diff --git a/v4/export/config.go b/v4/export/config.go
index 4d363fa4..1e56e848 100644
--- a/v4/export/config.go
+++ b/v4/export/config.go
@@ -20,10 +20,10 @@ import (
 	"github.com/coreos/go-semver/semver"
 	"github.com/docker/go-units"
 	"github.com/go-sql-driver/mysql"
-	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/pingcap/errors"
 	filter "github.com/pingcap/tidb-tools/pkg/table-filter"
 	"github.com/pingcap/tidb-tools/pkg/utils"
+	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/spf13/pflag"
 	"go.uber.org/zap"
diff --git a/v4/export/consistency.go b/v4/export/consistency.go
index 9f4954e7..67b21ad8 100644
--- a/v4/export/consistency.go
+++ b/v4/export/consistency.go
@@ -8,8 +8,8 @@ import (
 
 	tcontext "github.com/pingcap/dumpling/v4/context"
 
-	"github.com/pingcap/tidb/br/pkg/utils"
 	"github.com/pingcap/errors"
+	"github.com/pingcap/tidb/br/pkg/utils"
 )
 
 const (
diff --git a/v4/export/dump.go b/v4/export/dump.go
index ccd4d4ac..d40a2dae 100755
--- a/v4/export/dump.go
+++ b/v4/export/dump.go
@@ -20,11 +20,11 @@ import (
 
 	// import mysql driver
 	_ "github.com/go-sql-driver/mysql"
-	"github.com/pingcap/tidb/br/pkg/storage"
-	"github.com/pingcap/tidb/br/pkg/summary"
 	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
 	pclog "github.com/pingcap/log"
+	"github.com/pingcap/tidb/br/pkg/storage"
+	"github.com/pingcap/tidb/br/pkg/summary"
 	"github.com/pingcap/tidb/store/helper"
 	"github.com/pingcap/tidb/tablecodec"
 	"github.com/pingcap/tidb/util/codec"
diff --git a/v4/export/metadata.go b/v4/export/metadata.go
index e7aabed6..57b1f0a2 100644
--- a/v4/export/metadata.go
+++ b/v4/export/metadata.go
@@ -12,8 +12,8 @@ import (
 
 	tcontext "github.com/pingcap/dumpling/v4/context"
 
-	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/pingcap/errors"
+	"github.com/pingcap/tidb/br/pkg/storage"
 	"go.uber.org/zap"
 )
 
diff --git a/v4/export/metadata_test.go b/v4/export/metadata_test.go
index 01c65004..c135e455 100644
--- a/v4/export/metadata_test.go
+++ b/v4/export/metadata_test.go
@@ -10,8 +10,8 @@ import (
 	tcontext "github.com/pingcap/dumpling/v4/context"
 
 	"github.com/DATA-DOG/go-sqlmock"
-	"github.com/pingcap/tidb/br/pkg/storage"
 	. "github.com/pingcap/check"
+	"github.com/pingcap/tidb/br/pkg/storage"
 )
 
 var _ = Suite(&testMetaDataSuite{})
diff --git a/v4/export/writer.go b/v4/export/writer.go
index ba66de18..ff421b6b 100644
--- a/v4/export/writer.go
+++ b/v4/export/writer.go
@@ -11,9 +11,9 @@ import (
 
 	tcontext "github.com/pingcap/dumpling/v4/context"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/pingcap/tidb/br/pkg/utils"
-	"github.com/pingcap/errors"
 	"go.uber.org/zap"
 )
 
diff --git a/v4/export/writer_util.go b/v4/export/writer_util.go
index 34eb7cb9..b94a347c 100755
--- a/v4/export/writer_util.go
+++ b/v4/export/writer_util.go
@@ -14,10 +14,10 @@ import (
 
 	tcontext "github.com/pingcap/dumpling/v4/context"
 
-	"github.com/pingcap/tidb/br/pkg/storage"
-	"github.com/pingcap/tidb/br/pkg/summary"
 	"github.com/pingcap/errors"
 	"github.com/pingcap/failpoint"
+	"github.com/pingcap/tidb/br/pkg/storage"
+	"github.com/pingcap/tidb/br/pkg/summary"
 	"github.com/prometheus/client_golang/prometheus"
 	"go.uber.org/zap"
 )
diff --git a/v4/export/writer_util_test.go b/v4/export/writer_util_test.go
index d278c854..b5d164a4 100644
--- a/v4/export/writer_util_test.go
+++ b/v4/export/writer_util_test.go
@@ -11,9 +11,9 @@ import (
 	tcontext "github.com/pingcap/dumpling/v4/context"
 	"github.com/pingcap/dumpling/v4/log"
 
-	"github.com/pingcap/tidb/br/pkg/storage"
 	. "github.com/pingcap/check"
 	"github.com/pingcap/errors"
+	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/prometheus/client_golang/prometheus"
 )