diff --git a/tree2book.md b/tree2book.md
index ee8e147bdfc6afa29f38c0fc74c8063d35299281..3d742bb9e3368e76fe40b6a4e553d2cb0e8dc152 100644
--- a/tree2book.md
+++ b/tree2book.md
@@ -1,14 +1,14 @@
 # 2. MySQL 中阶
 
-## 2.2. 查询
+## 2.2. 查询进阶
 
 ### 2.2.1 别名
 
 13.8
 
-### 2.2.2 WHERE
+### 2.2.2 BETWEEN
 
-13.3.1
+13.3.5
 
 ### 2.2.3 CASE