diff --git a/doc/阅读维护开源软件的汇报.pptx b/doc/阅读维护开源软件的汇报.pptx index 32c0810..0d36e24 100644 Binary files a/doc/阅读维护开源软件的汇报.pptx and b/doc/阅读维护开源软件的汇报.pptx differ