diff --git a/internal/app/api/router.go b/internal/app/api/router.go
index 800aeaa..98f03b5 100644
--- a/internal/app/api/router.go
+++ b/internal/app/api/router.go
@@ -226,6 +226,7 @@ func (a *API) setupRoutes() {
 			// 原料 (RawMaterial) 路由
 			feedGroup.POST("/raw-materials", a.feedController.CreateRawMaterial)
 			feedGroup.PUT("/raw-materials/:id", a.feedController.UpdateRawMaterial)
+			feedGroup.PUT("/raw-materials/:id/nutrients", a.feedController.UpdateRawMaterialNutrients)
 			feedGroup.DELETE("/raw-materials/:id", a.feedController.DeleteRawMaterial)
 			feedGroup.GET("/raw-materials/:id", a.feedController.GetRawMaterial)
 			feedGroup.GET("/raw-materials", a.feedController.ListRawMaterials)
diff --git a/internal/app/service/feed_management_service.go b/internal/app/service/feed_management_service.go
index ba2eb62..3fdb4b2 100644
--- a/internal/app/service/feed_management_service.go
+++ b/internal/app/service/feed_management_service.go
@@ -245,8 +245,9 @@ func (s *feedManagementServiceImpl) UpdateRawMaterialNutrients(ctx context.Conte
 	nutrients := make([]models.RawMaterialNutrient, len(req.Nutrients))
 	for i, item := range req.Nutrients {
 		nutrients[i] = models.RawMaterialNutrient{
-			NutrientID: item.NutrientID,
-			Value:      item.Value,
+			RawMaterialID: id,
+			NutrientID:    item.NutrientID,
+			Value:         item.Value,
 		}
 	}