src/main/java/com/genersoft/iot/vmp/gb28181/transmit/callback/DeferredResultHolder.java
@@ -65,12 +65,16 @@ public DeferredResult get(String key, String id) { Map<String, DeferredResult> deferredResultMap = map.get(key); if (deferredResultMap == null) return null; if (deferredResultMap == null) { return null; } return deferredResultMap.get(id); } public boolean exist(String key, String id){ if (key == null) return false; if (key == null) { return false; } Map<String, DeferredResult> deferredResultMap = map.get(key); if (id == null) { return deferredResultMap != null;