diff --git a/content/zh-cn/docs/srs/china/pku3/pre-commit.pdf b/content/zh-cn/docs/srs/china/pku3/pre-commit.pdf index fc2ac33c..538b153d 100644 Binary files a/content/zh-cn/docs/srs/china/pku3/pre-commit.pdf and b/content/zh-cn/docs/srs/china/pku3/pre-commit.pdf differ