diff --git a/ch5/ch5-04-1.md b/ch5/ch5-04-1.md
new file mode 100644
index 0000000..c55481e
--- /dev/null
+++ b/ch5/ch5-04-1.md
@@ -0,0 +1,3 @@
+### 5.4.1. 錯誤處理策略
+
+TODO
diff --git a/ch5/ch5-04-2.md b/ch5/ch5-04-2.md
new file mode 100644
index 0000000..08c12ba
--- /dev/null
+++ b/ch5/ch5-04-2.md
@@ -0,0 +1,3 @@
+### 5.4.2. 文件結尾（EOF）
+
+TODO
diff --git a/ch5/ch5-04.md b/ch5/ch5-04.md
index 1c65a74..f66d07f 100644
--- a/ch5/ch5-04.md
+++ b/ch5/ch5-04.md
@@ -1,3 +1,7 @@
 ## 5.4. 錯誤
 
 TODO
+
+{% include "./ch5-04-1.md" %}
+
+{% include "./ch5-04-1.md" %}