diff --git a/SUMMARY.md b/SUMMARY.md
index d898356..2aa9254 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -23,7 +23,7 @@
   - [匿名函数及闭包](chs/4.函数/4.3.匿名函数及闭包.md)
 * [复合数据类型(TODO)](chs/5.复合数据类型/readme.md)
   - [引用](chs/5.复合数据类型/5.1.引用.md)
-  - [数组(TODO)](chs/5.复合数据类型/5.2.数组.md)
+  - [数组](chs/5.复合数据类型/5.2.数组.md)
   - [切片(TODO)](chs/5.复合数据类型/5.3.切片.md)
 * [自定义类型(TODO)](chs/6.自定义类型/readme.md)
   - [结构体(TODO)](chs/6.自定义类型/6.1.结构体.md)