diff --git a/飞机大战.py b/飞机大战.py
index 3004d80..aa0dcb8 100644
--- a/飞机大战.py
+++ b/飞机大战.py
@@ -239,4 +239,31 @@ class Bomb(object):
             # 如果下标已经到最后 代表爆炸结束
             # 下标重置 mVisible重置
             self.mIndex = 0
-            self.mVisible = False       
\ No newline at end of file
+            self.mVisible = False       
+
+# 地图
+class GameBackground(object):
+    # 初始化地图
+    def __init__(self, screen):
+        self.mImage1 = pygame.image.load("./feiji/img_bg_level_1.jpg")
+        self.mImage2 = pygame.image.load("./feiji/img_bg_level_1.jpg")
+        # 窗口
+        self.screen = screen
+        # 辅助移动地图
+        self.y1 = 0
+        self.y2 = -Manager.bg_size[1]  # -768
+
+    # 移动地图
+
+    def move(self):
+        self.y1 += 2
+        self.y2 += 2
+        if self.y1 >= Manager.bg_size[1]:
+            self.y1 = 0
+        if self.y2 >= 0:
+            self.y2 = -Manager.bg_size[1]
+
+    # 绘制地图
+    def draw(self):
+        self.screen.blit(self.mImage1, (0, self.y1))
+        self.screen.blit(self.mImage2, (0, self.y2))