diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 40e278f54a60fbab7cefccf9dfc4fe2c562123e8..7a0966df57162f60ed58db2026b7d12a8dac4c73 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -44,7 +44,7 @@ int32_t tsRpcTimer = 300;
 int32_t tsRpcMaxTime = 600;  // seconds;
 int32_t tsRpcForceTcp = 1;   // disable this, means query, show command use udp protocol as default
 int32_t tsMaxShellConns = 50000;
-int32_t tsMaxConnections = 5000;
+int32_t tsMaxConnections = 50000;
 int32_t tsShellActivityTimer = 3;  // second
 float   tsNumOfThreadsPerCore = 1.0f;
 int32_t tsNumOfCommitThreads = 4;
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index bb6569deb0aeb7e2cfd61565be9ee4ae6f90d91d..a27f5326c92ceb2e1ff3a34eebaf3019989e9d0d 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -2,17 +2,17 @@
 #======================b1-start===============
 
 # ---- user
-./test.sh -f sim/user/basic1.sim 
+./test.sh -f tsim/user/basic1.sim 
 
 # ---- db
-./test.sh -f sim/db/basic1.sim
-./test.sh -f sim/db/basic6.sim
-./test.sh -f sim/db/error1.sim
+./test.sh -f tsim/db/basic1.sim
+./test.sh -f tsim/db/basic6.sim
+./test.sh -f tsim/db/error1.sim
 
 # ---- table
-./test.sh -f sim/table/basic1.sim 
+./test.sh -f tsim/table/basic1.sim 
 
 # ---- dnode
-./test.sh -f sim/dnode/basic1.sim
+./test.sh -f tsim/dnode/basic1.sim
 
 #======================b1-end===============
diff --git a/tests/script/sh/deploy.sh b/tests/script/sh/deploy.sh
index 3e8f87d66508da1170da43c1ae014373e2341eb6..ea1ad65a5bd1eb24c2db06264dcbaa8fa3fb2abc 100755
--- a/tests/script/sh/deploy.sh
+++ b/tests/script/sh/deploy.sh
@@ -113,6 +113,8 @@ elif [ $NODE -eq 7 ]; then
   NODE=7700  
 elif [ $NODE -eq 8 ]; then
   NODE=7800    
+elif [ $NODE -eq 9 ]; then
+  NODE=7900    
 fi
 
 HOSTNAME=localhost
diff --git a/tests/script/tmp/prepare.sim b/tests/script/tmp/prepare.sim
index 28675be808b84e4380c5c43e20666170607844e6..3b43656a41e70dcf4bf619764ef0ef41c7b99e06 100644
--- a/tests/script/tmp/prepare.sim
+++ b/tests/script/tmp/prepare.sim
@@ -5,7 +5,41 @@ system sh/deploy.sh -n dnode2 -i 2
 system sh/deploy.sh -n dnode3 -i 3
 system sh/deploy.sh -n dnode4 -i 4
 
-system sh/cfg.sh -n dnode1 -c walLevel -v 2
-system sh/cfg.sh -n dnode2 -c walLevel -v 2
-system sh/cfg.sh -n dnode3 -c walLevel -v 2
-system sh/cfg.sh -n dnode4 -c walLevel -v 2
+return
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/deploy.sh -n dnode3 -i 3
+system sh/deploy.sh -n dnode4 -i 4
+system sh/deploy.sh -n dnode5 -i 5
+system sh/deploy.sh -n dnode6 -i 6
+system sh/deploy.sh -n dnode7 -i 7
+system sh/deploy.sh -n dnode8 -i 8
+system sh/deploy.sh -n dnode9 -i 9
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start
+system sh/exec.sh -n dnode4 -s start
+system sh/exec.sh -n dnode5 -s start
+system sh/exec.sh -n dnode6 -s start
+system sh/exec.sh -n dnode7 -s start
+system sh/exec.sh -n dnode8 -s start
+system sh/exec.sh -n dnode9 -s start
+
+sleep 2000
+
+sql create dnode $hostname port 7200
+sql create dnode $hostname port 7300
+sql create dnode $hostname port 7400
+sql create dnode $hostname port 7500
+sql create dnode $hostname port 7600
+sql create dnode $hostname port 7700
+sql create dnode $hostname port 7800
+sql create dnode $hostname port 7900
+
+sql show dnodes;
+print $data00 $data01
+print $data10 $data11
+print $data20 $data21
+print $data30 $data31
+print $data40 $data41
\ No newline at end of file
diff --git a/tests/script/sim/db/basic1.sim b/tests/script/tsim/db/basic1.sim
similarity index 100%
rename from tests/script/sim/db/basic1.sim
rename to tests/script/tsim/db/basic1.sim
diff --git a/tests/script/sim/db/basic6.sim b/tests/script/tsim/db/basic6.sim
similarity index 100%
rename from tests/script/sim/db/basic6.sim
rename to tests/script/tsim/db/basic6.sim
diff --git a/tests/script/sim/db/error1.sim b/tests/script/tsim/db/error1.sim
similarity index 100%
rename from tests/script/sim/db/error1.sim
rename to tests/script/tsim/db/error1.sim
diff --git a/tests/script/sim/dnode/basic1.sim b/tests/script/tsim/dnode/basic1.sim
similarity index 100%
rename from tests/script/sim/dnode/basic1.sim
rename to tests/script/tsim/dnode/basic1.sim
diff --git a/tests/script/sim/table/basic1.sim b/tests/script/tsim/table/basic1.sim
similarity index 100%
rename from tests/script/sim/table/basic1.sim
rename to tests/script/tsim/table/basic1.sim
diff --git a/tests/script/sim/user/basic1.sim b/tests/script/tsim/user/basic1.sim
similarity index 100%
rename from tests/script/sim/user/basic1.sim
rename to tests/script/tsim/user/basic1.sim