diff --git a/bookwalker.md b/bookwalker.md
index 865dd1c..edd5ae9 100644
--- a/bookwalker.md
+++ b/bookwalker.md
@@ -91,7 +91,7 @@
 | 2021/10/05 | 滿1000元88折 | 0.88 | |
 | 2021/10/02 | 點數35倍 | 0.741 | |
 | 2021/09/29 | 75折 + 滿1500折200 | 0.65 | |
-| 2021/09/25 | 85折 + 點數35倍 | 0.771 | |
+| 2021/09/25 | 85折 + 點數35倍 | 0.655 | |
 | 2021/09/19 | 點數30倍 | 0.769 | |
 | 2021/09/14 | 79折 + 點數20倍 | 0.682 | |
 | 2021/09/09 | 點數30倍 + 滿1500元送150點 | 0.714 | |