diff --git a/src/game/lib/string_util.js b/src/game/lib/string_util.js
index c59dd42..f8574a0 100644
--- a/src/game/lib/string_util.js
+++ b/src/game/lib/string_util.js
@@ -2,7 +2,6 @@ function StringUtil() {
 }
 
 StringUtil.printMonthDay = function(date) {
-	console.log(date);
 	// let dateTime = new Date(date);
 	var a = date.split(" ");
 	var d = a[0].split("-");
@@ -10,9 +9,6 @@ StringUtil.printMonthDay = function(date) {
 	if(a.count > 0)
 		var t = a[1].split(":");
 	var dateTime = new Date(d[0],(d[1]-1),d[2],t[0],t[1],t[2]);
-	console.log(dateTime);
-	console.log("month : " + dateTime.getMonth());
-	console.log("date : " + dateTime.getDate());
 	return (dateTime.getMonth() + 1) + "월 " + dateTime.getDate() + "일";
 }
 
diff --git a/src/game/start/start.js b/src/game/start/start.js
index 64d065d..00a3166 100644
--- a/src/game/start/start.js
+++ b/src/game/start/start.js
@@ -122,13 +122,13 @@ var Start = {
 	printSampleChart: function() {
 		var minValue = 0;
 		var maxValue = 1000;
-		this.chart.drawRecordGraph(0, this.calcDate(1), 980, minValue, maxValue);
-		this.chart.drawRecordGraph(1, this.calcDate(2), 760, minValue, maxValue);
-		this.chart.drawRecordGraph(2, this.calcDate(5), 740, minValue, maxValue);
-		this.chart.drawRecordGraph(3, this.calcDate(7), 690, minValue, maxValue);
-		this.chart.drawRecordGraph(4, this.calcDate(8), 710, minValue, maxValue);
-		this.chart.drawRecordGraph(5, this.calcDate(10), 560, minValue, maxValue);
-		this.chart.drawRecordGraph(6, this.calcDate(20), 480, minValue, maxValue);
+		this.chart.drawRecordGraph(0, DateUtil.getYYYYMMDD(this.calcDate(1)), 980, minValue, maxValue);
+		this.chart.drawRecordGraph(1, DateUtil.getYYYYMMDD(this.calcDate(2)), 760, minValue, maxValue);
+		this.chart.drawRecordGraph(2, DateUtil.getYYYYMMDD(this.calcDate(5)), 740, minValue, maxValue);
+		this.chart.drawRecordGraph(3, DateUtil.getYYYYMMDD(this.calcDate(7)), 690, minValue, maxValue);
+		this.chart.drawRecordGraph(4, DateUtil.getYYYYMMDD(this.calcDate(8)), 710, minValue, maxValue);
+		this.chart.drawRecordGraph(5, DateUtil.getYYYYMMDD(this.calcDate(10)), 560, minValue, maxValue);
+		this.chart.drawRecordGraph(6, DateUtil.getYYYYMMDD(this.calcDate(20)), 480, minValue, maxValue);
 
 		this.chart.printChartBaseLine();
 	},