src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java
@@ -42,7 +42,7 @@ public static final String CALLBACK_CMD_ALARM = "CALLBACK_ALARM"; private Map<String, DeferredResult> map = new ConcurrentHashMap<String, DeferredResult>(); public void put(String key, DeferredResult result) { map.put(key, result); }