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 81eb058c..e5d25f7b 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
@@ -455,10 +455,12 @@ public class DcDeviceController extends BaseController {
                         calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH) + 1,
                         calendar.get(Calendar.DAY_OF_MONTH), hour);
 
-//转换为 double 类型，去除单位
+      //转换为 double 类型，去除单位
                 String valueWithoutUnit = formatValueStr.replaceAll("[^\\d.]", "");
-                double formatValue = Double.parseDouble(decimalFormat.format(valueWithoutUnit));
-
+              //  double formatValue = Double.parseDouble(valueWithoutUnit);
+                double parsedValue = Double.parseDouble(valueWithoutUnit);
+                // 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);
             }
@@ -505,7 +507,10 @@ public class DcDeviceController extends BaseController {
                     String property = data.get("property").getAsString();
                     String formatValueStr = data.get("formatValue").getAsString();
                     String valueWithoutUnit = formatValueStr.replaceAll("[^\\d.]", "");
-                    double value = Double.parseDouble(decimalFormat.format(valueWithoutUnit));
+
+                    double value2 = Double.parseDouble(valueWithoutUnit);
+                    double value = Double.parseDouble(decimalFormat.format(value2));
+
                     attributeMap.merge(property, value, (oldVal, newVal) -> oldVal + newVal);
                 }
             }
@@ -897,8 +902,26 @@ public class DcDeviceController extends BaseController {
 
                     //获取要回滚的数据
                     JSONObject mdJSONObject = (JSONObject) JSON.toJSON(getDeviceLatestProperty(iotDeviceId, UniversalEnum.MD.getValue()).get("data"));
+                    if (mdJSONObject==null) {
+                        JSONObject result = new JSONObject();
+                        result.put("device", device.getString("id"));
+                        result.put("deviceType", device.getInteger("deviceType"));
+                        result.put("functionId", UniversalEnum.MD.getValue());
+                        result.put("result", AjaxResult.error());
+                        resultArray.add(result);
+                        break;
+                    }
                     String mdValue = mdJSONObject.getString("value");
                     JSONObject tmJSONObject = (JSONObject) JSON.toJSON(getDeviceLatestProperty(iotDeviceId, UniversalEnum.TM.getValue()).get("data"));
+                    if (tmJSONObject==null) {
+                        JSONObject result = new JSONObject();
+                        result.put("device", device.getString("id"));
+                        result.put("deviceType", device.getInteger("deviceType"));
+                        result.put("functionId", UniversalEnum.TM.getValue());
+                        result.put("result", AjaxResult.error());
+                        resultArray.add(result);
+                        break;
+                    }
                     String tmValue = tmJSONObject.getString("value");
                     //循环执行功能
                     for (Object function : functions) {
diff --git a/zc-business/src/main/java/com/zc/business/controller/DcDeviceOnlineController.java b/zc-business/src/main/java/com/zc/business/controller/DcDeviceOnlineController.java
index 6168318f..1211d7c1 100644
--- a/zc-business/src/main/java/com/zc/business/controller/DcDeviceOnlineController.java
+++ b/zc-business/src/main/java/com/zc/business/controller/DcDeviceOnlineController.java
@@ -496,7 +496,7 @@ public class DcDeviceOnlineController extends BaseController {
         List<Double> lossRate = new ArrayList<>();
         List<Double> rttAvg = new ArrayList<>();
         onlineLogs.stream().sorted(Comparator.comparing(OnlineLog::getMonitorTime)).forEach(onlineLog -> {
-            xAxis.add(onlineLog.getMonitorTime().format(DateTimeFormatter.ofPattern("HH:mm")));
+            xAxis.add(onlineLog.getMonitorTime().format(DateTimeFormatter.ofPattern("HH:mm:ss")));
             lossRate.add(onlineLog.getLossRate());
             rttAvg.add(onlineLog.getRttAvg());
         });
diff --git a/zc-business/src/main/resources/mapper/OnlineSumMapper.xml b/zc-business/src/main/resources/mapper/OnlineSumMapper.xml
index 8b8aceeb..7dbbbec4 100644
--- a/zc-business/src/main/resources/mapper/OnlineSumMapper.xml
+++ b/zc-business/src/main/resources/mapper/OnlineSumMapper.xml
@@ -88,10 +88,16 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         offline_rate,loss_rate,rtt_avg,network_quality,statistical_date
         from dc_device d
         join dc_online_sum s on s.device_id = d.id
+        JOIN
+        (SELECT device_id, MAX(statistical_date) AS max_date
+        FROM dc_online_sum
+        WHERE DATE(statistical_date) = CURDATE()
+        GROUP BY device_id) s_max
+        ON
+        s.device_id = s_max.device_id AND s.statistical_date = s_max.max_date
         where
-        DATE(s.statistical_date) = CURDATE()
         <if test="type.length != 0">
-            and (d.device_type in
+             (d.device_type in
             <foreach item="typeItem" collection="type" open="(" separator="," close=")">
                 #{typeItem}
             </foreach>