diff --git a/resources/huawen.TTF b/resources/huawen.TTF
new file mode 100644
index 0000000..94dc60a
Binary files /dev/null and b/resources/huawen.TTF differ
diff --git a/source/component/menubar.py b/source/component/menubar.py
index b06e8d2..265d5d4 100644
--- a/source/component/menubar.py
+++ b/source/component/menubar.py
@@ -1,3 +1,4 @@
+import os
 import random
 import pygame as pg
 from .. import tool
@@ -25,7 +26,9 @@ plant_frozen_time_list = [7500, 7500, 7500, 30000, 50000, 7500, 7500, 7500, 7500
 all_card_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]
 
 def getSunValueImage(sun_value):
-    font = pg.font.SysFont(None, 22)
+    # for pack, must use other ttf
+    fontPath = os.path.join('resources', 'huawen.TTF')
+    font = pg.font.Font(fontPath, 14)
     width = 32
     msg_image = font.render(str(sun_value), True, c.NAVYBLUE, c.LIGHTYELLOW)
     msg_rect = msg_image.get_rect()
diff --git a/source/tool.py b/source/tool.py
index 52b179a..6fff94a 100644
--- a/source/tool.py
+++ b/source/tool.py
@@ -4,11 +4,12 @@ from abc import abstractmethod
 import pygame as pg
 from . import constants as c
 
+# an abstract class, one state of automata
 class State():
     def __init__(self):
         self.start_time = 0.0
         self.current_time = 0.0
-        self.done = False
+        self.done = False   # is it finished
         self.next = None
         self.persist = {}
     
@@ -24,6 +25,7 @@ class State():
     def update(self, surface, keys, current_time):
         '''abstract method'''
 
+# control this game. do event loops
 class Control():
     def __init__(self):
         self.screen = pg.display.get_surface()
@@ -73,6 +75,8 @@ class Control():
                 self.mouse_pos = pg.mouse.get_pos()
                 self.mouse_click[0], _, self.mouse_click[1] = pg.mouse.get_pressed()
                 print('pos:', self.mouse_pos, ' mouse:', self.mouse_click)
+            else:
+                print(pg.event.event_name(event.type))
 
 
     def main(self):