diff --git a/ja b/ja
index 695979f..e562d4d 100644
--- a/ja
+++ b/ja
@@ -9,6 +9,7 @@ pygame.display.set_caption('Labirints')
 
 BLACK = (0, 0, 0)
 BLUE = (0, 0, 255)
+RED = (255, 0, 0)
 
 maze = [
     "#########################",
@@ -89,12 +90,44 @@ class Player(pygame.sprite.Sprite):
     def draw(self, surface):
         surface.blit(self.image, self.rect)
 
-class Cheese(pygame.sprite.Sprite):
-    def __init__(self, x, y):
+class Villain(pygame.sprite.Sprite):
+    def __init__(self, x, y, player):
         super().__init__()
-        self.image = pygame.image.load('cheese.png').convert_alpha()
+        self.image = pygame.image.load('villain.png').convert_alpha()
         self.rect = self.image.get_rect()
         self.rect.topleft = (x, y)
+        self.speed = 8
+        self.player = player
+
+    def move_towards_player(self, walls):
+        dx = self.player.rect.x - self.rect.x
+        dy = self.player.rect.y - self.rect.y
+        distance = max(abs(dx), abs(dy))
+        dx = dx / distance if distance != 0 else 0
+        dy = dy / distance if distance != 0 else 0
+        dx *= self.speed
+        dy *= self.speed
+        self.move(dx, dy, walls)
+
+    def move(self, dx, dy, walls):
+        old_rect = self.rect.copy()
+        self.rect.x += dx
+        self.rect.y += dy
+        for wall in walls:
+            if self.rect.colliderect(wall):
+                if dx > 0:
+                    self.rect.right = wall.left
+                elif dx < 0:
+                    self.rect.left = wall.right
+                elif dy > 0:
+                    self.rect.bottom = wall.top
+                elif dy < 0:
+                    self.rect.top = wall.bottom
+        if self.rect.collidelist(walls) != -1:
+            self.rect = old_rect
+
+    def draw(self, surface):
+        surface.blit(self.image, self.rect)
 
 def draw_maze(maze):
     walls = []
@@ -109,6 +142,7 @@ def draw_maze(maze):
 
 player = Player(32, 32)
 cheese = Cheese(416, 416)  # 奶酪位置
+villain = Villain(704, 704, player)  # 反派角色的起始位置
 
 clock = pygame.time.Clock()
 running = True
@@ -144,23 +178,19 @@ while running:
     player.move(dx, dy, walls)
     player.update_image(dx, dy)
 
-    # 检查玩家是否与奶酪碰撞
-    if player.rect.colliderect(cheese.rect):
-        player.cheese_count += 1
-        print("You collected a cheese! Total cheese count:", player.cheese_count)
-        cheese.rect.topleft = (-32, -32)  # 移除奶酪
+    villain.move_towards_player(walls)
 
-    # 如果玩家收集了10个奶酪，则结束游戏
-    if player.cheese_count >= 10:
-        print("Congratulations! You collected 10 cheeses!")
+    # 如果玩家与反派角色碰撞，则游戏结束
+    if player.rect.colliderect(villain.rect):
+        print("Game Over! You were caught by the villain.")
         running = False
 
     screen.fill(BLUE)
     draw_maze(maze)
     player.draw(screen)
+    villain.draw(screen)
     pygame.display.flip()
     clock.tick(10)
 
 pygame.quit()
 sys.exit()
-