diff --git a/OAT.xml b/OAT.xml
index 7bb17cac3f361d64c5174c58a9d12a7c1de4203e..ad803f64edd3d01c25a68b90815768539a919c02 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -39,7 +39,6 @@ policyList:
     "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.