diff --git a/pkg/core/converter.go b/pkg/core/converter.go
index c29ccff8b..6f6578b08 100644
--- a/pkg/core/converter.go
+++ b/pkg/core/converter.go
@@ -5,6 +5,7 @@ import "github.com/c9s/bbgo/pkg/types"
 type Converter interface {
 	OrderConverter
 	TradeConverter
+	Initialize() error
 }
 
 // OrderConverter converts the order to another order
@@ -29,6 +30,10 @@ func NewDynamicConverter(orderConverter OrderConvertFunc, tradeConverter TradeCo
 	return &DynamicConverter{orderConverter: orderConverter, tradeConverter: tradeConverter}
 }
 
+func (c *DynamicConverter) Initialize() error {
+	return nil
+}
+
 func (c *DynamicConverter) ConvertOrder(order types.Order) (types.Order, error) {
 	return c.orderConverter(order)
 }
@@ -47,6 +52,10 @@ func NewSymbolConverter(fromSymbol, toSymbol string) *SymbolConverter {
 	return &SymbolConverter{FromSymbol: fromSymbol, ToSymbol: toSymbol}
 }
 
+func (c *SymbolConverter) Initialize() error {
+	return nil
+}
+
 func (c *SymbolConverter) ConvertOrder(order types.Order) (types.Order, error) {
 	if order.Symbol == c.FromSymbol {
 		order.Symbol = c.ToSymbol
diff --git a/pkg/strategy/xdepthmaker/strategy.go b/pkg/strategy/xdepthmaker/strategy.go
index 4a2623c4b..855de24ce 100644
--- a/pkg/strategy/xdepthmaker/strategy.go
+++ b/pkg/strategy/xdepthmaker/strategy.go
@@ -12,6 +12,7 @@ import (
 	"golang.org/x/time/rate"
 
 	"github.com/c9s/bbgo/pkg/bbgo"
+	"github.com/c9s/bbgo/pkg/core"
 	"github.com/c9s/bbgo/pkg/exchange/retry"
 	"github.com/c9s/bbgo/pkg/fixedpoint"
 	"github.com/c9s/bbgo/pkg/strategy/common"
@@ -147,6 +148,8 @@ func (s *CrossExchangeMarketMakingStrategy) Initialize(
 type Strategy struct {
 	*CrossExchangeMarketMakingStrategy
 
+	*core.ConverterManager
+
 	Environment *bbgo.Environment
 
 	Symbol string `json:"symbol"`