diff --git a/source/component/zombie.py b/source/component/zombie.py
index 6b5b494..11af0c9 100755
--- a/source/component/zombie.py
+++ b/source/component/zombie.py
@@ -70,16 +70,20 @@ class Zombie(pg.sprite.Sprite):
     def checkToDie(self, framesKind):
         if self.health <= 0:
             self.setDie()
+            return True
         elif self.health <= c.LOSTHEAD_HEALTH:
             if not self.lostHead:
                 self.changeFrames(framesKind)
                 self.setLostHead()
+                return True
             else:
                 self.health -= (self.current_time - self.losthead_timer) / 40
                 self.losthead_timer = self.current_time
+                return False
 
     def walking(self):
-        self.checkToDie(self.losthead_walk_frames)
+        if self.checkToDie(self.losthead_walk_frames):
+            return
 
         if self.helmetHealth <= 0 and self.helmet:
             self.changeFrames(self.walk_frames)
@@ -98,7 +102,8 @@ class Zombie(pg.sprite.Sprite):
                 self.rect.x -= 1
 
     def attacking(self):
-        self.checkToDie(self.losthead_attack_frames)
+        if self.checkToDie(self.losthead_attack_frames):
+            return
         
         if self.helmetHealth <= 0 and self.helmet:
             self.changeFrames(self.attack_frames)
@@ -125,9 +130,11 @@ class Zombie(pg.sprite.Sprite):
 
     def freezing(self):
         if self.old_state == c.WALK:
-            self.checkToDie(self.losthead_walk_frames)
+            if self.checkToDie(self.losthead_walk_frames):
+                return
         else:
-            self.checkToDie(self.losthead_attack_frames)
+            if self.checkToDie(self.losthead_attack_frames):
+                return
 
         if (self.current_time - self.freeze_timer) > c.FREEZE_TIME:
             self.setWalk()
diff --git a/source/state/level.py b/source/state/level.py
index 8ab4d95..bce5b33 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -653,7 +653,7 @@ class Level(tool.State):
                 continue
             for zombie in self.zombie_groups[i]:
                 if ((abs(zombie.rect.centerx - x) <= x_range) or
-                ((zombie.rect.right - (x-x_range) > 20) or (zombie.rect.right - (x-x_range))/zombie.rect.width > 0.15, ((x+x_range) - zombie.rect.left > 20) or ((x+x_range) - zombie.rect.left)/zombie.rect.width > 0.15)[zombie.rect.x > x]):  # 这代码不太好懂，后面是一个判断僵尸在左还是在右，前面是一个元组，[0]是在左边的情况，[1]是在右边的情况
+                ((zombie.rect.right - (x-x_range) > 20) or (zombie.rect.right - (x-x_range))/zombie.rect.width > 0.2, ((x+x_range) - zombie.rect.left > 20) or ((x+x_range) - zombie.rect.left)/zombie.rect.width > 0.2)[zombie.rect.x > x]):  # 这代码不太好懂，后面是一个判断僵尸在左还是在右，前面是一个元组，[0]是在左边的情况，[1]是在右边的情况
                     zombie.setDamage(1800, damageType=c.ZOMBIE_ASH_DAMAGE)
                     if zombie.health <= 0:
                         zombie.setBoomDie()
@@ -696,7 +696,7 @@ class Level(tool.State):
                         continue
                     for zombie in self.zombie_groups[i]:
                         if ((abs(zombie.rect.centerx - x) <= plant.explode_y_range) or
-                        ((zombie.rect.right - (x-plant.explode_x_range) > 20) or (zombie.rect.right - (x-plant.explode_x_range))/zombie.rect.width > 0.15, ((x+plant.explode_x_range) - zombie.rect.left > 20) or ((x+plant.explode_x_range) - zombie.rect.left)/zombie.rect.width > 0.15)[zombie.rect.x > x]):  # 这代码不太好懂，后面是一个判断僵尸在左还是在右，前面是一个元组，[0]是在左边的情况，[1]是在右边的情况
+                        ((zombie.rect.right - (x-plant.explode_x_range) > 20) or (zombie.rect.right - (x-plant.explode_x_range))/zombie.rect.width > 0.2, ((x+plant.explode_x_range) - zombie.rect.left > 20) or ((x+plant.explode_x_range) - zombie.rect.left)/zombie.rect.width > 0.2)[zombie.rect.x > x]):  # 这代码不太好懂，后面是一个判断僵尸在左还是在右，前面是一个元组，[0]是在左边的情况，[1]是在右边的情况
                             zombie.setDamage(1800, damageType=c.ZOMBIE_RANGE_DAMAGE)
 
         # 避免僵尸在用铲子移除植物后还在原位啃食