edit

src/Ship.php

@@ -104,6 +104,9 @@ class Ship
 	{
 		$config = Dever::db('pay/account')->find(5);
 		$order = Dever::db('order/sell')->find($order_id);
+		if ($order['price'] <= 0 || $order['price'] - $order['tk_cash'] <= 0) {
+			return false;
+		}
 		$param = array();
 		$param['merchant_id'] = $config['mchid'];
 		$param['merchant_trade_no'] = $order['order_num'];