diff --git a/wchat/base/Template.php b/wchat/base/Template.php
index 99ad73f..4e4adc1 100644
--- a/wchat/base/Template.php
+++ b/wchat/base/Template.php
@@ -128,7 +128,7 @@ abstract class Template extends Miniprogarampage
 		}
 //		$params = json_encode($params, JSON_UNESCAPED_UNICODE);
 		$this->request->setIsSSL(true);
-		$this->request->addHeader('Content-Type', 'application/json');
+		$this->request->addHeader('Content-Type', 'application/json; charset=utf-8');
 		$this->request->setErrorField('errcode');
 		$this->request->setErrorMsgField('errmsg');
 		$result = $this->request->post($url, $params);