diff --git a/pkg/exchange/max/exchange.go b/pkg/exchange/max/exchange.go
index 983f92d09..d00790f37 100644
--- a/pkg/exchange/max/exchange.go
+++ b/pkg/exchange/max/exchange.go
@@ -8,13 +8,15 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
-	log "github.com/sirupsen/logrus"
+	"github.com/sirupsen/logrus"
 
 	maxapi "github.com/c9s/bbgo/pkg/exchange/max/maxapi"
 	"github.com/c9s/bbgo/pkg/types"
 	"github.com/c9s/bbgo/pkg/util"
 )
 
+var log = logrus.WithField("exchange", "max")
+
 type Exchange struct {
 	client      *maxapi.RestClient
 	key, secret string
diff --git a/pkg/exchange/max/stream.go b/pkg/exchange/max/stream.go
index 9f037fff1..ae57994a7 100644
--- a/pkg/exchange/max/stream.go
+++ b/pkg/exchange/max/stream.go
@@ -3,8 +3,6 @@ package max
 import (
 	"context"
 
-	log "github.com/sirupsen/logrus"
-
 	max "github.com/c9s/bbgo/pkg/exchange/max/maxapi"
 	"github.com/c9s/bbgo/pkg/types"
 )