diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index d1c5e8397554ffa97ff45d4435f894da894405b8..b95e822df3e959db53f7f0d09bd2b7b4ae2796b9 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -39,6 +39,7 @@
 ./test.sh -f tsim/query/explain.sim
 ./test.sh -f tsim/query/session.sim
 ./test.sh -f tsim/query/scalarNull.sim
+./test.sh -f tsim/query/udf.sim
 
 # ---- qnode
 ./test.sh -f tsim/qnode/basic1.sim
diff --git a/tests/script/sh/copy_udf.sh b/tests/script/sh/copy_udf.sh
index e4bc9adf8298629846e8a901bcda08a2e8b19ca7..e1d9ff53d27462fcb05fa6902301faa4f625d44a 100755
--- a/tests/script/sh/copy_udf.sh
+++ b/tests/script/sh/copy_udf.sh
@@ -3,7 +3,7 @@
 set +e
 #set -x
 
-echo "Executing gen_udf.sh"
+echo "Executing copy_udf.sh"
 
 SCRIPT_DIR=`dirname $0`
 cd $SCRIPT_DIR/../
diff --git a/tests/script/tsim/query/udf.sim b/tests/script/tsim/query/udf.sim
index a2684153df58fad37b211bde54513ceb58e18f6c..8acd07cfe4a72d76aa5bd1e2b89d8d37f104c054 100644
--- a/tests/script/tsim/query/udf.sim
+++ b/tests/script/tsim/query/udf.sim
@@ -21,6 +21,9 @@ sql insert into t values(now, 1)(now+1s, 2);
 sql create function udf1 as '/tmp/udf/libudf1.so' outputtype int bufSize 8;
 sql create aggregate function udf2 as '/tmp/udf/libudf2.so' outputtype double bufSize 8;
 sql show functions;
+if $rows != 2 then
+  return -1
+endi
 sql select udf1(f) from t;
 if $rows != 2 then
   return -1