diff --git a/resources/data/map/level_0.json b/resources/data/map/level_0.json
index 1e51b9e..d762f2d 100644
--- a/resources/data/map/level_0.json
+++ b/resources/data/map/level_0.json
@@ -19,4 +19,4 @@
         {"time":0, "map_y":2, "name":"ConeheadDuckyTubeZombie"},
         {"time":90000, "map_y":2, "name":"ConeheadDuckyTubeZombie"}
     ]
-}
\ No newline at end of file
+}
diff --git a/resources/data/map/level_1.json b/resources/data/map/level_1.json
index 0883186..d2c13ec 100644
--- a/resources/data/map/level_1.json
+++ b/resources/data/map/level_1.json
@@ -5,4 +5,4 @@
     "spawn_zombies":"auto",
     "included_zombies":["Zombie"],
     "num_flags":2
-}
\ No newline at end of file
+}
diff --git a/resources/data/map/level_2.json b/resources/data/map/level_2.json
index baa5fbf..f16411a 100644
--- a/resources/data/map/level_2.json
+++ b/resources/data/map/level_2.json
@@ -5,4 +5,4 @@
     "spawn_zombies":"auto",
     "included_zombies":["Zombie", "ConeheadZombie", "PoleVaultingZombie"],
     "num_flags":3
-}
\ No newline at end of file
+}
diff --git a/resources/data/map/littleGame_1.json b/resources/data/map/littleGame_1.json
index c598f41..b5f5f52 100644
--- a/resources/data/map/littleGame_1.json
+++ b/resources/data/map/littleGame_1.json
@@ -15,4 +15,4 @@
         {"name":"Chomper"},
         {"name":"PotatoMine"}
     ]
-}
\ No newline at end of file
+}
diff --git a/resources/data/map/littleGame_2.json b/resources/data/map/littleGame_2.json
index 948e572..7ac1303 100644
--- a/resources/data/map/littleGame_2.json
+++ b/resources/data/map/littleGame_2.json
@@ -10,4 +10,4 @@
         {"name":"WallNutBowling"},
         {"name":"RedWallNutBowling"}
     ]
-}
\ No newline at end of file
+}
diff --git a/source/component/zombie.py b/source/component/zombie.py
index c697f51..ce9a63f 100755
--- a/source/component/zombie.py
+++ b/source/component/zombie.py
@@ -18,7 +18,7 @@ class Zombie(pg.sprite.Sprite):
         self.image = self.frames[self.frame_index]
         self.mask = pg.mask.from_surface(self.image)
         self.rect = self.image.get_rect()
-        self.rect.centerx = x
+        self.rect.x = x
         self.rect.bottom = y
 
         self.helmetHealth = helmetHealth
diff --git a/source/constants.py b/source/constants.py
index 72a21f0..210bcbc 100755
--- a/source/constants.py
+++ b/source/constants.py
@@ -3,6 +3,9 @@ START_LEVEL_NUM = 1
 # 小游戏模式起始关卡
 START_LITTLE_GAME_NUM = 1
 
+# 游戏速度倍率（调试用）
+GAME_RATE = 1
+
 # 窗口标题
 ORIGINAL_CAPTION = 'pypvz'
 
@@ -33,9 +36,6 @@ GRID_ROOF_Y_LEN = GRID_Y_LEN
 GRID_ROOF_X_SIZE = GRID_X_SIZE
 GRID_ROOF_Y_SIZE = 85
 
-# 游戏速度倍率（调试用）
-GAME_RATE = 1
-
 # 颜色
 WHITE        = (255, 255, 255)
 NAVYBLUE     = ( 60,  60, 100)
@@ -441,7 +441,7 @@ ZOMBIE_ATTACK_DAMAGE = 50
 ZOMBIE_WALK_INTERVAL = 60  # 僵尸步行间隔
 
 # 僵尸生成位置
-ZOMBIE_START_X = SCREEN_WIDTH + 50  # 场宽度不一样，用于拟合
+ZOMBIE_START_X = SCREEN_WIDTH + 30  # 场宽度不一样，用于拟合
 
 
 # 僵尸集体属性集合
@@ -463,9 +463,10 @@ CREATE_ZOMBIE_DICT = {  # 生成僵尸:(级别, 权重)
 
 # 记录陆生僵尸的水生变种
 CONVERT_ZOMBIE_IN_POOL = {
-                NORMAL_ZOMBIE:          DUCKY_TUBE_ZOMBIE,
-                CONEHEAD_ZOMBIE:        CONEHEAD_DUCKY_TUBE_ZOMBIE,
-                BUCKETHEAD_ZOMBIE:      BUCKETHEAD_DUCKY_TUBE_ZOMBIE}
+                NORMAL_ZOMBIE:      DUCKY_TUBE_ZOMBIE,
+                CONEHEAD_ZOMBIE:    CONEHEAD_DUCKY_TUBE_ZOMBIE,
+                BUCKETHEAD_ZOMBIE:  BUCKETHEAD_DUCKY_TUBE_ZOMBIE
+                }
 
 # 水上僵尸集合
 WATER_ZOMBIE = {
diff --git a/source/state/level.py b/source/state/level.py
index 3bbb761..656a08c 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -819,7 +819,7 @@ class Level(tool.State):
             self.zombie_groups[map_y].add(zombie.PoleVaultingZombie(c.ZOMBIE_START_X + randint(70, 80) + hugeWaveMove, y, self.head_group))
         elif name == c.ZOMBONI:
             # 冰车僵尸生成位置不同
-            self.zombie_groups[map_y].add(zombie.Zomboni(c.ZOMBIE_START_X + randint(55, 65) + hugeWaveMove, y, self.plant_groups[map_y], self.map, plant.IceFrozenPlot))
+            self.zombie_groups[map_y].add(zombie.Zomboni(c.ZOMBIE_START_X + randint(0, 10) + hugeWaveMove, y, self.plant_groups[map_y], self.map, plant.IceFrozenPlot))
 
     # 能否种植物的判断：
     # 先判断位置是否合法 isValid(map_x, map_y)