diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 582bd0abae331ac73e43fdca33e02f764a4d6c59..ec3865f4f2fbd28f84b671b12d181a154f08424b 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -351,7 +351,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w taosd| grep -v grep | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(
@@ -360,7 +360,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w valgrind.bin| grep -v grep | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(
@@ -467,7 +467,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w taosd| grep -v grep | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(
@@ -476,7 +476,7 @@ class TDDnodes:
         psCmd = "ps -ef|grep -w valgrind.bin| grep -v grep | awk '{print $2}'"
         processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
         while(processID):
-            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
             os.system(killCmd)
             time.sleep(1)
             processID = subprocess.check_output(