diff --git a/tests/script/tsim/valgrind/checkError6.sim b/tests/script/tsim/valgrind/checkError6.sim
index d85a1bebc8..11a387ed4d 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