diff --git a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
index e9cef4c8f..7caa7a63f 100644
--- a/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
+++ b/app/admin/logic/purchase_product_offer/PurchaseProductOfferLogic.php
@@ -183,7 +183,7 @@ class PurchaseProductOfferLogic extends BaseLogic
                 'expiration_date' => $params['expiration_date'],
             ]);
 //            $find = StoreProductPrice::where(['offer_id' => $params['id']])->find();
-            $product = StoreProduct::where('id', $offer['product_id'])->withTrashed()->field('id,store_name,top_cate_id,two_cate_id')->find();
+            $product = StoreProduct::where('id', $offer['product_id'])->withTrashed()->field('id,store_name,top_cate_id,two_cate_id,cate_id')->find();
             $unit_name=StoreProductUnit::where('id', $offer['unit'])->value('name');
             $order = BeforehandOrder::where('id', $params['bhoid'])->find();
             $order->pay_price = PurchaseProductOffer::where('order_id', $order['id'])->sum('total_price');
@@ -364,7 +364,7 @@ class PurchaseProductOfferLogic extends BaseLogic
             'update_time' => time(),
             'status' => 0,
         ];
-        $productCatePriceRate = StoreCategory::where('id', $product['top_cate_id'])->value('price_rate');
+        $productCatePriceRate = self::getProductCatePriceRate($product);
         if (!empty($productCatePriceRate)) {
             $storeProductGroupPrice = StoreProductGroupPrice::where('product_id', $product['id'])->select()->toArray();
             $storeProductGroupPrice = reset_index($storeProductGroupPrice, 'group_id');
@@ -400,7 +400,7 @@ class PurchaseProductOfferLogic extends BaseLogic
                     }
                     continue;
                 }
-                $baseRate = 100 + $v['rate'];
+                $baseRate = ($v['id'] == 100001 || $v['id'] == 21) ? 100 : 100 + $v['rate'];
                 if($purchase>0){
                     $item = [
                         'product_id' => $product['id'],
@@ -427,4 +427,18 @@ class PurchaseProductOfferLogic extends BaseLogic
             StoreProductPrice::create($data);
         }
     }
+
+    public static function getProductCatePriceRate($product)
+    {
+        $productCatePriceRate = StoreCategory::where('id', $product['cate_id'])->value('price_rate');
+        if (!empty($productCatePriceRate)) {
+            return $productCatePriceRate;
+        }
+        $productCatePriceRate = StoreCategory::where('id', $product['two_cate_id'])->value('price_rate');
+        if (!empty($productCatePriceRate)) {
+            return $productCatePriceRate;
+        }
+        return StoreCategory::where('id', $product['top_cate_id'])->value('price_rate');
+    }
+
 }