diff --git a/src/storage/ddl/ob_delete_lob_meta_row_task.cpp b/src/storage/ddl/ob_delete_lob_meta_row_task.cpp
index b4b7e0559..096bc7b0b 100644
--- a/src/storage/ddl/ob_delete_lob_meta_row_task.cpp
+++ b/src/storage/ddl/ob_delete_lob_meta_row_task.cpp
@@ -412,12 +412,13 @@ int ObDeleteLobMetaRowTask::process()
     ObTableScanIterator *table_scan_iter = nullptr;
     storage::ObLobManager* lob_mngr = MTL(storage::ObLobManager*);
     ObIDag *tmp_dag = get_dag();
+    const uint64_t timeout_us = ObTimeUtility::current_time() + ObInsertLobColumnHelper::LOB_TX_TIMEOUT;
     if (OB_ISNULL(txs) || OB_ISNULL(tsc_service) || OB_ISNULL(lob_mngr)) {
       ret = OB_ERR_UNEXPECTED;
       LOG_WARN("should not be null", K(ret), KP(txs), KP(tsc_service), KP(lob_mngr));
-    } else if (OB_FAIL(ObInsertLobColumnHelper::start_trans(param_->ls_id_, true/*is_for_read*/, INT64_MAX, tx_desc))) {
+    } else if (OB_FAIL(ObInsertLobColumnHelper::start_trans(param_->ls_id_, true/*is_for_read*/, timeout_us, tx_desc))) {
       LOG_WARN("fail to get tx_desc", K(ret));
-    } else if (OB_FAIL(txs->get_ls_read_snapshot(*tx_desc, transaction::ObTxIsolationLevel::RC, param_->ls_id_, INT64_MAX, scan_param.snapshot_))) {
+    } else if (OB_FAIL(txs->get_ls_read_snapshot(*tx_desc, transaction::ObTxIsolationLevel::RC, param_->ls_id_, timeout_us, scan_param.snapshot_))) {
       LOG_WARN("fail to get snapshot", K(ret));
     } else if (OB_FAIL(init_scan_param(scan_param))) {
       LOG_WARN("fail to init scan_param", K(ret));
@@ -445,7 +446,7 @@ int ObDeleteLobMetaRowTask::process()
                                                                       param_->tablet_id_,
                                                                       collation_type_,
                                                                       datum_row->storage_datums_[0],
-                                                                      INT64_MAX,
+                                                                      timeout_us,
                                                                       true))) {
           LOG_WARN("failed to delete lob column", K(ret));
         }
diff --git a/src/storage/ddl/ob_direct_load_struct.cpp b/src/storage/ddl/ob_direct_load_struct.cpp
index 8afe27345..cdc89797b 100755
--- a/src/storage/ddl/ob_direct_load_struct.cpp
+++ b/src/storage/ddl/ob_direct_load_struct.cpp
@@ -2534,6 +2534,7 @@ int ObDirectLoadSliceWriter::fill_vector_index_data(
   ObTxDesc *tx_desc = nullptr;
   ObMacroBlockSliceStore *macro_block_slice_store = nullptr;
   ObVectorIndexSliceStore *vec_idx_slice_store = static_cast<ObVectorIndexSliceStore *>(slice_store_);
+  const uint64_t timeout_us = ObTimeUtility::current_time() + ObInsertLobColumnHelper::LOB_TX_TIMEOUT;
   if (OB_UNLIKELY(!is_inited_)) {
     ret = OB_NOT_INIT;
     LOG_WARN("not init", K(ret));
@@ -2543,7 +2544,7 @@ int ObDirectLoadSliceWriter::fill_vector_index_data(
   } else if (OB_ISNULL(vec_idx_slice_store)) {
     // do nothing
     LOG_INFO("[vec index debug] maybe no data for this tablet", K(tablet_direct_load_mgr_->get_tablet_id()));
-  } else if (OB_FAIL(ObInsertLobColumnHelper::start_trans(tablet_direct_load_mgr_->get_ls_id(), false/*is_for_read*/, INT64_MAX - ObInsertLobColumnHelper::LOB_ACCESS_TX_TIMEOUT, tx_desc))) {
+  } else if (OB_FAIL(ObInsertLobColumnHelper::start_trans(tablet_direct_load_mgr_->get_ls_id(), false/*is_for_read*/, timeout_us, tx_desc))) {
     LOG_WARN("fail to get tx_desc", K(ret));
   } else if (OB_FAIL(vec_idx_slice_store->serialize_vector_index(&allocator_, tx_desc, lob_inrow_threshold))) {
     LOG_WARN("fail to do vector index snapshot data serialize", K(ret));
diff --git a/src/storage/lob/ob_lob_util.h b/src/storage/lob/ob_lob_util.h
index e7460f6f0..b9b45ebd6 100644
--- a/src/storage/lob/ob_lob_util.h
+++ b/src/storage/lob/ob_lob_util.h
@@ -138,6 +138,7 @@ class ObLobMetaWriteIter;
 class ObInsertLobColumnHelper final
 {
 public:
+  static const uint64_t LOB_TX_TIMEOUT = 86400000000; // 1 day
   static const uint64_t LOB_ACCESS_TX_TIMEOUT = 60000000; // 60s
   static const uint64_t LOB_ALLOCATOR_RESET_CYCLE = 128;
 public: