兼容海康不规范的xml，大幅度提高通道分页查询速度，优化节点的保活。

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java

@@ -27,6 +27,9 @@ public class ZLMRESTfulUtils {
 
     public JSONObject sendPost(MediaServerItem mediaServerItem, String api, Map<String, Object> param, RequestCallback callback) {
         OkHttpClient client = new OkHttpClient();
+        if (mediaServerItem == null) {
+            return null;
+        }
         String url = String.format("http://%s:%s/index/api/%s",  mediaServerItem.getIp(), mediaServerItem.getHttpPort(), api);
         JSONObject responseJSON = null;
 

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java

@@ -63,10 +63,9 @@ public class ZLMRunner implements CommandLineRunner {
             mediaServerService.addToDatabase(mediaConfig.getMediaSerItem());
         }else {
             MediaServerItem mediaSerItem = mediaConfig.getMediaSerItem();
-            mediaSerItem.setId(defaultMediaServer.getId());
             mediaServerService.updateToDatabase(mediaSerItem);
         }
-
+        mediaServerService.syncCatchFromDatabase();
         // 订阅 zlm启动事件, 新的zlm也会从这里进入系统
         hookSubscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_server_started,null,
                 (MediaServerItem mediaServerItem, JSONObject response)->{
@@ -145,7 +144,6 @@ public class ZLMRunner implements CommandLineRunner {
             JSONArray data = responseJSON.getJSONArray("data");
             if (data != null && data.size() > 0) {
                 ZLMServerConfig = JSON.parseObject(JSON.toJSONString(data.get(0)), ZLMServerConfig.class);
-                ZLMServerConfig.setIp(mediaServerItem.getIp());
             }
         } else {
             logger.error("[ {} ]-[ {}:{} ]第{}次主动连接失败, 2s后重试",

src/main/java/com/genersoft/iot/vmp/media/zlm/event/ZLMKeepliveTimeoutListener.java

@@ -65,7 +65,7 @@ public class ZLMKeepliveTimeoutListener extends RedisKeyExpirationEventMessageLi
         if (mediaServerConfig == null) {
             publisher.zlmOfflineEventPublish(mediaServerId);
         }else {
-            logger.info("[zlm心跳到期]：{}验证后zlm仍在线，回复心跳信息", mediaServerId);
+            logger.info("[zlm心跳到期]：{}验证后zlm仍在线，恢复心跳信息", mediaServerId);
             // 添加zlm信息
             mediaServerService.updateMediaServerKeepalive(mediaServerId, mediaServerConfig);
         }