Update oauth2.md

docs/sso/oauth2.md

@@ -230,6 +230,7 @@ access_token  :  "token_id"
  </table> 	
 
 <h4>3)用户属性接口/api/oauth/v20/me</h4>
+
 <table  border="0" class="table table-striped table-bordered ">
  	   <tr>
 	    <th> 接口名称 </th>
@@ -289,6 +290,7 @@ zhangs是认证的用户ID
 
 
 OAuth认证接口属性列表
+
 <table   border="0" class="table table-striped table-bordered ">
    <tr >
 	<th> 属性名(Attribute) </th>