--- a/src/main/java/christie/topology/manager/TopologyManagerConfig.java	Wed Sep 05 09:04:06 2018 +0900
+++ b/src/main/java/christie/topology/manager/TopologyManagerConfig.java	Wed Sep 05 09:43:22 2018 +0900
@@ -5,6 +5,7 @@
 public class TopologyManagerConfig extends Config {
     public boolean showTime = false;
     public String confFilePath;
+    public boolean dynamic = false;
     public TopologyType type = TopologyType.Tree;
     public int hasChild = 2;
 
@@ -24,5 +25,7 @@
                 showTime = true;
             }
         }
+
+        if (confFilePath == null) dynamic = true;
     }
 }