diff --git a/src/web/client/card_matching.html b/src/web/client/card_matching.html
index eceb4f8..0c8974f 100644
--- a/src/web/client/card_matching.html
+++ b/src/web/client/card_matching.html
@@ -62,7 +62,7 @@
 		<script src="../../game/lib/experience_app_timer.js"></script>
 		<script src="../../game/lib/stage_timer.js"></script>
 
-		<!-- Space Invaders : source files -->
+		<!-- Card matching : source files -->
 		<script src="../../game/mouse/card_matching/loading.js"></script>
 
 		<script src="../../game/mouse/card_matching/dude_card.js"></script>
diff --git a/src/web/client/login.html b/src/web/client/login.html
index 830323f..c29d550 100644
--- a/src/web/client/login.html
+++ b/src/web/client/login.html
@@ -35,25 +35,116 @@
 		<script src="../../../resources/js/phaser.min.js"></script>
 
 		<!-- global source files -->
-		<script src="../../game/lib/session_storage_manager.js"></script>
-		<script src="../../game/lib/global/global_variables.js?update_date=191224"></script>
+		<script src="../../game/lib/session_storage_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/global/global_variables.js?update_date=190908"></script>
 
 		<!-- library source files -->
-		<script src="../../game/lib/util/number_util.js"></script>
+		<script src="../../game/lib/color/main_color.js?update_date=190908"></script>
 
-		<script src="../../game/lib/text/input_type_text.js?update_date=191224"></script>
-		<script src="../../game/lib/text/screen_top_ui.js?update_date=191224"></script>
+		<script src="../../game/lib/util/number_util.js?update_date=190908"></script>
+		<script src="../../game/lib/util/string_util.js?update_date=190908"></script>
+		<script src="../../game/lib/util/record_util.js?update_date=190908"></script>
+		<script src="../../game/lib/util/date_util.js?update_date=190908"></script>
+		<script src="../../game/lib/util/time_util.js?update_date=190908"></script>
 
-		<script src="../../game/lib/keyboard_shortcut.js"></script>
-		<script src="../../game/lib/button/round_rect_button.js"></script>
-		<script src="../../game/lib/button/home_button.js"></script>
-		<script src="../../game/lib/button/back_button.js"></script>
-		<script src="../../game/lib/button/fullscreen_button.js"></script>
-		<script src="../../game/lib/db_connect_manager.js"></script>
+		<script src="../../game/lib/text/input_type_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/screen_top_ui.js?update_date=190908"></script>
+		<script src="../../game/lib/text/screen_bottom_ui.js?update_date=190908"></script>
+		<script src="../../game/lib/text/mission_clear_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/time_over_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/game_over_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/score_board.js?update_date=190908"></script>
+		<script src="../../game/lib/text/score_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/combo_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/announce_box.js?update_date=190908"></script>
+		<script src="../../game/lib/text/how_to_play.js?update_date=190908"></script>
+		<script src="../../game/lib/text/history_text.js?update_date=190908"></script>
+		<script src="../../game/lib/text/ranking_text.js?update_date=190908"></script>
 
-		<!-- source files -->
-		<script src="../../game/login/login.js"></script>
-		<script src="../../game/login/main.js"></script>
+		<script src="../../game/lib/button/round_rect_button.js?update_date=190908"></script>
+		<script src="../../game/lib/button/home_button.js?update_date=190908"></script>
+		<script src="../../game/lib/button/back_button.js?update_date=190908"></script>
+		<script src="../../game/lib/button/fullscreen_button.js?update_date=190908"></script>
+		<script src="../../game/lib/button/game_app_button.js?update_date=190908"></script>
+		<script src="../../game/lib/button/typing_tab_button.js?update_date=190908"></script>
+
+		<script src="../../game/lib/flat_button/button_setting.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/basic_button.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/setting_button.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/tab_setting.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/basic_tab.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/app_group_tab.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/language_tab.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/tab_layout.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/typing_app_button.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/typing_exam_button.js?update_date=190908"></script>
+		<script src="../../game/lib/flat_button/play_app_button.js?update_date=190908"></script>
+
+		<script src="../../game/lib/sprite/sprite_icon_timer.js?update_date=190908"></script>
+
+		<script src="../../game/lib/db_connect_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/db_service.js?update_date=190908"></script>
+		<script src="../../game/lib/history_record_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/ranking_record_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/score_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/heart_manager.js?update_date=190908"></script>
+		<script src="../../game/lib/experience_app_timer.js?update_date=190908"></script>
+		<script src="../../game/lib/realtime_stage_timer.js?update_date=190908"></script>
+		<script src="../../game/lib/stage_timer.js?update_date=190908"></script>
+		<script src="../../game/lib/heart_gauge.js?update_date=190908"></script>
+		<script src="../../game/lib/chart.js?update_date=190908"></script>
+		<script src="../../game/lib/keyboard_shortcut.js?update_date=190908"></script>
+		<script src="../../game/lib/animal.js?update_date=190908"></script>
+		<script src="../../game/lib/animal_record_list.js?update_date=190908"></script>
+
+		<script src="../../web/js/lib/account_validator.js?update_date=190908"></script>
+
+		<!-- login : source files -->
+		<script src="../../game/login/login.js?update_date=190908"></script>
+		<script src="../../game/login/main.js?update_date=190908"></script>
+
+		<!-- Practice typing : text files -->
+		<script src="../../game/typing/alphabet_list/korean_basic.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_left_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_second_finger.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_right_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_left_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_right_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_left_upper_double.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_right_upper_double.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_word.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/korean_sentence.js?update_date=190908"></script>
+
+		<script src="../../game/typing/alphabet_list/english_basic.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_left_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_left_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_right_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_right_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_second_finger.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_upper_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_sentence.js?update_date=190908"></script>
+		<script src="../../game/typing/alphabet_list/english_word.js?update_date=190908"></script>
+
+		<!-- Test typing : text files -->
+		<script src="../../game/typing/word_list/korean_basic.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_left_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_second_finger.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_right_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_left_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_right_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_left_upper_double.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_right_upper_double.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_word.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/korean_sentence.js?update_date=190908"></script>
+
+		<script src="../../game/typing/word_list/english_basic.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_left_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_left_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_right_lower.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_right_upper.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_second_finger.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_sentence.js?update_date=190908"></script>
+		<script src="../../game/typing/word_list/english_word.js?update_date=190908"></script>
 
 
 		<style>
diff --git a/src/web/client/main_menu.html b/src/web/client/main_menu.html
index fc8eac4..ac12277 100644
--- a/src/web/client/main_menu.html
+++ b/src/web/client/main_menu.html
@@ -72,7 +72,7 @@
 		<script src="../../game/lib/animal.js"></script>
 		<script src="../../game/lib/animal_record_list.js"></script>
 
-		<!-- source files -->
+		<!-- Main menu : source files -->
 		<script src="../../game/main_menu/main_menu.js"></script>
 		<script src="../../game/main_menu/main.js"></script>
 		<script src="../../game/main_menu/welcome_player_text.js"></script>
diff --git a/src/web/client/menu_app.html b/src/web/client/menu_app.html
index be2d382..df4d0c3 100644
--- a/src/web/client/menu_app.html
+++ b/src/web/client/menu_app.html
@@ -52,7 +52,7 @@
 		<script src="../../game/lib/button/typing_tab_button.js"></script>
 		<script src="../../game/lib/db_connect_manager.js"></script>
 
-		<!-- source files -->
+		<!-- Menu app : source files -->
 		<script src="../../game/menu/menu_app.js"></script>
 		<script src="../../game/menu/main_menu_app.js"></script>
 		<script src="../../game/menu/welcome_player_text.js"></script>
diff --git a/src/web/client/menu_app_play_free.html b/src/web/client/menu_app_play_free.html
index 0c7f8f7..ae5b938 100644
--- a/src/web/client/menu_app_play_free.html
+++ b/src/web/client/menu_app_play_free.html
@@ -49,11 +49,10 @@
 		<script src="../../game/lib/button/round_rect_button.js"></script>
 		<script src="../../game/lib/button/back_button.js"></script>
 		<script src="../../game/lib/button/fullscreen_button.js"></script>
-		<script src="../../game/lib/button/app_button.js"></script>
 		<script src="../../game/lib/button/game_app_button.js"></script>
 		<script src="../../game/lib/db_connect_manager.js"></script>
 
-		<!-- source files -->
+		<!-- Menu app play free : source files -->
 		<script src="../../game/menu/menu_app.js"></script>
 		<script src="../../game/menu/main_menu_app.js"></script>
 
diff --git a/src/web/client/menu_typing_exam.html b/src/web/client/menu_typing_exam.html
index e66fbbe..eb39214 100644
--- a/src/web/client/menu_typing_exam.html
+++ b/src/web/client/menu_typing_exam.html
@@ -57,7 +57,7 @@
 		<script src="../../game/lib/db_service.js"></script>
 		<script src="../../game/typing/lib/animal.js"></script>
 
-		<!-- source files -->
+		<!-- Menu typing exam : source files -->
 		<script src="../../game/menu/app_area_bg.js"></script>
 		<script src="../../game/menu/animal_record_list.js"></script>
 		<script src="../../game/menu/menu_typing_exam.js"></script>
diff --git a/src/web/client/menu_typing_practice.html b/src/web/client/menu_typing_practice.html
index 4d29343..ca2c037 100644
--- a/src/web/client/menu_typing_practice.html
+++ b/src/web/client/menu_typing_practice.html
@@ -55,7 +55,7 @@
 		<script src="../../game/lib/db_connect_manager.js"></script>
 		<script src="../../game/typing/lib/animal.js?update_date=191224"></script>
 
-		<!-- source files -->
+		<!-- Menu typing practice : source files -->
 		<script src="../../game/menu/app_area_bg.js"></script>
 		<script src="../../game/menu/animal_record_list.js"></script>
 		<script src="../../game/menu/menu_typing_practice.js"></script>
diff --git a/src/web/client/menu_typing_test.html b/src/web/client/menu_typing_test.html
index 34fce8d..a4a6916 100644
--- a/src/web/client/menu_typing_test.html
+++ b/src/web/client/menu_typing_test.html
@@ -55,7 +55,7 @@
 		<script src="../../game/lib/db_connect_manager.js"></script>
 		<script src="../../game/typing/lib/animal.js?update_date=191224"></script>
 
-		<!-- source files -->
+		<!-- Menu typing test : source files -->
 		<script src="../../game/menu/app_area_bg.js"></script>
 		<script src="../../game/menu/animal_record_list.js"></script>
 		<script src="../../game/menu/menu_typing_test.js"></script>
diff --git a/src/web/client/onetofifty.html b/src/web/client/onetofifty.html
index 3beef03..d70a3d9 100644
--- a/src/web/client/onetofifty.html
+++ b/src/web/client/onetofifty.html
@@ -62,7 +62,7 @@
 		<script src="../../game/lib/experience_app_timer.js"></script>
 		<script src="../../game/lib/stage_timer.js"></script>
 
-		<!-- Space Invaders : source files -->
+		<!-- One to fifty : source files -->
 		<script src="../../game/mouse/one_to_fifty/loading.js"></script>
 
 		<script src="../../game/mouse/one_to_fifty/stop_watch.js"></script>
diff --git a/src/web/client/result.html b/src/web/client/result.html
index 534d104..a74944e 100644
--- a/src/web/client/result.html
+++ b/src/web/client/result.html
@@ -43,7 +43,7 @@
 		<script src="../../game/lib/button/fullscreen_button.js"></script>
 		<script src="../../game/typing/lib/animal.js?update_date=191224"></script>
 
-		<!-- source files -->
+		<!-- Result : source files -->
 		<script src="../../game/result/history_board.js?update_date=190608"></script>
 		<script src="../../game/result/ranking_board.js?update_date=190608"></script>
 		<script src="../../game/result/record_board.js?update_date=190608"></script>
diff --git a/src/web/client/setup.html b/src/web/client/setup.html
index 71b12c9..ae8f8b0 100644
--- a/src/web/client/setup.html
+++ b/src/web/client/setup.html
@@ -55,7 +55,7 @@
 		<script src="../../web/js/lib/account_validator.js"></script>
 
 
-		<!-- source files -->
+		<!-- Setup : source files -->
 		<script src="../../game/setup/setup.js"></script>
 		<script src="../../game/setup/main.js"></script>
 
diff --git a/src/web/client/start.html b/src/web/client/start.html
index 6cd15f5..3d4f9f6 100644
--- a/src/web/client/start.html
+++ b/src/web/client/start.html
@@ -39,7 +39,7 @@
 		<script src="../../game/lib/button/fullscreen_button.js"></script>
 		<script src="../../game/lib/chart.js?update_date=190608"></script>
 
-		<!-- source files -->
+		<!-- Start : source files -->
 		<script src="../../game/start/start.js?update_date=190608"></script>
 		<script src="../../game/start/main.js"></script>
 
diff --git a/src/web/client/typing_practice.html b/src/web/client/typing_practice.html
index 0ca5bf5..d7e6749 100644
--- a/src/web/client/typing_practice.html
+++ b/src/web/client/typing_practice.html
@@ -60,7 +60,7 @@
 		<script src="../../game/lib/experience_app_timer.js"></script>
 		<script src="../../game/lib/stage_timer.js"></script>
 
-		<!-- Test typing : source files -->
+		<!-- Practice typing : source files -->
 		<script src="../../game/typing/alphabet_list/korean_basic.js"></script>
 		<script src="../../game/typing/alphabet_list/korean_left_upper.js"></script>
 		<script src="../../game/typing/alphabet_list/korean_second_finger.js"></script>
@@ -82,7 +82,7 @@
 		<script src="../../game/typing/alphabet_list/english_sentence.js"></script>
 		<script src="../../game/typing/alphabet_list/english_word.js"></script>
 
-		<!-- Test typing : source files -->
+		<!-- Practice typing : source files -->
 		<script src="../../game/typing/lib/typing_text_manager.js"></script>
 		<script src="../../game/typing/lib/typing_content_bg.js?update_date=190517"></script>
 		<script src="../../game/typing/lib/key_mapper.js"></script>