diff --git a/doc/实践考评-阅读维护开源软件的汇报PPT.pptx b/doc/实践考评-阅读维护开源软件的汇报PPT.pptx index 332f034..0f24a06 100644 Binary files a/doc/实践考评-阅读维护开源软件的汇报PPT.pptx and b/doc/实践考评-阅读维护开源软件的汇报PPT.pptx differ