diff --git a/bptree.go b/bptree.go
index f274e2a..2725412 100644
--- a/bptree.go
+++ b/bptree.go
@@ -128,6 +128,7 @@ func (bt *BPTree) PutBatch(positions []*KeyPosition, _ ...diskhash.MatchKeyFunc)
 					default:
 						uidBytes,_ := record.uid.MarshalBinary()
 						encPos := record.position.Encode()
+						//nolint:gocritic // Need to combine uidbytes with encPos and place them in bptree
 						valueBytes := append(uidBytes, encPos...)
 						if err := bucket.Put(record.key, valueBytes); err != nil {
 							if errors.Is(err, bbolt.ErrKeyRequired) {
diff --git a/db.go b/db.go
index 2a00e39..f119985 100644
--- a/db.go
+++ b/db.go
@@ -384,7 +384,7 @@ func (db *DB) waitMemtableSpace() error {
 // 4. Add deleted uuid, and delete the deleted keys from index.
 // 5. Delete the wal.
 //
-//nolint:gocognit
+//nolint:gocognit,funlen
 func (db *DB) flushMemtable(table *memtable) {
 	db.flushLock.Lock()
 	defer db.flushLock.Unlock()
@@ -549,24 +549,21 @@ func (db *DB) listenAutoCompact() {
 	for {
 		select {
 		case state, ok := <-db.compactChan:
+			var err error
+			err = nil
 			if ok {
 				if state.thresholdState == ThresholdState(ArriveUpperThreshold) {
 					// compact right now
 					log.Println("ArriveUpperThreshold")
-					err := db.CompactWithDeprecatedtable()
-					if err != nil {
-						panic(err)
-					}
+					err = db.CompactWithDeprecatedtable()
 				} else if state.thresholdState == ThresholdState(ArriveLowerThreshold) {
 					// determine whether to do compact based on the current IO state
-					// TODO: since the IO state module has not been implemented yet, we just compare it here
 					log.Println("ArriveLowerThreshold")
-					if true {
-						err := db.CompactWithDeprecatedtable()
-						if err != nil {
-							panic(err)
-						}
-					}
+					// TODO: since the IO state module has not been implemented yet, we just compare it here
+					err = db.CompactWithDeprecatedtable()
+				}
+				if err != nil {
+					panic(err)
 				}
 				for len(db.compactChan) > 0 {
 					// discard squeezed messages
@@ -584,7 +581,7 @@ func (db *DB) listenAutoCompact() {
 // Compact will iterate all values in vlog, and write the valid values to a new vlog file.
 // Then replace the old vlog file with the new one, and delete the old one.
 //
-//nolint:gocognit
+//nolint:gocognit,funlen
 func (db *DB) Compact() error {
 	db.flushLock.Lock()
 	defer db.flushLock.Unlock()
@@ -709,7 +706,7 @@ func (db *DB) Compact() error {
 // and write the valid values to a new vlog file.
 // Then replace the old vlog file with the new one, and delete the old one.
 //
-//nolint:gocognit
+//nolint:gocognit,funlen
 func (db *DB) CompactWithDeprecatedtable() error {
 	db.flushLock.Lock()
 	defer db.flushLock.Unlock()
diff --git a/db_test.go b/db_test.go
index 9b21a77..8b4c945 100644
--- a/db_test.go
+++ b/db_test.go
@@ -680,6 +680,7 @@ func getRecordFromVlog(db *DB, key []byte) (*ValueLogRecord, error) {
 	return record, nil
 }
 
+//nolint:gocognit
 func TestDBMultiClients(t *testing.T) {
 	type testLog struct {
 		key   []byte
diff --git a/options.go b/options.go
index f589406..339f7d7 100644
--- a/options.go
+++ b/options.go
@@ -138,8 +138,8 @@ var DefaultOptions = Options{
 	IndexType:        BTree,
 	//nolint:gomnd // default
 	CompactBatchCount: 10000,
-	deprecatedtableLowerThreshold: 204800, // 200K
-	deprecatedtableUpperThreshold: 409600, // 400K
+	deprecatedtableLowerThreshold: 2 * 100 * KB, // 200K
+	deprecatedtableUpperThreshold: 4 * 100 * KB, // 400K
 	autoCompact: true,
 	//nolint:gomnd // default
 	WaitMemSpaceTimeout: 100 * time.Millisecond,