diff --git a/jajaja b/jajaja
index 71f2e7c..fc033ed 100644
--- a/jajaja
+++ b/jajaja
@@ -100,14 +100,18 @@ class Cheese(pygame.sprite.Sprite):
 
 def draw_maze(maze):
     walls = []
+    roads = []  # 存储道路的矩形列表
     for y, row in enumerate(maze):
         for x, char in enumerate(row):
             if char == '#':
                 pygame.draw.rect(screen, BLACK, (x * 32, y * 32, 32, 32))
                 walls.append(pygame.Rect(x * 32, y * 32, 32, 32))
+            elif char == '.':
+                roads.append(pygame.Rect(x * 32, y * 32, 32, 32))
             elif char == 'C':  # Cheese
+                roads.append(pygame.Rect(x * 32, y * 32, 32, 32))
                 screen.blit(pygame.image.load('cheese.png'), (x * 32, y * 32))
-    return walls
+    return walls, roads
 
 player = Player(32, 32)
 cheese = Cheese(416, 416)  # Cheese position
@@ -183,7 +187,7 @@ while running:
         elif keys[pygame.K_DOWN]:
             dx = 0
     
-    walls = draw_maze(maze)
+    walls, roads = draw_maze(maze)
     player.move(dx, dy, walls)
     player.update_image(dx, dy)
 
@@ -196,7 +200,7 @@ while running:
     if player.rect.colliderect(cheese.rect):
         player.cheese_count += 1
         print("You collected a cheese! Total cheese count:", player.cheese_count)
-        cheese.rect.topleft = (random.randint(0, 24) * 32, random.randint(0, 24) * 32)  # Move cheese to a new position
+        cheese.rect.topleft = random.choice(roads).topleft  # Move cheese to a random position on a road
         if player.cheese_count >= 10:
             print("Congratulations! You collected 10 cheeses!")
             running = False