diff --git a/src/game/lib/score_manager.js b/src/game/lib/score_manager.js
index de1da62..db5bc12 100644
--- a/src/game/lib/score_manager.js
+++ b/src/game/lib/score_manager.js
@@ -8,12 +8,14 @@ class ScoreManager {
 	}
 
 	resetScore() {
-		sessionStorageManager.record = 0;
-		this.score = Number(sessionStorageManager.record);
+		// this.score = Number(sessionStorageManager.record);
+		this.score = 0;
+		sessionStorageManager.record = this.score;
 
 		if(sessionStorageManager.bestRecord === null)
-			sessionStorageManager.bestRecord = 0;
-		this.highScore = Number(sessionStorageManager.bestRecord);
+			this.highScore = 0;
+		else
+			this.highScore = Number(sessionStorageManager.bestRecord);
 	}
 
 	callListener(functionArray) {
diff --git a/src/game/lib/screen_bottom.js b/src/game/lib/screen_bottom.js
index fcdc6d7..219cbc3 100644
--- a/src/game/lib/screen_bottom.js
+++ b/src/game/lib/screen_bottom.js
@@ -64,7 +64,8 @@ class ScreenBottom {
 	}
 
 	printBottomLeftTextWithBestRecord(bestRecord) {
-		this.printBottomLeftText("오늘의 최고 기록 : " + bestRecord);
+		let highScoreWithCommas = NumberUtil.numberWithCommas(bestRecord);
+		this.printBottomLeftText("오늘의 최고 기록 : " + highScoreWithCommas);
 	}
 
 }
\ No newline at end of file
diff --git a/src/game/lib/session_storage_manager.js b/src/game/lib/session_storage_manager.js
index 630e32e..e09256d 100644
--- a/src/game/lib/session_storage_manager.js
+++ b/src/game/lib/session_storage_manager.js
@@ -83,4 +83,13 @@ class SessionStorageManager {
 		return sessionStorage.getItem("isNewBestRecord");
 	}
 
+	resetPlayingAppData() {
+		sessionStorage.playingAppID = null;
+		sessionStorage.playingAppName = null;
+		sessionStorage.playingAppKoreanName = null;
+		sessionStorage.record = null;
+		sessionStorage.bestRecord = null;
+
+	}
+
 }
\ No newline at end of file
diff --git a/src/game/mouse/space_invaders/game.js b/src/game/mouse/space_invaders/game.js
index 7fc64e4..19e27c9 100644
--- a/src/game/mouse/space_invaders/game.js
+++ b/src/game/mouse/space_invaders/game.js
@@ -10,6 +10,7 @@ class Game {
 
 		// top
 		let backButton = new BackButton( () => {
+			sessionStorageManager.resetPlayingAppData();
 			location.href = '../../web/client/menu_app.html';
 		});
 
@@ -28,6 +29,7 @@ class Game {
 			scoreBoard.printScore(NumberUtil.numberWithCommas(score));
 		});
 		scoreManager.addOnChangeHighScoreListener( highScore => {
+			console.log(highScore);
 			sessionStorageManager.bestRecord = highScore;
 			sessionStorageManager.isNewBestRecrd = true;
 			screenBottom.printBottomLeftTextWithBestRecord(sessionStorageManager.bestRecord);
diff --git a/src/game/result/result.js b/src/game/result/result.js
index 169172f..14b32a1 100644
--- a/src/game/result/result.js
+++ b/src/game/result/result.js
@@ -16,6 +16,7 @@ class Result {
 
 		// top
 		let backButton = new BackButton( () => {
+			sessionStorageManager.resetPlayingAppData();
 			location.href = '../../web/client/menu_app.html';
 		});
 
diff --git a/src/game/start/start.js b/src/game/start/start.js
index 916ac19..8d4f82a 100644
--- a/src/game/start/start.js
+++ b/src/game/start/start.js
@@ -74,14 +74,16 @@ class Start {
 			sessionStorageManager.playerUserID,
 			sessionStorageManager.playingAppID,
 			replyJSON => {
-				sessionStorageManager.BestRecord = Number(replyJSON["BestRecord"]);
-				let highScoreWithCommas = NumberUtil.numberWithCommas(sessionStorageManager.BestRecord);
-				screenBottom.printBottomLeftText("오늘의 최고 기록 : " + highScoreWithCommas);
+				sessionStorageManager.bestRecord = Number(replyJSON["BestRecord"]);
+				// let highScoreWithCommas = NumberUtil.numberWithCommas(sessionStorageManager.bestRecord);
+				// screenBottom.printBottomLeftText("오늘의 최고 기록 : " + highScoreWithCommas);
+				screenBottom.printBottomLeftTextWithBestRecord(sessionStorageManager.bestRecord);
 			},
 			replyJSON => {	// no data
-				sessionStorageManager.BestRecord = 0;
-				let highScoreWithCommas = NumberUtil.numberWithCommas(sessionStorageManager.BestRecord);
-				screenBottom.printBottomLeftText("오늘의 최고 기록 : " + highScoreWithCommas);
+				sessionStorageManager.bestRecord = 0;
+				// let highScoreWithCommas = NumberUtil.numberWithCommas(sessionStorageManager.bestRecord);
+				// screenBottom.printBottomLeftText("오늘의 최고 기록 : " + highScoreWithCommas);
+				screenBottom.printBottomLeftTextWithBestRecord(sessionStorageManager.bestRecord);
 			}
 		);
 	}
diff --git a/src/web/server/record/history_record.php b/src/web/server/record/history_record.php
index e8139d5..61ca2df 100644
--- a/src/web/server/record/history_record.php
+++ b/src/web/server/record/history_record.php
@@ -29,7 +29,7 @@ function get_history_record($maestro_id, $app_id, $user_id, $date) {
 		SELECT DATE(BR.RecordDateTime) AS Date, MAX(BR.BestRecord) AS HighScore, AA.AppName AS AppName
 		FROM moty_best_record BR
 	    INNER JOIN moty_app AS AA
-	    	ON BR.MaestroID = ? AND BR.UserID = ? AND DATE(BR.RecordDateTime) < ? AND BR.AppID = ? AND BR.AppID = AA.AppID
+	    	ON BR.MaestroID = ? AND BR.UserID = ? AND DATE(BR.RecordDateTime) <= ? AND BR.AppID = ? AND BR.AppID = AA.AppID
 		GROUP BY DATE(BR.RecordDateTime)
 		ORDER BY BR.RecordDateTime DESC
 		LIMIT 7