diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index 5e989de..c82a35b 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -7,8 +7,8 @@ public class Simulator extends Thread {
 
 	private MyInterface mjf;
 	
-	private final int COL_NUM = 100;
-	private final int LINE_NUM = 100;
+	private final int COL_NUM = 500;
+	private final int LINE_NUM = 500;
 	private final int LIFE_TYPE_NUM = 4;
 	//Conway Radius : 1
 	private final int LIFE_AREA_RADIUS = 1;