diff --git a/wchat/officialaccount/Tag.php b/wchat/officialaccount/Tag.php
index e33d144..87e2363 100644
--- a/wchat/officialaccount/Tag.php
+++ b/wchat/officialaccount/Tag.php
@@ -88,7 +88,8 @@ class Tag extends AfficialAccount
 
 		$this->request->setErrorField('errcode');
 		$this->request->setErrorMsgField('errmsg');
-		return $this->request->post($this->user_batch_add_tag . $config, $url);
+		$this->request->setData(json_encode($url));
+		return $this->request->post($this->user_batch_add_tag . $config);
 	}