diff --git a/src/game/typing/examination/game.js b/src/game/typing/examination/game.js
index fa90ae6..05262f5 100644
--- a/src/game/typing/examination/game.js
+++ b/src/game/typing/examination/game.js
@@ -161,10 +161,8 @@ TypingExamination.prototype.makeTextContents = function() {
 
 
 	// typed done contents
-	var textDoneColor = [ '#99994d', '#88884d', '#77774d', '#66664d' ];
-	// var textDoneColor = [ '#99994d', '#99994d', '#99994d', '#99994d' ];
 	this.textTypingContentsDone = [];
-	this.textTypingRecordsDone = [];
+	this.textDoneLineNumber = [];
 	for(var i = 0; i < TypingExamination.TYPING_CONTENT_DONE_COUNT; i++) {
 		this.textTypingContentsDone[i] = this.makeUnderlineText(
 			TYPING_CONTENT_X,
@@ -173,17 +171,15 @@ TypingExamination.prototype.makeTextContents = function() {
 		this.textTypingContentsDone[i].style.fill = TypingExamination.COLOR_DONE_INPUT_STRING;
 		this.textTypingContentsDone[i].style.backgroundColor = TypingExamination.COLOR_CORRECT_INPUT_BACKGROUND_STRING;
 
-		this.textTypingRecordsDone[i] = this.makeLineText(
+		this.textDoneLineNumber[i] = this.makeLineText(
 			LINE_POS_X,
 			TYPING_CONTENT_Y - DONE_OFFSET_Y - i * TEXT_HEIGHT,
 		);
 	}
 
 	// preview contents
-	var textPreviewColor = [ '#999999', '#888888', '#777777', '#666666' ];
-	// var textPreviewColor = [ '#999999', '#999999', '#999999', '#999999' ];
 	this.textTypingContentPreview = [];
-	this.textLineNumber = [];
+	this.textPreviewLineNumber = [];
 	for(var i = 0; i < TypingExamination.TYPING_CONTENT_PREVIEW_COUNT; i++) {
 		this.textTypingContentPreview[i] = this.makeUnderlineText(
 			TYPING_CONTENT_X,
@@ -191,7 +187,7 @@ TypingExamination.prototype.makeTextContents = function() {
 		);
 		this.textTypingContentPreview[i].style.fill = TypingExamination.COLOR_NOT_INPUT_STRING;
 
-		this.textLineNumber[i] = this.makeLineText(
+		this.textPreviewLineNumber[i] = this.makeLineText(
 			LINE_POS_X,
 			TYPING_CONTENT_Y + PREVIEW_OFFSET_Y + i * TEXT_HEIGHT,
 		);
@@ -374,8 +370,19 @@ TypingExamination.prototype.completeLoadingWriting = function() {
 	var writing = game.cache.getText("writing");
 	var examinationContent = writing.split("\n");
 
-	for(var i = 0; i < examinationContent.length; i++) {
+	var count = examinationContent.length;
+	for(var i = 0; i < count; i++) {
+		// add enter character
 		examinationContent[i] = examinationContent[i].replace(/\r/g, "");
+		/*
+		console.log(examinationContent[i]);
+		if(examinationContent[i] == "\r")
+			examinationContent[i] = examinationContent[i].replace(/\r/g, "");
+		else
+			examinationContent[i] = examinationContent[i].replace(/\r/g, TypingExamination.ENTER_INDICATOR);
+		*/
+
+		// add space indicator character
 		// examinationContent[i] = examinationContent[i].replace(/ /g, TypingExamination.SPACE_INDICATOR);
 	}
 
@@ -413,13 +420,13 @@ TypingExamination.prototype.showTypingExaminationContents = function() {
 		var doneIndex = this.typingIndex - i - 1;
 		if(doneIndex < 0) {
 			this.textTypingContentsDone[i].text = "";
-			this.textTypingRecordsDone[i].text = "";
+			this.textDoneLineNumber[i].text = "";
 		} else {
 			this.textTypingContentsDone[i].text = this.typingExaminationContents[doneIndex];
-			// this.textTypingRecordsDone[i].text = NumberUtil.getRecordText(Math.floor(this.typingRecordForLines[doneIndex]));
+			// this.textDoneLineNumber[i].text = NumberUtil.getRecordText(Math.floor(this.typingRecordForLines[doneIndex]));
 
 			var lineNumber = this.typingContentLength - doneIndex;
-			this.textTypingRecordsDone[i].text = NumberUtil.numberWithCommas(lineNumber) + " ";
+			this.textDoneLineNumber[i].text = NumberUtil.numberWithCommas(lineNumber) + " ";
 		}
 	}
 
@@ -439,10 +446,10 @@ TypingExamination.prototype.showTypingExaminationContents = function() {
 			this.textTypingContentPreview[i].text = previewText;
 
 			var lineNumber = this.typingContentLength - this.typingIndex - 1 - i;
-			this.textLineNumber[i].text = NumberUtil.numberWithCommas(lineNumber) + " ";
+			this.textPreviewLineNumber[i].text = NumberUtil.numberWithCommas(lineNumber) + " ";
 		} else {
 			this.textTypingContentPreview[i].text = "";
-			this.textLineNumber[i].text = "";
+			this.textPreviewLineNumber[i].text = "";
 		}
 	}
 }
@@ -506,8 +513,8 @@ TypingExamination.prototype.showTypingContentHighlight = function(inputContent,
 	for(var i = 0; i < typingContentLength; i++) {
 		var typingChar = typingContent.charAt(i);
 		var inputChar = inputContent.charAt(i);
-		console.log("typingChar : " + typingChar);
-		console.log("inputChar : " + inputChar);
+		// console.log("typingChar : " + typingChar);
+		// console.log("inputChar : " + inputChar);
 
 		// when typingChar is the last letter
 		if(isNaN(inputChar)) {
@@ -516,8 +523,8 @@ TypingExamination.prototype.showTypingContentHighlight = function(inputContent,
 		}
 
 		if(typingChar != inputChar) {
-			console.log("inputContent.charAt(" + i + ") : " + inputContent.charCodeAt(i).toString(16) + ", " + inputChar);
-			console.log("typingContent.charAt(" + i + ") : " + typingContent.charCodeAt(i).toString(16) + ", " + typingChar);
+			// console.log("inputContent.charAt(" + i + ") : " + inputContent.charCodeAt(i).toString(16) + ", " + inputChar);
+			// console.log("typingContent.charAt(" + i + ") : " + typingContent.charCodeAt(i).toString(16) + ", " + typingChar);
 
 			this.textNextLetterIndicator.text = typingContent.substring(0, i + 1);
 			this.setCorrectText(typingContent.substring(0, i));