diff --git a/input/kafka_franz.go b/input/kafka_franz.go
index 378e98e1..87d4c4a7 100644
--- a/input/kafka_franz.go
+++ b/input/kafka_franz.go
@@ -173,6 +173,7 @@ func GetFranzConfig(kfkCfg *config.KafkaConfig) (opts []kgo.Opt, err error) {
 func (k *KafkaFranz) Run() {
 	k.wgRun.Add(1)
 	defer k.wgRun.Done()
+LOOP:
 	for {
 		fetches := k.cl.PollRecords(k.ctx, k.grpConfig.BufferSize)
 		err := fetches.Err()
@@ -191,6 +192,9 @@ func (k *KafkaFranz) Run() {
 		select {
 		case k.fetch <- &fetches:
 			t.Stop()
+		case <-k.ctx.Done():
+			t.Stop()
+			break LOOP
 		case <-t.C:
 			util.Logger.Fatal(fmt.Sprintf("Sinker abort because group %s was not processing in last %d minutes", k.grpConfig.Name, processTimeOut))
 		}
diff --git a/output/clickhouse.go b/output/clickhouse.go
index aa05aaed..013cb743 100644
--- a/output/clickhouse.go
+++ b/output/clickhouse.go
@@ -239,10 +239,8 @@ func (c *ClickHouse) loopWrite(batch *model.Batch, sc *pool.ShardConn) {
 		retry.RetryIf(func(err error) bool { return shouldReconnect(err, sc) }),
 		retry.OnRetry(func(n uint, err error) {
 			retrycount++
-			if !errors.Is(err, clickhouse.ErrAcquireConnTimeout) {
-				util.Logger.Error("flush batch failed", zap.String("task", c.taskCfg.Name), zap.Int("try", int(retrycount)), zap.Error(err))
-				statistics.FlushMsgsErrorTotal.WithLabelValues(c.taskCfg.Name).Add(float64(batch.RealSize))
-			}
+			util.Logger.Error("flush batch failed", zap.String("task", c.taskCfg.Name), zap.Int("try", int(retrycount)), zap.Error(err))
+			statistics.FlushMsgsErrorTotal.WithLabelValues(c.taskCfg.Name).Add(float64(batch.RealSize))
 		}),
 	); err != nil {
 		util.Logger.Fatal("ClickHouse.loopWrite failed", zap.String("task", c.taskCfg.Name), zap.Error(err))
@@ -478,13 +476,7 @@ func (c *ClickHouse) ChangeSchema(newKeys *sync.Map) (err error) {
 	alterTable := func(tbl, col string) error {
 		query := fmt.Sprintf("ALTER TABLE `%s`.`%s` %s %s;", c.dbName, tbl, onCluster, col)
 		util.Logger.Info(fmt.Sprintf("executing sql=> %s", query), zap.String("task", taskCfg.Name))
-		return retry.Do(
-			func() error { return conn.Exec(context.Background(), query) },
-			retry.Attempts(0),
-			retry.LastErrorOnly(true),
-			retry.Delay(10*time.Second),
-			retry.RetryIf(func(err error) bool { return errors.Is(err, clickhouse.ErrAcquireConnTimeout) }),
-		)
+		return conn.Exec(context.Background(), query)
 	}
 
 	if len(alterSeries) != 0 {
@@ -527,16 +519,7 @@ func (c *ClickHouse) getDistTbls(table string) (distTbls []string, err error) {
 		c.dbName, chCfg.Cluster, c.dbName, table)
 	util.Logger.Info(fmt.Sprintf("executing sql=> %s", query), zap.String("task", taskCfg.Name))
 	var rows driver.Rows
-	if err = retry.Do(
-		func() error {
-			rows, err = conn.Query(context.Background(), query)
-			return err
-		},
-		retry.Attempts(0),
-		retry.LastErrorOnly(true),
-		retry.Delay(10*time.Second),
-		retry.RetryIf(func(err error) bool { return errors.Is(err, clickhouse.ErrAcquireConnTimeout) }),
-	); err != nil {
+	if rows, err = conn.Query(context.Background(), query); err != nil {
 		err = errors.Wrapf(err, "")
 		return
 	}
diff --git a/output/clickhouse_util.go b/output/clickhouse_util.go
index f4481ed9..8280257a 100644
--- a/output/clickhouse_util.go
+++ b/output/clickhouse_util.go
@@ -3,12 +3,10 @@ package output
 import (
 	"context"
 	"fmt"
-	"time"
 
 	"github.com/ClickHouse/clickhouse-go/v2"
 	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
 	"github.com/RoaringBitmap/roaring"
-	"github.com/avast/retry-go/v4"
 	"github.com/housepower/clickhouse_sinker/model"
 	"github.com/housepower/clickhouse_sinker/pool"
 	"github.com/housepower/clickhouse_sinker/util"
@@ -82,16 +80,7 @@ func writeRows(prepareSQL string, rows model.Rows, idxBegin, idxEnd int, conn cl
 
 func getDims(database, table string, excludedColumns []string, parser string, conn clickhouse.Conn) (dims []*model.ColumnWithType, err error) {
 	var rs driver.Rows
-	if err = retry.Do(
-		func() error {
-			rs, err = conn.Query(context.Background(), fmt.Sprintf(selectSQLTemplate, database, table))
-			return err
-		},
-		retry.Attempts(0),
-		retry.LastErrorOnly(true),
-		retry.Delay(10*time.Second),
-		retry.RetryIf(func(err error) bool { return errors.Is(err, clickhouse.ErrAcquireConnTimeout) }),
-	); err != nil {
+	if rs, err = conn.Query(context.Background(), fmt.Sprintf(selectSQLTemplate, database, table)); err != nil {
 		err = errors.Wrapf(err, "")
 		return
 	}