diff --git a/Coding/readme.md b/Coding/readme.md
index ab43049..4d5a4de 100644
--- a/Coding/readme.md
+++ b/Coding/readme.md
@@ -3,11 +3,12 @@
 <div>
 	
 ### 导航<a href=""></a>
+***
 #### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/C_Mooc/01%20Examples">C 慕课</a>
 #### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/C_Crash_Course/01%20Examples">C 入门到精通</a>
 #### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/Advanced_C">C 进阶</a>
-#### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/Advanced_C">《C 陷阱与缺陷》</a>
-#### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/Advanced_C">《C 专家编程》</a>
+#### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/C_Traps_and_Pitfalls">《C 陷阱与缺陷》</a>
+#### <a href="https://github.com/hairrrrr/C-CrashCourse/tree/master/Coding/Expert_C_Programming">《C 专家编程》</a>
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