diff --git a/Quit&Main.py b/Quit&Main.py
new file mode 100644
index 0000000..0d7edc2
--- /dev/null
+++ b/Quit&Main.py
@@ -0,0 +1,27 @@
+def main():#主函数
+    while True:
+        menum()
+        choice=int(input('请选择：'))
+        if choice in [1,2,3,4,5,6,7]:
+            if choice==7:
+                answer=input('您确定要退出系统吗？y/n')
+                if answer=='y':
+                    print('谢谢您的使用')
+                    break
+                else :
+                    continue
+            elif choice==1:
+                insert()
+            elif choice==2:
+                search()
+            elif choice==3:
+                delete()
+            elif choice==4:
+                modify()
+            elif choice==5:
+                sort()
+            elif choice==6:
+                total()
+        else:
+            print('您输入的有误，请重新输入')
+            main()
\ No newline at end of file