diff --git a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
index ba293b73d..14c7aa0bf 100644
--- a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
+++ b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
@@ -576,7 +576,8 @@ 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;
             }
 
@@ -586,7 +587,8 @@ 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;
             }