diff --git a/LICENSE b/LICENSE
index adb3c75c67b8c41534c2deee37b8ca3c4ccf2f5d..7a4a3ea2424c09fbe48d455aed1eaa94d9124835 100644
--- a/LICENSE
+++ b/LICENSE
@@ -199,35 +199,4 @@
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
-   limitations under the License.
-
-==================================
-BSD
-==================================
-
-Copyright (C) 2016-2018 The Android Open Source Project
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
- * Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in
-   the documentation and/or other materials provided with the
-   distribution.
- *
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
-OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
-AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
-OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
-
+   limitations under the License.
\ No newline at end of file
diff --git a/OAT.xml b/OAT.xml
new file mode 100644
index 0000000000000000000000000000000000000000..9ba4a2fb68874359b88d830bfeb80084ecc0935a
--- /dev/null
+++ b/OAT.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- Copyright (c) 2021 Huawei Device Co., Ltd.
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+
+    This is the configuration file template for OpenHarmony OSS Audit Tool, please copy it to your
+project root dir and modify it refer to OpenHarmony/tools_oat/README.
+    All configurations in this file will be merged to OAT-Default.xml, if you have any questions or
+concerns, please create issue in OpenHarmony/tools_oat and @jalenchen or chenyaxun.
+
+    licensefile:
+    1.If the project don't have "LICENSE" in root dir, please define all the license files in this
+project in , OAT will check license files according to this rule.
+
+    policylist:
+    1. policy: If the OAT-Default.xml policies do not meet your requirements, please add policies here.
+    2. policyitem: The fields type, name, path, desc is required, and the fields rule, group,
+filefilter is optional,the default value is:
+    <policyitem type="" name="" path="" desc="" rule="may" group="defaultGroup"
+filefilter="defaultPolicyFilter"/>
+    3. policyitem type:
+        "compatibility" is used to check license compatibility in the specified path;
+        "license" is used to check source license header in the specified path;
+        "copyright" is used to check source copyright header in the specified path;
+        "import" is used to check source dependency in the specified path, such as import ... ,include ...
+        "filetype" is used to check file type in the specified path, supported file types: archive, binary
+        "filename" is used to check whether the specified file exists in the specified path(projectroot
+means the root dir of the project), supported file names: LICENSE, README, README.OpenSource
+    4. policyitem name: This field is used for define the license, copyright, "*" means match all, the
+"!" prefix means could not match this value. For example, "!GPL" means can not use GPL license.
+    5. policyitem path: This field is used for define the source file scope to apply this policyitem,
+the "!" prefix means exclude the files. For example, "!.*/lib/.*" means files in lib dir will be
+exclude while process this policyitem.
+    6. policyitem rule and group: These two fields are used together to merge policy results. "may"
+policyitems in the same group means any one in this group passed, the result will be passed.
+    7. policyitem filefilter: Used to bind filefilter which define filter rules.
+    7. policyitem desc: Used to describe the reason of this policy item, committers will check this
+while merging the code.
+    8. filefilter: Filter rules, the type filename is used to filter file name, the type filepath is
+used to filter file path.
+
+    Note:If the text contains special characters, please escape them according to the following rules:
+    " == &quot;
+    & == &amp;
+    ' == &apos;
+    < == &lt;
+    > == &gt;
+-->
+
+<configuration>
+    <oatconfig>
+        <policylist>
+        </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" />
+            </filefilter>
+            <filefilter name="readmeOpenSourcefileNamePolicFilter">
+                <filteritem type="filepath" name="README.OpenSource" desc="Filter readme.opensource files" />
+            </filefilter>
+        </filefilterlist>
+        <licensematcherlist>
+        <licensematcher name="Apache-2.0" desc="">
+                <licensetext name="
+                Name: libunwindstack
+                URL: https://android.googlesource.com/platform/system/core
+                Revision: a7b4c5d25aebc2c7e6156473dae98238c029e630
+                Date: March 31, 2020
+                License: Apache 2.0
+                License File: LICENSE
+                Security Critical: yes
+            " desc="" />
+            </licensematcher>
+        </licensematcherlist>
+    </oatconfig>
+</configuration>
diff --git a/README.OpenSource b/README.OpenSource
new file mode 100644
index 0000000000000000000000000000000000000000..914ae87115db158c9fc517f76f91cad86be36cf8
--- /dev/null
+++ b/README.OpenSource
@@ -0,0 +1,11 @@
+[
+    {
+        "Name": "libunwindstack",
+        "License": "Apache-2.0",
+        "License File": "LICENSE",
+        "Version Number": "6868358481bb1e5e20d155c1084dc436c88b5e6b",
+        "Owner": "huangjiewen2@huawei.com",
+        "Upstream URL": "https://chromium.googlesource.com/chromium/src/third_party/libunwindstack.git@6868358481bb1e5e20d155c1084dc436c88b5e6b",
+        "Description": "第三方软件libunwindstack，可以很方便的获取函数栈中的内容，极大的方便了对函数间调用关系的了解"
+    }
+]
\ No newline at end of file