diff --git a/dayu.py b/dayu.py
new file mode 100644
index 0000000..f571c21
--- /dev/null
+++ b/dayu.py
@@ -0,0 +1,218 @@
+# 大鱼吃小鱼
+
+import pygame
+import random
+from pygame.locals import *
+from pygame.math import *
+from sys import exit
+
+pygame.init()   # 初始化
+pygame.mixer.init()
+
+# 图片资源导入
+music_botton=pygame.image.load(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\music.png')       # 图片-音乐
+background = pygame.image.load(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\background.png')  # 图片-背景
+img_fish = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\thefish.png")       # 图片-玩家操控的鱼
+img_small = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\small.png")        # 图片-小鱼
+img_middle1 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\middle1.png")    # 图片-中鱼1
+img_middle2 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\middle2.png")    # 图片-中鱼2
+img_big1 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\big1.png")          # 图片-大鱼1
+img_big2 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\big2.png")          # 图片-大鱼2
+img_shark = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\shark.png")        # 图片-鲨鱼
+
+# 图片资源处理
+new_fish = pygame.transform.rotozoom(img_fish,0,0.2)       # 图片旋转180°，并缩放为原来的0.2倍
+
+new_small1 = pygame.transform.rotozoom(img_small,0,0.18)   # 图片旋转180°，缩放为原来的0.18倍。并生成水平翻转的图片2
+new_small2 = pygame.transform.rotozoom(img_small,0,0.18)
+
+new_middle12 = pygame.transform.rotozoom(img_middle1,0,0.35) # 图片旋转180°，缩放为原来的0.35倍。并生成水平翻转的图片2
+new_middle11 = pygame.transform.flip(new_middle12,1,0)
+new_middle22 = pygame.transform.rotozoom(img_middle2,0,0.35)
+new_middle21 = pygame.transform.flip(new_middle22,1,0)
+
+new_big12 = pygame.transform.rotozoom(img_big1,0,0.6)
+new_big11 = pygame.transform.flip(new_big12,1,0)
+new_big22 = pygame.transform.rotozoom(img_big2,0,0.6)
+new_big21 = pygame.transform.flip(new_big22,1,0)
+new_shark1 = pygame.transform.rotozoom(img_shark,0,1.2)
+new_shark2 = pygame.transform.flip(new_shark1,1,0)
+
+
+pygame.mixer.music.load(r'D:\网易云\昙轩 - 海の形.mp3')    # 加载为背景音乐
+pygame.mixer.music.play(-1,0.0)                          # 播放背景音乐
+
+size = width, height = 1419,640
+screen = pygame.display.set_mode(size ) # 设置屏幕
+
+pygame.display.set_caption("大鱼吃小鱼")        # 设置标题
+clock = pygame.time.Clock()                          # 设置时钟
+
+sp = Vector2(480,240)          # 小鱼坐标为二维向量sp
+speed = 2.0                    # 速度为两个单位
+mouse_xy = (480,240)
+distanse = Vector2(0,0)
+fish_dir = Vector2(-1,0)
+time_i=0
+fish_list=[] #四维数组:x,y,方向,品种
+npc_fish=[]
+score = 0
+x1,y1=1379,0
+is_music_playing = False  # 定义背景音乐的状态，默认是打开
+
+while True:
+    clock.tick_busy_loop(60)
+    time_i=time_i+1
+
+    screen.blit(background, (0, 0))  # 背景图片
+    screen.blit(music_botton, (x1,y1))   # 音乐开关图片
+
+
+    if time_i%100 == 0:
+        ram_num1=random.randint(0,1)  # 左右随机数
+        ram_num2=random.randint(1,20)  # 品种随机数：smal-12，midle-5，big-2，shark-1
+
+        if ram_num1 == 1:
+            npc_fish.append("left")
+        else:
+            npc_fish.append("right")
+
+        if ram_num2 == 1:
+            npc_fish.append("shark")
+        elif ram_num2 >= 2 | ram_num2 <= 3:
+            npc_fish.append("big1")
+        elif ram_num2 >= 4 | ram_num2 <= 5:
+            npc_fish.append("big2")
+        elif ram_num2 >= 6 | ram_num2 <= 8:
+            npc_fish.append("middle1")
+        elif ram_num2 >= 9 | ram_num2 <= 11 :
+            npc_fish.append("middle2")
+        else:
+            npc_fish.append("small")
+
+        if npc_fish[0]=="left":
+            npc_fish.append(0)
+        else:
+            npc_fish.append(1000)
+
+        npc_fish.append(random.randint(0,380))
+
+        fish_list.append(npc_fish)
+        print(npc_fish)
+        npc_fish=[]
+
+    for fish in fish_list:
+
+        if fish[1] == "small":
+            if fish[0] == "left":
+                screen.blit(new_small1,(fish[2],fish[3]))
+            else:
+                screen.blit(new_small2,(fish[2],fish[3]))
+        if fish[1] == "middle1":
+            if fish[0] == "left":
+                screen.blit(new_middle11,(fish[2],fish[3]))
+            else:
+                screen.blit(new_middle12,(fish[2],fish[3]))
+        if fish[1] == "middle2":
+            if fish[0] == "left":
+                screen.blit(new_middle21,(fish[2],fish[3]))
+            else:
+                screen.blit(new_middle22,(fish[2],fish[3]))
+        if fish[1] == "big1":
+            if fish[0] == "left":
+                screen.blit(new_big11,(fish[2],fish[3]))
+            else:
+                screen.blit(new_big12,(fish[2],fish[3]))
+        if fish[1] == "big2":
+            if fish[0] == "left":
+                screen.blit(new_big21,(fish[2],fish[3]))
+            else:
+                screen.blit(new_big22,(fish[2],fish[3]))
+        if fish[1] == "shark":
+            if fish[0] == "left":
+                screen.blit(new_shark1,(fish[2],fish[3]))
+            else:
+                screen.blit(new_shark2,(fish[2],fish[3]))
+
+        if fish[0] == "left":
+            fish[2] = fish[2] + 1
+            if fish[2] == 1000:
+                fish_list.remove(fish)
+        else:
+            fish[2] = fish[2] - 1
+            if fish[2] == -200:
+                fish_list.remove(fish)
+
+    distanse = mouse_xy - sp
+    dis_len=distanse.length()
+    if dis_len < speed:
+        mouse_xy=sp
+    elif dis_len != 0:
+        distanse.normalize_ip()
+        distanse=distanse*speed
+        sp+=distanse
+
+    for fish in fish_list:
+        fish_pos=Vector2(fish[2],fish[3])
+        distanse2 = sp - fish_pos
+        if distanse2.length() <= 100:
+            img_fish = pygame.transform.rotozoom(img_fish,0,1.1)
+            fish_list.remove(fish)
+            score += 2
+
+    font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 50)
+    score_text = font.render("分数：" + str(score), 1, (255, 255, 255))  # 创建文本列表
+    screen.blit(score_text, (10, 10))  # 在屏幕左上角显示分数
+
+    if score > 30:  # 判断游戏是否达到分数
+        game_over = True
+    else:
+        game_over = False
+
+    if game_over:
+        font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 36)
+        text = font.render("游戏结束了，你的分数是：" + str(score), 1, (255, 255, 255))
+        text_rect = text.get_rect(center=(width // 2, height // 2 - 100))
+        screen.blit(text, text_rect)
+
+        font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 36)
+        quit_button = font.render("结束游戏", 1, (255, 255, 255))
+        quit_button_rect = quit_button.get_rect(center=(width // 2, height // 2))
+        pygame.draw.rect(screen, (0, 255, 0), quit_button_rect, 2)
+        screen.blit(quit_button, quit_button_rect)
+
+        for event in pygame.event.get():
+            if event.type == QUIT:
+                pygame.quit()
+                exit()
+            if event.type == MOUSEBUTTONDOWN:
+                mouse_pos = pygame.mouse.get_pos()  # 获取鼠标位置
+
+                if 630 <= mouse_pos[0] <= 780 and 300 <= mouse_pos[1] <= 340:
+                    pygame.quit()
+                    xit()
+
+        pygame.display.flip()
+
+
+    for event in pygame.event.get():
+        if event.type == MOUSEBUTTONDOWN:      # 鼠标按下事件
+            mouse_xy=Vector2(event.pos)        # 将玩家控制的小鱼移动到鼠标点击的坐标
+            distanse = mouse_xy - sp
+            angle = distanse.angle_to(fish_dir)
+            new_fish = pygame.transform.rotozoom(img_fish,angle,0.2)
+
+        if event.type == MOUSEBUTTONDOWN and width - 50 <= mouse_xy[0] <= width and 10 <= mouse_xy[1] <= 60:
+            if not is_music_playing:   # 如果未播放音乐则打开
+                pygame.mixer.music.play(-1, 0.0)
+                is_music_playing = True
+            else:                       # 如果已经播放了音乐则关闭
+                pygame.mixer.music.stop()
+                is_music_playing = False
+
+        if event.type == pygame.QUIT:
+            pygame.mixer.music.stop()   # 停止播放背景音乐
+            exit()
+
+    screen.blit(new_fish, sp)
+    pygame.display.update()   # 刷新显示界面