diff --git a/README.md b/README.md
index e7fe5e1..b4dcd56 100644
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@@ -2,7 +2,7 @@
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 	<h1>Navigation-Learning：一个本科生的导航学习笔记</h1>
         <strong>
-            <p>👇👇👇&nbsp;&nbsp;
+            <p>👉👉👉&nbsp;&nbsp;
         <a href="#contents">内容简介</a>|
         <a href="#Project">开源项目</a>|
         <a href="#Website">相关网址</a>|
@@ -10,7 +10,7 @@
         <a href="#Books">推荐书籍</a>|
         <a href="#Conference">学术讲座</a>|
         <a href="#End">联系方式</a>&nbsp;&nbsp;
-        👇👇👇</p>
+        👈👈👈</p>
   	</strong>
     <img alt="Static Badge" src="https://img.shields.io/badge/QQ-1482275402-red">
     <img alt="Static Badge" src="https://img.shields.io/badge/%E5%BE%AE%E4%BF%A1-lizhengxiao99-green">
@@ -18,6 +18,7 @@
     <a href="https://blog.csdn.net/daoge2666/"><img src="https://img.shields.io/badge/CSDN-论坛-c32136" /></a>
 </div>
 
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