添加消息

zoniot-water/zoniot-water-api/src/main/java/com/bz/zoneiot/water/api/vo/MonitorDataVo.java

@@ -53,6 +53,9 @@ public class MonitorDataVo implements Serializable {
         if (StringUtils.isEmpty(alarmRange)) {
             return alarmRange;
         }
+        if (alarmRange.length() < 3 ){
+            return alarmRange;
+        }
         String relation = alarmRange.substring(0, 3);
         if ("and".equals(relation.toLowerCase())){
             return alarmRange.replaceFirst("AND","");