视频回放接口

hazard-sdk/src/main/java/com/ozs/controller/upload/GeoHazardMonitorTokenController.java

@@ -198,6 +198,9 @@ public class GeoHazardMonitorTokenController {
                 respMsgAlarmVo.setCancelTime(null);
                 // 记录要合成报警视频的报警id
                 Map<String, Object> map = redisCache.getCacheObject("WAIT_MERGE_VIDEO_ALARM_ID");
+                if (ObjectUtils.isEmpty(map)) {
+                    map = new HashMap<>();
+                }
                 map.put(msgAlarm.getAlarmId(), msgAlarm.getAlarmTime());
                 log.info("map:{}", map);
                 redisCache.setCacheObject("WAIT_MERGE_VIDEO_ALARM_ID", map);