diff --git a/子弹类.txt b/子弹类.txt
new file mode 100644
index 0000000..adaa492
--- /dev/null
+++ b/子弹类.txt
@@ -0,0 +1,9 @@
+# 子弹类
+# 属性  坐标 速度 图片
+class  Bullet(pygame.sprite.Sprite):
+
+    def __init__(self, screen, x, y):
+        pygame.sprite.Sprite.__init__(self)
+        # 图片
+        self.image = pygame.image.load('./feiji/bullet.png')
+        self.rect = self.image.get_rect()  # rect属性：矩形
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