fix: 状态bug

server-service/src/main/java/com/makeit/service/platform/elder/impl/PlatElderRealTimeServiceImpl.java

@@ -305,17 +305,22 @@ public class PlatElderRealTimeServiceImpl implements PlatElderRealTimeService {
                 return vo;
             }).collect(Collectors.toList());
 
+            boolean xFlag = false;
             fallNoPersonFlag = voList.stream().allMatch(e -> e.getPersonState() == 0);
             Double[] doubleArrX = voList.stream().map(PlatElderCoordinateVO::getX).filter(Objects::nonNull).toArray(Double[]::new);
+            if (doubleArrX.length > 0) {
                 double x = StandardDeviationUtil.variance(doubleArrX);
-            boolean xFlag = new BigDecimal(x + "").compareTo(new BigDecimal(2)) > 0;
+                xFlag = new BigDecimal(x + "").compareTo(new BigDecimal(2)) > 0;
                 log.info("跌倒设备算出来X方差为:{},是否大于2：{},设备id：{}",x,xFlag,device.getOriDeviceId());
+            }
 
+            boolean yFlag = false;
             Double[] doubleArrY = voList.stream().map(PlatElderCoordinateVO::getY).filter(Objects::nonNull).toArray(Double[]::new);
+            if (doubleArrY.length > 0) {
                 double y = StandardDeviationUtil.variance(doubleArrY);
-            boolean yFlag = new BigDecimal(y + "").compareTo(new BigDecimal(2)) > 0;
-
+                yFlag = new BigDecimal(y + "").compareTo(new BigDecimal(2)) > 0;
                 log.info("跌倒设备算出来Y方差为:{},是否大于2：{},设备id：{}",y,yFlag,device.getOriDeviceId());
+            }
 
             if (xFlag && yFlag) {
                 log.info("当前属于跌倒设备离床运动：" + platElderIdDTO.getElderId());