diff --git a/business/jxstore/cms/store_sku.go b/business/jxstore/cms/store_sku.go
index 5cd426f30..a451c0018 100644
--- a/business/jxstore/cms/store_sku.go
+++ b/business/jxstore/cms/store_sku.go
@@ -4049,7 +4049,7 @@ func BackUpStoreSkuBind(ctx *jxcontext.Context, isAsync, isContinueWhenError boo
 		snapshotAt = utils.Time2Date(time.Now())
 	)
 	storeSkuBindHis := &model.StoreSkuBindHistory{
-		SnapshotAt: snapshotAt.AddDate(0, 0, -2),
+		SnapshotAt: snapshotAt.AddDate(0, 0, -5),
 	}
 	dao.DeleteEntity(db, storeSkuBindHis, "SnapshotAt")
 	storeList, err := dao.GetStoreList(db, nil, nil, nil, nil, "")