diff --git a/resources/graphics/Screen/returnButton.png b/resources/graphics/Screen/returnButton.png
deleted file mode 100644
index 28bcfe9..0000000
Binary files a/resources/graphics/Screen/returnButton.png and /dev/null differ
diff --git a/source/component/menubar.py b/source/component/menubar.py
index d11ef42..6eb4330 100755
--- a/source/component/menubar.py
+++ b/source/component/menubar.py
@@ -13,7 +13,7 @@ def getSunValueImage(sun_value):
     msg_rect = msg_image.get_rect()
     msg_w = msg_rect.width
 
-    image = pg.Surface([width, 17])
+    image = pg.Surface((width, 17))
     x = width - msg_w
 
     image.fill(c.LIGHTYELLOW)
diff --git a/source/constants.py b/source/constants.py
index e5ed656..3204b57 100755
--- a/source/constants.py
+++ b/source/constants.py
@@ -79,7 +79,6 @@ EXIT = 'exit'
 # 游戏界面可选的菜单
 LITTLE_MENU = 'littleMenu'
 BIG_MENU = 'bigMenu'
-RETURN_BUTTON = 'returnButton'
 RESTART_BUTTON = 'restartButton'
 MAINMENU_BUTTON = 'mainMenuButton'
 LITTLEGAME_BUTTON = 'littleGameButton'
diff --git a/source/state/level.py b/source/state/level.py
index 2ce90dc..4fd2c9b 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -510,12 +510,20 @@ class Level(tool.State):
         self.big_menu_rect.x = 150
         self.big_menu_rect.y = 0
 
-        # 返回按钮
-        frame_rect = (0, 0, 342, 87)
-        self.return_button = tool.get_image_menu(tool.GFX[c.RETURN_BUTTON], *frame_rect, c.BLACK, 1.1)
+        # 返回按钮，用字体渲染实现，增强灵活性
+        # 建立一个按钮大小的surface对象
+        self.return_button = pg.Surface((376, 96))
+        self.return_button.set_colorkey(c.BLACK)    # 避免多余区域显示成黑色
         self.return_button_rect = self.return_button.get_rect()
         self.return_button_rect.x = 220
         self.return_button_rect.y = 440
+        font = pg.font.Font(c.FONT_PATH, 40)
+        font.bold = True
+        text = font.render("返回游戏", True, c.YELLOWGREEN)
+        text_rect = text.get_rect()
+        text_rect.x = 105
+        text_rect.y = 18
+        self.return_button.blit(text, text_rect)
 
         # 重新开始按钮
         frame_rect = (0, 0, 207, 45)
diff --git a/source/state/mainmenu.py b/source/state/mainmenu.py
index d4db631..8a24ed9 100644
--- a/source/state/mainmenu.py
+++ b/source/state/mainmenu.py
@@ -167,12 +167,20 @@ class Menu(tool.State):
         self.big_menu_rect.x = 150
         self.big_menu_rect.y = 0
 
-        # 返回按钮
-        frame_rect = (0, 0, 342, 87)
-        self.return_button = tool.get_image_menu(tool.GFX[c.RETURN_BUTTON], *frame_rect, c.BLACK, 1.1)
+        # 返回按钮，用字体渲染实现，增强灵活性
+        # 建立一个按钮大小的surface对象
+        self.return_button = pg.Surface((376, 96))
+        self.return_button.set_colorkey(c.BLACK)    # 避免多余区域显示成黑色
         self.return_button_rect = self.return_button.get_rect()
         self.return_button_rect.x = 220
         self.return_button_rect.y = 440
+        font = pg.font.Font(c.FONT_PATH, 40)
+        font.bold = True
+        text = font.render("返回游戏", True, c.YELLOWGREEN)
+        text_rect = text.get_rect()
+        text_rect.x = 105
+        text_rect.y = 18
+        self.return_button.blit(text, text_rect)
 
         # 音量+、音量-
         frame_rect = (0, 0, 39, 41)