diff --git a/src/storage/lob/ob_lob_manager.cpp b/src/storage/lob/ob_lob_manager.cpp
index 37b7718542..3edec2cb82 100644
--- a/src/storage/lob/ob_lob_manager.cpp
+++ b/src/storage/lob/ob_lob_manager.cpp
@@ -1178,8 +1178,7 @@ int ObLobManager::init_out_row_ctx(
     if (nullptr != param.tx_desc_) {
       param.seq_no_st_ = param.tx_desc_->get_and_inc_tx_seq(param.parent_seq_no_.get_branch(), N);
     } else {
-      int tmp_seq = ObSequence::get_and_inc_max_seq_no(N);
-      param.seq_no_st_ = transaction::ObTxSEQ::mk_v0(tmp_seq);
+      // do nothing, for direct load has no tx desc, do not use seq no
     }
     param.used_seq_cnt_ = 0;
     param.total_seq_cnt_ = N;
diff --git a/src/storage/lob/ob_lob_meta.cpp b/src/storage/lob/ob_lob_meta.cpp
index 0a32629c3e..daba2eff3c 100644
--- a/src/storage/lob/ob_lob_meta.cpp
+++ b/src/storage/lob/ob_lob_meta.cpp
@@ -861,6 +861,8 @@ int ObLobMetaWriteIter::get_next_row(ObLobMetaWriteResult &row)
       ObLobCommon *lob_common = reinterpret_cast<ObLobCommon*>(lob_common_);
       ObLobData *lob_data = reinterpret_cast<ObLobData*>(lob_common->buffer_);
       lob_data->byte_size_ += row.info_.byte_len_;
+      // FIXME @haozheng direct load has no tx desc info, therefore do not need modified outrow ctx here
+      // maybe later we should need to update outrow ctx here for cdc
       // refresh char len
       char *ptr = reinterpret_cast<char*>(lob_common_);
       int64_t *len = reinterpret_cast<int64_t*>(ptr + ObLobManager::LOB_WITH_OUTROW_CTX_SIZE);