diff --git a/pkg/errorpb/errorpb.pb.go b/pkg/errorpb/errorpb.pb.go
index 6e8253f16..e658563ae 100644
--- a/pkg/errorpb/errorpb.pb.go
+++ b/pkg/errorpb/errorpb.pb.go
@@ -38,7 +38,7 @@ func (m *NotLeader) Reset()         { *m = NotLeader{} }
 func (m *NotLeader) String() string { return proto.CompactTextString(m) }
 func (*NotLeader) ProtoMessage()    {}
 func (*NotLeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{0}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{0}
 }
 func (m *NotLeader) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -93,7 +93,7 @@ func (m *StoreNotMatch) Reset()         { *m = StoreNotMatch{} }
 func (m *StoreNotMatch) String() string { return proto.CompactTextString(m) }
 func (*StoreNotMatch) ProtoMessage()    {}
 func (*StoreNotMatch) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{1}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{1}
 }
 func (m *StoreNotMatch) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -147,7 +147,7 @@ func (m *RegionNotFound) Reset()         { *m = RegionNotFound{} }
 func (m *RegionNotFound) String() string { return proto.CompactTextString(m) }
 func (*RegionNotFound) ProtoMessage()    {}
 func (*RegionNotFound) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{2}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{2}
 }
 func (m *RegionNotFound) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -197,7 +197,7 @@ func (m *KeyNotInRegion) Reset()         { *m = KeyNotInRegion{} }
 func (m *KeyNotInRegion) String() string { return proto.CompactTextString(m) }
 func (*KeyNotInRegion) ProtoMessage()    {}
 func (*KeyNotInRegion) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{3}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{3}
 }
 func (m *KeyNotInRegion) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -254,25 +254,25 @@ func (m *KeyNotInRegion) GetEndKey() []byte {
 	return nil
 }
 
-type StaleEpoch struct {
-	NewRegions           []*metapb.Region `protobuf:"bytes,1,rep,name=new_regions,json=newRegions" json:"new_regions,omitempty"`
+type EpochNotMatch struct {
+	CurrentRegions       []*metapb.Region `protobuf:"bytes,1,rep,name=current_regions,json=currentRegions" json:"current_regions,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
 	XXX_unrecognized     []byte           `json:"-"`
 	XXX_sizecache        int32            `json:"-"`
 }
 
-func (m *StaleEpoch) Reset()         { *m = StaleEpoch{} }
-func (m *StaleEpoch) String() string { return proto.CompactTextString(m) }
-func (*StaleEpoch) ProtoMessage()    {}
-func (*StaleEpoch) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{4}
+func (m *EpochNotMatch) Reset()         { *m = EpochNotMatch{} }
+func (m *EpochNotMatch) String() string { return proto.CompactTextString(m) }
+func (*EpochNotMatch) ProtoMessage()    {}
+func (*EpochNotMatch) Descriptor() ([]byte, []int) {
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{4}
 }
-func (m *StaleEpoch) XXX_Unmarshal(b []byte) error {
+func (m *EpochNotMatch) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
-func (m *StaleEpoch) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+func (m *EpochNotMatch) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
-		return xxx_messageInfo_StaleEpoch.Marshal(b, m, deterministic)
+		return xxx_messageInfo_EpochNotMatch.Marshal(b, m, deterministic)
 	} else {
 		b = b[:cap(b)]
 		n, err := m.MarshalTo(b)
@@ -282,21 +282,21 @@ func (m *StaleEpoch) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
-func (dst *StaleEpoch) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StaleEpoch.Merge(dst, src)
+func (dst *EpochNotMatch) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EpochNotMatch.Merge(dst, src)
 }
-func (m *StaleEpoch) XXX_Size() int {
+func (m *EpochNotMatch) XXX_Size() int {
 	return m.Size()
 }
-func (m *StaleEpoch) XXX_DiscardUnknown() {
-	xxx_messageInfo_StaleEpoch.DiscardUnknown(m)
+func (m *EpochNotMatch) XXX_DiscardUnknown() {
+	xxx_messageInfo_EpochNotMatch.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_StaleEpoch proto.InternalMessageInfo
+var xxx_messageInfo_EpochNotMatch proto.InternalMessageInfo
 
-func (m *StaleEpoch) GetNewRegions() []*metapb.Region {
+func (m *EpochNotMatch) GetCurrentRegions() []*metapb.Region {
 	if m != nil {
-		return m.NewRegions
+		return m.CurrentRegions
 	}
 	return nil
 }
@@ -313,7 +313,7 @@ func (m *ServerIsBusy) Reset()         { *m = ServerIsBusy{} }
 func (m *ServerIsBusy) String() string { return proto.CompactTextString(m) }
 func (*ServerIsBusy) ProtoMessage()    {}
 func (*ServerIsBusy) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{5}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{5}
 }
 func (m *ServerIsBusy) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -366,7 +366,7 @@ func (m *StaleCommand) Reset()         { *m = StaleCommand{} }
 func (m *StaleCommand) String() string { return proto.CompactTextString(m) }
 func (*StaleCommand) ProtoMessage()    {}
 func (*StaleCommand) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{6}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{6}
 }
 func (m *StaleCommand) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -407,7 +407,7 @@ func (m *RaftEntryTooLarge) Reset()         { *m = RaftEntryTooLarge{} }
 func (m *RaftEntryTooLarge) String() string { return proto.CompactTextString(m) }
 func (*RaftEntryTooLarge) ProtoMessage()    {}
 func (*RaftEntryTooLarge) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{7}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{7}
 }
 func (m *RaftEntryTooLarge) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -455,7 +455,7 @@ type Error struct {
 	NotLeader            *NotLeader         `protobuf:"bytes,2,opt,name=not_leader,json=notLeader" json:"not_leader,omitempty"`
 	RegionNotFound       *RegionNotFound    `protobuf:"bytes,3,opt,name=region_not_found,json=regionNotFound" json:"region_not_found,omitempty"`
 	KeyNotInRegion       *KeyNotInRegion    `protobuf:"bytes,4,opt,name=key_not_in_region,json=keyNotInRegion" json:"key_not_in_region,omitempty"`
-	StaleEpoch           *StaleEpoch        `protobuf:"bytes,5,opt,name=stale_epoch,json=staleEpoch" json:"stale_epoch,omitempty"`
+	EpochNotMatch        *EpochNotMatch     `protobuf:"bytes,5,opt,name=epoch_not_match,json=epochNotMatch" json:"epoch_not_match,omitempty"`
 	ServerIsBusy         *ServerIsBusy      `protobuf:"bytes,6,opt,name=server_is_busy,json=serverIsBusy" json:"server_is_busy,omitempty"`
 	StaleCommand         *StaleCommand      `protobuf:"bytes,7,opt,name=stale_command,json=staleCommand" json:"stale_command,omitempty"`
 	StoreNotMatch        *StoreNotMatch     `protobuf:"bytes,8,opt,name=store_not_match,json=storeNotMatch" json:"store_not_match,omitempty"`
@@ -469,7 +469,7 @@ func (m *Error) Reset()         { *m = Error{} }
 func (m *Error) String() string { return proto.CompactTextString(m) }
 func (*Error) ProtoMessage()    {}
 func (*Error) Descriptor() ([]byte, []int) {
-	return fileDescriptor_errorpb_a8ddf3d29af5a9c2, []int{8}
+	return fileDescriptor_errorpb_4b40b0c6817fafa5, []int{8}
 }
 func (m *Error) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -526,9 +526,9 @@ func (m *Error) GetKeyNotInRegion() *KeyNotInRegion {
 	return nil
 }
 
-func (m *Error) GetStaleEpoch() *StaleEpoch {
+func (m *Error) GetEpochNotMatch() *EpochNotMatch {
 	if m != nil {
-		return m.StaleEpoch
+		return m.EpochNotMatch
 	}
 	return nil
 }
@@ -566,7 +566,7 @@ func init() {
 	proto.RegisterType((*StoreNotMatch)(nil), "errorpb.StoreNotMatch")
 	proto.RegisterType((*RegionNotFound)(nil), "errorpb.RegionNotFound")
 	proto.RegisterType((*KeyNotInRegion)(nil), "errorpb.KeyNotInRegion")
-	proto.RegisterType((*StaleEpoch)(nil), "errorpb.StaleEpoch")
+	proto.RegisterType((*EpochNotMatch)(nil), "errorpb.EpochNotMatch")
 	proto.RegisterType((*ServerIsBusy)(nil), "errorpb.ServerIsBusy")
 	proto.RegisterType((*StaleCommand)(nil), "errorpb.StaleCommand")
 	proto.RegisterType((*RaftEntryTooLarge)(nil), "errorpb.RaftEntryTooLarge")
@@ -709,7 +709,7 @@ func (m *KeyNotInRegion) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
-func (m *StaleEpoch) Marshal() (dAtA []byte, err error) {
+func (m *EpochNotMatch) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
 	n, err := m.MarshalTo(dAtA)
@@ -719,13 +719,13 @@ func (m *StaleEpoch) Marshal() (dAtA []byte, err error) {
 	return dAtA[:n], nil
 }
 
-func (m *StaleEpoch) MarshalTo(dAtA []byte) (int, error) {
+func (m *EpochNotMatch) MarshalTo(dAtA []byte) (int, error) {
 	var i int
 	_ = i
 	var l int
 	_ = l
-	if len(m.NewRegions) > 0 {
-		for _, msg := range m.NewRegions {
+	if len(m.CurrentRegions) > 0 {
+		for _, msg := range m.CurrentRegions {
 			dAtA[i] = 0xa
 			i++
 			i = encodeVarintErrorpb(dAtA, i, uint64(msg.Size()))
@@ -877,11 +877,11 @@ func (m *Error) MarshalTo(dAtA []byte) (int, error) {
 		}
 		i += n4
 	}
-	if m.StaleEpoch != nil {
+	if m.EpochNotMatch != nil {
 		dAtA[i] = 0x2a
 		i++
-		i = encodeVarintErrorpb(dAtA, i, uint64(m.StaleEpoch.Size()))
-		n5, err := m.StaleEpoch.MarshalTo(dAtA[i:])
+		i = encodeVarintErrorpb(dAtA, i, uint64(m.EpochNotMatch.Size()))
+		n5, err := m.EpochNotMatch.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
@@ -1009,11 +1009,11 @@ func (m *KeyNotInRegion) Size() (n int) {
 	return n
 }
 
-func (m *StaleEpoch) Size() (n int) {
+func (m *EpochNotMatch) Size() (n int) {
 	var l int
 	_ = l
-	if len(m.NewRegions) > 0 {
-		for _, e := range m.NewRegions {
+	if len(m.CurrentRegions) > 0 {
+		for _, e := range m.CurrentRegions {
 			l = e.Size()
 			n += 1 + l + sovErrorpb(uint64(l))
 		}
@@ -1083,8 +1083,8 @@ func (m *Error) Size() (n int) {
 		l = m.KeyNotInRegion.Size()
 		n += 1 + l + sovErrorpb(uint64(l))
 	}
-	if m.StaleEpoch != nil {
-		l = m.StaleEpoch.Size()
+	if m.EpochNotMatch != nil {
+		l = m.EpochNotMatch.Size()
 		n += 1 + l + sovErrorpb(uint64(l))
 	}
 	if m.ServerIsBusy != nil {
@@ -1547,7 +1547,7 @@ func (m *KeyNotInRegion) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
-func (m *StaleEpoch) Unmarshal(dAtA []byte) error {
+func (m *EpochNotMatch) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -1570,15 +1570,15 @@ func (m *StaleEpoch) Unmarshal(dAtA []byte) error {
 		fieldNum := int32(wire >> 3)
 		wireType := int(wire & 0x7)
 		if wireType == 4 {
-			return fmt.Errorf("proto: StaleEpoch: wiretype end group for non-group")
+			return fmt.Errorf("proto: EpochNotMatch: wiretype end group for non-group")
 		}
 		if fieldNum <= 0 {
-			return fmt.Errorf("proto: StaleEpoch: illegal tag %d (wire type %d)", fieldNum, wire)
+			return fmt.Errorf("proto: EpochNotMatch: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
 		case 1:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field NewRegions", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field CurrentRegions", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -1602,8 +1602,8 @@ func (m *StaleEpoch) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.NewRegions = append(m.NewRegions, &metapb.Region{})
-			if err := m.NewRegions[len(m.NewRegions)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.CurrentRegions = append(m.CurrentRegions, &metapb.Region{})
+			if err := m.CurrentRegions[len(m.CurrentRegions)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
@@ -2027,7 +2027,7 @@ func (m *Error) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 5:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field StaleEpoch", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field EpochNotMatch", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -2051,10 +2051,10 @@ func (m *Error) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if m.StaleEpoch == nil {
-				m.StaleEpoch = &StaleEpoch{}
+			if m.EpochNotMatch == nil {
+				m.EpochNotMatch = &EpochNotMatch{}
 			}
-			if err := m.StaleEpoch.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			if err := m.EpochNotMatch.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
@@ -2317,48 +2317,48 @@ var (
 	ErrIntOverflowErrorpb   = fmt.Errorf("proto: integer overflow")
 )
 
-func init() { proto.RegisterFile("errorpb.proto", fileDescriptor_errorpb_a8ddf3d29af5a9c2) }
-
-var fileDescriptor_errorpb_a8ddf3d29af5a9c2 = []byte{
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-	0x38, 0x7f, 0x1e, 0x1b, 0xce, 0xcf, 0xbf, 0x8d, 0xff, 0x60, 0x4f, 0xc8, 0x71, 0x4b, 0x27, 0x93,
-	0xbb, 0xd6, 0xe4, 0xce, 0xfe, 0xfb, 0x0c, 0x2a, 0xf6, 0xe7, 0xf5, 0xbf, 0x00, 0x00, 0x00, 0xff,
-	0xff, 0x85, 0xfd, 0x82, 0x54, 0xc2, 0x04, 0x00, 0x00,
+func init() { proto.RegisterFile("errorpb.proto", fileDescriptor_errorpb_4b40b0c6817fafa5) }
+
+var fileDescriptor_errorpb_4b40b0c6817fafa5 = []byte{
+	// 637 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x54, 0xdd, 0x6e, 0xd3, 0x30,
+	0x14, 0x26, 0xfb, 0x69, 0x97, 0xd3, 0x24, 0xdb, 0xa2, 0xb1, 0x45, 0x9b, 0x56, 0x4d, 0x11, 0x42,
+	0xbd, 0xa1, 0x88, 0x71, 0x81, 0x04, 0x12, 0x12, 0x43, 0x45, 0x54, 0xdd, 0x0a, 0x72, 0xb9, 0x8f,
+	0xdc, 0xe6, 0xb4, 0x8b, 0xda, 0xda, 0xc3, 0x76, 0x26, 0x65, 0x4f, 0xc2, 0x53, 0xf0, 0x1c, 0x5c,
+	0xf2, 0x08, 0xa8, 0xbc, 0x08, 0xb2, 0x93, 0xa6, 0x4d, 0x91, 0x76, 0x55, 0x9f, 0xcf, 0xe7, 0xfb,
+	0x7a, 0xec, 0xef, 0x73, 0xc0, 0x45, 0x21, 0xb8, 0xb8, 0x1b, 0xb6, 0xef, 0x04, 0x57, 0xdc, 0xaf,
+	0x17, 0xe5, 0xa9, 0x33, 0x47, 0x45, 0x97, 0xf0, 0xe9, 0xd1, 0x84, 0x4f, 0xb8, 0x59, 0xbe, 0xd4,
+	0xab, 0x1c, 0x0d, 0xfb, 0x60, 0xf7, 0xb9, 0xba, 0x46, 0x1a, 0xa3, 0xf0, 0xcf, 0xc0, 0x16, 0x38,
+	0x49, 0x38, 0x8b, 0x92, 0x38, 0xb0, 0x2e, 0xac, 0xd6, 0x0e, 0xd9, 0xcb, 0x81, 0x6e, 0xec, 0x3f,
+	0x83, 0xda, 0xcc, 0xb4, 0x05, 0x5b, 0x17, 0x56, 0xab, 0x71, 0xe9, 0xb4, 0x0b, 0xf9, 0xaf, 0x88,
+	0x82, 0x14, 0x7b, 0x21, 0x05, 0x77, 0xa0, 0xb8, 0xc0, 0x3e, 0x57, 0x37, 0x54, 0x8d, 0x6e, 0xfd,
+	0x16, 0x1c, 0x08, 0xfc, 0x9e, 0xa2, 0x54, 0x91, 0xd4, 0x1b, 0x2b, 0x69, 0xaf, 0xc0, 0x4d, 0x7f,
+	0x37, 0xf6, 0x9f, 0xc3, 0x3e, 0x1d, 0xa9, 0x94, 0xce, 0x56, 0x8d, 0x5b, 0xa6, 0xd1, 0xcd, 0xe1,
+	0xa2, 0x2f, 0x7c, 0x01, 0x1e, 0x31, 0x43, 0xf5, 0xb9, 0xfa, 0xc4, 0x53, 0x16, 0x3f, 0x3a, 0x77,
+	0x98, 0x82, 0xd7, 0xc3, 0xac, 0xcf, 0x55, 0x97, 0xe5, 0x34, 0xff, 0x00, 0xb6, 0xa7, 0x98, 0x99,
+	0x46, 0x87, 0xe8, 0x65, 0x55, 0x60, 0x6b, 0xe3, 0xe0, 0x67, 0x60, 0x4b, 0x45, 0x85, 0x8a, 0x34,
+	0x69, 0xdb, 0x90, 0xf6, 0x0c, 0xd0, 0xc3, 0xcc, 0x3f, 0x81, 0x3a, 0xb2, 0xd8, 0x6c, 0xed, 0x98,
+	0xad, 0x1a, 0xb2, 0xb8, 0x87, 0x59, 0xf8, 0x19, 0xdc, 0xce, 0x1d, 0x1f, 0xdd, 0x96, 0x17, 0xf1,
+	0x06, 0xf6, 0x47, 0xa9, 0x10, 0xc8, 0x54, 0x94, 0x4b, 0xcb, 0xc0, 0xba, 0xd8, 0x6e, 0x35, 0x2e,
+	0xbd, 0xe5, 0x45, 0xe6, 0xe3, 0x11, 0xaf, 0x68, 0xcb, 0x4b, 0x19, 0x76, 0xc0, 0x19, 0xa0, 0xb8,
+	0x47, 0xd1, 0x95, 0x57, 0xa9, 0xcc, 0xfc, 0x63, 0xa8, 0x09, 0xa4, 0x92, 0x33, 0x73, 0x02, 0x9b,
+	0x14, 0x95, 0x7f, 0x0e, 0x30, 0xa4, 0xa3, 0x29, 0x1f, 0x8f, 0xa3, 0xb9, 0x2c, 0x4e, 0x61, 0x17,
+	0xc8, 0x8d, 0x0c, 0x3d, 0x70, 0x06, 0x8a, 0xce, 0xf0, 0x23, 0x9f, 0xcf, 0x29, 0x8b, 0xc3, 0x2f,
+	0x70, 0x48, 0xe8, 0x58, 0x75, 0x98, 0x12, 0xd9, 0x37, 0xce, 0xaf, 0xa9, 0x98, 0xe0, 0xe3, 0x09,
+	0x38, 0x07, 0x40, 0xdd, 0x1d, 0xc9, 0xe4, 0x01, 0x97, 0x7f, 0x60, 0x90, 0x41, 0xf2, 0x80, 0xe1,
+	0xcf, 0x1d, 0xd8, 0xed, 0xe8, 0xe8, 0xf9, 0x01, 0xd4, 0xe7, 0x28, 0x25, 0x9d, 0x60, 0x31, 0xe2,
+	0xb2, 0xf4, 0x5f, 0x01, 0x30, 0xae, 0xa2, 0x4a, 0x90, 0xfc, 0xf6, 0x32, 0xbf, 0x65, 0x12, 0x89,
+	0xcd, 0xca, 0x50, 0x7e, 0xd0, 0x01, 0x32, 0x23, 0x69, 0xe6, 0x58, 0x1b, 0x6e, 0x5c, 0x68, 0x5c,
+	0x9e, 0x94, 0xc4, 0x6a, 0x1e, 0x74, 0xb2, 0x2a, 0xf9, 0xb8, 0x82, 0xc3, 0x29, 0x66, 0x86, 0x9f,
+	0xb0, 0xe2, 0xf6, 0x8d, 0x5d, 0xeb, 0x1a, 0xd5, 0x90, 0x10, 0x6f, 0x5a, 0x0d, 0xcd, 0x7b, 0xd8,
+	0x47, 0xed, 0xa7, 0x51, 0x99, 0x6b, 0x47, 0x83, 0x5d, 0xa3, 0x70, 0x5c, 0x2a, 0x54, 0xfc, 0x26,
+	0x2e, 0x56, 0xec, 0x7f, 0x07, 0x9e, 0x34, 0x2e, 0x46, 0x89, 0x8c, 0x86, 0xa9, 0xcc, 0x82, 0x9a,
+	0xa1, 0x3f, 0x2d, 0xe9, 0xeb, 0x26, 0x13, 0x47, 0xae, 0x5b, 0xfe, 0x16, 0x5c, 0xa9, 0xbd, 0x8b,
+	0x46, 0xb9, 0x79, 0x41, 0x7d, 0x93, 0xbb, 0xe6, 0x2c, 0x71, 0xe4, 0x5a, 0xa5, 0x07, 0xcf, 0xdf,
+	0xd3, 0x6a, 0xf0, 0xbd, 0x8d, 0xc1, 0x2b, 0x2f, 0x96, 0xb8, 0xb2, 0xf2, 0x80, 0x7b, 0x70, 0x24,
+	0xe8, 0x58, 0x45, 0xb9, 0xf5, 0x8a, 0xf3, 0x68, 0xa6, 0xa3, 0x12, 0xd8, 0x46, 0xe4, 0x74, 0xe5,
+	0xc1, 0x66, 0x98, 0xc8, 0xa1, 0xf8, 0x0f, 0x6a, 0xe4, 0xc7, 0x30, 0x57, 0x73, 0x15, 0xfe, 0x5a,
+	0x34, 0xad, 0xdf, 0x8b, 0xa6, 0xf5, 0x67, 0xd1, 0xb4, 0x7e, 0xfc, 0x6d, 0x3e, 0x81, 0x03, 0x2e,
+	0x26, 0x6d, 0x95, 0x4c, 0xef, 0xdb, 0xd3, 0x7b, 0xf3, 0x7d, 0x1a, 0xd6, 0xcc, 0xcf, 0xeb, 0x7f,
+	0x01, 0x00, 0x00, 0xff, 0xff, 0x51, 0x77, 0xa0, 0xcc, 0xe4, 0x04, 0x00, 0x00,
 }
diff --git a/proto/errorpb.proto b/proto/errorpb.proto
index 3e18a77ce..680aa5f68 100644
--- a/proto/errorpb.proto
+++ b/proto/errorpb.proto
@@ -31,8 +31,8 @@ message KeyNotInRegion {
     bytes end_key = 4;
 }
 
-message StaleEpoch {
-    repeated metapb.Region new_regions = 1;
+message EpochNotMatch {
+    repeated metapb.Region current_regions = 1;
 }
 
 message ServerIsBusy {
@@ -49,11 +49,13 @@ message RaftEntryTooLarge {
 }
 
 message Error {
+    reserved "stale_epoch";
+
     string message = 1;
     NotLeader not_leader = 2;
     RegionNotFound region_not_found = 3;
     KeyNotInRegion key_not_in_region = 4;
-    StaleEpoch stale_epoch = 5;
+    EpochNotMatch epoch_not_match = 5;
     ServerIsBusy server_is_busy = 6;
     StaleCommand stale_command = 7;
     StoreNotMatch store_not_match = 8;
diff --git a/src/coprocessor.rs b/src/coprocessor.rs
index 6f892be9b..2dc80c53c 100644
--- a/src/coprocessor.rs
+++ b/src/coprocessor.rs
@@ -978,7 +978,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     locked\x12\x1f\n\x0bother_error\x18\x04\x20\x01(\tR\notherError\x12+\n\
     \x05range\x18\x05\x20\x01(\x0b2\x15.coprocessor.KeyRangeR\x05range\x127\
     \n\x0cexec_details\x18\x06\x20\x01(\x0b2\x14.kvrpcpb.ExecDetailsR\x0bexe\
-    cDetailsB\x1e\n\x10org.tikv.kvproto\xe0\xe2\x1e\x01\xd0\xe2\x1e\x01\xc8\
+    cDetailsB\x1e\n\x10org.tikv.kvproto\xd0\xe2\x1e\x01\xe0\xe2\x1e\x01\xc8\
     \xe2\x1e\x01J\xef\x0b\n\x06\x12\x04\0\0!\x01\n\x08\n\x01\x0c\x12\x03\0\0\
     \x12\n\x08\n\x01\x02\x12\x03\x01\x08\x13\n\t\n\x02\x03\0\x12\x03\x03\x07\
     \x16\n\t\n\x02\x03\x01\x12\x03\x04\x07\x16\n\t\n\x02\x03\x02\x12\x03\x05\
diff --git a/src/debugpb.rs b/src/debugpb.rs
index f267df03b..93d880629 100644
--- a/src/debugpb.rs
+++ b/src/debugpb.rs
@@ -5749,8 +5749,8 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     e\"\0\x12Y\n\x10ModifyTikvConfig\x12\x20.debugpb.ModifyTikvConfigRequest\
     \x1a!.debugpb.ModifyTikvConfigResponse\"\0\x12b\n\x13GetRegionProperties\
     \x12#.debugpb.GetRegionPropertiesRequest\x1a$.debugpb.GetRegionPropertie\
-    sResponse\"\0B\x1e\n\x10org.tikv.kvproto\xc8\xe2\x1e\x01\xd0\xe2\x1e\x01\
-    \xe0\xe2\x1e\x01J\xe29\n\x07\x12\x05\0\0\xe3\x01\x01\n\x08\n\x01\x0c\x12\
+    sResponse\"\0B\x1e\n\x10org.tikv.kvproto\xd0\xe2\x1e\x01\xe0\xe2\x1e\x01\
+    \xc8\xe2\x1e\x01J\xe29\n\x07\x12\x05\0\0\xe3\x01\x01\n\x08\n\x01\x0c\x12\
     \x03\0\0\x12\n\x08\n\x01\x02\x12\x03\x01\x08\x0f\n\t\n\x02\x03\0\x12\x03\
     \x03\x07\x16\n\t\n\x02\x03\x01\x12\x03\x04\x07\x16\n\t\n\x02\x03\x02\x12\
     \x03\x05\x07\x1c\n\t\n\x02\x03\x03\x12\x03\x06\x07\x1d\n\x08\n\x01\x08\
diff --git a/src/errorpb.rs b/src/errorpb.rs
index b26edbd31..709541777 100644
--- a/src/errorpb.rs
+++ b/src/errorpb.rs
@@ -864,48 +864,48 @@ impl ::protobuf::reflect::ProtobufValue for KeyNotInRegion {
 }
 
 #[derive(PartialEq,Clone,Default)]
-pub struct StaleEpoch {
+pub struct EpochNotMatch {
     // message fields
-    pub new_regions: ::protobuf::RepeatedField<super::metapb::Region>,
+    pub current_regions: ::protobuf::RepeatedField<super::metapb::Region>,
     // special fields
     pub unknown_fields: ::protobuf::UnknownFields,
     cached_size: ::protobuf::CachedSize,
 }
 
-impl StaleEpoch {
-    pub fn new() -> StaleEpoch {
+impl EpochNotMatch {
+    pub fn new() -> EpochNotMatch {
         ::std::default::Default::default()
     }
 
-    // repeated .metapb.Region new_regions = 1;
+    // repeated .metapb.Region current_regions = 1;
 
-    pub fn clear_new_regions(&mut self) {
-        self.new_regions.clear();
+    pub fn clear_current_regions(&mut self) {
+        self.current_regions.clear();
     }
 
     // Param is passed by value, moved
-    pub fn set_new_regions(&mut self, v: ::protobuf::RepeatedField<super::metapb::Region>) {
-        self.new_regions = v;
+    pub fn set_current_regions(&mut self, v: ::protobuf::RepeatedField<super::metapb::Region>) {
+        self.current_regions = v;
     }
 
     // Mutable pointer to the field.
-    pub fn mut_new_regions(&mut self) -> &mut ::protobuf::RepeatedField<super::metapb::Region> {
-        &mut self.new_regions
+    pub fn mut_current_regions(&mut self) -> &mut ::protobuf::RepeatedField<super::metapb::Region> {
+        &mut self.current_regions
     }
 
     // Take field
-    pub fn take_new_regions(&mut self) -> ::protobuf::RepeatedField<super::metapb::Region> {
-        ::std::mem::replace(&mut self.new_regions, ::protobuf::RepeatedField::new())
+    pub fn take_current_regions(&mut self) -> ::protobuf::RepeatedField<super::metapb::Region> {
+        ::std::mem::replace(&mut self.current_regions, ::protobuf::RepeatedField::new())
     }
 
-    pub fn get_new_regions(&self) -> &[super::metapb::Region] {
-        &self.new_regions
+    pub fn get_current_regions(&self) -> &[super::metapb::Region] {
+        &self.current_regions
     }
 }
 
-impl ::protobuf::Message for StaleEpoch {
+impl ::protobuf::Message for EpochNotMatch {
     fn is_initialized(&self) -> bool {
-        for v in &self.new_regions {
+        for v in &self.current_regions {
             if !v.is_initialized() {
                 return false;
             }
@@ -918,7 +918,7 @@ impl ::protobuf::Message for StaleEpoch {
             let (field_number, wire_type) = is.read_tag_unpack()?;
             match field_number {
                 1 => {
-                    ::protobuf::rt::read_repeated_message_into(wire_type, is, &mut self.new_regions)?;
+                    ::protobuf::rt::read_repeated_message_into(wire_type, is, &mut self.current_regions)?;
                 },
                 _ => {
                     ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
@@ -932,7 +932,7 @@ impl ::protobuf::Message for StaleEpoch {
     #[allow(unused_variables)]
     fn compute_size(&self) -> u32 {
         let mut my_size = 0;
-        for value in &self.new_regions {
+        for value in &self.current_regions {
             let len = value.compute_size();
             my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
         };
@@ -942,7 +942,7 @@ impl ::protobuf::Message for StaleEpoch {
     }
 
     fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        for v in &self.new_regions {
+        for v in &self.current_regions {
             os.write_tag(1, ::protobuf::wire_format::WireTypeLengthDelimited)?;
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
@@ -977,8 +977,8 @@ impl ::protobuf::Message for StaleEpoch {
         Self::descriptor_static()
     }
 
-    fn new() -> StaleEpoch {
-        StaleEpoch::new()
+    fn new() -> EpochNotMatch {
+        EpochNotMatch::new()
     }
 
     fn descriptor_static() -> &'static ::protobuf::reflect::MessageDescriptor {
@@ -990,12 +990,12 @@ impl ::protobuf::Message for StaleEpoch {
             descriptor.get(|| {
                 let mut fields = ::std::vec::Vec::new();
                 fields.push(::protobuf::reflect::accessor::make_repeated_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<super::metapb::Region>>(
-                    "new_regions",
-                    |m: &StaleEpoch| { &m.new_regions },
-                    |m: &mut StaleEpoch| { &mut m.new_regions },
+                    "current_regions",
+                    |m: &EpochNotMatch| { &m.current_regions },
+                    |m: &mut EpochNotMatch| { &mut m.current_regions },
                 ));
-                ::protobuf::reflect::MessageDescriptor::new::<StaleEpoch>(
-                    "StaleEpoch",
+                ::protobuf::reflect::MessageDescriptor::new::<EpochNotMatch>(
+                    "EpochNotMatch",
                     fields,
                     file_descriptor_proto()
                 )
@@ -1003,31 +1003,31 @@ impl ::protobuf::Message for StaleEpoch {
         }
     }
 
-    fn default_instance() -> &'static StaleEpoch {
-        static mut instance: ::protobuf::lazy::Lazy<StaleEpoch> = ::protobuf::lazy::Lazy {
+    fn default_instance() -> &'static EpochNotMatch {
+        static mut instance: ::protobuf::lazy::Lazy<EpochNotMatch> = ::protobuf::lazy::Lazy {
             lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const StaleEpoch,
+            ptr: 0 as *const EpochNotMatch,
         };
         unsafe {
-            instance.get(StaleEpoch::new)
+            instance.get(EpochNotMatch::new)
         }
     }
 }
 
-impl ::protobuf::Clear for StaleEpoch {
+impl ::protobuf::Clear for EpochNotMatch {
     fn clear(&mut self) {
-        self.clear_new_regions();
+        self.clear_current_regions();
         self.unknown_fields.clear();
     }
 }
 
-impl ::std::fmt::Debug for StaleEpoch {
+impl ::std::fmt::Debug for EpochNotMatch {
     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
         ::protobuf::text_format::fmt(self, f)
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for StaleEpoch {
+impl ::protobuf::reflect::ProtobufValue for EpochNotMatch {
     fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
         ::protobuf::reflect::ProtobufValueRef::Message(self)
     }
@@ -1549,7 +1549,7 @@ pub struct Error {
     pub not_leader: ::protobuf::SingularPtrField<NotLeader>,
     pub region_not_found: ::protobuf::SingularPtrField<RegionNotFound>,
     pub key_not_in_region: ::protobuf::SingularPtrField<KeyNotInRegion>,
-    pub stale_epoch: ::protobuf::SingularPtrField<StaleEpoch>,
+    pub epoch_not_match: ::protobuf::SingularPtrField<EpochNotMatch>,
     pub server_is_busy: ::protobuf::SingularPtrField<ServerIsBusy>,
     pub stale_command: ::protobuf::SingularPtrField<StaleCommand>,
     pub store_not_match: ::protobuf::SingularPtrField<StoreNotMatch>,
@@ -1689,37 +1689,37 @@ impl Error {
         self.key_not_in_region.as_ref().unwrap_or_else(|| KeyNotInRegion::default_instance())
     }
 
-    // .errorpb.StaleEpoch stale_epoch = 5;
+    // .errorpb.EpochNotMatch epoch_not_match = 5;
 
-    pub fn clear_stale_epoch(&mut self) {
-        self.stale_epoch.clear();
+    pub fn clear_epoch_not_match(&mut self) {
+        self.epoch_not_match.clear();
     }
 
-    pub fn has_stale_epoch(&self) -> bool {
-        self.stale_epoch.is_some()
+    pub fn has_epoch_not_match(&self) -> bool {
+        self.epoch_not_match.is_some()
     }
 
     // Param is passed by value, moved
-    pub fn set_stale_epoch(&mut self, v: StaleEpoch) {
-        self.stale_epoch = ::protobuf::SingularPtrField::some(v);
+    pub fn set_epoch_not_match(&mut self, v: EpochNotMatch) {
+        self.epoch_not_match = ::protobuf::SingularPtrField::some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
-    pub fn mut_stale_epoch(&mut self) -> &mut StaleEpoch {
-        if self.stale_epoch.is_none() {
-            self.stale_epoch.set_default();
+    pub fn mut_epoch_not_match(&mut self) -> &mut EpochNotMatch {
+        if self.epoch_not_match.is_none() {
+            self.epoch_not_match.set_default();
         }
-        self.stale_epoch.as_mut().unwrap()
+        self.epoch_not_match.as_mut().unwrap()
     }
 
     // Take field
-    pub fn take_stale_epoch(&mut self) -> StaleEpoch {
-        self.stale_epoch.take().unwrap_or_else(|| StaleEpoch::new())
+    pub fn take_epoch_not_match(&mut self) -> EpochNotMatch {
+        self.epoch_not_match.take().unwrap_or_else(|| EpochNotMatch::new())
     }
 
-    pub fn get_stale_epoch(&self) -> &StaleEpoch {
-        self.stale_epoch.as_ref().unwrap_or_else(|| StaleEpoch::default_instance())
+    pub fn get_epoch_not_match(&self) -> &EpochNotMatch {
+        self.epoch_not_match.as_ref().unwrap_or_else(|| EpochNotMatch::default_instance())
     }
 
     // .errorpb.ServerIsBusy server_is_busy = 6;
@@ -1872,7 +1872,7 @@ impl ::protobuf::Message for Error {
                 return false;
             }
         };
-        for v in &self.stale_epoch {
+        for v in &self.epoch_not_match {
             if !v.is_initialized() {
                 return false;
             }
@@ -1917,7 +1917,7 @@ impl ::protobuf::Message for Error {
                     ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.key_not_in_region)?;
                 },
                 5 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.stale_epoch)?;
+                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.epoch_not_match)?;
                 },
                 6 => {
                     ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.server_is_busy)?;
@@ -1958,7 +1958,7 @@ impl ::protobuf::Message for Error {
             let len = v.compute_size();
             my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
         }
-        if let Some(ref v) = self.stale_epoch.as_ref() {
+        if let Some(ref v) = self.epoch_not_match.as_ref() {
             let len = v.compute_size();
             my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
         }
@@ -2002,7 +2002,7 @@ impl ::protobuf::Message for Error {
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
         }
-        if let Some(ref v) = self.stale_epoch.as_ref() {
+        if let Some(ref v) = self.epoch_not_match.as_ref() {
             os.write_tag(5, ::protobuf::wire_format::WireTypeLengthDelimited)?;
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
@@ -2089,10 +2089,10 @@ impl ::protobuf::Message for Error {
                     |m: &Error| { &m.key_not_in_region },
                     |m: &mut Error| { &mut m.key_not_in_region },
                 ));
-                fields.push(::protobuf::reflect::accessor::make_singular_ptr_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<StaleEpoch>>(
-                    "stale_epoch",
-                    |m: &Error| { &m.stale_epoch },
-                    |m: &mut Error| { &mut m.stale_epoch },
+                fields.push(::protobuf::reflect::accessor::make_singular_ptr_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<EpochNotMatch>>(
+                    "epoch_not_match",
+                    |m: &Error| { &m.epoch_not_match },
+                    |m: &mut Error| { &mut m.epoch_not_match },
                 ));
                 fields.push(::protobuf::reflect::accessor::make_singular_ptr_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<ServerIsBusy>>(
                     "server_is_busy",
@@ -2140,7 +2140,7 @@ impl ::protobuf::Clear for Error {
         self.clear_not_leader();
         self.clear_region_not_found();
         self.clear_key_not_in_region();
-        self.clear_stale_epoch();
+        self.clear_epoch_not_match();
         self.clear_server_is_busy();
         self.clear_stale_command();
         self.clear_store_not_match();
@@ -2171,129 +2171,130 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \x04R\x08regionId\"u\n\x0eKeyNotInRegion\x12\x10\n\x03key\x18\x01\x20\
     \x01(\x0cR\x03key\x12\x1b\n\tregion_id\x18\x02\x20\x01(\x04R\x08regionId\
     \x12\x1b\n\tstart_key\x18\x03\x20\x01(\x0cR\x08startKey\x12\x17\n\x07end\
-    _key\x18\x04\x20\x01(\x0cR\x06endKey\"=\n\nStaleEpoch\x12/\n\x0bnew_regi\
-    ons\x18\x01\x20\x03(\x0b2\x0e.metapb.RegionR\nnewRegions\"E\n\x0cServerI\
-    sBusy\x12\x16\n\x06reason\x18\x01\x20\x01(\tR\x06reason\x12\x1d\n\nbacko\
-    ff_ms\x18\x02\x20\x01(\x04R\tbackoffMs\"\x0e\n\x0cStaleCommand\"O\n\x11R\
-    aftEntryTooLarge\x12\x1b\n\tregion_id\x18\x01\x20\x01(\x04R\x08regionId\
-    \x12\x1d\n\nentry_size\x18\x02\x20\x01(\x04R\tentrySize\"\x97\x04\n\x05E\
-    rror\x12\x18\n\x07message\x18\x01\x20\x01(\tR\x07message\x121\n\nnot_lea\
-    der\x18\x02\x20\x01(\x0b2\x12.errorpb.NotLeaderR\tnotLeader\x12A\n\x10re\
-    gion_not_found\x18\x03\x20\x01(\x0b2\x17.errorpb.RegionNotFoundR\x0eregi\
-    onNotFound\x12B\n\x11key_not_in_region\x18\x04\x20\x01(\x0b2\x17.errorpb\
-    .KeyNotInRegionR\x0ekeyNotInRegion\x124\n\x0bstale_epoch\x18\x05\x20\x01\
-    (\x0b2\x13.errorpb.StaleEpochR\nstaleEpoch\x12;\n\x0eserver_is_busy\x18\
-    \x06\x20\x01(\x0b2\x15.errorpb.ServerIsBusyR\x0cserverIsBusy\x12:\n\rsta\
-    le_command\x18\x07\x20\x01(\x0b2\x15.errorpb.StaleCommandR\x0cstaleComma\
-    nd\x12>\n\x0fstore_not_match\x18\x08\x20\x01(\x0b2\x16.errorpb.StoreNotM\
-    atchR\rstoreNotMatch\x12K\n\x14raft_entry_too_large\x18\t\x20\x01(\x0b2\
-    \x1a.errorpb.RaftEntryTooLargeR\x11raftEntryTooLargeB\x1e\n\x10org.tikv.\
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 ";
 
 static mut file_descriptor_proto_lazy: ::protobuf::lazy::Lazy<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::lazy::Lazy {
diff --git a/src/import_kvpb.rs b/src/import_kvpb.rs
index 9cc90638e..d5471322a 100644
--- a/src/import_kvpb.rs
+++ b/src/import_kvpb.rs
@@ -3433,7 +3433,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \0\x12X\n\rCleanupEngine\x12!.import_kvpb.CleanupEngineRequest\x1a\".imp\
     ort_kvpb.CleanupEngineResponse\"\0\x12[\n\x0eCompactCluster\x12\".import\
     _kvpb.CompactClusterRequest\x1a#.import_kvpb.CompactClusterResponse\"\0B\
-    \x1e\n\x10org.tikv.kvproto\xe0\xe2\x1e\x01\xc8\xe2\x1e\x01\xd0\xe2\x1e\
+    \x1e\n\x10org.tikv.kvproto\xe0\xe2\x1e\x01\xd0\xe2\x1e\x01\xc8\xe2\x1e\
     \x01J\xe6!\n\x07\x12\x05\0\0\x84\x01\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\
     \n\x08\n\x01\x02\x12\x03\x02\x08\x13\n\t\n\x02\x03\0\x12\x03\x04\x07\x1b\
     \n\t\n\x02\x03\x01\x12\x03\x05\x07\x1d\n\x08\n\x01\x08\x12\x03\x07\0$\n\
diff --git a/src/import_sstpb.rs b/src/import_sstpb.rs
index 70b641875..f494d2aea 100644
--- a/src/import_sstpb.rs
+++ b/src/import_sstpb.rs
@@ -2149,7 +2149,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \x12E\n\x06Ingest\x12\x1b.import_sstpb.IngestRequest\x1a\x1c.import_sstp\
     b.IngestResponse\"\0\x12H\n\x07Compact\x12\x1c.import_sstpb.CompactReque\
     st\x1a\x1d.import_sstpb.CompactResponse\"\0B\x1e\n\x10org.tikv.kvproto\
-    \xd0\xe2\x1e\x01\xe0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xaa\x1b\n\x06\x12\x04\
+    \xc8\xe2\x1e\x01\xe0\xe2\x1e\x01\xd0\xe2\x1e\x01J\xaa\x1b\n\x06\x12\x04\
     \0\0`\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\x08\n\x01\x02\x12\x03\x02\
     \x08\x14\n\t\n\x02\x03\0\x12\x03\x04\x07\x15\n\t\n\x02\x03\x01\x12\x03\
     \x05\x07\x16\n\t\n\x02\x03\x02\x12\x03\x06\x07\x16\n\t\n\x02\x03\x03\x12\
diff --git a/src/kvrpcpb.rs b/src/kvrpcpb.rs
index 79168ed35..1ce21304d 100644
--- a/src/kvrpcpb.rs
+++ b/src/kvrpcpb.rs
@@ -18389,8 +18389,8 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \x10\0\x12\x07\n\x03Low\x10\x01\x12\x08\n\x04High\x10\x02*\x20\n\x0eIsol\
     ationLevel\x12\x06\n\x02SI\x10\0\x12\x06\n\x02RC\x10\x01*.\n\x02Op\x12\
     \x07\n\x03Put\x10\0\x12\x07\n\x03Del\x10\x01\x12\x08\n\x04Lock\x10\x02\
-    \x12\x0c\n\x08Rollback\x10\x03B\x1e\n\x10org.tikv.kvproto\xe0\xe2\x1e\
-    \x01\xd0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xa5\x9a\x01\n\x07\x12\x05\0\0\xcb\
+    \x12\x0c\n\x08Rollback\x10\x03B\x1e\n\x10org.tikv.kvproto\xd0\xe2\x1e\
+    \x01\xe0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xa5\x9a\x01\n\x07\x12\x05\0\0\xcb\
     \x03\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\x08\n\x01\x02\x12\x03\x01\x08\
     \x0f\n\t\n\x02\x03\0\x12\x03\x03\x07\x15\n\t\n\x02\x03\x01\x12\x03\x04\
     \x07\x16\n\t\n\x02\x03\x02\x12\x03\x05\x07\x1d\n\x08\n\x01\x08\x12\x03\
diff --git a/src/lib.rs b/src/lib.rs
index adc01a331..9395a9edb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,18 +6,18 @@ extern crate raft;
 use raft::eraftpb;
 
 pub mod coprocessor;
-pub mod debugpb;
 pub mod debugpb_grpc;
+pub mod debugpb;
 pub mod errorpb;
-pub mod import_kvpb;
 pub mod import_kvpb_grpc;
-pub mod import_sstpb;
+pub mod import_kvpb;
 pub mod import_sstpb_grpc;
+pub mod import_sstpb;
 pub mod kvrpcpb;
 pub mod metapb;
-pub mod pdpb;
 pub mod pdpb_grpc;
+pub mod pdpb;
 pub mod raft_cmdpb;
 pub mod raft_serverpb;
-pub mod tikvpb;
 pub mod tikvpb_grpc;
+pub mod tikvpb;
diff --git a/src/metapb.rs b/src/metapb.rs
index 4c62b55fa..e75817b09 100644
--- a/src/metapb.rs
+++ b/src/metapb.rs
@@ -1577,8 +1577,8 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \x12\x0e\n\x02id\x18\x01\x20\x01(\x04R\x02id\x12\x19\n\x08store_id\x18\
     \x02\x20\x01(\x04R\x07storeId\x12\x1d\n\nis_learner\x18\x03\x20\x01(\x08\
     R\tisLearner*0\n\nStoreState\x12\x06\n\x02Up\x10\0\x12\x0b\n\x07Offline\
-    \x10\x01\x12\r\n\tTombstone\x10\x02B\x1e\n\x10org.tikv.kvproto\xe0\xe2\
-    \x1e\x01\xc8\xe2\x1e\x01\xd0\xe2\x1e\x01J\xa9\x12\n\x06\x12\x04\0\0<\x01\
+    \x10\x01\x12\r\n\tTombstone\x10\x02B\x1e\n\x10org.tikv.kvproto\xd0\xe2\
+    \x1e\x01\xe0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xa9\x12\n\x06\x12\x04\0\0<\x01\
     \n\x08\n\x01\x0c\x12\x03\0\0\x12\n\x08\n\x01\x02\x12\x03\x01\x08\x0e\n\t\
     \n\x02\x03\0\x12\x03\x03\x07\x1d\n\x08\n\x01\x08\x12\x03\x05\0(\n\x0b\n\
     \x04\x08\xe7\x07\0\x12\x03\x05\0(\n\x0c\n\x05\x08\xe7\x07\0\x02\x12\x03\
diff --git a/src/tikvpb.rs b/src/tikvpb.rs
index c4f4d8932..762cfaa85 100644
--- a/src/tikvpb.rs
+++ b/src/tikvpb.rs
@@ -4365,7 +4365,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     \x12\x20.kvrpcpb.MvccGetByStartTsRequest\x1a!.kvrpcpb.MvccGetByStartTsRe\
     sponse\"\0\x12R\n\rBatchCommands\x12\x1c.tikvpb.BatchCommandsRequest\x1a\
     \x1d.tikvpb.BatchCommandsResponse\"\0(\x010\x01B\x1e\n\x10org.tikv.kvpro\
-    to\xe0\xe2\x1e\x01\xd0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xa6.\n\x07\x12\x05\0\
+    to\xd0\xe2\x1e\x01\xe0\xe2\x1e\x01\xc8\xe2\x1e\x01J\xa6.\n\x07\x12\x05\0\
     \0\x88\x01\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\x08\n\x01\x02\x12\x03\
     \x01\x08\x0e\n\t\n\x02\x03\0\x12\x03\x03\x07\x1a\n\t\n\x02\x03\x01\x12\
     \x03\x04\x07\x16\n\t\n\x02\x03\x02\x12\x03\x05\x07\x1c\n\t\n\x02\x03\x03\