diff --git a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
index d1c286d2..fd04f6b2 100644
--- a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
+++ b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
@@ -378,7 +378,13 @@ class PurchaseProductOfferLogic extends BaseLogic
                     break;
                 }
             }
+            if (empty($storeProductGroupPrice)) {
+                return;
+            }
             foreach ($productCatePriceRate as $k => $v) {
+                if (empty($v['rate'])) {
+                    continue;
+                }
                 if ($v['id'] == 4 &&$purchase>0) {
                     //商户
                     $data['cost_lv'] = bcdiv($v['rate'], 100, 2);