diff --git a/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/layouts/DAGLayout.java b/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/layouts/DAGLayout.java
index c09178c..2665efe 100644
--- a/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/layouts/DAGLayout.java
+++ b/AlgebraicDataflowArchitectureModel/src/graphicalrefactor/layouts/DAGLayout.java
@@ -40,7 +40,7 @@
 					mxGraphView view = graph.getView();
 					mxCellState state = view.getState(cell);
 					
-					if (!"ellipse".equals(state.getStyle().get("shape")) && (cell.getEdgeCount() == 1)) {
+					if (!"ellipse".equals(state.getStyle().get("shape")) && (cell.getEdgeCount() == 1) && !"true".equals(state.getStyle().get("dashed"))) {
 						List<mxCell> newline = new ArrayList<mxCell>();
 						map.add(newline);
 						lines(map, cell);
@@ -48,7 +48,7 @@
 				}
 			}
 			
-			// ���בւ�
+			// ���בւ�
 			sort(map, 0, false);
 			
 			// layout
@@ -94,9 +94,11 @@
 		mapping.get(mapping.size()-1).add(next);
 		int tagcount = 0;
 		mxCell edge;
+		mxGraphView view = graph.getView();
 		for (int i = 0; i < next.getEdgeCount(); i++) {
 			edge = (mxCell) next.getEdgeAt(i);
-			if (next != (mxCell) edge.getTarget() && ((mxCell) edge.getTarget() != null)) {
+			mxCellState state = view.getState(edge);
+			if (next != (mxCell) edge.getTarget() && ((mxCell) edge.getTarget() != null) && !"true".equals(state.getStyle().get("dashed"))) {
 				tagcount++;
 				if (tagcount > 1) {
 					List<mxCell> newline = new ArrayList<mxCell>(mapping.get(mapping.size()-1));