diff --git a/src/gausskernel/storage/access/redo/redo_hash.cpp b/src/gausskernel/storage/access/redo/redo_hash.cpp
index 124f4877b..5a2156dda 100644
--- a/src/gausskernel/storage/access/redo/redo_hash.cpp
+++ b/src/gausskernel/storage/access/redo/redo_hash.cpp
@@ -1027,7 +1027,7 @@ static void HashXlogAddOvflPageBlock(XLogBlockHead *blockhead, XLogBlockDataPars
 {
     XLogBlockDataParse *datadecode = blockdatarec;
     if (XLogBlockDataGetBlockId(datadecode) == XLOG_HASH_ADD_OVFL_PAGE_OVFL_NUM) {
-        Size blkdatalen;
+        Size blkdatalen = 0;
         char *blkdata = NULL;
         BlockNumber leftblk;
         blkdata = XLogBlockDataGetBlockData(datadecode, &blkdatalen);
diff --git a/src/gausskernel/storage/access/redo/redo_xlogutils.cpp b/src/gausskernel/storage/access/redo/redo_xlogutils.cpp
index af3de3b2c..249b47a81 100644
--- a/src/gausskernel/storage/access/redo/redo_xlogutils.cpp
+++ b/src/gausskernel/storage/access/redo/redo_xlogutils.cpp
@@ -1274,6 +1274,7 @@ void XLogBlockDataCommonRedo(XLogBlockHead *blockhead, void *blockrecbody, RedoB
             break;
         case RM_UBTREE2_ID:
             UBTree2RedoDataBlock(blockhead, blockdatarec, bufferinfo);
+            break;
         case RM_HASH_ID:
             HashRedoDataBlock(blockhead, blockdatarec, bufferinfo);
             break;