diff --git a/source/component/map.py b/source/component/map.py
index b1e571d..2272e52 100755
--- a/source/component/map.py
+++ b/source/component/map.py
@@ -10,27 +10,27 @@ class Map():
             self.width = c.GRID_POOL_X_LEN
             self.height = c.GRID_POOL_Y_LEN
             self.gridHeightSize = c.GRID_POOL_Y_SIZE
-            self.map = [[(c.INIT_MAP_GRID(c.MAP_GRASS), c.INIT_MAP_GRID(c.MAP_WATER))[y in {2, 3}] for x in range(self.width)] for y in range(self.height)]
+            self.map = [[(self.initMapGrid(c.MAP_GRASS), self.initMapGrid(c.MAP_WATER))[y in {2, 3}] for x in range(self.width)] for y in range(self.height)]
         elif self.background_type in c.ON_ROOF_BACKGROUNDS:
             self.width = c.GRID_ROOF_X_LEN
             self.height = c.GRID_ROOF_Y_LEN
             self.gridHeightSize = c.GRID_ROOF_Y_SIZE
-            self.map = [[c.INIT_MAP_GRID(c.MAP_TILE) for x in range(self.width)] for y in range(self.height)]
+            self.map = [[self.initMapGrid(c.MAP_TILE) for x in range(self.width)] for y in range(self.height)]
         elif self.background_type == c.BACKGROUND_SINGLE:
             self.width = c.GRID_X_LEN
             self.height = c.GRID_Y_LEN
             self.gridHeightSize = c.GRID_Y_SIZE
-            self.map = [[(c.INIT_MAP_GRID(c.MAP_UNAVAILABLE), c.INIT_MAP_GRID(c.MAP_GRASS))[y == 2] for x in range(self.width)] for y in range(self.height)]
+            self.map = [[(self.initMapGrid(c.MAP_UNAVAILABLE), self.initMapGrid(c.MAP_GRASS))[y == 2] for x in range(self.width)] for y in range(self.height)]
         elif self.background_type == c.BACKGROUND_TRIPLE:
             self.width = c.GRID_X_LEN
             self.height = c.GRID_Y_LEN
             self.gridHeightSize = c.GRID_Y_SIZE
-            self.map = [[(c.INIT_MAP_GRID(c.MAP_UNAVAILABLE), c.INIT_MAP_GRID(c.MAP_GRASS))[y in {1, 2, 3}] for x in range(self.width)] for y in range(self.height)]
+            self.map = [[(self.initMapGrid(c.MAP_UNAVAILABLE), self.initMapGrid(c.MAP_GRASS))[y in {1, 2, 3}] for x in range(self.width)] for y in range(self.height)]
         else:
             self.width = c.GRID_X_LEN
             self.height = c.GRID_Y_LEN
             self.gridHeightSize = c.GRID_Y_SIZE
-            self.map = [[c.INIT_MAP_GRID(c.MAP_GRASS) for x in range(self.width)] for y in range(self.height)]
+            self.map = [[self.initMapGrid(c.MAP_GRASS) for x in range(self.width)] for y in range(self.height)]
 
     def isValid(self, map_x, map_y):
         if (map_x < 0 or map_x >= self.width or
@@ -38,6 +38,12 @@ class Map():
             return False
         return True
 
+    # 地图单元格状态
+    # 注意是可变对象，不能直接引用
+    # 由于同一格显然不可能种两个相同的植物，所以用集合
+    def initMapGrid(PLOT_TYPE):
+        return {c.MAP_PLANT:set(), c.MAP_SLEEP:False, c.MAP_PLOT_TYPE:PLOT_TYPE}
+
     # 判断位置是否可用
     # 暂时没有写紫卡植物的判断方法
     # 由于紫卡植物需要移除以前的植物，所以可用另外定义一个函数
diff --git a/source/constants.py b/source/constants.py
index e67541f..dc9e2e8 100755
--- a/source/constants.py
+++ b/source/constants.py
@@ -182,12 +182,6 @@ MAP_GRASS = "grass"
 MAP_WATER = "water"
 MAP_TILE = "tile"  # 指屋顶上的瓦片
 MAP_UNAVAILABLE = "unavailable" # 指完全不能种植物的地方，包括无草皮的荒地和坚果保龄球等红线右侧
-# 地图单元格状态
-# 注意是可变对象，不能直接引用
-# 不喜欢用深拷贝，直接改用函数表示，需要时直接调用该函数生成即可
-# 由于同一格显然不可能种两个相同的植物，所以用集合
-def INIT_MAP_GRID(PLOT_TYPE):
-    return {MAP_PLANT:set(), MAP_SLEEP:False, MAP_PLOT_TYPE:PLOT_TYPE}
 
 # 地图相关像素数据
 BACKGROUND_OFFSET_X = 220
@@ -646,6 +640,7 @@ for _part1 in (DUCKY_TUBE_ZOMBIE, CONEHEAD_DUCKY_TUBE_ZOMBIE, BUCKETHEAD_DUCKY_T
     for _part2 in ("", "Attack", "Swim"):
         ZOMBIE_RECT[f"{_part1}{_part2}"] = {"x":55, "width":105}
 
+
 # 音效
 def _getSound(filename):
     return pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(__file__)) ,"resources", "sound", filename))
@@ -696,7 +691,7 @@ SOUNDS = (  # 程序交互等
             SOUND_WIN                       := _getSound("win.ogg"),
             SOUND_SCREAM                    := _getSound("scream.ogg"),
             SOUND_CANNOT_CHOOSE_WARNING     := _getSound("cannotChooseWarning.ogg"),
-            SOUND_FINAL_FANFARE             := _getSound("finalfanfare.ogg")
+            SOUND_FINAL_FANFARE             := _getSound("finalfanfare.ogg"),
             )
 
 # 记录本地存储文件初始值