/react/build/./static/css/main.e1b0d6a5.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="md_div" style="display:none"></div><div id="root" class="page -layout-v -fit"></div><div id="picture_display" style="display:none"></div><script type="text/javascript" src="/react/build/js/js_min_all.js"></script><script type="text/javascript" src="/assets/kindeditor/kindeditor.js"></script><script type="text/javascript" src="/react/build/js/create_kindeditor.js"></script><script type="text/javascript" src="/javascripts/educoder/edu_application.js"></script><script type="text/javascript" src="/react/build/./static/js/main.2211e110.js"></script></body></html>
\ No newline at end of file
+<!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name="theme-color" content="#000000"><meta name="renderer" content="webkit"/><meta name="force-rendering" content="webkit"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><link rel="manifest" href="/manifest.json"><link rel="shortcut icon" href="/favicon.ico"><title>Educoder</title><script type="text/javascript">window.__isR=!0</script><link rel="stylesheet" href="/react/build/css/css_min_all.css"><link rel="stylesheet" href="/assets/iconfont/iconfont.css"><link href="/react/build/./static/css/main.e1b0d6a5.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="md_div" style="display:none"></div><div id="root" class="page -layout-v -fit"></div><div id="picture_display" style="display:none"></div><script type="text/javascript" src="/react/build/js/js_min_all.js"></script><script type="text/javascript" src="/assets/kindeditor/kindeditor.js"></script><script type="text/javascript" src="/react/build/js/create_kindeditor.js"></script><script type="text/javascript" src="/javascripts/educoder/edu_application.js"></script><script type="text/javascript" src="/react/build/./static/js/main.994eab16.js"></script></body></html>
\ No newline at end of file
