diff --git a/resources/data/map/level_0.json b/resources/data/map/level_0.json
index ec95b95..58007dd 100644
--- a/resources/data/map/level_0.json
+++ b/resources/data/map/level_0.json
@@ -5,6 +5,14 @@
     "spawn_zombies":"list",
     "zombie_list":[
         {"time":0, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":1000, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":2000, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":3100, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":4500, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":5000, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":6000, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":7000, "map_y":4, "name":"ScreenDoorZombie"},
+        {"time":8000, "map_y":4, "name":"ScreenDoorZombie"},
         {"time":0, "map_y":1, "name":"NewspaperZombie"},
         {"time":0, "map_y":2, "name":"ConeheadDuckyTubeZombie"},
         {"time":80000, "map_y":2, "name":"ConeheadDuckyTubeZombie"}
diff --git a/source/component/plant.py b/source/component/plant.py
index 0db0a42..1038edb 100755
--- a/source/component/plant.py
+++ b/source/component/plant.py
@@ -668,15 +668,9 @@ class Squash(Plant):
             return True
         # 攻击状态
         elif (self.state == c.ATTACK):
-            # 僵尸在倭瓜右侧
-            if zombie.rect.x >= self.rect.x:
-                # 重叠20个像素或15%判断为可以攻击
-                if (self.rect.right - zombie.rect.left >= 20) or (self.rect.right - zombie.rect.left >= 0.15*zombie.rect.width):
-                    return True
-            # 僵尸在倭瓜右侧
-            else:
-                if (zombie.rect.right - self.rect.left >= 20) or (zombie.rect.right - self.rect.left >= 0.15*zombie.rect.width):
-                    return True
+            # 碰撞检测
+            if pg.sprite.collide_circle_ratio(0.7)(zombie, self):
+                return True
         return False
 
     def setAttack(self, zombie, zombie_group):