From 6536baaef9e9f472eb996bc6395e31b0e23e021a Mon Sep 17 00:00:00 2001
From: Gea-Suan Lin <gslin@gslin.org>
Date: Mon, 22 Nov 2021 02:39:39 +0800
Subject: [PATCH] Add header.

---
 bookwalker.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bookwalker.md b/bookwalker.md
index c2c876e..0e508d3 100644
--- a/bookwalker.md
+++ b/bookwalker.md
@@ -1,3 +1,5 @@
+== 歷史資料 ==
+
 | 日期 | 優惠內容 | 最大優惠 |
 | ---- | -------- | -------- |
 | 2021/04/01 | 75折 + 滿1500元88折 | 0.66 |