diff --git a/wchat/wx/SecCheck.php b/wchat/wx/SecCheck.php
index d2d135a..30bec49 100644
--- a/wchat/wx/SecCheck.php
+++ b/wchat/wx/SecCheck.php
@@ -13,7 +13,7 @@ use wchat\common\Result;
 class SecCheck extends SmallProgram
 {
 
-    private $_url = '/wxa/img_sec_check?access_token=';
+    private $_url = 'https://api.weixin.qq.com/wxa/img_sec_check?access_token=';
 
     private $_msgUrl = '/wxa/msg_sec_check?access_token=';
 
@@ -33,7 +33,6 @@ class SecCheck extends SmallProgram
 		}
 		$this->request->setUseSwoole(false);
 		$this->request->setIsSSL(true);
-		$this->request->setHost('api.weixin.qq.com');
 		$this->request->setHeader('Content-Type', 'multipart/form-data');
 		$this->request->setErrorField('errcode');
 		$this->request->setErrorMsgField('errmsg');