UpdateActPrice4StoreSkuNameNew中bug修复

business/model/dao/store_sku.go

@@ -1433,7 +1433,7 @@ func UpdateActPrice4StoreSkuNameNew(db *DaoDB, storeIDs, skuIDs []int, skuNamesI
 					v.EarningActID = actStoreSku.ActID
 				} else {
 					earningPrice := int(jxutils.CaculateSkuEarningPrice(int64(v.BindPrice), int64(v.BindPrice), skuName.PayPercentage))
-					if earningPrice < v.EarningPrice {
+					if v.EarningPrice == 0 || earningPrice < v.EarningPrice {
 						v.EarningPrice = earningPrice
 					}
 				}