diff --git a/bookmarks.xbel b/bookmarks.xbel
index b5e89a0..d7c3c9c 100755
--- a/bookmarks.xbel
+++ b/bookmarks.xbel
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE xbel PUBLIC "+//IDN python.org//DTD XML Bookmark Exchange Language 1.0//EN//XML" "http://pyxml.sourceforge.net/topics/dtds/xbel.dtd">
 <xbel version="1.0">
-<!--- highestId :1030: for Floccus bookmark sync browser extension -->
+<!--- highestId :1031: for Floccus bookmark sync browser extension -->
 
 <folder id="1">
   <title>游戏</title>
@@ -3086,5 +3086,8 @@
   <bookmark href="http://www.52wusun.com/" id="1030">
     <title>我爱无损音乐网 - 320K_无损高品质音乐下载</title>
   </bookmark>
+  <bookmark href="https://zerowidth.com/2013/a-visual-explanation-of-jump-point-search/" id="1031">
+    <title>zerowidth positive lookahead | A Visual Explanation of Jump Point Search</title>
+  </bookmark>
 </folder>
 </xbel>
\ No newline at end of file