diff --git a/bookwalker.md b/bookwalker.md
index fd24c5d..cb46601 100644
--- a/bookwalker.md
+++ b/bookwalker.md
@@ -75,6 +75,7 @@
 | 2022/04/28 | 點數40倍 | 0.714 |
 | 2022/05/03 | 88折 + 點數40倍 | 0.651 |
 | 2022/05/12 | 點數38倍 + 滿1500元折150元 | 0.671 |
+| 2022/05/19 | 7折 | 0.7 |
 
 重大變更
 ========