diff --git a/wchat/officialaccount/Tag.php b/wchat/officialaccount/Tag.php
index 87e2363..2320185 100644
--- a/wchat/officialaccount/Tag.php
+++ b/wchat/officialaccount/Tag.php
@@ -32,7 +32,7 @@ class Tag extends AfficialAccount
 		$this->request->setErrorField('errcode');
 		$this->request->setErrorMsgField('errmsg');
 
-		$this->request->setData(json_encode($params));
+		$this->request->setData(json_encode($params, JSON_UNESCAPED_UNICODE));
 		return $this->request->post($this->generate_url . $config);
 	}
 
@@ -88,7 +88,7 @@ class Tag extends AfficialAccount
 
 		$this->request->setErrorField('errcode');
 		$this->request->setErrorMsgField('errmsg');
-		$this->request->setData(json_encode($url));
+		$this->request->setData(json_encode($url, JSON_UNESCAPED_UNICODE));
 		return $this->request->post($this->user_batch_add_tag . $config);
 	}