diff --git a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
index 882c461a6c5c5386c05b6d8f751d6ac7ad14301e..4b75fbd52977b9bdc4865b7b0639b4b18f24c1a9 100644
--- a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
+++ b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
@@ -557,7 +557,8 @@ static int tryEnterLocalPage(BufferTag *tag, dms_lock_mode_t mode, dms_buf_ctrl_
                     tag->rnode.spcNode, tag->rnode.dbNode, tag->rnode.relNode, tag->rnode.bucketNode,
                     tag->forkNum, tag->blockNum, buf_desc->state)));
                 DmsReleaseBuffer(buf_desc->buf_id + 1, is_seg);
-                ret = DMS_ERROR;
+                *buf_ctrl = NULL;
+                ret = DMS_SUCCESS;
                 break;
             }
 
@@ -567,7 +568,8 @@ static int tryEnterLocalPage(BufferTag *tag, dms_lock_mode_t mode, dms_buf_ctrl_
                     tag->rnode.spcNode, tag->rnode.dbNode, tag->rnode.relNode, tag->rnode.bucketNode,
                     tag->forkNum, tag->blockNum, buf_desc->state)));
                 DmsReleaseBuffer(buf_desc->buf_id + 1, is_seg);
-                ret = DMS_ERROR;
+                *buf_ctrl = NULL;
+                ret = DMS_SUCCESS;
                 break;
             }