diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/codec/netty/Jt808Handler.java b/src/main/java/com/genersoft/iot/vmp/jt1078/codec/netty/Jt808Handler.java
index c0fe3c2d4..61403670d 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/codec/netty/Jt808Handler.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/codec/netty/Jt808Handler.java
@@ -44,12 +44,12 @@ public class Jt808Handler extends ChannelInboundHandlerAdapter {
         Session session = SessionManager.INSTANCE.newSession(channel);
         channel.attr(Session.KEY).set(session);
         log.info("> Tcp connect {}", session);
-        if (session.getDevId() == null) {
+        if (session.getPhoneNumber() == null) {
             return;
         }
         ConnectChangeEvent event = new ConnectChangeEvent(this);
         event.setConnected(true);
-        event.setPhoneNumber(session.getDevId());
+        event.setPhoneNumber(session.getPhoneNumber());
         applicationEventPublisher.publishEvent(event);
     }
 
@@ -58,12 +58,12 @@ public class Jt808Handler extends ChannelInboundHandlerAdapter {
         Session session = ctx.channel().attr(Session.KEY).get();
         log.info("< Tcp disconnect {}", session);
         ctx.close();
-        if (session.getDevId() == null) {
+        if (session.getPhoneNumber() == null) {
             return;
         }
         ConnectChangeEvent event = new ConnectChangeEvent(this);
         event.setConnected(false);
-        event.setPhoneNumber(session.getDevId());
+        event.setPhoneNumber(session.getPhoneNumber());
         applicationEventPublisher.publishEvent(event);
 
     }
diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/dao/JTChannelMapper.java b/src/main/java/com/genersoft/iot/vmp/jt1078/dao/JTChannelMapper.java
index 685a273fb..92763f029 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/dao/JTChannelMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/dao/JTChannelMapper.java
@@ -18,7 +18,7 @@ public interface JTChannelMapper {
             " <if test='query != null'> AND " +
             "jc.name LIKE concat('%',#{query},'%') " +
             "</if> " +
-            "ORDER BY jc.update_time " +
+            "ORDER BY jc.channel_id " +
             " </script>"})
     List<JTChannel> getAll(@Param("terminalId") int terminalId, @Param("query") String query);
 
@@ -28,7 +28,7 @@ public interface JTChannelMapper {
             "<if test=\"terminalId != null\">, terminal_id=#{terminalId}</if>" +
             "<if test=\"hasAudio != null\">, has_audio=#{hasAudio}</if>" +
             "<if test=\"name != null\">, name=#{name}</if>" +
-            "<if test=\"channelId != null\">, channelId=#{channelId}</if>" +
+            "<if test=\"channelId != null\">, channel_id=#{channelId}</if>" +
             "WHERE id=#{id}"+
             " </script>"})
     void update(JTChannel channel);
diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/proc/request/Re.java b/src/main/java/com/genersoft/iot/vmp/jt1078/proc/request/Re.java
index 86b7d7ada..f4b11e73c 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/proc/request/Re.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/proc/request/Re.java
@@ -23,7 +23,7 @@ public abstract class Re {
     protected abstract Rs handler(Header header, Session session, Ijt1078Service service);
 
     public Rs decode(ByteBuf buf, Header header, Session session, Ijt1078Service service) {
-        if (session != null && !StringUtils.hasLength(session.getDevId())) {
+        if (session != null && !StringUtils.hasLength(session.getPhoneNumber())) {
             session.register(header.getPhoneNumber(), (int) header.getVersion(), header);
         }
         Rs rs = decode0(buf, header, session);
diff --git a/src/main/java/com/genersoft/iot/vmp/jt1078/session/Session.java b/src/main/java/com/genersoft/iot/vmp/jt1078/session/Session.java
index d79e59d57..e8a96815d 100644
--- a/src/main/java/com/genersoft/iot/vmp/jt1078/session/Session.java
+++ b/src/main/java/com/genersoft/iot/vmp/jt1078/session/Session.java
@@ -27,8 +27,8 @@ public class Session {
     // 是否注册成功
     private boolean registered = false;
 
-    // 设备ID
-    private String devId;
+    // 设备手机号
+    private String phoneNumber;
 
     // 创建时间
     private final long creationTime;
@@ -69,7 +69,7 @@ public class Session {
      * @param devId 设备ID
      */
     public void register(String devId, Integer version, Header header) {
-        this.devId = devId;
+        this.phoneNumber = devId;
         this.registered = true;
         this.protocolVersion = version;
         this.header = header;
@@ -81,8 +81,8 @@ public class Session {
      *
      * @return 设备号
      */
-    public String getDevId() {
-        return devId;
+    public String getPhoneNumber() {
+        return phoneNumber;
     }
 
 
@@ -105,7 +105,7 @@ public class Session {
     @Override
     public String toString() {
         return "[" +
-                "devId=" + devId +
+                "phoneNumber=" + phoneNumber +
                 ", reg=" + registered +
                 ", version=" + protocolVersion +
                 ",ip=" + channel.remoteAddress() +
@@ -114,6 +114,6 @@ public class Session {
 
     public void unregister() {
         channel.close();
-        SessionManager.INSTANCE.remove(this.devId);
+        SessionManager.INSTANCE.remove(this.phoneNumber);
     }
 }