From d019d8f7559502d00444fc7373718a7b731ae79e Mon Sep 17 00:00:00 2001
From: leiguoqiang1818 <274764936@qq.com>
Date: Mon, 24 Feb 2020 00:19:53 +0800
Subject: [PATCH] Update README.md

---
 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 09fdd0d..dae89b3 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # handwriting
 原笔迹钢笔、毛笔、橡皮擦等手写效果开源项目，包含详细的实现原理，技术支持：手机（微信）18613980569
-![](http://www.baidu.com/img/bdlogo.gif)  
+
+>数据结构  
+>>树  
+>>>二叉树  
+>>>>平衡二叉树  
+>>>>>满二叉树  
-- 
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