diff --git a/OAT.xml b/OAT.xml
index ec359c6090f0ad1a31b196c0cdc2b376baf38d92..f8185dc0c23c6d1f956cfcbbc7cc1e9db8b8f2cb 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -92,6 +92,7 @@ Note:If the text contains special characters, please escape them according to th
 				<filteritem type="filepath" name="contrib/masmx86 " desc="not used in ohos "/>
 				<filteritem type="filepath" name="contrib/dotzlib " desc="not used in ohos "/>
 				<filteritem type="filepath" name="FAQ " desc="not used in ohos "/>
+				<filteritem type="filename" name="*.pdf" desc="not used in ohos "/>
 			</filefilter>
 		</filefilterlist>
 	</oatconfig>