添加设备查询和设备更新接口

src/main/java/com/genersoft/iot/vmp/jt1078/session/Session.java

@@ -111,4 +111,9 @@ public class Session {
                 ",ip=" + channel.remoteAddress() +
                 ']';
     }
+
+    public void unregister() {
+        channel.close();
+        SessionManager.INSTANCE.remove(this.devId);
+    }
 }

src/main/java/com/genersoft/iot/vmp/jt1078/session/SessionManager.java

@@ -124,4 +124,7 @@ public enum SessionManager {
         return String.join("_", devId.replaceFirst("^0*", ""), respId, requestNo.toString());
     }
 
+    public void remove(String devId) {
+        sessionMap.remove(devId);
+    }
 }