diff --git a/src/gausskernel/storage/access/ustore/knl_uheap.cpp b/src/gausskernel/storage/access/ustore/knl_uheap.cpp
index 666aac7b1..8b3b787b2 100644
--- a/src/gausskernel/storage/access/ustore/knl_uheap.cpp
+++ b/src/gausskernel/storage/access/ustore/knl_uheap.cpp
@@ -1458,7 +1458,7 @@ static bool UHeapWait(Relation relation, Buffer buffer, UHeapTuple utuple, LockT
                 }
             } else {
                 if (InvalidSubTransactionId != subXid) {
-                    SubXactLockTableWait(topXid, subXid, waitSec);
+                    SubXactLockTableWait(topXid, subXid, true, waitSec);
                     isSubXact = true;
                 } else {
                     XactLockTableWait(topXid, true, waitSec);
diff --git a/src/gausskernel/storage/lmgr/lmgr.cpp b/src/gausskernel/storage/lmgr/lmgr.cpp
index 809db8618..3154d85bf 100755
--- a/src/gausskernel/storage/lmgr/lmgr.cpp
+++ b/src/gausskernel/storage/lmgr/lmgr.cpp
@@ -738,7 +738,7 @@ SubXactLockTableDelete(SubTransactionId subxid)
  * still in progress.
  */
 void
-SubXactLockTableWait(TransactionId xid, SubTransactionId subxid, int waitSec)
+SubXactLockTableWait(TransactionId xid, SubTransactionId subxid, bool allow_con_update, int waitSec)
 {
     LOCKTAG         tag;
     Assert(TransactionIdIsValid(xid));
@@ -747,7 +747,7 @@ SubXactLockTableWait(TransactionId xid, SubTransactionId subxid, int waitSec)
 
     SET_LOCKTAG_SUBTRANSACTION(tag, xid, subxid);
 
-    (void) LockAcquire(&tag, ShareLock, false, false, waitSec);
+    (void) LockAcquire(&tag, ShareLock, false, false, allow_con_update, waitSec);
 
     LockRelease(&tag, ShareLock, false);
 }
diff --git a/src/include/storage/lmgr.h b/src/include/storage/lmgr.h
index 288e3a6d7..8f1c8e236 100644
--- a/src/include/storage/lmgr.h
+++ b/src/include/storage/lmgr.h
@@ -70,7 +70,7 @@ extern bool ConditionalXactLockTableWait(TransactionId xid, bool waitparent = tr
 
 /* Lock a SubXID */
 extern void SubXactLockTableInsert(SubTransactionId subxid);
-extern void SubXactLockTableWait(TransactionId xid, SubTransactionId subxid, int waitSec = 0);
+extern void SubXactLockTableWait(TransactionId xid, SubTransactionId subxid, bool allow_con_update = false, int waitSec = 0);
 extern bool ConditionalSubXactLockTableWait(TransactionId xid, SubTransactionId subxid);
 
 /* Lock a general object (other than a relation) of the current database */