diff --git a/go.mod b/go.mod
index aa09029..ad6e5d6 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.23.0
 toolchain go1.24.1
 
 require (
-	gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125059-285bb98158a8
+	gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125718-37b1ee0b6a4b
 	github.com/gofiber/fiber/v3 v3.0.0-beta.4
 	github.com/golang/glog v1.2.2
 	github.com/redis/go-redis/v9 v9.6.1
diff --git a/go.sum b/go.sum
index c3a2832..3e16360 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125059-285bb98158a8 h1:c6T9T3VOkJEWzXr2VyvOr/QpuTS3BH0S0k0wqfNBUgc=
-gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125059-285bb98158a8/go.mod h1:cfkwyDHbOjucM8xLLg8yIkZKz33kdVqvBZYrfNjM8oc=
+gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125718-37b1ee0b6a4b h1:JPa3QxIOsgiKgT66ujH4EiAoIAHxp++Gacf/NpV1xds=
+gitea.timerzz.com/kedaya_haitao/common v0.0.0-20250329125718-37b1ee0b6a4b/go.mod h1:cfkwyDHbOjucM8xLLg8yIkZKz33kdVqvBZYrfNjM8oc=
 github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
 github.com/andybalholm/brotli v1.1.1/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
diff --git a/rate/rate.go b/rate/rate.go
index 18108c1..7c9c07b 100644
--- a/rate/rate.go
+++ b/rate/rate.go
@@ -62,43 +62,12 @@ func (c *Controller) rate(ctx context.Context, idString string) error {
 	if err != nil {
 		return fmt.Errorf("获取商品 id: %d， 失败：%v", id, err)
 	}
-	// 拿到最低成本价和最低售价
-	var cost, sell float64
-	//检查能不能购买，只要有一个供应商能买，就认为能购买
-	var available bool
-
-	for _, provider := range article.Providers {
-		final := provider.Cost.FinalPrice
-		if final > 0 && (final < cost || cost == 0) && !provider.Exclude {
-			if available && !provider.Available {
-				// 上个最低价供应商能买，这个供应商不能买，那么即使现在的供应商价格更低，也不使用
-				continue
-			}
-			cost = final
-		}
-		available = available || provider.Available
-	}
-
-	for _, seller := range article.Sellers {
-		final := seller.Sell.FinalPrice
-		if final > 0 && (final < sell || sell == 0) && !seller.Exclude {
-			sell = final
-		}
-	}
-	// 成本和售价没有改动，不保存，直接返回
-	if cost == article.CostPrice && sell == article.SellPrice {
+	after, changed := utils.ProfitRate(&article)
+	if !changed {
 		return nil
 	}
-	// 到这里说明成本和售价有变动
-	article.CostPrice = Decimal(cost)
-	article.SellPrice = Decimal(sell)
-	article.Available = available
-	if cost > 0 {
-		article.Rate = Decimal((article.SellPrice - article.CostPrice) * 100 / article.CostPrice)
-	}
-	article.GrossProfit = Decimal(article.SellPrice - article.CostPrice)
 	// 保存更新
-	return c.storage.Article().Update(article, "cost_price", "sell_price", "available", "updated_at", "rate")
+	return c.storage.Article().Update(*after, "cost_price", "sell_price", "available", "updated_at", "rate", "GrossProfit")
 }
 
 func Decimal(num float64) float64 {