diff --git a/HowToDAGScheduling/Compiler.cpp b/HowToDAGScheduling/Compiler.cpp
index 43f176f..695e0da 100644
--- a/HowToDAGScheduling/Compiler.cpp
+++ b/HowToDAGScheduling/Compiler.cpp
@@ -4,25 +4,26 @@
 Compiler::Compiler()
 {
 	_console_field = Rect(LAYOUT::MERGIN * Point(2, 1) + LAYOUT::DAG_SPACE_SIZE * Point(1, 0), LAYOUT::CONSOLE_SPACE_SIZE);
+	_font = Font(16);
 }
 
 void Compiler::compile(DAG& dag, SchedGrid& grid)
 {
-	ClearPrint();
 	CompileLog grid_log = grid.compile(dag);
 	CompileLog dag_log = dag.compile(grid);
 	if (grid_log._success != true || dag_log._success != true)
 	{
-		Print << U"Compile Failer";
+		_message.append(U"Compile Failer\n");
 		if (grid_log._success != true)
-			Print << grid_log._message;
+			_message.append(grid_log._message);
 		if (dag_log._success != true)
-			Print << dag_log._message;
+			_message.append(dag_log._message);
 	}
 	else
-		Print << U"Compile Success";
+		_message.append(U"Compile Success");
 }
 
 void Compiler::draw()
 {
+	_font(_message).draw(_console_field);
 }
diff --git a/HowToDAGScheduling/Compiler.h b/HowToDAGScheduling/Compiler.h
index 35fff08..5b6e475 100644
--- a/HowToDAGScheduling/Compiler.h
+++ b/HowToDAGScheduling/Compiler.h
@@ -7,12 +7,13 @@ class Compiler
 {
 private:
 	Rect _console_field;
+	Font _font;
+	String _message;
 public:
 	Compiler();
 
 	void compile(DAG& dag, SchedGrid& grid);
 
-
 	void draw_field() { _console_field.draw(LAYOUT::FIELD_COLOR); };
 	void draw();
 };