diff --git a/cs.py b/cs.py
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+++ b/cs.py
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+encoding="utf-8"
+import pygame
+
+#encoding=utf-8
+# 初始化 pygame
+pygame.init()
+
+# 设置屏幕尺寸
+screen_width = 800
+screen_height = 600
+screen = pygame.display.set_mode((screen_width, screen_height))
+
+# 按钮颜色
+button_color = (0, 128, 255)
+
+# 按钮文本
+button_text = "start"
+
+# 字体设置
+font = pygame.font.SysFont(None, 36)
+
+# 按钮位置和尺寸
+button_rect = pygame.Rect(240, 400, 300, 100)
+image = pygame.image.load("2.jpg")
+
+
+
+# 将图片绘制到窗口上
+
+# 主循环
+running = True
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+        # 检测鼠标点击事件
+        if event.type == pygame.MOUSEBUTTONDOWN:
+            if button_rect.collidepoint(event.pos):
+                # 进入游戏的逻辑
+                import pt
+
+    # 绘制背景
+    screen.blit(image, (0, 0))
+
+    # 绘制按钮
+    pygame.draw.rect(screen, button_color, button_rect)
+
+    # 绘制按钮文本
+    text_surface = font.render(button_text, True, (255, 255, 255))
+    text_rect = text_surface.get_rect(center=button_rect.center)
+    screen.blit(text_surface, text_rect)
+
+    pygame.display.flip()
+
+# 退出程序
+pygame.quit()
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