diff --git a/pkg/pb/bbgo.pb.go b/pkg/pb/bbgo.pb.go
index 7166a0733..7cc7a2337 100644
--- a/pkg/pb/bbgo.pb.go
+++ b/pkg/pb/bbgo.pb.go
@@ -74,7 +74,7 @@ type Subscription struct {
 
 	Exchange string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
 	Channel  string `protobuf:"bytes,2,opt,name=channel,proto3" json:"channel,omitempty"` // book, trade, ticker
-	Market   string `protobuf:"bytes,3,opt,name=market,proto3" json:"market,omitempty"`
+	Symbol   string `protobuf:"bytes,3,opt,name=symbol,proto3" json:"symbol,omitempty"`
 	Depth    int64  `protobuf:"varint,4,opt,name=depth,proto3" json:"depth,omitempty"`
 }
 
@@ -124,9 +124,9 @@ func (x *Subscription) GetChannel() string {
 	return ""
 }
 
-func (x *Subscription) GetMarket() string {
+func (x *Subscription) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -193,7 +193,7 @@ type SuccessResponse struct {
 	Exchange  string         `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
 	Channel   string         `protobuf:"bytes,2,opt,name=channel,proto3" json:"channel,omitempty"` // book, trade, ticker, user
 	Event     string         `protobuf:"bytes,3,opt,name=event,proto3" json:"event,omitempty"`     // snapshot, update, order_snapshot, ...
-	Market    string         `protobuf:"bytes,4,opt,name=market,proto3" json:"market,omitempty"`
+	Symbol    string         `protobuf:"bytes,4,opt,name=symbol,proto3" json:"symbol,omitempty"`
 	Asks      []*PriceVolume `protobuf:"bytes,5,rep,name=asks,proto3" json:"asks,omitempty"`
 	Bids      []*PriceVolume `protobuf:"bytes,6,rep,name=bids,proto3" json:"bids,omitempty"`
 	Trades    []*Trade       `protobuf:"bytes,7,rep,name=trades,proto3" json:"trades,omitempty"`
@@ -256,9 +256,9 @@ func (x *SuccessResponse) GetEvent() string {
 	return ""
 }
 
-func (x *SuccessResponse) GetMarket() string {
+func (x *SuccessResponse) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -377,7 +377,7 @@ type Trade struct {
 	Id          int64   `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"` // trade id
 	Price       float64 `protobuf:"fixed64,2,opt,name=price,proto3" json:"price,omitempty"`
 	Volume      float64 `protobuf:"fixed64,3,opt,name=volume,proto3" json:"volume,omitempty"`
-	Market      string  `protobuf:"bytes,4,opt,name=market,proto3" json:"market,omitempty"`
+	Symbol      string  `protobuf:"bytes,4,opt,name=symbol,proto3" json:"symbol,omitempty"`
 	CreatedAt   int64   `protobuf:"varint,5,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
 	Side        string  `protobuf:"bytes,6,opt,name=side,proto3" json:"side,omitempty"`
 	Fee         float64 `protobuf:"fixed64,7,opt,name=fee,proto3" json:"fee,omitempty"`
@@ -439,9 +439,9 @@ func (x *Trade) GetVolume() float64 {
 	return 0
 }
 
-func (x *Trade) GetMarket() string {
+func (x *Trade) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -574,21 +574,21 @@ type Order struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id              int64   `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
-	Side            string  `protobuf:"bytes,2,opt,name=side,proto3" json:"side,omitempty"`
-	OrderType       string  `protobuf:"bytes,3,opt,name=order_type,json=orderType,proto3" json:"order_type,omitempty"` // limit, ...
-	Price           float64 `protobuf:"fixed64,4,opt,name=price,proto3" json:"price,omitempty"`
-	StopPrice       float64 `protobuf:"fixed64,5,opt,name=stop_price,json=stopPrice,proto3" json:"stop_price,omitempty"`
-	AvgPrice        float64 `protobuf:"fixed64,6,opt,name=avg_price,json=avgPrice,proto3" json:"avg_price,omitempty"`
-	State           string  `protobuf:"bytes,7,opt,name=state,proto3" json:"state,omitempty"`
-	Market          string  `protobuf:"bytes,8,opt,name=market,proto3" json:"market,omitempty"`
-	CreatedAt       int64   `protobuf:"varint,9,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
-	Volume          float64 `protobuf:"fixed64,10,opt,name=volume,proto3" json:"volume,omitempty"`
-	RemainingVolume float64 `protobuf:"fixed64,11,opt,name=remaining_volume,json=remainingVolume,proto3" json:"remaining_volume,omitempty"`
-	ExecutedVolume  float64 `protobuf:"fixed64,12,opt,name=executed_volume,json=executedVolume,proto3" json:"executed_volume,omitempty"`
-	TradesCount     int64   `protobuf:"varint,13,opt,name=trades_count,json=tradesCount,proto3" json:"trades_count,omitempty"`
-	ClientOid       int64   `protobuf:"varint,14,opt,name=client_oid,json=clientOid,proto3" json:"client_oid,omitempty"`
-	GroupId         int64   `protobuf:"varint,15,opt,name=group_id,json=groupId,proto3" json:"group_id,omitempty"`
+	Exchange       string  `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
+	Id             int64   `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
+	Side           string  `protobuf:"bytes,3,opt,name=side,proto3" json:"side,omitempty"`
+	OrderType      string  `protobuf:"bytes,4,opt,name=order_type,json=orderType,proto3" json:"order_type,omitempty"`
+	Price          float64 `protobuf:"fixed64,5,opt,name=price,proto3" json:"price,omitempty"`
+	StopPrice      float64 `protobuf:"fixed64,6,opt,name=stop_price,json=stopPrice,proto3" json:"stop_price,omitempty"`
+	AvgPrice       float64 `protobuf:"fixed64,7,opt,name=avg_price,json=avgPrice,proto3" json:"avg_price,omitempty"`
+	Status         string  `protobuf:"bytes,8,opt,name=status,proto3" json:"status,omitempty"`
+	Symbol         string  `protobuf:"bytes,9,opt,name=symbol,proto3" json:"symbol,omitempty"`
+	CreatedAt      int64   `protobuf:"varint,10,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
+	Quantity       float64 `protobuf:"fixed64,11,opt,name=quantity,proto3" json:"quantity,omitempty"`
+	ExecutedVolume float64 `protobuf:"fixed64,12,opt,name=executed_volume,json=executedVolume,proto3" json:"executed_volume,omitempty"`
+	TradesCount    int64   `protobuf:"varint,13,opt,name=trades_count,json=tradesCount,proto3" json:"trades_count,omitempty"`
+	ClientOrderId  int64   `protobuf:"varint,14,opt,name=client_order_id,json=clientOrderId,proto3" json:"client_order_id,omitempty"`
+	GroupId        int64   `protobuf:"varint,15,opt,name=group_id,json=groupId,proto3" json:"group_id,omitempty"`
 }
 
 func (x *Order) Reset() {
@@ -623,6 +623,13 @@ func (*Order) Descriptor() ([]byte, []int) {
 	return file_bbgo_proto_rawDescGZIP(), []int{7}
 }
 
+func (x *Order) GetExchange() string {
+	if x != nil {
+		return x.Exchange
+	}
+	return ""
+}
+
 func (x *Order) GetId() int64 {
 	if x != nil {
 		return x.Id
@@ -665,16 +672,16 @@ func (x *Order) GetAvgPrice() float64 {
 	return 0
 }
 
-func (x *Order) GetState() string {
+func (x *Order) GetStatus() string {
 	if x != nil {
-		return x.State
+		return x.Status
 	}
 	return ""
 }
 
-func (x *Order) GetMarket() string {
+func (x *Order) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -686,16 +693,9 @@ func (x *Order) GetCreatedAt() int64 {
 	return 0
 }
 
-func (x *Order) GetVolume() float64 {
+func (x *Order) GetQuantity() float64 {
 	if x != nil {
-		return x.Volume
-	}
-	return 0
-}
-
-func (x *Order) GetRemainingVolume() float64 {
-	if x != nil {
-		return x.RemainingVolume
+		return x.Quantity
 	}
 	return 0
 }
@@ -714,9 +714,9 @@ func (x *Order) GetTradesCount() int64 {
 	return 0
 }
 
-func (x *Order) GetClientOid() int64 {
+func (x *Order) GetClientOrderId() int64 {
 	if x != nil {
-		return x.ClientOid
+		return x.ClientOrderId
 	}
 	return 0
 }
@@ -728,6 +728,117 @@ func (x *Order) GetGroupId() int64 {
 	return 0
 }
 
+type SubmitOrder struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Exchange      string  `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
+	Symbol        string  `protobuf:"bytes,2,opt,name=symbol,proto3" json:"symbol,omitempty"`
+	Side          string  `protobuf:"bytes,3,opt,name=side,proto3" json:"side,omitempty"`
+	Quantity      float64 `protobuf:"fixed64,4,opt,name=quantity,proto3" json:"quantity,omitempty"`
+	Price         float64 `protobuf:"fixed64,5,opt,name=price,proto3" json:"price,omitempty"`
+	StopPrice     float64 `protobuf:"fixed64,6,opt,name=stop_price,json=stopPrice,proto3" json:"stop_price,omitempty"`
+	OrderType     string  `protobuf:"bytes,7,opt,name=order_type,json=orderType,proto3" json:"order_type,omitempty"`
+	ClientOrderId int64   `protobuf:"varint,8,opt,name=client_order_id,json=clientOrderId,proto3" json:"client_order_id,omitempty"`
+	GroupId       int64   `protobuf:"varint,9,opt,name=group_id,json=groupId,proto3" json:"group_id,omitempty"`
+}
+
+func (x *SubmitOrder) Reset() {
+	*x = SubmitOrder{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bbgo_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitOrder) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitOrder) ProtoMessage() {}
+
+func (x *SubmitOrder) ProtoReflect() protoreflect.Message {
+	mi := &file_bbgo_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubmitOrder.ProtoReflect.Descriptor instead.
+func (*SubmitOrder) Descriptor() ([]byte, []int) {
+	return file_bbgo_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *SubmitOrder) GetExchange() string {
+	if x != nil {
+		return x.Exchange
+	}
+	return ""
+}
+
+func (x *SubmitOrder) GetSymbol() string {
+	if x != nil {
+		return x.Symbol
+	}
+	return ""
+}
+
+func (x *SubmitOrder) GetSide() string {
+	if x != nil {
+		return x.Side
+	}
+	return ""
+}
+
+func (x *SubmitOrder) GetQuantity() float64 {
+	if x != nil {
+		return x.Quantity
+	}
+	return 0
+}
+
+func (x *SubmitOrder) GetPrice() float64 {
+	if x != nil {
+		return x.Price
+	}
+	return 0
+}
+
+func (x *SubmitOrder) GetStopPrice() float64 {
+	if x != nil {
+		return x.StopPrice
+	}
+	return 0
+}
+
+func (x *SubmitOrder) GetOrderType() string {
+	if x != nil {
+		return x.OrderType
+	}
+	return ""
+}
+
+func (x *SubmitOrder) GetClientOrderId() int64 {
+	if x != nil {
+		return x.ClientOrderId
+	}
+	return 0
+}
+
+func (x *SubmitOrder) GetGroupId() int64 {
+	if x != nil {
+		return x.GroupId
+	}
+	return 0
+}
+
 // https://maicoin.github.io/max-websocket-docs/#/private_channels?id=account-response
 type Balance struct {
 	state         protoimpl.MessageState
@@ -742,7 +853,7 @@ type Balance struct {
 func (x *Balance) Reset() {
 	*x = Balance{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[8]
+		mi := &file_bbgo_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -755,7 +866,7 @@ func (x *Balance) String() string {
 func (*Balance) ProtoMessage() {}
 
 func (x *Balance) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[8]
+	mi := &file_bbgo_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -768,7 +879,7 @@ func (x *Balance) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Balance.ProtoReflect.Descriptor instead.
 func (*Balance) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{8}
+	return file_bbgo_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *Balance) GetCurrency() string {
@@ -792,72 +903,16 @@ func (x *Balance) GetLocked() float64 {
 	return 0
 }
 
-type CreateOrderRequest struct {
+type SubmitOrderRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Exchange string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Order    *Order `protobuf:"bytes,2,opt,name=order,proto3" json:"order,omitempty"`
+	SubmitOrder *SubmitOrder `protobuf:"bytes,1,opt,name=submit_order,json=submitOrder,proto3" json:"submit_order,omitempty"`
 }
 
-func (x *CreateOrderRequest) Reset() {
-	*x = CreateOrderRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[9]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *CreateOrderRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*CreateOrderRequest) ProtoMessage() {}
-
-func (x *CreateOrderRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[9]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use CreateOrderRequest.ProtoReflect.Descriptor instead.
-func (*CreateOrderRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{9}
-}
-
-func (x *CreateOrderRequest) GetExchange() string {
-	if x != nil {
-		return x.Exchange
-	}
-	return ""
-}
-
-func (x *CreateOrderRequest) GetOrder() *Order {
-	if x != nil {
-		return x.Order
-	}
-	return nil
-}
-
-type CreateOrderResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Exchange string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Order    *Order `protobuf:"bytes,2,opt,name=order,proto3" json:"order,omitempty"`
-}
-
-func (x *CreateOrderResponse) Reset() {
-	*x = CreateOrderResponse{}
+func (x *SubmitOrderRequest) Reset() {
+	*x = SubmitOrderRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_bbgo_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -865,13 +920,13 @@ func (x *CreateOrderResponse) Reset() {
 	}
 }
 
-func (x *CreateOrderResponse) String() string {
+func (x *SubmitOrderRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*CreateOrderResponse) ProtoMessage() {}
+func (*SubmitOrderRequest) ProtoMessage() {}
 
-func (x *CreateOrderResponse) ProtoReflect() protoreflect.Message {
+func (x *SubmitOrderRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_bbgo_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -883,19 +938,67 @@ func (x *CreateOrderResponse) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use CreateOrderResponse.ProtoReflect.Descriptor instead.
-func (*CreateOrderResponse) Descriptor() ([]byte, []int) {
+// Deprecated: Use SubmitOrderRequest.ProtoReflect.Descriptor instead.
+func (*SubmitOrderRequest) Descriptor() ([]byte, []int) {
 	return file_bbgo_proto_rawDescGZIP(), []int{10}
 }
 
-func (x *CreateOrderResponse) GetExchange() string {
+func (x *SubmitOrderRequest) GetSubmitOrder() *SubmitOrder {
+	if x != nil {
+		return x.SubmitOrder
+	}
+	return nil
+}
+
+type SubmitOrderResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Exchange string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
+	Order    *Order `protobuf:"bytes,2,opt,name=order,proto3" json:"order,omitempty"`
+}
+
+func (x *SubmitOrderResponse) Reset() {
+	*x = SubmitOrderResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bbgo_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitOrderResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitOrderResponse) ProtoMessage() {}
+
+func (x *SubmitOrderResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_bbgo_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubmitOrderResponse.ProtoReflect.Descriptor instead.
+func (*SubmitOrderResponse) Descriptor() ([]byte, []int) {
+	return file_bbgo_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *SubmitOrderResponse) GetExchange() string {
 	if x != nil {
 		return x.Exchange
 	}
 	return ""
 }
 
-func (x *CreateOrderResponse) GetOrder() *Order {
+func (x *SubmitOrderResponse) GetOrder() *Order {
 	if x != nil {
 		return x.Order
 	}
@@ -907,15 +1010,15 @@ type CancelOrderRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Exchange  string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Id        int64  `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
-	ClientOid int64  `protobuf:"varint,3,opt,name=client_oid,json=clientOid,proto3" json:"client_oid,omitempty"`
+	Exchange      string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
+	Id            int64  `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
+	ClientOrderId int64  `protobuf:"varint,3,opt,name=client_order_id,json=clientOrderId,proto3" json:"client_order_id,omitempty"`
 }
 
 func (x *CancelOrderRequest) Reset() {
 	*x = CancelOrderRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[11]
+		mi := &file_bbgo_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -928,7 +1031,7 @@ func (x *CancelOrderRequest) String() string {
 func (*CancelOrderRequest) ProtoMessage() {}
 
 func (x *CancelOrderRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[11]
+	mi := &file_bbgo_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -941,7 +1044,7 @@ func (x *CancelOrderRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CancelOrderRequest.ProtoReflect.Descriptor instead.
 func (*CancelOrderRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{11}
+	return file_bbgo_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *CancelOrderRequest) GetExchange() string {
@@ -958,9 +1061,9 @@ func (x *CancelOrderRequest) GetId() int64 {
 	return 0
 }
 
-func (x *CancelOrderRequest) GetClientOid() int64 {
+func (x *CancelOrderRequest) GetClientOrderId() int64 {
 	if x != nil {
-		return x.ClientOid
+		return x.ClientOrderId
 	}
 	return 0
 }
@@ -978,7 +1081,7 @@ type CancelOrderResponse struct {
 func (x *CancelOrderResponse) Reset() {
 	*x = CancelOrderResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[12]
+		mi := &file_bbgo_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -991,7 +1094,7 @@ func (x *CancelOrderResponse) String() string {
 func (*CancelOrderResponse) ProtoMessage() {}
 
 func (x *CancelOrderResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[12]
+	mi := &file_bbgo_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1004,7 +1107,7 @@ func (x *CancelOrderResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CancelOrderResponse.ProtoReflect.Descriptor instead.
 func (*CancelOrderResponse) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{12}
+	return file_bbgo_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *CancelOrderResponse) GetExchange() string {
@@ -1033,15 +1136,14 @@ type QueryOrderRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Exchange  string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Id        int64  `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
-	ClientOid int64  `protobuf:"varint,3,opt,name=client_oid,json=clientOid,proto3" json:"client_oid,omitempty"`
+	Id            int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	ClientOrderId int64 `protobuf:"varint,2,opt,name=client_order_id,json=clientOrderId,proto3" json:"client_order_id,omitempty"`
 }
 
 func (x *QueryOrderRequest) Reset() {
 	*x = QueryOrderRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[13]
+		mi := &file_bbgo_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1054,7 +1156,7 @@ func (x *QueryOrderRequest) String() string {
 func (*QueryOrderRequest) ProtoMessage() {}
 
 func (x *QueryOrderRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[13]
+	mi := &file_bbgo_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1067,14 +1169,7 @@ func (x *QueryOrderRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryOrderRequest.ProtoReflect.Descriptor instead.
 func (*QueryOrderRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{13}
-}
-
-func (x *QueryOrderRequest) GetExchange() string {
-	if x != nil {
-		return x.Exchange
-	}
-	return ""
+	return file_bbgo_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *QueryOrderRequest) GetId() int64 {
@@ -1084,9 +1179,9 @@ func (x *QueryOrderRequest) GetId() int64 {
 	return 0
 }
 
-func (x *QueryOrderRequest) GetClientOid() int64 {
+func (x *QueryOrderRequest) GetClientOrderId() int64 {
 	if x != nil {
-		return x.ClientOid
+		return x.ClientOrderId
 	}
 	return 0
 }
@@ -1104,7 +1199,7 @@ type QueryOrderResponse struct {
 func (x *QueryOrderResponse) Reset() {
 	*x = QueryOrderResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[14]
+		mi := &file_bbgo_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1117,7 +1212,7 @@ func (x *QueryOrderResponse) String() string {
 func (*QueryOrderResponse) ProtoMessage() {}
 
 func (x *QueryOrderResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[14]
+	mi := &file_bbgo_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1130,7 +1225,7 @@ func (x *QueryOrderResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryOrderResponse.ProtoReflect.Descriptor instead.
 func (*QueryOrderResponse) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{14}
+	return file_bbgo_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *QueryOrderResponse) GetExchange() string {
@@ -1154,14 +1249,13 @@ func (x *QueryOrderResponse) GetStatusCode() int64 {
 	return 0
 }
 
-// https://max.maicoin.com/documents/api_list/v2#!/private/getApiV2Orders
 type QueryOrdersRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
 	Exchange   string   `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Market     string   `protobuf:"bytes,2,opt,name=market,proto3" json:"market,omitempty"`
+	Symbol     string   `protobuf:"bytes,2,opt,name=symbol,proto3" json:"symbol,omitempty"`
 	State      []string `protobuf:"bytes,3,rep,name=state,proto3" json:"state,omitempty"`
 	OrderBy    string   `protobuf:"bytes,4,opt,name=order_by,json=orderBy,proto3" json:"order_by,omitempty"`
 	GroupId    int64    `protobuf:"varint,5,opt,name=group_id,json=groupId,proto3" json:"group_id,omitempty"`
@@ -1174,7 +1268,7 @@ type QueryOrdersRequest struct {
 func (x *QueryOrdersRequest) Reset() {
 	*x = QueryOrdersRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[15]
+		mi := &file_bbgo_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1187,7 +1281,7 @@ func (x *QueryOrdersRequest) String() string {
 func (*QueryOrdersRequest) ProtoMessage() {}
 
 func (x *QueryOrdersRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[15]
+	mi := &file_bbgo_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1200,7 +1294,7 @@ func (x *QueryOrdersRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryOrdersRequest.ProtoReflect.Descriptor instead.
 func (*QueryOrdersRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{15}
+	return file_bbgo_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *QueryOrdersRequest) GetExchange() string {
@@ -1210,9 +1304,9 @@ func (x *QueryOrdersRequest) GetExchange() string {
 	return ""
 }
 
-func (x *QueryOrdersRequest) GetMarket() string {
+func (x *QueryOrdersRequest) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -1279,7 +1373,7 @@ type QueryOrdersResponse struct {
 func (x *QueryOrdersResponse) Reset() {
 	*x = QueryOrdersResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[16]
+		mi := &file_bbgo_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1292,7 +1386,7 @@ func (x *QueryOrdersResponse) String() string {
 func (*QueryOrdersResponse) ProtoMessage() {}
 
 func (x *QueryOrdersResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[16]
+	mi := &file_bbgo_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1305,7 +1399,7 @@ func (x *QueryOrdersResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryOrdersResponse.ProtoReflect.Descriptor instead.
 func (*QueryOrdersResponse) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{16}
+	return file_bbgo_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *QueryOrdersResponse) GetExchange() string {
@@ -1335,7 +1429,7 @@ type QueryTradesRequest struct {
 	unknownFields protoimpl.UnknownFields
 
 	Exchange   string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Market     string `protobuf:"bytes,2,opt,name=market,proto3" json:"market,omitempty"`
+	Symbol     string `protobuf:"bytes,2,opt,name=symbol,proto3" json:"symbol,omitempty"`
 	Timestamp  int64  `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	From       int64  `protobuf:"varint,4,opt,name=from,proto3" json:"from,omitempty"`
 	To         int64  `protobuf:"varint,5,opt,name=to,proto3" json:"to,omitempty"`
@@ -1349,7 +1443,7 @@ type QueryTradesRequest struct {
 func (x *QueryTradesRequest) Reset() {
 	*x = QueryTradesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[17]
+		mi := &file_bbgo_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1362,7 +1456,7 @@ func (x *QueryTradesRequest) String() string {
 func (*QueryTradesRequest) ProtoMessage() {}
 
 func (x *QueryTradesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[17]
+	mi := &file_bbgo_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1375,7 +1469,7 @@ func (x *QueryTradesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryTradesRequest.ProtoReflect.Descriptor instead.
 func (*QueryTradesRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{17}
+	return file_bbgo_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *QueryTradesRequest) GetExchange() string {
@@ -1385,9 +1479,9 @@ func (x *QueryTradesRequest) GetExchange() string {
 	return ""
 }
 
-func (x *QueryTradesRequest) GetMarket() string {
+func (x *QueryTradesRequest) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
@@ -1461,7 +1555,7 @@ type QueryTradesResponse struct {
 func (x *QueryTradesResponse) Reset() {
 	*x = QueryTradesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[18]
+		mi := &file_bbgo_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1474,7 +1568,7 @@ func (x *QueryTradesResponse) String() string {
 func (*QueryTradesResponse) ProtoMessage() {}
 
 func (x *QueryTradesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[18]
+	mi := &file_bbgo_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1487,7 +1581,7 @@ func (x *QueryTradesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryTradesResponse.ProtoReflect.Descriptor instead.
 func (*QueryTradesResponse) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{18}
+	return file_bbgo_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *QueryTradesResponse) GetExchange() string {
@@ -1511,36 +1605,35 @@ func (x *QueryTradesResponse) GetStatusCode() int64 {
 	return 0
 }
 
-// https://max.maicoin.com/documents/api_list/v2#!/public/getApiV2K
-type QueryKlinesRequest struct {
+type QueryKLinesRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
 	Exchange  string `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Market    string `protobuf:"bytes,2,opt,name=market,proto3" json:"market,omitempty"`
-	Int64     int64  `protobuf:"varint,3,opt,name=int64,proto3" json:"int64,omitempty"`
-	Period    int64  `protobuf:"varint,4,opt,name=period,proto3" json:"period,omitempty"` // time period of K line in minute
+	Symbol    string `protobuf:"bytes,2,opt,name=symbol,proto3" json:"symbol,omitempty"`
+	Limit     int64  `protobuf:"varint,3,opt,name=limit,proto3" json:"limit,omitempty"`
+	Interval  int64  `protobuf:"varint,4,opt,name=interval,proto3" json:"interval,omitempty"` // time period of K line in minute
 	Timestamp int64  `protobuf:"varint,5,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 }
 
-func (x *QueryKlinesRequest) Reset() {
-	*x = QueryKlinesRequest{}
+func (x *QueryKLinesRequest) Reset() {
+	*x = QueryKLinesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[19]
+		mi := &file_bbgo_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 
-func (x *QueryKlinesRequest) String() string {
+func (x *QueryKLinesRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*QueryKlinesRequest) ProtoMessage() {}
+func (*QueryKLinesRequest) ProtoMessage() {}
 
-func (x *QueryKlinesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[19]
+func (x *QueryKLinesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bbgo_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1551,40 +1644,40 @@ func (x *QueryKlinesRequest) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use QueryKlinesRequest.ProtoReflect.Descriptor instead.
-func (*QueryKlinesRequest) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{19}
+// Deprecated: Use QueryKLinesRequest.ProtoReflect.Descriptor instead.
+func (*QueryKLinesRequest) Descriptor() ([]byte, []int) {
+	return file_bbgo_proto_rawDescGZIP(), []int{20}
 }
 
-func (x *QueryKlinesRequest) GetExchange() string {
+func (x *QueryKLinesRequest) GetExchange() string {
 	if x != nil {
 		return x.Exchange
 	}
 	return ""
 }
 
-func (x *QueryKlinesRequest) GetMarket() string {
+func (x *QueryKLinesRequest) GetSymbol() string {
 	if x != nil {
-		return x.Market
+		return x.Symbol
 	}
 	return ""
 }
 
-func (x *QueryKlinesRequest) GetInt64() int64 {
+func (x *QueryKLinesRequest) GetLimit() int64 {
 	if x != nil {
-		return x.Int64
+		return x.Limit
 	}
 	return 0
 }
 
-func (x *QueryKlinesRequest) GetPeriod() int64 {
+func (x *QueryKLinesRequest) GetInterval() int64 {
 	if x != nil {
-		return x.Period
+		return x.Interval
 	}
 	return 0
 }
 
-func (x *QueryKlinesRequest) GetTimestamp() int64 {
+func (x *QueryKLinesRequest) GetTimestamp() int64 {
 	if x != nil {
 		return x.Timestamp
 	}
@@ -1596,15 +1689,14 @@ type QueryKLinesResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Exchange   string   `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
-	Klines     []*KLine `protobuf:"bytes,2,rep,name=klines,proto3" json:"klines,omitempty"`
-	StatusCode int64    `protobuf:"varint,3,opt,name=status_code,json=statusCode,proto3" json:"status_code,omitempty"`
+	Klines     []*KLine `protobuf:"bytes,1,rep,name=klines,proto3" json:"klines,omitempty"`
+	StatusCode int64    `protobuf:"varint,2,opt,name=status_code,json=statusCode,proto3" json:"status_code,omitempty"`
 }
 
 func (x *QueryKLinesResponse) Reset() {
 	*x = QueryKLinesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[20]
+		mi := &file_bbgo_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1617,7 +1709,7 @@ func (x *QueryKLinesResponse) String() string {
 func (*QueryKLinesResponse) ProtoMessage() {}
 
 func (x *QueryKLinesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[20]
+	mi := &file_bbgo_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1630,14 +1722,7 @@ func (x *QueryKLinesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryKLinesResponse.ProtoReflect.Descriptor instead.
 func (*QueryKLinesResponse) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{20}
-}
-
-func (x *QueryKLinesResponse) GetExchange() string {
-	if x != nil {
-		return x.Exchange
-	}
-	return ""
+	return file_bbgo_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *QueryKLinesResponse) GetKlines() []*KLine {
@@ -1659,17 +1744,21 @@ type KLine struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Timestamp int64   `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
-	Open      float64 `protobuf:"fixed64,2,opt,name=open,proto3" json:"open,omitempty"`
-	High      float64 `protobuf:"fixed64,3,opt,name=high,proto3" json:"high,omitempty"`
-	Low       float64 `protobuf:"fixed64,4,opt,name=low,proto3" json:"low,omitempty"`
-	Close     float64 `protobuf:"fixed64,5,opt,name=close,proto3" json:"close,omitempty"`
+	Exchange    string  `protobuf:"bytes,1,opt,name=exchange,proto3" json:"exchange,omitempty"`
+	Symbol      string  `protobuf:"bytes,2,opt,name=symbol,proto3" json:"symbol,omitempty"`
+	Timestamp   int64   `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	Open        float64 `protobuf:"fixed64,4,opt,name=open,proto3" json:"open,omitempty"`
+	High        float64 `protobuf:"fixed64,5,opt,name=high,proto3" json:"high,omitempty"`
+	Low         float64 `protobuf:"fixed64,6,opt,name=low,proto3" json:"low,omitempty"`
+	Close       float64 `protobuf:"fixed64,7,opt,name=close,proto3" json:"close,omitempty"`
+	Volume      float64 `protobuf:"fixed64,8,opt,name=volume,proto3" json:"volume,omitempty"`
+	QuoteVolume float64 `protobuf:"fixed64,9,opt,name=quote_volume,json=quoteVolume,proto3" json:"quote_volume,omitempty"`
 }
 
 func (x *KLine) Reset() {
 	*x = KLine{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_bbgo_proto_msgTypes[21]
+		mi := &file_bbgo_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1682,7 +1771,7 @@ func (x *KLine) String() string {
 func (*KLine) ProtoMessage() {}
 
 func (x *KLine) ProtoReflect() protoreflect.Message {
-	mi := &file_bbgo_proto_msgTypes[21]
+	mi := &file_bbgo_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1695,7 +1784,21 @@ func (x *KLine) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KLine.ProtoReflect.Descriptor instead.
 func (*KLine) Descriptor() ([]byte, []int) {
-	return file_bbgo_proto_rawDescGZIP(), []int{21}
+	return file_bbgo_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *KLine) GetExchange() string {
+	if x != nil {
+		return x.Exchange
+	}
+	return ""
+}
+
+func (x *KLine) GetSymbol() string {
+	if x != nil {
+		return x.Symbol
+	}
+	return ""
 }
 
 func (x *KLine) GetTimestamp() int64 {
@@ -1733,6 +1836,20 @@ func (x *KLine) GetClose() float64 {
 	return 0
 }
 
+func (x *KLine) GetVolume() float64 {
+	if x != nil {
+		return x.Volume
+	}
+	return 0
+}
+
+func (x *KLine) GetQuoteVolume() float64 {
+	if x != nil {
+		return x.QuoteVolume
+	}
+	return 0
+}
+
 var File_bbgo_proto protoreflect.FileDescriptor
 
 var file_bbgo_proto_rawDesc = []byte{
@@ -1746,8 +1863,8 @@ var file_bbgo_proto_rawDesc = []byte{
 	0x65, 0x78, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08,
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+	0x65, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x79, 0x6d, 0x62, 0x6f, 0x6c, 0x18, 0x03, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x06, 0x73, 0x79, 0x6d, 0x62, 0x6f, 0x6c, 0x12, 0x14, 0x0a, 0x05, 0x64, 0x65,
 	0x70, 0x74, 0x68, 0x18, 0x04, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05, 0x64, 0x65, 0x70, 0x74, 0x68,
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@@ -1760,8 +1877,8 @@ var file_bbgo_proto_rawDesc = []byte{
 	0x78, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x63, 0x68, 0x61, 0x6e, 0x6e,
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@@ -1786,8 +1903,8 @@ var file_bbgo_proto_rawDesc = []byte{
 	0x69, 0x64, 0x12, 0x14, 0x0a, 0x05, 0x70, 0x72, 0x69, 0x63, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
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@@ -1971,7 +2109,7 @@ var file_bbgo_proto_rawDesc = []byte{
 	0x65, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x70, 0x62, 0x2e, 0x51,
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@@ -1990,7 +2128,7 @@ func file_bbgo_proto_rawDescGZIP() []byte {
 	return file_bbgo_proto_rawDescData
 }
 
-var file_bbgo_proto_msgTypes = make([]protoimpl.MessageInfo, 22)
+var file_bbgo_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
 var file_bbgo_proto_goTypes = []interface{}{
 	(*SubscribeRequest)(nil),    // 0: pb.SubscribeRequest
 	(*Subscription)(nil),        // 1: pb.Subscription
@@ -2000,20 +2138,21 @@ var file_bbgo_proto_goTypes = []interface{}{
 	(*Trade)(nil),               // 5: pb.Trade
 	(*Ticker)(nil),              // 6: pb.Ticker
 	(*Order)(nil),               // 7: pb.Order
-	(*Balance)(nil),             // 8: pb.Balance
-	(*CreateOrderRequest)(nil),  // 9: pb.CreateOrderRequest
-	(*CreateOrderResponse)(nil), // 10: pb.CreateOrderResponse
-	(*CancelOrderRequest)(nil),  // 11: pb.CancelOrderRequest
-	(*CancelOrderResponse)(nil), // 12: pb.CancelOrderResponse
-	(*QueryOrderRequest)(nil),   // 13: pb.QueryOrderRequest
-	(*QueryOrderResponse)(nil),  // 14: pb.QueryOrderResponse
-	(*QueryOrdersRequest)(nil),  // 15: pb.QueryOrdersRequest
-	(*QueryOrdersResponse)(nil), // 16: pb.QueryOrdersResponse
-	(*QueryTradesRequest)(nil),  // 17: pb.QueryTradesRequest
-	(*QueryTradesResponse)(nil), // 18: pb.QueryTradesResponse
-	(*QueryKlinesRequest)(nil),  // 19: pb.QueryKlinesRequest
-	(*QueryKLinesResponse)(nil), // 20: pb.QueryKLinesResponse
-	(*KLine)(nil),               // 21: pb.KLine
+	(*SubmitOrder)(nil),         // 8: pb.SubmitOrder
+	(*Balance)(nil),             // 9: pb.Balance
+	(*SubmitOrderRequest)(nil),  // 10: pb.SubmitOrderRequest
+	(*SubmitOrderResponse)(nil), // 11: pb.SubmitOrderResponse
+	(*CancelOrderRequest)(nil),  // 12: pb.CancelOrderRequest
+	(*CancelOrderResponse)(nil), // 13: pb.CancelOrderResponse
+	(*QueryOrderRequest)(nil),   // 14: pb.QueryOrderRequest
+	(*QueryOrderResponse)(nil),  // 15: pb.QueryOrderResponse
+	(*QueryOrdersRequest)(nil),  // 16: pb.QueryOrdersRequest
+	(*QueryOrdersResponse)(nil), // 17: pb.QueryOrdersResponse
+	(*QueryTradesRequest)(nil),  // 18: pb.QueryTradesRequest
+	(*QueryTradesResponse)(nil), // 19: pb.QueryTradesResponse
+	(*QueryKLinesRequest)(nil),  // 20: pb.QueryKLinesRequest
+	(*QueryKLinesResponse)(nil), // 21: pb.QueryKLinesResponse
+	(*KLine)(nil),               // 22: pb.KLine
 }
 var file_bbgo_proto_depIdxs = []int32{
 	1,  // 0: pb.SubscribeRequest.subscriptions:type_name -> pb.Subscription
@@ -2023,28 +2162,28 @@ var file_bbgo_proto_depIdxs = []int32{
 	5,  // 4: pb.SuccessResponse.trades:type_name -> pb.Trade
 	6,  // 5: pb.SuccessResponse.ticker:type_name -> pb.Ticker
 	7,  // 6: pb.SuccessResponse.orders:type_name -> pb.Order
-	8,  // 7: pb.SuccessResponse.balances:type_name -> pb.Balance
-	7,  // 8: pb.CreateOrderRequest.order:type_name -> pb.Order
-	7,  // 9: pb.CreateOrderResponse.order:type_name -> pb.Order
+	9,  // 7: pb.SuccessResponse.balances:type_name -> pb.Balance
+	8,  // 8: pb.SubmitOrderRequest.submit_order:type_name -> pb.SubmitOrder
+	7,  // 9: pb.SubmitOrderResponse.order:type_name -> pb.Order
 	7,  // 10: pb.CancelOrderResponse.order:type_name -> pb.Order
 	7,  // 11: pb.QueryOrderResponse.order:type_name -> pb.Order
 	7,  // 12: pb.QueryOrdersResponse.orders:type_name -> pb.Order
 	5,  // 13: pb.QueryTradesResponse.trades:type_name -> pb.Trade
-	21, // 14: pb.QueryKLinesResponse.klines:type_name -> pb.KLine
+	22, // 14: pb.QueryKLinesResponse.klines:type_name -> pb.KLine
 	0,  // 15: pb.BBGO.Subcribe:input_type -> pb.SubscribeRequest
-	9,  // 16: pb.BBGO.CreateOrder:input_type -> pb.CreateOrderRequest
-	11, // 17: pb.BBGO.CancelOrder:input_type -> pb.CancelOrderRequest
-	13, // 18: pb.BBGO.QueryOrder:input_type -> pb.QueryOrderRequest
-	15, // 19: pb.BBGO.QueryOrders:input_type -> pb.QueryOrdersRequest
-	17, // 20: pb.BBGO.QueryTrades:input_type -> pb.QueryTradesRequest
-	19, // 21: pb.BBGO.QueryKLines:input_type -> pb.QueryKlinesRequest
+	10, // 16: pb.BBGO.SubmitOrder:input_type -> pb.SubmitOrderRequest
+	12, // 17: pb.BBGO.CancelOrder:input_type -> pb.CancelOrderRequest
+	14, // 18: pb.BBGO.QueryOrder:input_type -> pb.QueryOrderRequest
+	16, // 19: pb.BBGO.QueryOrders:input_type -> pb.QueryOrdersRequest
+	18, // 20: pb.BBGO.QueryTrades:input_type -> pb.QueryTradesRequest
+	20, // 21: pb.BBGO.QueryKLines:input_type -> pb.QueryKLinesRequest
 	2,  // 22: pb.BBGO.Subcribe:output_type -> pb.SubscribeResponse
-	10, // 23: pb.BBGO.CreateOrder:output_type -> pb.CreateOrderResponse
-	12, // 24: pb.BBGO.CancelOrder:output_type -> pb.CancelOrderResponse
-	14, // 25: pb.BBGO.QueryOrder:output_type -> pb.QueryOrderResponse
-	16, // 26: pb.BBGO.QueryOrders:output_type -> pb.QueryOrdersResponse
-	18, // 27: pb.BBGO.QueryTrades:output_type -> pb.QueryTradesResponse
-	20, // 28: pb.BBGO.QueryKLines:output_type -> pb.QueryKLinesResponse
+	11, // 23: pb.BBGO.SubmitOrder:output_type -> pb.SubmitOrderResponse
+	13, // 24: pb.BBGO.CancelOrder:output_type -> pb.CancelOrderResponse
+	15, // 25: pb.BBGO.QueryOrder:output_type -> pb.QueryOrderResponse
+	17, // 26: pb.BBGO.QueryOrders:output_type -> pb.QueryOrdersResponse
+	19, // 27: pb.BBGO.QueryTrades:output_type -> pb.QueryTradesResponse
+	21, // 28: pb.BBGO.QueryKLines:output_type -> pb.QueryKLinesResponse
 	22, // [22:29] is the sub-list for method output_type
 	15, // [15:22] is the sub-list for method input_type
 	15, // [15:15] is the sub-list for extension type_name
@@ -2155,7 +2294,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Balance); i {
+			switch v := v.(*SubmitOrder); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2167,7 +2306,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CreateOrderRequest); i {
+			switch v := v.(*Balance); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2179,7 +2318,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CreateOrderResponse); i {
+			switch v := v.(*SubmitOrderRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2191,7 +2330,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CancelOrderRequest); i {
+			switch v := v.(*SubmitOrderResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2203,7 +2342,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CancelOrderResponse); i {
+			switch v := v.(*CancelOrderRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2215,7 +2354,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryOrderRequest); i {
+			switch v := v.(*CancelOrderResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2227,7 +2366,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryOrderResponse); i {
+			switch v := v.(*QueryOrderRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2239,7 +2378,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryOrdersRequest); i {
+			switch v := v.(*QueryOrderResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2251,7 +2390,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryOrdersResponse); i {
+			switch v := v.(*QueryOrdersRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2263,7 +2402,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryTradesRequest); i {
+			switch v := v.(*QueryOrdersResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2275,7 +2414,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryTradesResponse); i {
+			switch v := v.(*QueryTradesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2287,7 +2426,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryKlinesRequest); i {
+			switch v := v.(*QueryTradesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2299,7 +2438,7 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryKLinesResponse); i {
+			switch v := v.(*QueryKLinesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2311,6 +2450,18 @@ func file_bbgo_proto_init() {
 			}
 		}
 		file_bbgo_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QueryKLinesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bbgo_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*KLine); i {
 			case 0:
 				return &v.state
@@ -2329,7 +2480,7 @@ func file_bbgo_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_bbgo_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   22,
+			NumMessages:   23,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/pkg/pb/bbgo.proto b/pkg/pb/bbgo.proto
index 2d77d4e9c..37387ccbc 100644
--- a/pkg/pb/bbgo.proto
+++ b/pkg/pb/bbgo.proto
@@ -9,12 +9,12 @@ service BBGO {
     rpc Subcribe(SubscribeRequest) returns (stream SubscribeResponse) {}
 
     // request-response
-    rpc CreateOrder(CreateOrderRequest) returns (CreateOrderResponse) {}
+    rpc SubmitOrder(SubmitOrderRequest) returns (SubmitOrderResponse) {}
     rpc CancelOrder(CancelOrderRequest) returns (CancelOrderResponse) {}
     rpc QueryOrder(QueryOrderRequest) returns (QueryOrderResponse) {}
     rpc QueryOrders(QueryOrdersRequest) returns (QueryOrdersResponse) {}
     rpc QueryTrades(QueryTradesRequest) returns (QueryTradesResponse) {}
-    rpc QueryKLines(QueryKlinesRequest) returns (QueryKLinesResponse) {}
+    rpc QueryKLines(QueryKLinesRequest) returns (QueryKLinesResponse) {}
 }
 
 message SubscribeRequest {
@@ -24,7 +24,7 @@ message SubscribeRequest {
 message Subscription {
     string exchange = 1;
     string channel = 2;  // book, trade, ticker
-    string market = 3;
+    string symbol = 3;
     int64 depth = 4;
 }
 
@@ -36,7 +36,7 @@ message SuccessResponse {
     string exchange = 1;
     string channel = 2;  // book, trade, ticker, user
     string event = 3;    // snapshot, update, order_snapshot, ...
-    string market = 4;
+    string symbol = 4;
     repeated PriceVolume asks = 5;
     repeated PriceVolume bids = 6;
     repeated Trade trades = 7;
@@ -57,7 +57,7 @@ message Trade {
     int64 id = 1;  // trade id
     double price = 2;
     double volume = 3;
-    string market = 4;
+    string symbol = 4;
     int64 created_at = 5;
     string side = 6;
     double fee = 7;
@@ -77,23 +77,35 @@ message Ticker {
 
 // https://maicoin.github.io/max-websocket-docs/#/private_channels?id=snapshot
 message Order {
-    int64 id = 1;
-    string side = 2;
-    string order_type = 3;  // limit, ...
-    double price = 4;
-    double stop_price = 5;
-    double avg_price = 6;
-    string state = 7;
-    string market = 8;
-    int64 created_at = 9;
-    double volume = 10;
-    double remaining_volume = 11;
+    string exchange = 1;
+    int64 id = 2;
+    string side = 3;
+    string order_type = 4;
+    double price = 5;
+    double stop_price = 6;
+    double avg_price = 7;
+    string status = 8;
+    string symbol = 9;
+    int64 created_at = 10;
+    double quantity = 11;
     double executed_volume = 12;
     int64 trades_count = 13;
-    int64 client_oid = 14;
+    int64 client_order_id = 14;
     int64 group_id = 15;
 }
 
+message SubmitOrder {
+    string exchange = 1;
+    string symbol = 2;
+    string side = 3;
+    double quantity = 4;
+    double price = 5;
+    double stop_price = 6;
+    string order_type = 7;
+    int64 client_order_id = 8;
+    int64 group_id = 9;
+}
+
 // https://maicoin.github.io/max-websocket-docs/#/private_channels?id=account-response
 message Balance {
     string currency = 1;
@@ -101,12 +113,11 @@ message Balance {
     double locked = 3;
 }
 
-message CreateOrderRequest {
-    string exchange = 1;
-    Order order = 2;
+message SubmitOrderRequest {
+    SubmitOrder submit_order = 1;
 }
 
-message CreateOrderResponse {
+message SubmitOrderResponse {
     string exchange = 1;
     Order order = 2;
 }
@@ -114,7 +125,7 @@ message CreateOrderResponse {
 message CancelOrderRequest {
     string exchange = 1;
     int64 id = 2;
-    int64 client_oid = 3;
+    int64 client_order_id = 3;
 }
 
 message CancelOrderResponse {
@@ -124,9 +135,8 @@ message CancelOrderResponse {
 }
 
 message QueryOrderRequest {
-    string exchange = 1;
-    int64 id = 2;
-    int64 client_oid = 3;
+    int64 id = 1;
+    int64 client_order_id = 2;
 }
 
 message QueryOrderResponse {
@@ -135,10 +145,9 @@ message QueryOrderResponse {
     int64 status_code = 3;
 }
 
-// https://max.maicoin.com/documents/api_list/v2#!/private/getApiV2Orders
 message QueryOrdersRequest {
     string exchange = 1;
-    string market = 2;
+    string symbol = 2;
     repeated string state = 3;
     string order_by = 4;
     int64 group_id = 5;
@@ -156,7 +165,7 @@ message QueryOrdersResponse {
 
 message QueryTradesRequest {
     string exchange = 1;
-    string market = 2;
+    string symbol = 2;
     int64 timestamp = 3;
     int64 from = 4;
     int64 to = 5;
@@ -173,25 +182,27 @@ message QueryTradesResponse {
     int64 status_code = 3;
 }
 
-// https://max.maicoin.com/documents/api_list/v2#!/public/getApiV2K
-message QueryKlinesRequest {
+message QueryKLinesRequest {
     string exchange = 1;
-    string market = 2;
-    int64 int64 = 3;
-    int64 period = 4;  // time period of K line in minute
+    string symbol = 2;
+    int64 limit = 3;
+    int64 interval = 4;  // time period of K line in minute
     int64 timestamp = 5;
 }
 
 message QueryKLinesResponse {
-    string exchange = 1;
-    repeated KLine klines = 2;
-    int64 status_code = 3;
+    repeated KLine klines = 1;
+    int64 status_code = 2;
 }
 
 message KLine {
-    int64 timestamp = 1;
-    double open = 2;
-    double high = 3;
-    double low = 4;
-    double close = 5;
+    string exchange = 1;
+    string symbol = 2;
+    int64 timestamp = 3;
+    double open = 4;
+    double high = 5;
+    double low = 6;
+    double close = 7;
+    double volume = 8;
+    double quote_volume = 9;
 }