diff --git a/distros/buildx.sh b/distros/buildx.sh
index 70964448..81c68ad8 100644
--- a/distros/buildx.sh
+++ b/distros/buildx.sh
@@ -76,4 +76,4 @@ alpine|ubuntu|opensuse)
     doBuildx "$type-$dist" src/oth/Dockerfile.*-$dist #core only
     ;;          
 esac
-print_time_cost "$type-$dist" $begin_time |tee -a /tmp/.timecost
+print_time_cost "$type-$dist" $begin_time >> /tmp/.timecost #tee -a