diff --git a/.gitattributes b/.gitattributes
index 86245d2..3b05ee1 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 mq/rocketmq/file filter=lfs diff=lfs merge=lfs -text
+*.pdf filter=lfs diff=lfs merge=lfs -text