diff --git a/Jenkinsfile b/Jenkinsfile
index 74cef8f954de4000ce31b50572749cd370ff2861..0f07aeb659a032368c9c1eae4696b4b2da6e2122 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -211,7 +211,7 @@ pipeline {
                     </table></font>
                 </body>
                 </html>''',
-                to: "${CHANGE_AUTHOR_EMAIL}",
+                to: "${env.CHANGE_AUTHOR_EMAIL}",
                 from: "support@taosdata.com"
             )
         }
@@ -249,7 +249,7 @@ pipeline {
                     </table></font>
                 </body>
                 </html>''',
-                to: "${CHANGE_AUTHOR_EMAIL}",
+                to: "${env.CHANGE_AUTHOR_EMAIL}",
                 from: "support@taosdata.com"
             )
         }
diff --git a/tests/pytest/tt.py b/tests/pytest/tt.py
new file mode 100644
index 0000000000000000000000000000000000000000..70bc70f581c5bd7e881a0e725105e64705b58fe8
--- /dev/null
+++ b/tests/pytest/tt.py
@@ -0,0 +1,27 @@
+import taos
+import datetime
+import random
+# host= '127.0.0.1'
+# user = 'root'
+# password = 'taosdata'
+# conn = taos.connect(
+#             host,
+#             user,
+#             password,
+#             )
+# cl = conn.cursor()
+# cl.execute("select first(_c0),last(_c0) from test.st0 " )
+# dd1=datetime.datetime.now()+ datetime.timedelta(days=5)
+# sql = 'select count(*) from test.st0 where ts <= ' + "'" + str(dd1) + "'"
+# print(sql)
+# cl.execute(sql)
+# for data in cl:
+#     print(data[0])
+# # print(cl[0],cl[1])
+# # d1 = data[0]
+# # d2 = data[1]
+
+# # print(d1+(d2-d1)/2)
+# print(random.randrange(-100,100))
+# random.randrange(-100,100)
+print(random.getrandbits(1))
\ No newline at end of file
diff --git a/tests/script/general/connection/test_old_data.sim b/tests/script/general/connection/test_old_data.sim
index 83df850f0bb93fd216520bbea4065400aa334091..c7cb1eeb77f5f465a604734d305e94afd79799d5 100644
--- a/tests/script/general/connection/test_old_data.sim
+++ b/tests/script/general/connection/test_old_data.sim
@@ -27,6 +27,6 @@ if $rows != 7 then
 endi
 
 
-system sh/exec.sh -n dnode1 -s stop  -x SIGINT
-system sh/exec.sh -n dnode2 -s stop  -x SIGINT
-system sh/exec.sh -n dnode3 -s stop  -x SIGINT
\ No newline at end of file
+# system sh/exec.sh -n dnode1 -s stop  -x SIGINT
+# system sh/exec.sh -n dnode2 -s stop  -x SIGINT
+# system sh/exec.sh -n dnode3 -s stop  -x SIGINT
\ No newline at end of file