diff --git a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
index f88d6f97f6c8b688127eed21cecdcab78fa729be..5f9bf34daafe9fae58b6fca52292de2332659a4c 100644
--- a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
+++ b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
@@ -1811,7 +1811,7 @@ static void ReformCleanBackends()
             SSCountAndPrintChildren(BACKEND_TYPE_NORMAL | BACKEND_TYPE_AUTOVAC);
             SSProcessForceExit();
         }
-
+        
         pg_usleep(REFORM_WAIT_TIME);
         wait_time += REFORM_WAIT_TIME;
     }
@@ -1850,7 +1850,8 @@ static void FailoverCleanBackends()
             ereport(WARNING, (errmodule(MOD_DMS), errmsg("[SS reform][SS failover] failover failed, backends can not exit")));
             /* check and print some thread which no exit. */
             SSCountAndPrintChildren(BACKEND_TYPE_NORMAL | BACKEND_TYPE_AUTOVAC);
-            _exit(0);
+            // _exit(0);
+            ereport(WARNING, (errmodule(MOD_DMS), errmsg("[SS reform][SS failover] failover zcz continue")));
         }
 
         if (dms_reform_failed()) {
diff --git a/src/gausskernel/storage/access/heap/heapam.cpp b/src/gausskernel/storage/access/heap/heapam.cpp
index 2e957e7f631d95c366ca46d8bfb577f027d0330a..02d8e1692f1c907777b7babf492f6a6c9fb0d6e2 100755
--- a/src/gausskernel/storage/access/heap/heapam.cpp
+++ b/src/gausskernel/storage/access/heap/heapam.cpp
@@ -8847,9 +8847,7 @@ static void heap_xlog_clean(XLogReaderState* record)
             repairFragmentation);
         MarkBufferDirty(buffer.buf);
     }
-    if (BufferIsValid(buffer.buf)) {
-        UnlockReleaseBuffer(buffer.buf);
-    }
+    UnlockReleaseBuffer(buffer.buf);
 
     /*
      * Update the FSM as well.
diff --git a/src/gausskernel/storage/access/transam/xlogutils.cpp b/src/gausskernel/storage/access/transam/xlogutils.cpp
index aac7634ebf89c48667a2760b3e413c951a5b8ff0..5ee1761ba4b018d3fb8bd12df5c0d81323c30dbb 100644
--- a/src/gausskernel/storage/access/transam/xlogutils.cpp
+++ b/src/gausskernel/storage/access/transam/xlogutils.cpp
@@ -681,8 +681,6 @@ XLogRedoAction XLogReadBufferForRedoBlockExtend(RedoBufferTag *redoblock, ReadBu
                 if (mode != RBM_ZERO_AND_LOCK && mode != RBM_ZERO_AND_CLEANUP_LOCK) {
                     if (ENABLE_DMS && !SS_IN_ONDEMAND_RECOVERY)
                         LockBuffer(buf, BUFFER_LOCK_SHARE);
-                    else if (get_cleanup_lock)
-                        LockBufferForCleanup(buf);
                     else
                         LockBuffer(buf, BUFFER_LOCK_EXCLUSIVE);
                 }