diff --git a/PDF/第1章-初识Spring.pdf b/PDF/第1章.pdf similarity index 100% rename from PDF/第1章-初识Spring.pdf rename to PDF/第1章.pdf diff --git a/PDF/第2章-JDBC必知必会.pdf b/PDF/第2章.pdf similarity index 100% rename from PDF/第2章-JDBC必知必会.pdf rename to PDF/第2章.pdf diff --git a/PDF/第3章-O:R Mapping 实践.pdf b/PDF/第3章.pdf similarity index 100% rename from PDF/第3章-O:R Mapping 实践.pdf rename to PDF/第3章.pdf