diff --git a/CSDN_Cleaner/CSDN_Cleaner.user.js b/CSDN_Cleaner/CSDN_Cleaner.user.js
new file mode 100644
index 0000000..1596df1
--- /dev/null
+++ b/CSDN_Cleaner/CSDN_Cleaner.user.js
@@ -0,0 +1,44 @@
+// ==UserScript==
+// @name         CSDN Cleaner
+// @namespace    http://tampermonkey.net/
+// @version      0.1
+// @description  try to take over the world!
+// @author       You
+// @match        https://blog.csdn.net/*
+// @icon         https://www.google.com/s2/favicons?domain=blog.csdn.net
+// @updateURL    https://code.newnius.com/snippets/Tampermonkey/raw/branch/master/CSDN_Cleaner/CSDN_Cleaner.user.js
+// @grant  GM_addStyle
+// @run-at document-start
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    // no sidebar
+    GM_addStyle('#asideHotArticle { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#asideCategory { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#asideNewComments { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#asideArchive { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#asideCustom { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#asidedirectory { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    GM_addStyle('#mainBox > main { margin-right: 13% !important; width: 80% !important; }');
+    // no auther card aside
+    GM_addStyle('aside.blog_container_aside { visibility: hidden !important; width: 0px !important; height: 0px !important }');
+    // no recommendations
+    GM_addStyle('.recommend-tit-mod { visibility: hidden !important; height: 0px !important; position: fixed !important; }');
+    GM_addStyle('.recommend-box { visibility: hidden !important; height: 0px !important; position: fixed !important; }');
+    GM_addStyle('.template-box { visibility: hidden !important; height: 0px !important; position: fixed !important; }');
+    GM_addStyle('.blog-footer-bottom { visibility: hidden !important; height: 0px !important; position: fixed !important; }');
+    //
+    // no ads
+    GM_addStyle('#dmp_ad_58 { visibility: hidden !important; height: 0px !important; }');
+    //
+    // no fixed bottom tool bar
+    GM_addStyle('#toolBarBox > .left-toolbox { position: relative !important; left: 0px !important; }');
+    // no fixed header
+    GM_addStyle('#csdn-toolbar { position: relative !important; }');
+    //
+    // enable select
+    GM_addStyle('#content_views { user-select: unset !important }');
+
+})();
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