diff --git a/source/state/level.py b/source/state/level.py
index 45132ed..1227e34 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -1422,8 +1422,6 @@ class Level(tool.State):
                 self.game_info[c.LEVEL_NUM] += 1
             self.next = c.GAME_VICTORY
             self.done = True
-            # 播放胜利音效
-            pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "win.ogg")).play()
             with open(c.USERDATA_PATH, "w") as f:
                 userdata = {}
                 for i in self.game_info:
@@ -1434,9 +1432,6 @@ class Level(tool.State):
         elif self.checkLose():
             self.next = c.GAME_LOSE
             self.done = True
-            # 播放失败音效
-            pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "lose.ogg")).play()
-            pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "scream.ogg")).play()
 
     def drawMouseShow(self, surface):
         if self.hint_plant:
diff --git a/source/state/screen.py b/source/state/screen.py
index 0a32440..b0430fc 100644
--- a/source/state/screen.py
+++ b/source/state/screen.py
@@ -1,22 +1,14 @@
 import pygame as pg
+import os
 from .. import tool
 from .. import constants as c
 
 class Screen(tool.State):
-    def __init__(self, caption=c.ORIGINAL_CAPTION):
-        tool.State.__init__(self)
+    def __init__(self):
         self.end_time = 3000
-        self.caption = caption
 
     def startup(self, current_time, persist):
-        self.start_time = current_time
-        self.next = c.LEVEL
-        self.persist = persist
-        self.game_info = persist
-        name = self.getImageName()
-        self.setupImage(name)
-        self.next = self.set_next_state()
-        pg.display.set_caption(self.caption)
+        pass
     
     def getImageName(self):
         pass
@@ -40,20 +32,45 @@ class Screen(tool.State):
 
 class GameVictoryScreen(Screen):
     def __init__(self):
-        Screen.__init__(self, caption="pypvz: 战斗胜利！")
+        Screen.__init__(self)
     
     def getImageName(self):
         return c.GAME_VICTORY_IMAGE
     
     def set_next_state(self):
         return c.LEVEL
+    
+    def startup(self, current_time, persist):
+        self.start_time = current_time
+        self.next = c.LEVEL
+        self.persist = persist
+        self.game_info = persist
+        name = self.getImageName()
+        self.setupImage(name)
+        self.next = self.set_next_state()
+        pg.display.set_caption("pypvz: 战斗胜利！")
+        # 播放胜利音效
+        pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "win.ogg")).play()
 
 class GameLoseScreen(Screen):
     def __init__(self):
-        Screen.__init__(self, caption="pypvz: 战斗失败！")
+        Screen.__init__(self)
     
     def getImageName(self):
         return c.GAME_LOSE_IMAGE
     
     def set_next_state(self):
         return c.LEVEL
+    
+    def startup(self, current_time, persist):
+        self.start_time = current_time
+        self.next = c.LEVEL
+        self.persist = persist
+        self.game_info = persist
+        name = self.getImageName()
+        self.setupImage(name)
+        self.next = self.set_next_state()
+        pg.display.set_caption("pypvz: 战斗失败！")
+        # 播放失败音效
+        pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "lose.ogg")).play()
+        pg.mixer.Sound(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))) ,"resources", "sound", "scream.ogg")).play()