diff --git a/pkg/bbgo/session.go b/pkg/bbgo/session.go
index 14cdf217e..22bcdc608 100644
--- a/pkg/bbgo/session.go
+++ b/pkg/bbgo/session.go
@@ -405,11 +405,7 @@ func (session *ExchangeSession) initSymbol(ctx context.Context, environ *Environ
 		return fmt.Errorf("market %s is not defined", symbol)
 	}
 
-	if environ == nil {
-		session.logger.Info("environment is nil")
-	} else {
-		session.logger.Infof("environment config: %+v", environ.environmentConfig)
-	}
+	session.logger.Infof("environment config: %+v", environ.environmentConfig)
 
 	disableMarketDataStore := environ.environmentConfig != nil && environ.environmentConfig.DisableMarketDataStore
 	disableSessionTradeBuffer := environ.environmentConfig != nil && environ.environmentConfig.DisableSessionTradeBuffer