diff --git a/src/storage/ob_partition_base_data_backup.cpp b/src/storage/ob_partition_base_data_backup.cpp
index 43707813b4c9c2dbc756e029cf93fb3c0ac0ed60..6c77d65bdbed493f6b54f8c66cc5d3a5eaf531fa 100644
--- a/src/storage/ob_partition_base_data_backup.cpp
+++ b/src/storage/ob_partition_base_data_backup.cpp
@@ -3394,7 +3394,7 @@ int ObBackupCopyPhysicalTask::fetch_backup_macro_block_arg(const share::ObPhysic
       macro_arg.fetch_arg_.macro_block_index_ = macro_idx;
       macro_arg.fetch_arg_.data_version_ = full_meta.meta_->data_version_;
       macro_arg.fetch_arg_.data_seq_ = full_meta.meta_->data_seq_;
-      if (!table_key.is_major_sstable()) {
+      if (!table_key.is_major_sstable() || table_key.is_trans_sstable()) {
         macro_arg.need_copy_ = true;
       } else {
         switch (backup_arg.backup_type_) {
@@ -3743,7 +3743,7 @@ int ObBackupCopyPhysicalTask::reuse_block_index(
         } else if (OB_UNLIKELY(cur_index.data_length_ > 0)) {
           ret = OB_INIT_TWICE;
           STORAGE_LOG(WARN, "macro index is already init before reuse.", K(ret), K(i), K(cur_index));
-        } else if (!cur_index.table_key_ptr_->is_major_sstable()) {
+        } else if (!cur_index.table_key_ptr_->is_major_sstable() || cur_index.table_key_ptr_->is_trans_sstable()) {
           ret = OB_ERR_UNEXPECTED;
           STORAGE_LOG(WARN, "sstable is not major sstable, can not reuse block index", K(ret), K(cur_index));
         } else if (OB_FAIL(backup_pg_ctx_->fetch_prev_macro_index(*macro_index, macro_arg, prev_index))) {