diff --git a/tests/system-test/test.py b/tests/system-test/test.py
index 4414265811..7d78f5ab21 100644
--- a/tests/system-test/test.py
+++ b/tests/system-test/test.py
@@ -59,7 +59,7 @@ if __name__ == "__main__":
     logSql = True
     stop = 0
     restart = False
-    dnodeNums = 5
+    dnodeNums = 1
     mnodeNums = 0
     updateCfgDict = {}
     execCmd = ""