diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 377cdbd7e6..9d4d14dcd0 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -84,6 +84,7 @@ class TDTestCase:
 		stb = f"{dbname}.meters"
 		self.installTaosd(bPath,cPath)
 		os.system("echo 'debugFlag 143' > /etc/taos/taos.cfg ")
+		os.system("echo ' supportVnodes 256' > /etc/taos/taos.cfg ")
 		tableNumbers=100
 		recordNumbers1=100
 		recordNumbers2=1000