diff --git a/doc/需求模型_癌症资源网站_薛皓天.docx b/doc/需求模型_癌症资源网站_薛皓天.doc
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rename from doc/需求模型_癌症资源网站_薛皓天.docx
rename to doc/需求模型_癌症资源网站_薛皓天.doc