diff --git a/doc/project/用例文档(初稿).docx b/doc/project/用例文档(初稿).docx
deleted file mode 100644
index c652c7f..0000000
Binary files a/doc/project/用例文档(初稿).docx and /dev/null differ
diff --git a/doc/project/用例文档.docx b/doc/project/用例文档.docx
new file mode 100644
index 0000000..9c7d97a
Binary files /dev/null and b/doc/project/用例文档.docx differ