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
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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