diff --git a/mkdocs.yml b/mkdocs.yml
index d52f01d37..aa57e0942 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -166,7 +166,8 @@ nav:
     - 8.1. 堆（Heap）: chapter_heap/heap.md
   - 9. 图:
     - 9.1. 图（Graph）: chapter_graph/graph.md
-    - 9.2. 图基础操作: chapter_graph/graph_operations.md 
+    - 9.2. 图基础操作: chapter_graph/graph_operations.md
+    - 9.3. 图的遍历: chapter_graph/graph_traversal.md
   - 10. 查找算法:
     - 10.1. 线性查找: chapter_searching/linear_search.md
     - 10.2. 二分查找: chapter_searching/binary_search.md