diff --git a/OAT.xml b/OAT.xml
index d09d3be7810c866745a4dea23919cdc2639097ea..8c2f7cd1d23b427bb56128451b78a1d9cccd6a91 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -58,13 +58,13 @@ Note:If the text contains special characters, please escape them according to th
     <oatconfig>
         <filefilterlist>
             <filefilter name="binaryFileTypePolicyFilter" desc="Filters for binary file policies" >
-                <filteritem type="filename" name=".*.pem" desc="Testing of API for HTTPS configuration certificates requires a certificate input"/>
+                <filteritem type="filename" name=".*.png" desc="png figures for runtime"/>
             </filefilter>
             <filefilter name="defaultPolicyFilter" desc="Filters for compatibility，license header policies">
-                <filteritem type="filename" name=".*.toml" desc="toml treats as readme file"/>
-	    </filefilter>
+                <filteritem type="filename" name=".*.toml" desc="toml files are treated the same as readme files"/>
+            </filefilter>
             <filefilter name="copyrightPolicyFilter" desc="Filters for copyright  policies">
-                <filteritem type="filename" name=".*.toml" desc="toml treats as readme file"/>
+                <filteritem type="filename" name=".*.toml" desc="toml files are treated the same as readme files"/>
             </filefilter>
         </filefilterlist>
     </oatconfig>