diff --git a/src/gausskernel/process/postmaster/bgwriter.cpp b/src/gausskernel/process/postmaster/bgwriter.cpp
index 76854a57f..d1af8b3a5 100755
--- a/src/gausskernel/process/postmaster/bgwriter.cpp
+++ b/src/gausskernel/process/postmaster/bgwriter.cpp
@@ -350,7 +350,8 @@ void BackgroundWriterMain(void)
          * time. E.g. Checkpointer, when active, is barely ever in its
          * mainloop and thus makes it hard to log regularly.
          */
-        if (XLogStandbyInfoActive() && !RecoveryInProgress()) {
+        if (XLogStandbyInfoActive() && !RecoveryInProgress() &&
+            (!SS_DISASTER_CLUSTER || SS_DISASTER_CLUSTER && SS_PRIMARY_MODE)) {
             TimestampTz timeout = 0;
             TimestampTz now = GetCurrentTimestamp();
             timeout = TimestampTzPlusMilliseconds(last_snapshot_ts, LOG_SNAPSHOT_INTERVAL_MS);
diff --git a/src/gausskernel/storage/access/transam/xloginsert.cpp b/src/gausskernel/storage/access/transam/xloginsert.cpp
index e3d6309da..20a1e645c 100755
--- a/src/gausskernel/storage/access/transam/xloginsert.cpp
+++ b/src/gausskernel/storage/access/transam/xloginsert.cpp
@@ -87,6 +87,11 @@ void XLogBeginInsert(void)
     Assert(t_thrd.xlog_cxt.mainrdata_len == 0);
     Assert(!(SS_CLUSTER_ONDEMAND_RECOVERY && SS_STANDBY_MODE));
 
+    if (SS_STANDBY_MODE) {
+        ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), errmsg("instance is in standby mode"),
+                        errhint("standby node cannot make new WAL entries in shared storage mode.")));
+    }
+
     /* cross-check on whether we should be here or not */
     if (!XLogInsertAllowed())
         ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), errmsg("recovery is in progress"),