diff --git a/src/storage/meta/entry/base_entry.cpp b/src/storage/meta/entry/base_entry.cpp
index 746bc547de..0ecae7d7b1 100644
--- a/src/storage/meta/entry/base_entry.cpp
+++ b/src/storage/meta/entry/base_entry.cpp
@@ -20,18 +20,24 @@ import stl;
 import txn_manager;
 import txn_state;
 import txn;
+import infinity_exception;
+import third_party;
 
 namespace infinity {
 
 bool BaseEntry::CheckVisible(Txn *txn) const {
     TxnTimeStamp begin_ts = txn->BeginTS();
-    TxnManager *txn_mgr = txn->txn_mgr();
     TransactionID txn_id = txn_id_.load();
-    if (begin_ts < commit_ts_ || txn_id_ == txn->TxnID()) {
+    if (begin_ts >= commit_ts_ || txn_id == txn->TxnID()) {
         return true;
     }
+    TxnManager *txn_mgr = txn->txn_mgr();
     if (txn_mgr == nullptr) { // when replay
-        return false;
+        UnrecoverableError(fmt::format("Replay should not reach here. begin_ts: {}, commit_ts_: {} txn_id: {}, txn_id_: {}",
+                                       begin_ts,
+                                       commit_ts_,
+                                       txn->TxnID(),
+                                       txn_id));
     }
     return txn_mgr->CheckIfCommitting(txn_id, begin_ts);
 }
diff --git a/src/storage/meta/entry/segment_index_entry.cpp b/src/storage/meta/entry/segment_index_entry.cpp
index 9d5808322c..31d9aca30c 100644
--- a/src/storage/meta/entry/segment_index_entry.cpp
+++ b/src/storage/meta/entry/segment_index_entry.cpp
@@ -242,16 +242,18 @@ void SegmentIndexEntry::MemIndexInsert(SharedPtr<BlockEntry> block_entry,
             const IndexFullText *index_fulltext = static_cast<const IndexFullText *>(index_base.get());
             if (memory_indexer_.get() == nullptr) {
                 String base_name = fmt::format("ft_{:016x}", begin_row_id.ToUint64());
-                std::unique_lock<std::shared_mutex> lck(rw_locker_);
-                memory_indexer_ = MakeUnique<MemoryIndexer>(*table_index_entry_->index_dir(),
-                                                            base_name,
-                                                            begin_row_id,
-                                                            index_fulltext->flag_,
-                                                            index_fulltext->analyzer_,
-                                                            table_index_entry_->GetFulltextByteSlicePool(),
-                                                            table_index_entry_->GetFulltextBufferPool(),
-                                                            table_index_entry_->GetFulltextInvertingThreadPool(),
-                                                            table_index_entry_->GetFulltextCommitingThreadPool());
+                {
+                    std::unique_lock<std::shared_mutex> lck(rw_locker_);
+                    memory_indexer_ = MakeUnique<MemoryIndexer>(*table_index_entry_->index_dir(),
+                                                                base_name,
+                                                                begin_row_id,
+                                                                index_fulltext->flag_,
+                                                                index_fulltext->analyzer_,
+                                                                table_index_entry_->GetFulltextByteSlicePool(),
+                                                                table_index_entry_->GetFulltextBufferPool(),
+                                                                table_index_entry_->GetFulltextInvertingThreadPool(),
+                                                                table_index_entry_->GetFulltextCommitingThreadPool());
+                }
                 table_index_entry_->UpdateFulltextSegmentTs(commit_ts);
             } else {
                 RowID exp_begin_row_id = memory_indexer_->GetBaseRowId() + memory_indexer_->GetDocCount();