diff --git a/README.md b/README.md
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+++ b/README.md
@@ -31,7 +31,7 @@ C 语言详细教学。
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 <div>
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 ## 导航 Navigation 
 #### C 语言基础
  - <a href="#cmooc">01 C 慕课</a>
@@ -86,9 +86,9 @@ C 语言详细教学。
 9. 字符串
   -  [基础](https://mp.weixin.qq.com/s/FSQm1GroRFfnQDSCiKf5dg)
   - [常用字符串函数详解](https://mp.weixin.qq.com/s/CrInWDeD5k_XNvPzcgI06Q)
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+
 10. ACLLib的基本图形函数 
- 
+
  11. [结构类型（联合&枚举&结构）](http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483829&idx=1&sn=1e1420548b80bdd3d70ba1078fb29b70&chksm=9b51aa24ac262332a074bf0018e8ef4e2b4a7d732a57828714d0fcbddc9cb5fb2823427bc58b&scene=21#wechat_redirect)
 
 12. [程序结构](https://mp.weixin.qq.com/s/YLNJsWLhDyO7wxTqg-wShw)
@@ -110,14 +110,25 @@ C 语言详细教学。
 
 #### 适合人群：零基础入门，并且想精通C语言
 
+####  一  认识 C 语言
+
+- <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483843&idx=1&sn=6472d6f2bfd39d4907e6b857b7b0df95&chksm=9b51aa52ac262344189df3e80b258558260632dc4be379fe324900792e58e75b123f950f1245&scene=21#wechat_redirect">01 C 语言概述</a>
+
+#### 二  基本概念
+- <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483896&idx=1&sn=e994c80cba804adf59b4aa284d34168d&chksm=9b51aa69ac26237fa0944591978f64e074412312c8daca355de1c7bf40198c9035abb4b73e8d&scene=21#wechat_redirect">02 基本概念（上）</a>
+- <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483914&idx=1&sn=3a4e7c56344ba229fe1c346a7082f92f&chksm=9b51a99bac26208dd30f8fd630252d9ef246630482214242d97106058fd8d9a3a58efa217e2b&scene=21#wechat_redirect">03 基本概念（下）</a>
+
+#### 三  格式化输入输出
+
+- <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484101&idx=1&sn=f5d2bd63a580ed88487c07e4339ce889&chksm=9b51a954ac262042e5500703ce57d72db75b345383de55de61a942a5974f7661b7b491265cb6&scene=21#wechat_redirect">04 格式化输入/输出</a>
+
+#### 四  数据类型
+
+
+
+
 
- <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483843&idx=1&sn=6472d6f2bfd39d4907e6b857b7b0df95&chksm=9b51aa52ac262344189df3e80b258558260632dc4be379fe324900792e58e75b123f950f1245&scene=21#wechat_redirect">01 C语言概述</a>
- 
-<a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483896&idx=1&sn=e994c80cba804adf59b4aa284d34168d&chksm=9b51aa69ac26237fa0944591978f64e074412312c8daca355de1c7bf40198c9035abb4b73e8d&scene=21#wechat_redirect">02 基本概念（上）</a>
 
-<a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483914&idx=1&sn=3a4e7c56344ba229fe1c346a7082f92f&chksm=9b51a99bac26208dd30f8fd630252d9ef246630482214242d97106058fd8d9a3a58efa217e2b&scene=21#wechat_redirect">03 基本概念（下）</a>
- 
-<a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484101&idx=1&sn=f5d2bd63a580ed88487c07e4339ce889&chksm=9b51a954ac262042e5500703ce57d72db75b345383de55de61a942a5974f7661b7b491265cb6&scene=21#wechat_redirect">04 格式化输入/输出</a>
 
 <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484101&idx=2&sn=3cf5d4ff5c506cf95c40a5ad8f0c41fd&chksm=9b51a954ac26204249072758935b7778db1644f0055c874e81f82c716f9c24872ee505767b83&scene=21#wechat_redirect">05 数据类型</a>
 
@@ -139,13 +150,13 @@ C 语言详细教学。
  <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483926&idx=1&sn=fe52c5b341a4c1d0217730ba3b701bb6&chksm=9b51a987ac262091c4c442c4ce6aeafddd6817eefdc5735e0ff3225f85b0cb9617c74a08631b&scene=21#wechat_redirect">01 数据存储</a>
 
 <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247483941&idx=1&sn=de00219bee72cb8359492bdfb23f09ce&chksm=9b51a9b4ac2620a204daa3dd3e2109ce1f6008774d18be45d2e8816259b1ce5084be3331e569&scene=21#wechat_redirect">02 指针进阶 </a>
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 <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484040&idx=1&sn=25a1160599c122a40981e6b15108fd4d&chksm=9b51a919ac26200f6e5a7f9892d9a6fb335ce92dc81f90fff28f0666722538942721666610a7&scene=21#wechat_redirect">03 字符串函数与内存函数 </a>
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 <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484040&idx=2&sn=b0efd5aba03ee66785215f4962574e9a&chksm=9b51a919ac26200f2a66409f40198cb4a2e037c6e6ea44833890bd5d62f9705e1892f06cb3cf&scene=21#wechat_redirect">04 内存对齐 </a>
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 <a href="http://mp.weixin.qq.com/s?__biz=MzAxMDQwMzU4Mg==&mid=2247484055&idx=1&sn=7b650d73481e3a2053d4ff8ba22c599f&chksm=9b51a906ac262010c29630cae99a48ead4f097ceb54c963d9477cdb88e77e0553b077f431e9e&scene=21#wechat_redirect">05  动态内存管理</a>
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 <a href="#"> </a>
 
 
@@ -187,7 +198,7 @@ C 语言详细教学。
     <p><img width="320px" src="https://github.com/hairrrrr/C-CrashCourse/blob/master/img/QR%20Code/1.png"></img></p>
     学习英语关注她，一个四六级都过了的学姐：
     <p><img width="320px" src="https://github.com/hairrrrr/C-CrashCourse/blob/master/img/QR%20Code/0.jpg"></img></p>
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 </div>