diff --git a/go.sum b/go.sum
index 8eb191618905d..51095390a11ee 100644
--- a/go.sum
+++ b/go.sum
@@ -694,8 +694,6 @@ github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2/go.mod h1:2PfK
 github.com/tidwall/gjson v1.3.5/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
 github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
-github.com/tikv/client-go/v2 v2.0.0-alpha.0.20211221083046-c82000c1df1d h1:ZlrsCjlNbgQ/+UAacoroxpt/RJiOzedG0Tvbo0vFxAE=
-github.com/tikv/client-go/v2 v2.0.0-alpha.0.20211221083046-c82000c1df1d/go.mod h1:KwtZXt0JD+bP9bWW2ka0ir3Wp3oTEfZUTh22bs2sI4o=
 github.com/tikv/client-go/v2 v2.0.0-alpha.0.20211221092530-2f48d74d6949 h1:XY9qiqy9cHgPZ0E2zI8WfDK2wf8Gh+Yamuh48z55Rro=
 github.com/tikv/client-go/v2 v2.0.0-alpha.0.20211221092530-2f48d74d6949/go.mod h1:KwtZXt0JD+bP9bWW2ka0ir3Wp3oTEfZUTh22bs2sI4o=
 github.com/tikv/pd v1.1.0-beta.0.20210323121136-78679e5e209d/go.mod h1:Jw9KG11C/23Rr7DW4XWQ7H5xOgGZo6DFL1OKAF4+Igw=
diff --git a/session/session.go b/session/session.go
index 0780abf0860b1..31a835a3c12b9 100644
--- a/session/session.go
+++ b/session/session.go
@@ -23,7 +23,6 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"github.com/pingcap/tidb/store/driver/txn"
 	"net"
 	"runtime/pprof"
 	"runtime/trace"
@@ -45,6 +44,7 @@ import (
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
 	"github.com/pingcap/parser/terror"
+	"github.com/pingcap/tidb/store/driver/txn"
 	"github.com/pingcap/tidb/util/topsql"
 	"github.com/pingcap/tipb/go-binlog"
 	"go.uber.org/zap"