diff --git a/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClient.java b/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClient.java
index b2f10d6..7d86c07 100644
--- a/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClient.java
+++ b/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClient.java
@@ -35,7 +35,8 @@ public class WebsocketClient extends AbstractWebsocketClient {
     public static WebsocketClient getWsInstance() {
         if (wsInstance == null) {
             try {
-                wsInstance = new WebsocketClient("ws://localhost:19800/ws", 20);
+                wsInstance = new WebsocketClient("ws://42.192.165.208:19800/ws", 20);
+//                wsInstance = new WebsocketClient("ws://127.0.0.1:19800/ws", 20);
             } catch (URISyntaxException | MyException e) {
                 log.error("发生异常,原因:{}", e.getMessage(), e);
             }
diff --git a/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClientHandler.java b/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClientHandler.java
index 003ab80..f6e2df3 100644
--- a/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClientHandler.java
+++ b/src/main/java/cn/org/hentai/jtt1078/app/websocket/WebsocketClientHandler.java
@@ -11,7 +11,6 @@ import io.netty.util.CharsetUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.xml.soap.Text;
 import java.util.Timer;
 import java.util.TimerTask;
 
@@ -77,11 +76,12 @@ public class WebsocketClientHandler extends SimpleChannelInboundHandler<Object>
         }
 
         sendMsgTimer = new Timer();
+        log.info(">>>> start send msg to 808.");
         sendMsgTimer.schedule(new TimerTask() {
             @Override
             public void run() {
                 String clientId = PublishManager.getInstance().getCurPushDevice();
-                log.info("send msg to 808. clientId : " + clientId);
+
                 try {
                     WebsocketClient.getWsInstance().write(clientId);
                 } catch (MyException e) {
@@ -117,7 +117,6 @@ public class WebsocketClientHandler extends SimpleChannelInboundHandler<Object>
                 try {
                     WebsocketClient wsClient = WebsocketClient.getWsInstance();
                     wsClient.connect();
-                    log.info("reconnect success!");
                 } catch (MyException e) {
                     log.info("reconnect failed! msg : " + e.getMessage());
                 }
@@ -143,7 +142,6 @@ public class WebsocketClientHandler extends SimpleChannelInboundHandler<Object>
             throw new IllegalStateException("Unexpected FullHttpResponse (getStatus=" + response.status() + ", content=" + response.content().toString(CharsetUtil.UTF_8) + ')');
         } else if (msg instanceof TextWebSocketFrame) {
             TextWebSocketFrame response = (TextWebSocketFrame) msg;
-            log.info("receive msg : " + response.text());
         }
         this.handleWebSocketFrame(msg);
     }
diff --git a/src/main/java/cn/org/hentai/jtt1078/publisher/PublishManager.java b/src/main/java/cn/org/hentai/jtt1078/publisher/PublishManager.java
index 90f8499..289325f 100644
--- a/src/main/java/cn/org/hentai/jtt1078/publisher/PublishManager.java
+++ b/src/main/java/cn/org/hentai/jtt1078/publisher/PublishManager.java
@@ -6,6 +6,7 @@ import io.netty.channel.ChannelHandlerContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -46,9 +47,18 @@ public final class PublishManager {
     }
 
     public Channel open(String tag) {
-        logger.info("****** channel open : " + System.currentTimeMillis());
+        logger.info(">>>> channel : " + tag + "  | open : " + System.currentTimeMillis());
+        logger.info(">>>> all channel number. channels.values().size() = " + channels.values().size());
         Channel chl = channels.get(tag);
 
+        // 开启一个新的推流通道, 释放原来的通道
+        channels.values().forEach(channel -> {
+            channel.rtmpPublisher.close();
+            close(channel.tag);
+        });
+
+        logger.info(">>>> after close, all channel number. channels.values().size() = " + channels.values().size());
+
         if (chl == null) {
             chl = new Channel(tag);
             channels.put(tag, chl);
@@ -66,8 +76,20 @@ public final class PublishManager {
         if (channels.size() == 0) {
             return "";
         }
-        Channel chl = channels.get(0);
-        return chl.tag;
+
+        Channel chl = null;
+        for (Channel value : channels.values()) {
+            chl = value;
+            if (chl != null) {
+                break;
+            }
+        }
+
+        if (chl != null) {
+            return chl.tag;
+        } else {
+            return "";
+        }
     }
 
     public void unsubscribe(String tag, long watcherId) {
diff --git a/src/main/java/cn/org/hentai/jtt1078/server/Jtt1078Handler.java b/src/main/java/cn/org/hentai/jtt1078/server/Jtt1078Handler.java
index 5ecd319..56a3f1e 100644
--- a/src/main/java/cn/org/hentai/jtt1078/server/Jtt1078Handler.java
+++ b/src/main/java/cn/org/hentai/jtt1078/server/Jtt1078Handler.java
@@ -36,8 +36,6 @@ public class Jtt1078Handler extends SimpleChannelInboundHandler<Packet> {
             String tag = sim + "-" + channel;
 
             if (SessionManager.contains(nettyChannel, "tag") == false) {
-                PublishManager.getInstance().close(tag);
-                logger.info("******** close channel, tag : " + tag);
                 Channel chl = PublishManager.getInstance().open(tag);
                 SessionManager.set(nettyChannel, "tag", tag);
                 logger.info("start publishing: {} -> {}-{}", Long.toHexString(chl.hashCode() & 0xffffffffL), sim, channel);
diff --git a/src/main/java/cn/org/hentai/jtt1078/subscriber/RTMPPublisher.java b/src/main/java/cn/org/hentai/jtt1078/subscriber/RTMPPublisher.java
index bbde0d1..9ccde1b 100644
--- a/src/main/java/cn/org/hentai/jtt1078/subscriber/RTMPPublisher.java
+++ b/src/main/java/cn/org/hentai/jtt1078/subscriber/RTMPPublisher.java
@@ -1,20 +1,11 @@
 package cn.org.hentai.jtt1078.subscriber;
 
-import cn.org.hentai.jtt1078.codec.MP3Encoder;
-import cn.org.hentai.jtt1078.flv.AudioTag;
-import cn.org.hentai.jtt1078.flv.FlvAudioTagEncoder;
-import cn.org.hentai.jtt1078.flv.FlvEncoder;
-import cn.org.hentai.jtt1078.publisher.Channel;
 import cn.org.hentai.jtt1078.publisher.PublishManager;
 import cn.org.hentai.jtt1078.util.*;
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.LinkedList;
 
 public class RTMPPublisher extends Thread {
     static Logger logger = LoggerFactory.getLogger(RTMPPublisher.class);