fix PlatformKeepaliveExpireEvent typo

zx

2022-08-19 4ee8924bd9dbd36046d922d9480de310ee16b6ac

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/CatalogResponseMessageHandler.java

@@ -96,7 +96,7 @@
                        try {
                            Element rootElement = getRootElement(take.getEvt(), take.getDevice().getCharset());
                            if (rootElement == null) {
                                logger.warn("[ 收到通道 ] content cannot be null");
                                logger.warn("[ 收到通道 ] content cannot be null, {}", evt.getRequest());
                                continue;
                            }
                            Element deviceListElement = rootElement.element("DeviceList");