diff --git a/docs/Computer Science/Algorithm/03 Trees.md b/docs/Computer Science/Algorithm/03 Trees.md
new file mode 100644
index 0000000..bb58bc6
--- /dev/null
+++ b/docs/Computer Science/Algorithm/03 Trees.md	
@@ -0,0 +1,2 @@
+# Trees
+
diff --git a/docs/Computer Science/Algorithm/tmp.md b/docs/Computer Science/Algorithm/05 Hash.md
similarity index 99%
rename from docs/Computer Science/Algorithm/tmp.md
rename to docs/Computer Science/Algorithm/05 Hash.md
index 44729be..70297c9 100644
--- a/docs/Computer Science/Algorithm/tmp.md	
+++ b/docs/Computer Science/Algorithm/05 Hash.md	
@@ -54,8 +54,3 @@
 - 单向性：无法通过哈希值反推出有关输入数据的任何信息。
 - 抗碰撞性：应该很难找到两个不同的输入，使得它们的哈希值相同。
 - 雪崩效应：输入的微小变化都应当导致输出的显著的不可预测的变化。
-
-
-
-## 树
-
diff --git a/mkdocs.yml b/mkdocs.yml
index 2a5d24e..a3f56d9 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -134,6 +134,8 @@ nav:
       - Computer Science/Algorithm/Algorithms and Data Structure.md
       - Algorithm Analysis: Computer Science/Algorithm/01 Algorithm Analysis.md
       - Linear List: Computer Science/Algorithm/02 Linear List.md
+      - Trees: Computer Science/Algorithm/03 Trees.md
+      - Hash: Computer Science/Algorithm/05 Hash.md
     - System:
       - Computer Science/System/index.md
       - Assembly: Computer Science/System/Assembly.md