diff --git a/OAT.xml b/OAT.xml
index a382e287b3553c2c768ad4404f2cb4b2c06f3f17..a109a4d0fe2d31e604267d3a1d1d8d3ddee1629e 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -64,74 +64,49 @@ used to filter file path.
             <policy name="projectPolicy" desc="The LICENSE is not standardized">
                 <policyitem type="compatibility" name="GPLStyleLicense" path="modules/third_party/g722/.*" desc="经法务确认,涉及文件在render进程进行了隔离" />
                 <policyitem type="compatibility" name="GPLStyleLicense" path="modules/third_party/g711/.*" desc="经法务确认,涉及文件在render进程进行了隔离" />
-                
                 <policyitem type="compatibility" name="Public Domain" path="common_audio/third_party/spl_sqrt_floor/.*" desc="经法务确认为宽松型许可证" /> 
                 <policyitem type="compatibility" name="Public Domain" path="rtc_base/third_party/sigslot/.*" desc="经法务确认为宽松型许可证" /> 
                 <policyitem type="compatibility" name="LicenseRef-scancode-takuya-ooura" path="common_audio/third_party/ooura/fft_size_256/fft4g.cc" desc="经法务确认为宽松型许可证" />
-                <policyitem type="compatibility" name="LicenseRef-scancode-takuya-ooura" path="common_audio/third_party/ooura/LICENSE" desc="经法务确认为宽松型许可证" />
                 <policyitem type="compatibility" name="LicenseRef-scancode-takuya-ooura" path="common_audio/third_party/ooura/README.chromium" desc="经法务确认为宽松型许可证" />
-                <policyitem type="compatibility" name="LicenseRef-scancode-x11-lucent" path="modules/third_party/fft/LICENSE" desc="经法务确认为宽松型许可证" />
                 <policyitem type="compatibility" name="LicenseRef-scancode-x11-lucent" path="modules/third_party/fft/fft.c" desc="经法务确认为宽松型许可证" />
-                <policyitem type="compatibility" name="GFDL-1.2-only" path="examples/androidtests/third_party/README.webrtc" desc="经法务确认为宽松型许可证" />
-                <policyitem type="compatibility" name="LicenseRef-scancode-google-patent-license-webrtc" path="PATENTS" desc="经法务确认为宽松型许可证" />
             </policy>
         </policylist>
         <filefilterlist>
             <filefilter name="defaultPolicyFilter"
                 desc="Filters for compatibility,license header policies">
-                <filteritem type="filepath" name="README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="modules/third_party/fft/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="modules/third_party/g722/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="rtc_base/third_party/sigslot/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="modules/third_party/portaudio/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="modules/third_party/g711/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="rtc_base/third_party/base64/README.chromium"  desc="chromium原生文件无license" />
-                <filteritem type="filepath" name="common_audio/third_party/spl_sqrt_floor/README.chromium"  desc="chromium原生文件无license" />   
+                <filteritem type="filepath" name="modules/third_party/portaudio/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="common_audio/third_party/spl_sqrt_floor/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="modules/third_party/g711/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="rtc_base/third_party/base64/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="modules/third_party/g722/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="rtc_base/third_party/sigslot/README.chromium" desc="chromium原生文件无license" />
+                <filteritem type="filepath" name="modules/third_party/fft/README.chromium" desc="chromium原生文件无license" />
             </filefilter>
-
-            
             <filefilter name="defaultFilter">
-                <filteritem type="filepath" name="README.OpenSource" desc="Filter readme.opensource files" />
-                
+                <filteritem type="filepath" name="examples/.*" desc="经确认，该文件不会使用" />
+                <filteritem type="filepath" name="test/.*" desc="经确认，该文件不会使用" />
                 <filteritem type="filepath" name="examples/androidapp/third_party/autobanh/NOTICE" desc="经确认，该文件不会使用" />
+                <filteritem type="filepath" name="PATENTS" desc="经确认，该文件不会使用" />
+                <filteritem type="filepath" name="examples/androidtests/third_party/README.webrtc" desc="经确认，该文件不会使用" />
+                <filteritem type="filepath" name="modules/third_party/fft/LICENSE" desc="经确认，该文件不会使用" />
+                <filteritem type="filepath" name="common_audio/third_party/ooura/LICENSE" desc="经确认，该文件不会使用" />
             </filefilter>
-            
             <filefilter name="binaryFileTypePolicyFilter">
-                <filteritem type="filepath" name=".*wav" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*exe" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*png" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*rtcp" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*mdns" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*sha1" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*rtp" desc="chromium原生二进制" />
-                <filteritem type="filename" name="rtp-*" desc="chromium原生二进制" />
-                <filteritem type="filename" name="dependency-descriptor-*" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*cur" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*bin" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*stun" desc="chromium原生二进制" />
-                <filteritem type="filename" name="agc-*" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*pb" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*mp3" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*mp4" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*pcm" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*rtpdump" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*ttf" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*jar" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*h264-0" desc="chromium原生二进制" />
-                <filteritem type="filepath" name=".*h264-1" desc="chromium原生二进制" />
-                <filteritem type="filename" name="audio-processing-*" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/video_layers_allocation-corpus/vla-0" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/rtp-depacketizer-av1-assemble-frame-corpus/av1-assemble-frame-0" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/pseudotcp-corpus/785b96587d0eb44dd5d75b7a886f37e2ac504511" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/rtp-depacketizer-av1-assemble-frame-corpus/av1-assemble-frame-0" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/video_layers_allocation-corpus/vla-0" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/vp9-encoder-references-corpus/a8b3fb7be82395c9462684c766841d668dc0029f" desc="chromium原生二进制" />
-                <filteritem type="filepath" name="test/fuzzers/corpora/vp9-encoder-references-corpus/0cee4d5fd2905dc1fb2979f10a9724265b7075e2" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/voice_engine/.*wav" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/voice_engine/stereo_rtp_files/rtpplay.exe" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="tools_webrtc/video_quality_toolchain/win/.*sha1" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="tools_webrtc/audio_quality/win/.*sha1" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/voice_engine/stereo_rtp_files/.*rtp" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="modules/desktop_capture/win/cursor_test_data/.*cur" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/audio_processing/android/output_data_fixed.pb" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/audio_processing/android/output_data_float.pb" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="sdk/objc/unittests/foreman.mp4" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="sdk/objc/unittests/.*pcm" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="data/voice_engine/.*pcm" desc="chromium原生二进制" />
+                <filteritem type="filepath" name="rtc_tools/network_tester/androidapp/res/.*png" desc="chromium原生二进制" />
             </filefilter>
         </filefilterlist>
         <licensematcherlist>
-           
             <licensematcher name="Public Domain" desc="">
                 <licensetext name="
                 * From: Wilco Dijkstra &lt;Wilco.Dijkstra@ntlworld.com&gt;
@@ -143,11 +118,15 @@ used to filter file path.
                     * comp.sys.arm a long time ago), so you can use them freely for any purpose.
                     * Cheers,
                     * Wilco
+            " desc="" />
+                <licensetext name="
+                // License: Public domain. You are free to use this code however you like, with
+                // the proviso that the author takes on no responsibility or liability for any
+                // use.
             " desc="" />
             </licensematcher>
             <licensematcher name="BSD-3-Clause" desc="">
                 <licensetext name="
-                % % Copyright(c) 2011 The WebRTC project authors.All Rights Reserved.%
                         % Use of this source code is governed by a BSD
                     -
                     style license % that can be found in the LICENSE file in the root of the source
@@ -158,15 +137,23 @@ used to filter file path.
                         clear;
                 pack;
             " desc="" />
-            </licensematcher>
-            <licensematcher name="Public Domain" desc="">
-                <licensetext name="
-                // License: Public domain. You are free to use this code however you like, with
-                // the proviso that the author takes on no responsibility or liability for any
-                // use.
+            <licensetext name="
+                    Name: WebRTC
+                    URL: http://www.webrtc.org
+                    Version: 90
+                    CPEPrefix: cpe:/a:webrtc_project:webrtc:90
+                    License: BSD
+                    License File: LICENSE
+
+                    Description:
+                    WebRTC provides real time voice and video processing
+                    functionality to enable the implementation of
+                    PeerConnection/MediaStream.
+
+                    Third party code used in this project is described
+                    in the file LICENSE_THIRD_PARTY.
             " desc="" />
             </licensematcher>
-            
             <licensematcher name="LicenseRef-scancode-takuya-ooura" desc="">
                 <licensetext name="
                 Name: General Purpose FFT (Fast Fourier/Cosine/Sine Transform) Package
@@ -177,7 +164,8 @@ used to filter file path.
                 License: Custome license
                 License File: LICENSE
                 Security Critical: yes
-            " desc="" /><licensetext name="
+            " desc="" />
+            <licensetext name="
                 * http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html
                 * Copyright Takuya OOURA, 1996-2001
                 *
@@ -186,19 +174,6 @@ used to filter file path.
                 * this code.
             " desc="" />
             </licensematcher>
-
-            <licensematcher name="GFDL-1.2-only" desc="">
-                <licensetext name="
-                The third_party directory contains sources from other projects.
-
-                Code in third_party must document the license under which the source is being
-                used. If the source itself does not include a license header or file, create
-                an entry in this file that refers to reliable documentation of the project's
-                license terms on the web (and add a note pointing here in the README file in
-                that directory).
-
-            " desc="" />
-            </licensematcher>
             <licensematcher name="LicenseRef-scancode-x11-lucent" desc="">
                 <licensetext name="
                     * Permission to use, copy, modify, and distribute this software for
@@ -223,41 +198,6 @@ used to filter file path.
                     * that everyone benefits.
             " desc="" />
             </licensematcher>
-            <licensematcher name="LicenseRef-scancode-google-patent-license-webrtc" desc="">
-                <licensetext name="
-                   Additional IP Rights Grant (Patents)
-
-                    &quot;This implementation&quot; means the copyrightable works distributed by
-                    Google as part of the WebRTC code package.
-
-                    Google hereby grants to you a perpetual, worldwide, non-exclusive,
-                    no-charge, irrevocable (except as stated in this section) patent
-                    license to make, have made, use, offer to sell, sell, import,
-                    transfer, and otherwise run, modify and propagate the contents of this
-                    implementation of the WebRTC code package, where such license applies
-                    only to those patent claims, both currently owned by Google and
-                    acquired in the future, licensable by Google that are necessarily
-                    infringed by this implementation of the WebRTC code package. This
-                    grant does not include claims that would be infringed only as a
-                    consequence of further modification of this implementation. If you or
-                    your agent or exclusive licensee institute or order or agree to the
-                    institution of patent litigation against any entity (including a
-                    cross-claim or counterclaim in a lawsuit) alleging that this
-                    implementation of the WebRTC code package or any code incorporated
-                    within this implementation of the WebRTC code package constitutes
-                    direct or contributory patent infringement, or inducement of patent
-                    infringement, then any patent rights granted to you under this License
-                    for this implementation of the WebRTC code package shall terminate as
-                    of the date such litigation is filed.
-            " desc="" />
-            </licensematcher> 
-            <licensematcher name="LicenseRef-scancode-unknown-license-reference" desc="">
-                <licensetext name="
-                   AutobahnAndroid
-                    Copyright 2011,2012 Tavendo GmbH. Licensed under Apache 2.0
-                    This product includes software developed at Tavendo GmbH http://www.tavendo.de
-            " desc="" />
-            </licensematcher>
         </licensematcherlist>
     </oatconfig>
 </configuration>
\ No newline at end of file