diff --git a/wchat/wx/V3/TransferBatches.php b/wchat/wx/V3/TransferBatches.php
index 553cdb3..521af37 100644
--- a/wchat/wx/V3/TransferBatches.php
+++ b/wchat/wx/V3/TransferBatches.php
@@ -32,7 +32,7 @@ class TransferBatches extends SmallProgram
 
         $sign = $this->signature('POST', '/v3/transfer/batches', $json = json_encode($body, JSON_UNESCAPED_UNICODE));
 
-        $client = new CurlClient('api.mch.weixin.qq.com', 443, TRUE);
+        $client = new Client('api.mch.weixin.qq.com', 443, TRUE);
         $client->withAddedHeader('Authorization', $sign)->withContentType('application/json')
                ->withAgent('application/json')->withBody($json)->withAddedHeader("Accept", "*/*");