diff --git a/tests/system-test/0-others/compatibility.py b/tests/system-test/0-others/compatibility.py
index 4fa75b75f185b97111e5a5fbaf0de1f98ce9e3f8..7539ddcbeab12b612c6c14044e2600fd55c89234 100644
--- a/tests/system-test/0-others/compatibility.py
+++ b/tests/system-test/0-others/compatibility.py
@@ -81,6 +81,7 @@ class TDTestCase:
         dbname = "test"
         stb = f"{dbname}.meters"
         self.installTaosd(bPath,cPath)
+        os.system("echo 'debugFlag 143' > /etc/taos/taos.cfg ")
         tableNumbers=100
         recordNumbers1=100
         recordNumbers2=1000