diff --git a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
index acc2eb02..88b58a97 100644
--- a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
+++ b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
@@ -476,11 +476,10 @@ private VideoController videoController;
                 // 保留两位小数
                 double formatValue = Double.parseDouble(decimalFormat.format(parsedValue));
                 // 汇总每个小时的数据
-                deviceHourlyAggregates.merge(key, formatValue, Double::sum);
-            }
+                deviceHourlyAggregates.merge(key, formatValue, (oldVal, newVal) -> Double.parseDouble(decimalFormat.format(oldVal + newVal)));            }
 // 将设备的数据合并到所有设备的汇总数据中
             for (String key : deviceHourlyAggregates.keySet()) {
-                allDevicesHourlyAggregates.merge(key, deviceHourlyAggregates.get(key), Double::sum);
+                allDevicesHourlyAggregates.merge(key, deviceHourlyAggregates.get(key), (oldVal, newVal) -> Double.parseDouble(decimalFormat.format(oldVal + newVal)));
             }
 
         }
@@ -524,8 +523,8 @@ private VideoController videoController;
 
                     double value2 = Double.parseDouble(valueWithoutUnit);
                     double value = Double.parseDouble(decimalFormat.format(value2));
-
-                    attributeMap.merge(property, value, (oldVal, newVal) -> oldVal + newVal);
+                    // 在合并时重新应用格式化
+                    attributeMap.merge(property, value, (oldVal, newVal) -> Double.parseDouble(decimalFormat.format(oldVal + newVal)));
                 }
             }
         }