2025-12-09 zwy 整理hms代码，相同告警信息更新创建时间，不重复录入；

zhaowenyu

2025-12-09 e8f5e59edd5a50062b2e33c9812f233bb11f70d8

 ard-work/src/main/java/com/ard/work/component/websocket/handler/UavSignalManager.java

@@ -10,7 +10,7 @@

    @Override
    protected SignalInfo getData(String boxSn) {
        return UavSignalInfoCache.getUavSignalInfo(boxSn);
        return UavSignalInfoCache.get(boxSn);
    }

    @Override