fix：修改bug

server-common/src/main/java/com/makeit/module/iot/service/IotProductDeviceService.java

@@ -238,21 +238,23 @@ public class IotProductDeviceService extends IotCommonService {
                 int br = 0;
                 int hr = 0;
                 long timestamp = 0;
+                int noPersonCount = 0;
                 for (DeviceInfoContentBreathe deviceInfoContentBreathe : deviceInfoContentBreathes) {
+                    timestamp = deviceInfoContentBreathe.getTimestamp();
                     breatheProperties = deviceInfoContentBreathe.getProperties();
                     if (breatheProperties.getPerson() == 0) {
+                        noPersonCount++;
                         continue;
                     }
                     hr += breatheProperties.getHr();
                     br += breatheProperties.getBr();
                     bodymove += breatheProperties.getBodymove();
-                    timestamp = deviceInfoContentBreathe.getTimestamp();
                 }
                 temp = new DeviceInfoContentBreathe();
                 tempProperties = new DeviceInfoContentBreathe.Properties();
-                tempProperties.setHr(hr / 60);
-                tempProperties.setBr(br / 60);
-                tempProperties.setBodymove(bodymove / 60);
+                tempProperties.setHr(noPersonCount == 60 ? 0 : hr / (60 - noPersonCount));
+                tempProperties.setBr(noPersonCount == 60 ? 0 : br / (60 - noPersonCount));
+                tempProperties.setBodymove(noPersonCount == 60 ? 0 : bodymove / (60- noPersonCount));
                 temp.setTimestamp(timestamp);
                 temp.setProperties(tempProperties);
                 tempList.add(temp);