diff --git a/README.md b/README.md
index c01bff2..f037f34 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,7 @@ nuitka --mingw --standalone --onefile --show-progress --show-memory --output-dir
 ### 短期
 
 * 给胜利和失败界面添加音乐
+* 修复已经死亡的僵尸会触发大嘴花、土豆雷甚至小推车的问题
 
 ## 截屏
 
diff --git a/source/component/zombie.py b/source/component/zombie.py
index 46499a2..f3b83d9 100755
--- a/source/component/zombie.py
+++ b/source/component/zombie.py
@@ -36,7 +36,7 @@ class Zombie(pg.sprite.Sprite):
         self.hit_timer = 0
         self.speed = 1
         self.freeze_timer = 0
-        self.dead_timer = 4800
+        self.dead_timer = 2800
         self.losthead_timer = 0
         self.is_hypno = False  # the zombie is hypo and attack other zombies when it ate a HypnoShroom