diff --git a/OAT.xml b/OAT.xml
index ee1663b8d17dc698c1f8c948f3f4e75ac74133ec..bc5081b97aa6e9cda78cba93eefd56c952700802 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -54,24 +54,29 @@ Note:If the text contains special characters, please escape them according to th
 < == &gt;
 > == &gt;
 -->
+
 <configuration>
     <oatconfig>
         <licensefile>LICENSE</licensefile>
         <policylist>
             <policy name="projectPolicy" desc="">
-                <policyitem type="compatibility" name="GPL 2.0 with SANE Exception" path="*" desc="SANE is a special exception"/-->
-            </policy>
-        </policylist>
-        <policylist>
-            <policy name="projectPolicy" desc="backends source code">
-                <policyitem type="compatibility" name="LGPL" path=".*" rule="may" group="defaultGroup" filefilter="defaultPolicyFilter" desc="Dynamic link"/>
+                <policyitem type="compatibility" name="GPL-2.0+" path=".*" desc="实际为GPL 2.0 with SANE Exception"/>
+                <policyitem type="compatibility" name="GPLStyleLicense" path=".*" desc="实际为GPL 2.0 with SANE Exception"/>
+                <policyitem type="compatibility" name="JPEG License" path=".*" desc="JPEG"/>
+                <policyitem type="compatibility" name="public domain" path=".*" desc="public domain"/>
             </policy>
         </policylist>
         <filefilterlist>
             <filefilter name="defaultPolicyFilter" desc="Filters for compatibility, license header policies">
+                <filteritem type="filename" name="git-version-gen" desc="git version check script"/>
+                <filteritem type="filename" name="README*|*.po|*.am|*.sh|INSTALL*|*change*|*.desc|*.ref|Makevars|*.man" desc="README"/>
+                <filteritem type="filepath" name="backend/epson2-cct.c" desc="本文件不使用"/>
+                <filteritem type="filepath" name="lib/snprintf.c" desc="本文件不使用"/>
+                <filteritem type="filepath" name="tools/hotplug-ng/libsane.hotplug" desc="插件"/>
+            </filefilter>
+            <filefilter name="binaryFileTypePolicyFilter" desc="Filters for compatibility, license header policies">
                 <filteritem type="filename" name="*.jpg" desc="jpg build files, not used"/>
                 <filteritem type="filename" name="*.png" desc="png build files, not used"/>
-                <filteritem type="filename" name="git-version-gen" desc="git version check script"/>
             </filefilter>
         </filefilterlist>
         <licensematcherlist>
@@ -112,6 +117,19 @@ Note:If the text contains special characters, please escape them according to th
                     If you do not wish that, delete this exception notice.
 				 " desc="SANE exception description"/>
             </licensematcher>
+            <licensematcher name="JPEG License" desc="JPEG description">
+                <licensetext name="
+                    This file is part of the Independent JPEG Group's software
+				 " desc=""/>
+            </licensematcher>
+            <licensematcher name="public domain" desc="JPEG description">
+                <licensetext name="
+                    This file is in the public domain.  You may use and modify it as
+   you see fit, as long as this copyright message is included and
+   that there is an indication as to what modifications have been
+   made (if any).
+				 " desc=""/>
+            </licensematcher>
         </licensematcherlist>
     </oatconfig>
 </configuration>