diff --git a/tests/perftest-scripts/perftest-daily.sh b/tests/perftest-scripts/perftest-daily.sh
index 9d51438f6311e7f332e4da5bf6e94f152de45b94..db9de11381062a8593ccf585a853f91dedbdd97d 100755
--- a/tests/perftest-scripts/perftest-daily.sh
+++ b/tests/perftest-scripts/perftest-daily.sh
@@ -44,7 +44,7 @@ function buildTDengine {
 		echo "repo need to pull"
 		git pull
 
-		LOCAL_COMMIT=`git rev-parse @`
+		LOCAL_COMMIT=`git rev-parse --short @`
 		cd debug
 		rm -rf *
 		cmake ..