diff --git a/src/gausskernel/storage/access/transam/xlog.cpp b/src/gausskernel/storage/access/transam/xlog.cpp
index 422428c34..d68ae1240 100644
--- a/src/gausskernel/storage/access/transam/xlog.cpp
+++ b/src/gausskernel/storage/access/transam/xlog.cpp
@@ -2477,9 +2477,20 @@ static bool XLogArchiveCheckDone(const char *xlog)
 
 static bool HasBeenArchivedOnHaMode(const char* xlog)
 {
+    /*
+     * Generally, the validity of the xlog transferred from the upper layer has been verified.
+     * Therefore, if the length of the xlog name transferred is greater than the standard length
+     * of the xlog name (24 characters), the transferred file is a .backup file.
+     * Therefore, if the xlog name contains more than 24 characters, return true.
+     */
+    if (strlen(xlog) > 24) {
+        return true;
+    }
+
     load_server_mode();
     int mode = t_thrd.xlog_cxt.server_mode;
     XLogRecPtr minium_lsn = PG_UINT64_MAX;
+
     for (int i = 0; mode == PRIMARY_MODE && i < g_instance.attr.attr_storage.max_wal_senders; i++) {
         /* use volatile pointer to prevent code rearrangement */
         volatile WalSnd* walsnd = &t_thrd.walsender_cxt.WalSndCtl->walsnds[i];
diff --git a/src/gausskernel/storage/replication/walsender.cpp b/src/gausskernel/storage/replication/walsender.cpp
index 8392f9010..f184ed514 100644
--- a/src/gausskernel/storage/replication/walsender.cpp
+++ b/src/gausskernel/storage/replication/walsender.cpp
@@ -3203,12 +3203,13 @@ static int WalSndLoop(WalSndSendDataCallback send_data)
             XLogRecPtr replayPtr;
             bool amSync = false;
             bool got_recptr = false;
+            int standby_nums = list_length(SyncRepGetSyncStandbys(&amSync));
             got_recptr = SyncRepGetSyncRecPtr(&receivePtr, &writePtr, &flushPtr, &replayPtr, &amSync, false);
             if (got_recptr) {
                 ArchiveXlogOnStandby(flushPtr);
-            } else if (t_thrd.syncrep_cxt.SyncRepConfig == NULL ||
-                        (t_thrd.walsender_cxt.WalSndCtl->most_available_sync &&
-                            list_length(SyncRepGetSyncStandbys(&amSync)) == 0)) {
+            } else if (t_thrd.syncrep_cxt.SyncRepConfig == NULL || 
+                        u_sess->attr.attr_storage.guc_synchronous_commit <= SYNCHRONOUS_COMMIT_LOCAL_FLUSH ||
+                        (t_thrd.walsender_cxt.WalSndCtl->most_available_sync && standby_nums == 0)) {
                 /*
                  * This step is used to deal with the situation that synchronous standbys are not set.
                  */