diff --git a/business/model/sku.go b/business/model/sku.go
index 0f95d741f..92fd817ee 100644
--- a/business/model/sku.go
+++ b/business/model/sku.go
@@ -206,7 +206,7 @@ type SkuName struct {
 func (*SkuName) TableUnique() [][]string {
 	return [][]string{
 		[]string{"Name", "Prefix", "SpecQuality", "SpecUnit", "Unit", "IsSpu", "DeletedAt"},
-		// []string{"Upc", "DeletedAt"},
+		[]string{"Upc", "DeletedAt"},
 	}
 }