upd

application/library/Order/OrderConfirmUtil.php

@@ -733,7 +733,7 @@ class OrderConfirmUtil {
                 ));
             \Our\Log::getInstance()->write(json_encode($req_data), '/data/log/apptest');
             $url = 'https://api.weixin.qq.com/cgi-bin/message/wxopen/template/send?access_token=';
-            $result = $this->sendurl($url, $access_token, json_encode($req_data), 'post');
+            $result = $this->sendurl($url, $access_token, $req_data, 'post');
             \Our\Log::getInstance()->write(var_export($result, true), '/data/log/apptest');
         }
         $this->opCacheInfo();