diff --git a/wchat/officialaccount/Tag.php b/wchat/officialaccount/Tag.php
index 4be2cbe..f448768 100644
--- a/wchat/officialaccount/Tag.php
+++ b/wchat/officialaccount/Tag.php
@@ -4,6 +4,8 @@
 namespace wchat\officialaccount;
 
 
+use wchat\common\Result;
+
 class Tag extends AfficialAccount
 {
 
@@ -18,7 +20,7 @@ class Tag extends AfficialAccount
 
 	/**
 	 * @param $tagName
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function generate($tagName)
@@ -36,7 +38,7 @@ class Tag extends AfficialAccount
 	/**
 	 * @param $id
 	 * @param $tagName
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function tag_edit($id, $tagName)
@@ -56,8 +58,7 @@ class Tag extends AfficialAccount
 
 	/**
 	 * @param $id
-	 * @param $tagName
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function tag_delete($id)
@@ -74,7 +75,7 @@ class Tag extends AfficialAccount
 	/**
 	 * @param $id
 	 * @param string[] $openid_list
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function user_batch_add_tag($id, array $openid_list)
@@ -93,7 +94,7 @@ class Tag extends AfficialAccount
 	/**
 	 * @param $id
 	 * @param string[] $openid_list
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function user_batch_remove_tag($id, array $openid_list)
@@ -110,7 +111,7 @@ class Tag extends AfficialAccount
 
 
 	/**
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function tagList()
@@ -124,7 +125,7 @@ class Tag extends AfficialAccount
 
 
 	/**
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function tag_fans_list()
@@ -138,7 +139,7 @@ class Tag extends AfficialAccount
 
 	/**
 	 * @param $openid
-	 * @return mixed
+	 * @return Result
 	 * @throws \Exception
 	 */
 	public function user_tag($openid)