diff --git a/pkg/cmd/backtest.go b/pkg/cmd/backtest.go
index ae0dd9b1a..17cef4de4 100644
--- a/pkg/cmd/backtest.go
+++ b/pkg/cmd/backtest.go
@@ -600,7 +600,7 @@ func createSymbolReport(userConfig *bbgo.Config, session *bbgo.ExchangeSession,
 
 func verify(userConfig *bbgo.Config, backtestService *service.BacktestService, sourceExchanges map[types.ExchangeName]types.Exchange, startTime time.Time, verboseCnt int) error {
 	for _, sourceExchange := range sourceExchanges {
-		err := backtestService.Verify(userConfig.Backtest.Symbols, startTime, time.Now(), sourceExchange, verboseCnt)
+		err := backtestService.Verify(sourceExchange, userConfig.Backtest.Symbols, startTime, time.Now())
 		if err != nil {
 			return err
 		}
diff --git a/pkg/service/backtest.go b/pkg/service/backtest.go
index 5363888e5..ed65b02df 100644
--- a/pkg/service/backtest.go
+++ b/pkg/service/backtest.go
@@ -62,11 +62,11 @@ func (s *BacktestService) SyncKLineByInterval(ctx context.Context, exchange type
 	return nil
 }
 
-func (s *BacktestService) Verify(symbols []string, startTime time.Time, endTime time.Time, sourceExchange types.Exchange, verboseCnt int) error {
+func (s *BacktestService) Verify(sourceExchange types.Exchange, symbols []string, startTime time.Time, endTime time.Time) error {
 	var corruptCnt = 0
 	for _, symbol := range symbols {
 		for interval := range types.SupportedIntervals {
-			log.Infof("verifying %s %s backtesting data...", symbol, interval)
+			log.Infof("verifying %s %s backtesting data: %s to %s...", symbol, interval, startTime, endTime)
 
 			timeRanges, err := s.FindMissingTimeRanges(context.Background(), sourceExchange, symbol, interval, startTime, endTime)
 			if err != nil {