diff --git a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
index f17a8afcc..9446b81c9 100644
--- a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
+++ b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
@@ -217,7 +217,7 @@ class PurchaseProductOfferLogic extends BaseLogic
         $offer = PurchaseProductOffer::where(['id' => $params['id']])->find();
         $lastPrice = PurchaseProductOffer::where(['product_id' => $offer['product_id']])->where('status', 1)->order('id desc')->value('price');
         $currentPrice = bcdiv($params['total_price'], $params['buyer_nums'], 2);
-        if (!empty($lastPrice) && ($currentPrice > $lastPrice * 3 || $currentPrice < $lastPrice / 3)) {
+        if ($lastPrice > 0 && ($currentPrice > $lastPrice * 3 || $currentPrice < $lastPrice / 3)) {
             throw new BusinessException('价格异常，请重新输入');
         }
         // $uid=Admin::where('id',$params['admin_id'])->value('uid');