regiter添加shoppingkey

@@ -167,11 +167,11 @@ class RegData
         $param['profile'] = $mobile;
         $param['password'] = $password;
         $param['client_type'] = $clientType;
-        $param['private_key'] = Yohobuy::$privateKeyList[$clientType];
-        $param['client_secret'] = Sign::getSign($param);
         if (!empty($shoppingKey)) {
             $param['shopping_key'] = $shoppingKey;
         }
+        $param['private_key'] = Yohobuy::$privateKeyList[$clientType];
+        $param['client_secret'] = Sign::getSign($param);
         
         return Yohobuy::post(Yohobuy::API_URL, $param);
     }