diff --git a/modules/extent.go b/modules/extent.go
index 843f1cf..6747cff 100644
--- a/modules/extent.go
+++ b/modules/extent.go
@@ -371,7 +371,7 @@ func MakeRsi(cr *core.Core, cl *core.Candle, count int, makeStock bool) (error,
 	// amountLast := float64(0)
 	// ct := float64(0)
 	if len(cdl.List) < 2*count {
-		err = errors.New("sortedSet长度不足:" + ToString(len(cdl.List)) + " ,无法进行rsi计算")
+		err = errors.New("sortedSet长度不足, 实际长度：" + ToString(len(cdl.List)) + "需要长度：" + ToString(count) + " , 无法进行rsi计算," + " setName:" + setName)
 		return err, 0
 	}
 	cdl.RecursiveBubbleS(len(cdl.List), "asc")