diff --git a/wchat/officialaccount/Tag.php b/wchat/officialaccount/Tag.php
index f448768..1d58044 100644
--- a/wchat/officialaccount/Tag.php
+++ b/wchat/officialaccount/Tag.php
@@ -25,7 +25,7 @@ class Tag extends AfficialAccount
 	 */
 	public function generate($tagName)
 	{
-		$params['tag[name]'] = $tagName;
+		$params['tag'] = ['name' => $tagName];
 
 		$config = $this->config->getAccessToken();