fix：添加缓存

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

@@ -20,6 +20,7 @@ import com.makeit.utils.LongTimestampUtil;
 import com.makeit.utils.data.convert.JsonUtil;
 import com.makeit.utils.data.convert.StreamUtil;
 import com.makeit.utils.old.StringUtils;
+import com.sun.jmx.snmp.Timestamp;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.RandomUtils;
@@ -160,8 +161,8 @@ public class IotProductDeviceService extends IotCommonService {
             int movebodyRandomLong = RandomUtils.nextInt(40,90);
             deviceInfoContentBreathe = new DeviceInfoContentBreathe();
             LocalDateTime localDateTime = startTime.plusMinutes(i);
-            long timeStamp = localDateTime.toInstant(ZoneOffset.UTC).toEpochMilli();
-            deviceInfoContentBreathe.setTimestamp(timeStamp);
+            Timestamp timestamp = new  Timestamp(localDateTime.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
+            deviceInfoContentBreathe.setTimestamp(timestamp.getDateTime());
             DeviceInfoContentBreathe.Properties properties = new DeviceInfoContentBreathe.Properties();
             properties.setBr(brRandomLong);
             properties.setHr(hrRandomLong);