diff --git a/OAT.xml b/OAT.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5fc2d71a6ce5da8451404d480fcec55507cd3cc8
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+++ b/OAT.xml
@@ -0,0 +1,65 @@
+<?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.
+
+	 Notes:
+	 This is project config file for OpenHarmony OSS Audit Tool|if you have any questions or concerns|please email chenyaxun.
+-->
+<!-- OAT(OSS Audit Tool) configuration guide:
+basedir: Root dir|the basedir + project path is the real source file location.
+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.
+
+tasklist(only for batch mode):
+1. task: Define oat check thread|each task will start a new thread.
+2. task name: Only an name|no practical effect.
+3. task policy: Default policy for projects under this task|this field is required and the specified policy must defined in policylist.
+4. task filter: Default filefilter for projects under this task|this field is required and the specified filefilter must defined in filefilterlist.
+5. task project: Projects to be checked|the path field define the source root dir of the project.
+
+
+policyList:
+1. policy: All policyitems will be merged to default OAT.xml rules|the name of policy doesn't affect OAT check process.
+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(support projectroot in default OAT.xml)|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.
+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:
+" == &gt;
+& == &gt;
+' == &gt;
+< == &gt;
+> == &gt;
+-->
+<configuration>
+    <oatconfig>
+		<licensefile>LICENSE-APACHE|LICENSE-MIT</licensefile>
+        <policylist>
+            <policy name="projectPolicy" desc="">
+                <policyitem type="compatibility" name="InvalidLicense" path="Cargo.toml" desc="配置文件不涉及LICENSE"/>
+            </policy>
+        </policylist>
+    </oatconfig>
+</configuration>
\ No newline at end of file
diff --git a/README.OpenSource b/README.OpenSource
new file mode 100644
index 0000000000000000000000000000000000000000..89f731a2b240328528b489330382c074033466ce
--- /dev/null
+++ b/README.OpenSource
@@ -0,0 +1,11 @@
+[
+  {
+    "Name": "rust-cexpr",
+    "License": "Apache License 2.0, MIT",
+    "License File": "LICENSE-APACHE|LICENSE-MIT",
+    "Version Number": "v0.5.0",
+    "Owner": "fangting12@huawei.com",
+    "Upstream URL": "https://github.com/jethrogb/rust-cexpr",
+    "Description": "A library that provides support for evaluating simple constant expressions at compile time."
+  }
+]