diff --git a/tests/system-test/6-cluster/5dnode3mnodeStop.py b/tests/system-test/6-cluster/5dnode3mnodeStop.py
index 213e080172..e1f66ceacb 100644
--- a/tests/system-test/6-cluster/5dnode3mnodeStop.py
+++ b/tests/system-test/6-cluster/5dnode3mnodeStop.py
@@ -278,7 +278,6 @@ class TDTestCase:
         self.check3mnode()
 
     def run(self): 
-        tdLog.debug("123")
         self.five_dnode_three_mnode(5)
  
     def stop(self):