diff --git a/文档/零食店系统.pptx b/文档/零食店系统.pptx new file mode 100644 index 0000000..0819a42 Binary files /dev/null and b/文档/零食店系统.pptx differ diff --git a/文档/零食店系统2.pptx b/文档/零食店系统2.pptx new file mode 100644 index 0000000..f8a9535 Binary files /dev/null and b/文档/零食店系统2.pptx differ