商城，已付款未发货的订单取消，自动退款

addons/unishop/controller/Order.php

@@ -403,7 +403,8 @@ class Order extends Base
                     $order = Db::name('unishop_order')->where('id',$order_id)->find();
 
                     if($order['pay_type'] == 2){
-                        $wallet_rs = model('wallet')->lockChangeAccountRemain($order['user_id'],'money',$refund_amount,32,'商城取消订单退款'.$order['out_trade_no'],'unishop_order',$order_id);
+                        $wallet = new \app\common\model\Wallet();
+                        $wallet_rs = $wallet->lockChangeAccountRemain($order['user_id'],'money',$refund_amount,32,'商城取消订单退款'.$order['out_trade_no'],'unishop_order',$order_id);
                         if($wallet_rs['status'] === false){
                             Db::rollback();
                             $this->error($wallet_rs['msg']);