diff --git a/tests/script/tsim/valgrind/checkError6.sim b/tests/script/tsim/valgrind/checkError6.sim
index d85a1bebc898ca79a20e4c495081077a2b1a4249..11a387ed4dffd7258120154adb9d7874ee0b21b5 100644
--- a/tests/script/tsim/valgrind/checkError6.sim
+++ b/tests/script/tsim/valgrind/checkError6.sim
@@ -158,6 +158,8 @@ print =============== restart
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
 system sh/exec.sh -n dnode1 -s start -v
 
+sleep 1000
+
 sql select avg(tbcol) as c from stb
 sql select avg(tbcol) as c from stb where ts <= 1601481840000
 sql select avg(tbcol) as c from stb where tgcol < 5 and ts <= 1601481840000