diff --git a/utils/typeconv.go b/utils/typeconv.go
index 988dd512..211aa83c 100644
--- a/utils/typeconv.go
+++ b/utils/typeconv.go
@@ -171,6 +171,14 @@ func Str2Int64(str string) int64 {
 	return retVal
 }
 
+func Str2Float64WithDefault(str string, defValue float64) float64 {
+	retVal, err := strconv.ParseFloat(str, 64)
+	if err != nil {
+		retVal = defValue
+	}
+	return retVal
+}
+
 func Str2Float64(str string) float64 {
 	retVal, err := strconv.ParseFloat(str, 64)
 	if err != nil {