diff --git a/tests/script/tmp/prepare.sim b/tests/script/tmp/prepare.sim
index f59eebede02311351978ce419ae8c4afa3e62308..ab2ad01c32f752ae1e1e0dd3afab3c7a221160df 100644
--- a/tests/script/tmp/prepare.sim
+++ b/tests/script/tmp/prepare.sim
@@ -32,10 +32,16 @@ system sh/cfg.sh -n dnode2 -c http -v 1
 system sh/cfg.sh -n dnode3 -c http -v 1
 system sh/cfg.sh -n dnode4 -c http -v 1
 
-
+# for crash_gen
+system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 2
+system sh/cfg.sh -n dnode1 -c rpcMaxTime -v 101
+system sh/cfg.sh -n dnode1 -c cache -v 2
+system sh/cfg.sh -n dnode1 -c keep -v 36500
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 
 
+# for windows
+
 system sh/cfg.sh -n dnode1 -c firstEp      -v 152.136.17.116:6030
 system sh/cfg.sh -n dnode1 -c secondEp     -v 152.136.17.116:6030
 system sh/cfg.sh -n dnode1 -c serverPort   -v 6030