diff --git a/app/admin/logic/store_product_price/StoreProductPriceLogic.php b/app/admin/logic/store_product_price/StoreProductPriceLogic.php
index 931eb57e4..d248bb2a3 100644
--- a/app/admin/logic/store_product_price/StoreProductPriceLogic.php
+++ b/app/admin/logic/store_product_price/StoreProductPriceLogic.php
@@ -70,13 +70,13 @@ class StoreProductPriceLogic extends BaseLogic
                     $params['price'] = bcmul($params['purchase'], $params['price_lv'], 2);
                 }
                 if ($find['cost_lv'] != $params['cost_lv']) {
-                    $params = self::updateProductPriceList2($find['product_id'], 'merchant_rate', $params['cost_lv'], $params, 'cost', $find['purchase']);
+                    $params = self::updateProductPriceList2($find['product_id'], 'merchant_rate', $params['cost_lv'], $params, 'cost', $params['purchase']);
                 }
                 if ($find['vip_lv'] != $params['vip_lv']) {
-                    $params = self::updateProductPriceList2($find['product_id'], 'vip_rate', $params['vip_lv'], $params, 'vip_price', $find['purchase']);
+                    $params = self::updateProductPriceList2($find['product_id'], 'vip_rate', $params['vip_lv'], $params, 'vip_price', $params['purchase']);
                 }
                 if ($find['price_lv'] != $params['price_lv']) {
-                    $params = self::updateProductPriceList2($find['product_id'], 'price_rate', $params['price_lv'], $params, 'price', $find['purchase']);
+                    $params = self::updateProductPriceList2($find['product_id'], 'price_rate', $params['price_lv'], $params, 'price', $params['purchase']);
                 }
                 $find->save([
                     'status' => 1,