diff --git a/pqs-energy/energy-boot/src/main/java/com/njcn/energy/controller/StatisticDataRunController.java b/pqs-energy/energy-boot/src/main/java/com/njcn/energy/controller/StatisticDataRunController.java
index 125ac0c6c..fc0343b75 100644
--- a/pqs-energy/energy-boot/src/main/java/com/njcn/energy/controller/StatisticDataRunController.java
+++ b/pqs-energy/energy-boot/src/main/java/com/njcn/energy/controller/StatisticDataRunController.java
@@ -122,7 +122,7 @@ public class StatisticDataRunController {
                         hashMap.put(insertObj.get(j).get("LineId").toString(), insertObj.get(j));
                     }
                     hashMap.forEach((key, val) -> {
-                        Long t = (Long) val.get("time") * 1000 - 28800000;
+                        Long t = (Long) val.get("time") * 1000;
                         String tt = Instant.ofEpochMilli((Long) val.get("time") * 1000).toString();
                         String sqlQs = "delete from power_data_add_Real where time< '" + tt + "' and LineId ='" + key + "'";
                         influxDbUtils.deleteMeasurementData(sqlQs);