diff --git a/bookwalker.md b/bookwalker.md
index af378e2..6e168c7 100644
--- a/bookwalker.md
+++ b/bookwalker.md
@@ -79,6 +79,7 @@
 | 2022/05/29 | 9折 + 點數35倍 + 滿1200元折100元 | 0.640 |
 | 2022/06/03 | 88折 + 點數35倍 | 0.673 |
 | 2022/06/10 | 點數40倍 + 滿1500元送150點 | 0.667 |
+| 2022/06/16 | 1本8折 + 5本75折 | 0.75 |
 
 重大變更
 ========