去除失效的配置，增加人物结束时移除人物缓存

648540858

2022-07-11 1a1a68784b9e8fa24b8ab863b974f4e5e84ffe44

 src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java

@@ -25,7 +25,9 @@
     * */
    public static String getChannelIdFromHeader(Request request) {
        Header subject = request.getHeader("subject");
        if (subject == null) return null;
        if (subject == null) {
            return null;
        }
        return ((Subject) subject).getSubject().split(":")[0];
    }