1078-修复断开连接时设备未下线的BUG

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

@@ -59,6 +59,7 @@ public enum SessionManager {
      */
     protected void put(Object clientId, Session newSession) {
         sessionMap.put(clientId, newSession);
+        System.out.println(sessionMap.size());
     }