diff --git a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/device/mapping/DeviceAbnormaStatisticsMapper.xml b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/device/mapping/DeviceAbnormaStatisticsMapper.xml
index ebaf682d8..f41c7e008 100644
--- a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/device/mapping/DeviceAbnormaStatisticsMapper.xml
+++ b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/device/mapping/DeviceAbnormaStatisticsMapper.xml
@@ -19,7 +19,7 @@
         ) VALUES
         <foreach collection="list" separator="," item="item">
             (
-            now(),
+            date_sub(now(), interval 1 day),
             #{item.devId},
             #{item.comOutCount},
             #{item.comOutDescription},