diff --git a/OAT.xml b/OAT.xml
index e94700e..9aa2100 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -59,7 +59,7 @@ Note:If the text contains special characters, please escape them according to th
         <licensefile>COPYING</licensefile>
         <policylist>
              <policy name="projectPolicy" desc="">
-                 <policyitem type="compatibility" name="FSFULLR|GPLStyleLicense" path="m4/libtool.m4" desc="经识别此文件License为FSFULLR,属于宽松型许可证,可以兼容"/>
+                 <policyitem type="compatibility" name="FSFULLR|GPLStyleLicense-with-Libtool-exception" path="m4/libtool.m4" desc="经识别此文件License为FSFULLR,属于宽松型许可证,可以兼容"/>
              </policy>
         </policylist>
         <filefilterlist>
@@ -89,6 +89,7 @@ Note:If the text contains special characters, please escape them according to th
                 <filteritem type="filepath" name="src/udev/.*" desc="使用但是是独立进程，被init进程调用，自研进程不受GPL影响"/>
                 <filteritem type="filepath" name="src/v4l_id/.*" desc="未使用"/>
                 <filteritem type="filepath" name="test/.*" desc="未使用"/>
+                <filteritem type="filepath" name="m4/libtool.m4" desc="经识别此文件License为FSFULLR,属于宽松型许可证,可以兼容"/>
             </filefilter>
             <filefilter name="copyrightPolicyFilter" desc="Filters for copyright header policies" >
                 <filteritem type="filename" name="README.OpenSource"/>