diff --git a/src/manager/om/script/gspylib/component/Kernel/DN_OLAP/DN_OLAP.py b/src/manager/om/script/gspylib/component/Kernel/DN_OLAP/DN_OLAP.py
index 7acd7358a..29f120378 100644
--- a/src/manager/om/script/gspylib/component/Kernel/DN_OLAP/DN_OLAP.py
+++ b/src/manager/om/script/gspylib/component/Kernel/DN_OLAP/DN_OLAP.py
@@ -382,12 +382,12 @@ class DN_OLAP(Kernel):
             self.setPrimaryStandyConnInfo(peerInsts)
         else:
             tmpDict1 = {}
-            tmpDict1["synchronous_commit"] = "on"
+            tmpDict1["synchronous_commit"] = "off"
             self.setGucConfig(tmpDict1)
 
         if syncNum == 0 or (syncNum == -1 and len(peerInsts) == 1):
             tmpDict1 = {}
-            tmpDict1["synchronous_commit"] = "on"
+            tmpDict1["synchronous_commit"] = "off"
             self.setGucConfig(tmpDict1)