diff --git a/tests/system-test/fulltest.sh b/tests/system-test/fulltest.sh
index 884d18f7cd..4149c2cd9d 100755
--- a/tests/system-test/fulltest.sh
+++ b/tests/system-test/fulltest.sh
@@ -11,12 +11,17 @@ python3 ./test.py -f 0-others/taosShellNetChk.py
 python3 ./test.py -f 2-query/distinct.py
 python3 ./test.py -f 2-query/varchar.py
 
-#python3 ./test.py -f 2-query/timezone.py
+python3 ./test.py -f 2-query/timezone.py
 python3 ./test.py -f 2-query/Now.py
 python3 ./test.py -f 2-query/Today.py
 python3 ./test.py -f 2-query/max.py
 python3 ./test.py -f 2-query/min.py
 python3 ./test.py -f 2-query/count.py
+python3 ./test.py -f 2-query/last.py
+#python3 ./test.py -f 2-query/To_iso8601.py
+python3 ./test.py -f 2-query/To_unixtimestamp.py
+python3 ./test.py -f 2-query/timetruncate.py
+
 # python3 ./test.py -f 2-query/Timediff.py
 #python3 ./test.py -f 2-query/cast.py