diff --git a/bookwalker.md b/bookwalker.md
index 5b520f8..7aa05c9 100644
--- a/bookwalker.md
+++ b/bookwalker.md
@@ -52,6 +52,7 @@
 | 2021/12/19 | 85折 + 點數40倍 | 0.634 |
 | 2021/12/24 | 75折 | 0.75 |
 | 2022/01/01 | 點數45倍 | 0.690 |
+| 2022/01/05 | 88折 | 0.88 |
 
 重大變更
 ========