diff --git a/source/component/map.py b/source/component/map.py
index 87b6d40..11af345 100755
--- a/source/component/map.py
+++ b/source/component/map.py
@@ -56,10 +56,10 @@ class Map():
                         ]
 
     def isValid(self, map_x, map_y):
-        if (map_x < 0 or map_x >= self.width or
-            map_y < 0 or map_y >= self.height):
-            return False
-        return True
+        if ((0 <= map_x < self.width)
+        and (0 <= map_y < self.height)):
+            return True
+        return False
 
     # 地图单元格状态
     # 注意是可变对象，不能直接引用
diff --git a/source/component/menubar.py b/source/component/menubar.py
index 52bd69b..96cf58d 100755
--- a/source/component/menubar.py
+++ b/source/component/menubar.py
@@ -22,7 +22,8 @@ def getSunValueImage(sun_value):
     return image
 
 def getCardPool(data):
-    card_pool = {c.PLANT_CARD_INFO[c.PLANT_CARD_INDEX[card_name]]: data[card_name] for card_name in data}
+    card_pool = {c.PLANT_CARD_INFO[c.PLANT_CARD_INDEX[card_name]]: data[card_name]
+                    for card_name in data}
     return card_pool
 
 class Card():
@@ -36,7 +37,8 @@ class Card():
         self.sun_cost_img = font.render(str(c.PLANT_CARD_INFO[index][c.SUN_INDEX]), True, c.BLACK)
         self.sun_cost_img_rect = self.sun_cost_img.get_rect()
         sun_cost_img_x = 32 - self.sun_cost_img_rect.w
-        self.orig_image.blit(self.sun_cost_img, (sun_cost_img_x, 52, self.sun_cost_img_rect.w, self.sun_cost_img_rect.h))
+        self.orig_image.blit(self.sun_cost_img,
+                            (sun_cost_img_x, 52, self.sun_cost_img_rect.w, self.sun_cost_img_rect.h))
         
         self.index = index
         self.sun_cost = c.PLANT_CARD_INFO[index][c.SUN_INDEX]
@@ -86,7 +88,7 @@ class Card():
             image = pg.Surface((self.rect.w, self.rect.h))  # 黑底
             frozen_image = self.orig_image
             frozen_image.set_alpha(128)
-            frozen_height = (self.frozen_time - time)/self.frozen_time * self.rect.h
+            frozen_height = ((self.frozen_time - time)/self.frozen_time) * self.rect.h
             
             image.blit(frozen_image, (0,0), (0, 0, self.rect.w, frozen_height))
             self.orig_image.set_alpha(192)
@@ -177,8 +179,8 @@ class MenuBar():
     
     def checkMenuBarClick(self, mouse_pos):
         x, y = mouse_pos
-        if (x >= self.rect.x and x <= self.rect.right and
-            y >= self.rect.y and y <= self.rect.bottom):
+        if (self.rect.x <= x <= self.rect.right and
+            self.rect.y <= y <= self.rect.bottom):
             return True
         return False
 
@@ -299,8 +301,8 @@ class Panel():
             return False
 
         x, y = mouse_pos
-        if (x >= self.button_rect.x and x <= self.button_rect.right and
-            y >= self.button_rect.y and y <= self.button_rect.bottom):
+        if (self.button_rect.x <= x <= self.button_rect.right and
+            self.button_rect.y <= y <= self.button_rect.bottom):
            return True
         return False
 
@@ -349,8 +351,8 @@ class MoveCard():
 
     def checkMouseClick(self, mouse_pos):
         x, y = mouse_pos
-        if (x >= self.rect.x and x <= self.rect.right and
-            y >= self.rect.y and y <= self.rect.bottom):
+        if (self.rect.x <= x <= self.rect.right and
+            self.rect.y <= y <= self.rect.bottom):
             return True
         return False
 
@@ -426,7 +428,7 @@ class MoveBar():
             card.update(left_x, self.current_time)
             left_x = card.rect.right + 1
 
-        if(self.current_time - self.create_timer) > c.MOVEBAR_CARD_FRESH_TIME:
+        if (self.current_time - self.create_timer) > c.MOVEBAR_CARD_FRESH_TIME:
             if self.createCard():
                 self.create_timer = self.current_time
 
@@ -440,8 +442,8 @@ class MoveBar():
     
     def checkMenuBarClick(self, mouse_pos):
         x, y = mouse_pos
-        if (x >= self.rect.x and x <= self.rect.right and
-            y >= self.rect.y and y <= self.rect.bottom):
+        if (self.rect.x <= x <= self.rect.right and
+            self.rect.y <= y <= self.rect.bottom):
             return True
         return False
 
diff --git a/source/state/level.py b/source/state/level.py
index 1602ead..3b2c848 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -26,6 +26,7 @@ class Level(tool.State):
         # 导入地图参数
         self.loadMap()
         self.map = map.Map(self.map_data[c.BACKGROUND_TYPE])
+        self.map_x_len = self.map.width
         self.map_y_len = self.map.height
         self.setupBackground()
         self.initState()
@@ -1115,7 +1116,8 @@ class Level(tool.State):
                             zombie.health = 0
                             c.SOUND_BOWLING_IMPACT.play()
                         elif not zombie.jumping:
-                            zombie.jump_map_x, zombie.jump_map_y = min(c.GRID_X_LEN - 1, zombie.prey_map_x), min(self.map_y_len - 1, zombie.prey_map_y)
+                            zombie.jump_map_x = min(self.map_x_len - 1, zombie.prey_map_x)
+                            zombie.jump_map_y = min(self.map_y_len - 1, zombie.prey_map_y)
                             jump_x = target_plant.rect.x - c.GRID_X_SIZE * 0.6
                             if c.TALLNUT in self.map.map[zombie.jump_map_y][zombie.jump_map_x][c.MAP_PLANT]:
                                 zombie.setJump(False, jump_x)