diff --git a/pkg/bbgo/standard_indicator_set.go b/pkg/bbgo/standard_indicator_set.go
index 893ea7247..5df32a7b5 100644
--- a/pkg/bbgo/standard_indicator_set.go
+++ b/pkg/bbgo/standard_indicator_set.go
@@ -93,10 +93,15 @@ func (s *StandardIndicatorSet) ATRP(iw types.IntervalWindow) *indicator.ATRP {
 }
 
 func (s *StandardIndicatorSet) EMV(iw types.IntervalWindow) *indicator.EMV {
-	inc := s.allocateSimpleIndicator(&indicator.ATRP{IntervalWindow: iw}, iw)
+	inc := s.allocateSimpleIndicator(&indicator.EMV{IntervalWindow: iw}, iw)
 	return inc.(*indicator.EMV)
 }
 
+func (s *StandardIndicatorSet) CCI(iw types.IntervalWindow) *indicator.CCI {
+	inc := s.allocateSimpleIndicator(&indicator.CCI{IntervalWindow: iw}, iw)
+	return inc.(*indicator.CCI)
+}
+
 func (s *StandardIndicatorSet) STOCH(iw types.IntervalWindow) *indicator.STOCH {
 	inc, ok := s.stoch[iw]
 	if !ok {
diff --git a/pkg/indicator/cci.go b/pkg/indicator/cci.go
index d7165037a..6a75ff563 100644
--- a/pkg/indicator/cci.go
+++ b/pkg/indicator/cci.go
@@ -78,7 +78,6 @@ func (inc *CCI) Length() int {
 
 var _ types.SeriesExtend = &CCI{}
 
-
 func (inc *CCI) PushK(k types.KLine) {
 	inc.Update(k.High.Add(k.Low).Add(k.Close).Div(three).Float64())
 }