diff --git a/pkg/bbgo/exit_trailing_stop.go b/pkg/bbgo/exit_trailing_stop.go
index adfc28ae4..a46024c34 100644
--- a/pkg/bbgo/exit_trailing_stop.go
+++ b/pkg/bbgo/exit_trailing_stop.go
@@ -101,7 +101,7 @@ func (s *TrailingStop2) checkStopPrice(price fixedpoint.Value, position *types.P
 		// check if we have the minimal profit
 		roi := position.ROI(price)
 		if roi.Compare(s.MinProfit) >= 0 {
-			Notify("[trailingStop] activated: %s ROI %s > minimal profit ratio %f", s.Symbol, roi.Percentage(), s.MinProfit.Float64())
+			Notify("[trailingStop] activated: %s ROI %s > minimal profit ratio %s", s.Symbol, roi.Percentage(), s.MinProfit.Percentage())
 			s.activated = true
 		}
 	} else if !s.ActivationRatio.IsZero() {