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。

648540858
1 parent b7635ec0
Showing 18 changed files with 145 additions and 81 deletions
sql/mysql.sql
sql/update.sql
src/main/java/com/genersoft/iot/vmp/conf/MediaConfig.java
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java
src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java
src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRunner.java
src/main/java/com/genersoft/iot/vmp/media/zlm/event/ZLMKeepliveTimeoutListener.java
src/main/java/com/genersoft/iot/vmp/service/IMediaServerService.java
src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java
src/main/java/com/genersoft/iot/vmp/storager/IVideoManagerStorager.java
src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceChannelMapper.java
src/main/java/com/genersoft/iot/vmp/storager/dao/MediaServerMapper.java
src/main/java/com/genersoft/iot/vmp/storager/impl/VideoManagerStoragerImpl.java
src/main/java/com/genersoft/iot/vmp/vmanager/server/ServerController.java
src/main/resources/all-application.yml
src/main/resources/application-dev.yml
src/main/resources/application-docker.yml
web_src/src/components/channelList.vue
@@ -107,6 +107,7 @@ CREATE TABLE `device_channel` (
   `certNum` varchar(50) DEFAULT NULL,
   `certifiable` int(11) DEFAULT NULL,
   `errCode` int(11) DEFAULT NULL,
+  `subCount` int(11) DEFAULT 0,
   `endTime` varchar(50) DEFAULT NULL,
   `secrecy` varchar(50) DEFAULT NULL,
   `ipAddress` varchar(50) DEFAULT NULL,
-ALTER TABLE stream_proxy ADD status bit(1) not null;
 \ No newline at end of file
+ALTER TABLE stream_proxy ADD status bit(1) not null;
+
+# 去除子查询优化查询速度
+alter table device_channel
+    add subCount int default 0 null;
+
+update device_channel dc set dc.subCount = (select  te.count from (SELECT count(0) as count FROM device_channel WHERE parentId = dc.channelId) te)
 \ No newline at end of file
@@ -11,7 +11,8 @@ import java.util.Date;
 @Configuration("mediaConfig")
 public class MediaConfig{
-    @Value("${media.id:}")
+    // 修改必须配置，不再支持自动获取
+    @Value("${media.id}")
     private String id;
     @Value("${media.ip}")
@@ -4,6 +4,7 @@ import gov.nist.javax.sip.SipProviderImpl;
 import gov.nist.javax.sip.SipStackImpl;
 import gov.nist.javax.sip.message.SIPRequest;
 import gov.nist.javax.sip.stack.SIPServerTransaction;
+import org.apache.commons.lang3.ArrayUtils;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
@@ -25,7 +26,12 @@ import javax.sip.message.MessageFactory;
 import javax.sip.message.Request;
 import javax.sip.message.Response;
 import java.io.ByteArrayInputStream;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
 import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 /**    
  * @description:处理接收IPCamera发来的SIP协议请求消息
@@ -202,7 +208,32 @@ public abstract class SIPRequestProcessorParent {
 		Request request = evt.getRequest();
 		SAXReader reader = new SAXReader();
 		reader.setEncoding(charset);
-		Document xml = reader.read(new ByteArrayInputStream(request.getRawContent()));
+		// 对海康出现的未转义字符做处理。
+		String[] destStrArray = new String[]{"&lt;","&gt;","&amp;","&apos;","&quot;"};
+		char despChar = '&'; // 或许可扩展兼容其他字符
+		byte destBye = (byte) despChar;
+		List<Byte> result = new ArrayList<>();
+		byte[] rawContent = request.getRawContent();
+		for (int i = 0; i < rawContent.length; i++) {
+			if (rawContent[i] == destBye) {
+				boolean resul = false;
+				for (String destStr : destStrArray) {
+					if (i + destStr.length() <= rawContent.length) {
+						byte[] bytes = Arrays.copyOfRange(rawContent, i, i + destStr.length());
+						resul = resul || (Arrays.equals(bytes,destStr.getBytes()));
+					}
+				}
+				if (resul) {
+					result.add(rawContent[i]);
+				}
+			}else {
+				result.add(rawContent[i]);
+			}
+		}
+		Byte[] bytes = new Byte[0];
+		byte[] bytesResult = ArrayUtils.toPrimitive(result.toArray(bytes));
+
+		Document xml = reader.read(new ByteArrayInputStream(bytesResult));
 		return xml.getRootElement();
 	}
@@ -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;
@@ -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",
@@ -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);
         }
@@ -22,7 +22,7 @@ public interface IMediaServerService {
     MediaServerItem getOne(String generalMediaServerId);
-    MediaServerItem getOneByHostAndPort(String host, int port);
+    void syncCatchFromDatabase();
     /**
      * 新的节点加入
@@ -30,7 +30,11 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.core.annotation.Order;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+import org.springframework.security.core.parameters.P;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.TransactionDefinition;
+import org.springframework.transaction.TransactionStatus;
 import org.springframework.util.StringUtils;
 import java.text.ParseException;
@@ -65,6 +69,12 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
     private MediaServerMapper mediaServerMapper;
     @Autowired
+    DataSourceTransactionManager dataSourceTransactionManager;
+
+    @Autowired
+    TransactionDefinition transactionDefinition;
+
+    @Autowired
     private VideoStreamSessionManager streamSession;
     @Autowired
@@ -267,11 +277,6 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
     }
     @Override
-    public MediaServerItem getOneByHostAndPort(String host, int port) {
-        return mediaServerMapper.queryOneByHostAndPort(host, port);
-    }
-
-    @Override
     public MediaServerItem getDefaultMediaServer() {
         return mediaServerMapper.queryDefault();
     }
@@ -323,7 +328,22 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
     @Override
     public int updateToDatabase(MediaServerItem mediaSerItem) {
-        return mediaServerMapper.update(mediaSerItem);
+        int result = 0;
+        if (mediaSerItem.isDefaultServer()) {
+            TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition);
+            int delResult = mediaServerMapper.delDefault();
+            if (delResult == 0) {
+                logger.error("移除数据库默认zlm节点失败");
+                //事务回滚
+                dataSourceTransactionManager.rollback(transactionStatus);
+                return 0;
+            }
+            result = mediaServerMapper.add(mediaSerItem);
+            dataSourceTransactionManager.commit(transactionStatus);     //手动提交
+        }else {
+            result = mediaServerMapper.update(mediaSerItem);
+        }
+        return result;
     }
     /**
@@ -332,15 +352,13 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
      */
     @Override
     public void zlmServerOnline(ZLMServerConfig zlmServerConfig) {
-        logger.info("[ ZLM：{} ]-[ {}:{} ]已连接",
+        logger.info("[ ZLM：{} ]-[ {}:{} ]正在连接",
                 zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(), zlmServerConfig.getHttpPort());
         MediaServerItem serverItem = mediaServerMapper.queryOne(zlmServerConfig.getGeneralMediaServerId());
         if (serverItem == null) {
-            serverItem = mediaServerMapper.queryOneByHostAndPort(zlmServerConfig.getIp(), zlmServerConfig.getHttpPort());
-        }
-        if (serverItem == null) {
-            logger.warn("[未注册的zlm] 拒接接入：来自{}：{}", zlmServerConfig.getIp(),zlmServerConfig.getHttpPort() );
+            logger.warn("[未注册的zlm] 拒接接入：{}来自{}：{}", zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(),zlmServerConfig.getHttpPort() );
+            logger.warn("请检查ZLM的<general.mediaServerId>配置是否与WVP的<media.id>一致");
             return;
         }
         serverItem.setHookAliveInterval(zlmServerConfig.getHookAliveInterval());
@@ -368,11 +386,10 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
         serverItem.setStatus(true);
         if (StringUtils.isEmpty(serverItem.getId())) {
-            serverItem.setId(zlmServerConfig.getGeneralMediaServerId());
-            mediaServerMapper.updateByHostAndPort(serverItem);
-        }else {
-            mediaServerMapper.update(serverItem);
+            logger.warn("[未注册的zlm] serverItem缺少ID， 无法接入：{}：{}", zlmServerConfig.getIp(),zlmServerConfig.getHttpPort() );
+            return;
         }
+        mediaServerMapper.update(serverItem);
         String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetup.getServerId() + "_" + zlmServerConfig.getGeneralMediaServerId();
         if (redisUtil.get(key) == null) {
             SsrcConfig ssrcConfig = new SsrcConfig(zlmServerConfig.getGeneralMediaServerId(), null, sipConfig.getDomain());
@@ -387,7 +404,8 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
         setZLMConfig(serverItem, "0".equals(zlmServerConfig.getHookEnable()));
         publisher.zlmOnlineEventPublish(serverItem.getId());
-
+        logger.info("[ ZLM：{} ]-[ {}:{} ]连接成功",
+                zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(), zlmServerConfig.getHttpPort());
     }
@@ -464,7 +482,7 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
      */
     @Override
     public void setZLMConfig(MediaServerItem mediaServerItem, boolean restart) {
-        logger.info("[ ZLM：{} ]-[ {}:{} ]设置zlm",
+        logger.info("[ ZLM：{} ]-[ {}:{} ]正在设置zlm",
                 mediaServerItem.getId(), mediaServerItem.getIp(), mediaServerItem.getHttpPort());
         String protocol = sslEnabled ? "https" : "http";
         String hookPrex = String.format("%s://%s:%s/index/hook", protocol, mediaServerItem.getHookIp(), serverPort);
@@ -601,4 +619,21 @@ public class MediaServerServiceImpl implements IMediaServerService, CommandLineR
         int hookAliveInterval = mediaServerItem.getHookAliveInterval() + 2;
         redisUtil.set(key, data, hookAliveInterval);
     }
+
+    @Override
+    public void syncCatchFromDatabase() {
+        List<MediaServerItem> allInCatch = getAll();
+        List<MediaServerItem> allInDatabase = mediaServerMapper.queryAll();
+        Map<String, MediaServerItem> mediaServerItemMap = new HashMap<>();
+
+        for (MediaServerItem mediaServerItem : allInDatabase) {
+            mediaServerItemMap.put(mediaServerItem.getId(), mediaServerItem);
+        }
+        for (MediaServerItem mediaServerItem : allInCatch) {
+            if (mediaServerItemMap.get(mediaServerItem) == null) {
+                delete(mediaServerItem.getId());
+            }
+        }
+    }
+
 }
@@ -398,12 +398,6 @@ public interface IVideoManagerStorager {
 	void updateParentPlatformStatus(String platformGbID, boolean online);
 	/**
-	 * 更新媒体节点
-	 * @param mediaServerItem
-	 */
-	void updateMediaServer(MediaServerItem mediaServerItem);
-
-	/**
 	 * 根据媒体ID获取启用/不启用的代理列表
 	 * @param id 媒体ID
 	 * @param enable 启用/不启用
@@ -56,27 +56,21 @@ public interface DeviceChannelMapper {
     @Select(value = {" <script>" +
             "SELECT " +
-            "dc1.*, " +
-            "COUNT(dc2.channelId) as subCount " +
+            "dc.* " +
             "from " +
-            "device_channel dc1 " +
-            "left join device_channel dc2 on " +
-            "dc1.channelId = dc2.parentId " +
+            "device_channel dc " +
             "WHERE " +
-            "dc1.deviceId = #{deviceId} " +
-            " <if test='query != null'> AND (dc1.channelId LIKE '%${query}%' OR dc1.name LIKE '%${query}%' OR dc1.name LIKE '%${query}%')</if> " +
-            " <if test='parentChannelId != null'> AND dc1.parentId=#{parentChannelId} </if> " +
-            " <if test='online == true' > AND dc1.status=1</if>" +
-            " <if test='online == false' > AND dc1.status=0</if>" +
-            " <if test='hasSubChannel == true' >  AND subCount >0</if>" +
-            " <if test='hasSubChannel == false' >  AND subCount=0</if>" +
-            "GROUP BY dc1.channelId " +
+            "dc.deviceId = #{deviceId} " +
+            " <if test='query != null'> AND (dc.channelId LIKE '%${query}%' OR dc.name LIKE '%${query}%' OR dc.name LIKE '%${query}%')</if> " +
+            " <if test='parentChannelId != null'> AND dc.parentId=#{parentChannelId} </if> " +
+            " <if test='online == true' > AND dc.status=1</if>" +
+            " <if test='online == false' > AND dc.status=0</if>" +
+            " <if test='hasSubChannel == true' >  AND dc.subCount > 0 </if>" +
+            " <if test='hasSubChannel == false' >  AND dc.subCount = 0 </if>" +
+            "GROUP BY dc.channelId " +
             " </script>"})
     List<DeviceChannel> queryChannels(String deviceId, String parentChannelId, String query, Boolean hasSubChannel, Boolean online);
-    @Select("SELECT * FROM device_channel WHERE deviceId=#{deviceId}")
-    List<DeviceChannel> queryChannelsByDeviceId(String deviceId);
-
     @Select("SELECT * FROM device_channel WHERE deviceId=#{deviceId} AND channelId=#{channelId}")
     DeviceChannel queryChannel(String deviceId, String channelId);
@@ -100,7 +94,7 @@ public interface DeviceChannelMapper {
             "dc.name, " +
             "de.manufacturer, " +
             "de.hostAddress, " +
-            "(SELECT count(0) FROM device_channel WHERE parentId = dc.channelId) as subCount, " +
+            "dc.subCount, " +
             "pgc.platformId as platformId, " +
             "pgc.catalogId as catalogId " +
             "FROM device_channel dc " +
@@ -130,13 +124,13 @@ public interface DeviceChannelMapper {
     @Insert("<script> " +
             "insert into device_channel " +
-            "(channelId, deviceId, name, manufacture, model, owner, civilCode, block, " +
+            "(channelId, deviceId, name, manufacture, model, owner, civilCode, block, subCount, " +
             "  address, parental, parentId, safetyWay, registerWay, certNum, certifiable, errCode, secrecy, " +
             "  ipAddress, port, password, PTZType, status, streamId, longitude, latitude, createTime, updateTime) " +
             "values " +
             "<foreach collection='addChannels' index='index' item='item' separator=','> " +
             "('${item.channelId}', '${item.deviceId}', '${item.name}', '${item.manufacture}', '${item.model}', " +
-            "'${item.owner}', '${item.civilCode}', '${item.block}'," +
+            "'${item.owner}', '${item.civilCode}', '${item.block}',${item.subCount}," +
             "'${item.address}', ${item.parental}, '${item.parentId}', ${item.safetyWay}, ${item.registerWay}, " +
             "'${item.certNum}', ${item.certifiable}, ${item.errCode}, '${item.secrecy}', " +
             "'${item.ipAddress}', ${item.port}, '${item.password}', ${item.PTZType}, ${item.status}, " +
@@ -156,6 +150,7 @@ public interface DeviceChannelMapper {
             "<if test='item.owner != null'>, owner='${item.owner}'</if>" +
             "<if test='item.civilCode != null'>, civilCode='${item.civilCode}'</if>" +
             "<if test='item.block != null'>, block='${item.block}'</if>" +
+            "<if test='item.subCount != null'>, block=${item.subCount}</if>" +
             "<if test='item.address != null'>, address='${item.address}'</if>" +
             "<if test='item.parental != null'>, parental=${item.parental}</if>" +
             "<if test='item.parentId != null'>, parentId='${item.parentId}'</if>" +
@@ -182,21 +177,17 @@ public interface DeviceChannelMapper {
     @Select(value = {" <script>" +
             "SELECT " +
-            "dc1.*, " +
-            "COUNT(dc2.channelId) as subCount " +
+            "dc1.* " +
             "from " +
             "device_channel dc1 " +
-            "left join device_channel dc2 on " +
-            "dc1.channelId = dc2.parentId " +
             "WHERE " +
             "dc1.deviceId = #{deviceId} " +
             " <if test='query != null'> AND (dc1.channelId LIKE '%${query}%' OR dc1.name LIKE '%${query}%' OR dc1.name LIKE '%${query}%')</if> " +
             " <if test='parentChannelId != null'> AND dc1.parentId=#{parentChannelId} </if> " +
             " <if test='online == true' > AND dc1.status=1</if>" +
             " <if test='online == false' > AND dc1.status=0</if>" +
-            " <if test='hasSubChannel == true' >  AND subCount >0</if>" +
-            " <if test='hasSubChannel == false' >  AND subCount=0</if>" +
-            "GROUP BY dc1.channelId " +
+            " <if test='hasSubChannel == true' >  AND dc1.subCount >0</if>" +
+            " <if test='hasSubChannel == false' >  AND dc1.subCount=0</if>" +
             "ORDER BY dc1.channelId ASC " +
             "Limit #{limit} OFFSET #{start}" +
             " </script>"})
 package com.genersoft.iot.vmp.storager.dao;
 import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
-import org.apache.ibatis.annotations.Insert;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Select;
-import org.apache.ibatis.annotations.Update;
+import org.apache.ibatis.annotations.*;
 import org.springframework.stereotype.Repository;
 import java.util.List;
@@ -122,14 +119,14 @@ public interface MediaServerMapper {
     @Select("SELECT * FROM media_server")
     List<MediaServerItem> queryAll();
-    @Select("DELETE FROM media_server WHERE id='${id}'")
+    @Delete("DELETE FROM media_server WHERE id='${id}'")
     void delOne(String id);
     @Select("DELETE FROM media_server WHERE ip='${host}' and httpPort=${port}")
     void delOneByIPAndPort(String host, int port);
-    @Select("DELETE FROM media_server WHERE defaultServer=1;")
-    void delDefault();
+    @Delete("DELETE FROM media_server WHERE defaultServer=1")
+    int delDefault();
     @Select("SELECT * FROM media_server WHERE ip='${host}' and httpPort=${port}")
     MediaServerItem queryOneByHostAndPort(String host, int port);
@@ -174,7 +174,7 @@ public class VideoManagerStoragerImpl implements IVideoManagerStorager {
 		List<DeviceChannel> updateChannels = new ArrayList<>();
 		HashMap<String, DeviceChannel> channelsInStore = new HashMap<>();
 		if (channels != null && channels.size() > 0) {
-			List<DeviceChannel> channelList = deviceChannelMapper.queryChannelsByDeviceId(deviceId);
+			List<DeviceChannel> channelList = deviceChannelMapper.queryChannels(deviceId, null, null, null, null);
 			if (channelList.size() == 0) {
 				for (DeviceChannel channel : channels) {
 					channel.setDeviceId(deviceId);
@@ -239,6 +239,7 @@ public class VideoManagerStoragerImpl implements IVideoManagerStorager {
 		// 数据去重
 		List<DeviceChannel> channels = new ArrayList<>();
 		StringBuilder stringBuilder = new StringBuilder();
+		Map<String, Integer> subContMap = new HashMap<>();
 		if (deviceChannelList.size() > 1) {
 			// 数据去重
 			Set<String> gbIdSet = new HashSet<>();
@@ -246,10 +247,26 @@ public class VideoManagerStoragerImpl implements IVideoManagerStorager {
 				if (!gbIdSet.contains(deviceChannel.getChannelId())) {
 					gbIdSet.add(deviceChannel.getChannelId());
 					channels.add(deviceChannel);
+					if (!StringUtils.isEmpty(deviceChannel.getParentId())) {
+						if (subContMap.get(deviceChannel.getParentId()) == null) {
+							subContMap.put(deviceChannel.getParentId(), 1);
+						}else {
+							Integer count = subContMap.get(deviceChannel.getParentId());
+							subContMap.put(deviceChannel.getParentId(), count++);
+						}
+					}
 				}else {
 					stringBuilder.append(deviceChannel.getChannelId() + ",");
 				}
 			}
+			if (channels.size() > 0) {
+				for (DeviceChannel channel : channels) {
+					if (subContMap.get(channel.getChannelId()) != null){
+						channel.setSubCount(subContMap.get(channel.getChannelId()));
+					}
+				}
+			}
+
 		}else {
 			channels = deviceChannelList;
 		}
@@ -855,18 +872,6 @@ public class VideoManagerStoragerImpl implements IVideoManagerStorager {
 	}
 	@Override
-	public void updateMediaServer(MediaServerItem mediaServerItem) {
-		String now = this.format.format(System.currentTimeMillis());
-		mediaServerItem.setUpdateTime(now);
-		if (mediaServerMapper.queryOne(mediaServerItem.getId()) != null) {
-			mediaServerMapper.update(mediaServerItem);
-		}else {
-			mediaServerItem.setCreateTime(now);
-			mediaServerMapper.add(mediaServerItem);
-		}
-	}
-
-	@Override
 	public List<StreamProxyItem> getStreamProxyListForEnableInMediaServer(String id, boolean enable, boolean status) {
 		return streamProxyMapper.selectForEnableInMediaServer(id, enable, status);
 	}
@@ -58,8 +58,6 @@ public class ServerController {
     @GetMapping(value = "/media_server/list")
     @ResponseBody
     public WVPResult<List<MediaServerItem>> getMediaServerList(boolean detail){
-        List<MediaServerItem> all = mediaServerService.getAll();
-
         WVPResult<List<MediaServerItem>> result = new WVPResult<>();
         result.setCode(0);
         result.setMsg("success");
@@ -93,7 +93,7 @@ sip:
 #zlm 默认服务器配置
 media:
-    # [可选] zlm服务器唯一id，用于触发hook时区别是哪台服务器,general.mediaServerId
+    # [必须修改] zlm服务器唯一id，用于触发hook时区别是哪台服务器,general.mediaServerId
     id:
     # [必须修改] zlm服务器的内网IP
     ip: 192.168.0.100
@@ -48,6 +48,8 @@ sip:
 #zlm 默认服务器配置
 media:
+    # [必须修改] zlm服务器唯一id，用于触发hook时区别是哪台服务器,general.mediaServerId
+    id:
     # [必须修改] zlm服务器的内网IP
     ip:
     # [必须修改] zlm服务器的http.port
@@ -48,6 +48,8 @@ sip:
 #zlm 默认服务器配置
 media:
+    # [必须修改] zlm服务器唯一id，用于触发hook时区别是哪台服务器,general.mediaServerId
+    id:
     # [必须修改] zlm服务器的内网IP
     ip: ${ZLM_HOST:127.0.0.1}
     # [必须修改] zlm服务器的http.port
@@ -84,7 +84,7 @@
                             <!-- <el-button size="mini" icon="el-icon-video-play" v-if="scope.row.parental == 0" @click="sendDevicePush(scope.row)">播放</el-button> -->
                             <el-button size="mini" icon="el-icon-video-play" @click="sendDevicePush(scope.row)">播放</el-button>
                             <el-button size="mini" icon="el-icon-switch-button" type="danger" v-if="!!scope.row.streamId" @click="stopDevicePush(scope.row)">停止</el-button>
-                            <el-button size="mini" icon="el-icon-s-open" type="primary" v-if="scope.row.parental == 1" @click="changeSubchannel(scope.row)">查看</el-button>
+                            <el-button size="mini" icon="el-icon-s-open" type="primary" v-if="scope.row.subCount > 0" @click="changeSubchannel(scope.row)">查看</el-button>
                             <el-button size="mini" icon="el-icon-video-camera" type="primary" @click="queryRecords(scope.row)">设备录象</el-button>
                             <!--                             <el-button size="mini" @click="sendDevicePush(scope.row)">录像查询</el-button> -->
                         </el-button-group>