diff --git a/wchat/officialaccount/Authorization.php b/wchat/officialaccount/Authorization.php
index 57fa15a..1b90c04 100644
--- a/wchat/officialaccount/Authorization.php
+++ b/wchat/officialaccount/Authorization.php
@@ -4,10 +4,16 @@
 namespace wchat\officialaccount;
 
 
+use Exception;
+use wchat\common\Result;
 use wchat\officialaccount\dcaler\SnsInfo;
 use wchat\common\HttpClient;
 use wchat\officialaccount\dcaler\Authorization as DAuth;
 
+/**
+ * Class Authorization
+ * @package wchat\officialaccount
+ */
 class Authorization extends AfficialAccount
 {
 
@@ -21,14 +27,14 @@ class Authorization extends AfficialAccount
 
 	/**
 	 * @param $code
-	 * @return array|mixed|\wchat\Result
-	 * @throws \Exception
+	 * @return array|mixed|Result
+	 * @throws Exception
 	 */
 	public function authorization_user_info($code)
 	{
 		$param = $this->GetAccessTokenByCode($code);
 		if (!$param->isResultsOK()) {
-			throw new \Exception($param->getMessage());
+			throw new Exception($param->getMessage());
 		}
 
 		$requestParam['access_token'] = $param->getData('access_token');
@@ -49,7 +55,7 @@ class Authorization extends AfficialAccount
 
 	/**
 	 * @param $code
-	 * @return array|mixed|\wchat\Result
+	 * @return array|mixed|Result
 	 */
 	private function GetAccessTokenByCode($code)
 	{
@@ -65,7 +71,7 @@ class Authorization extends AfficialAccount
 	/**
 	 * @param $openid
 	 * @return DAuth
-	 * @throws \Exception
+	 * @throws Exception
 	 * 获取用户信息
 	 */
 	public function To_grant_authorization($openid)
@@ -76,7 +82,7 @@ class Authorization extends AfficialAccount
 
 		$authorization = $this->request->get($this->url, $requestParam);
 		if (!$authorization) {
-			throw new \Exception($authorization->getMessage());
+			throw new Exception($authorization->getMessage());
 		}
 
 		return DAuth::instance($authorization->getData());
@@ -86,7 +92,7 @@ class Authorization extends AfficialAccount
 	/**
 	 * @param $long_url
 	 * @return string
-	 * @throws \Exception
+	 * @throws Exception
 	 */
 	public function Turn_to_short_chain($long_url)
 	{
@@ -96,7 +102,7 @@ class Authorization extends AfficialAccount
 
 		$result = $this->request->post($this->turn . $token, $requestParam);
 		if (!$result->isResultsOK()) {
-			throw new \Exception($result->getMessage());
+			throw new Exception($result->getMessage());
 		}
 		return $result->getData('short_url');
 	}