diff --git a/go.mod b/go.mod
index 6af0ced..125db33 100644
--- a/go.mod
+++ b/go.mod
@@ -29,6 +29,7 @@ require (
 	github.com/natefinch/lumberjack v2.0.0+incompatible // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/uber/jaeger-client-go v2.30.0+incompatible // indirect
 	github.com/uber/jaeger-lib v2.4.1+incompatible // indirect
diff --git a/go.sum b/go.sum
index 48591d3..a2c710f 100644
--- a/go.sum
+++ b/go.sum
@@ -60,6 +60,8 @@ github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYr
 github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
 github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
+github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
diff --git a/lxutils.go b/lxutils.go
index 408deb5..235e0b4 100644
--- a/lxutils.go
+++ b/lxutils.go
@@ -1,7 +1,150 @@
 package lxutils
 
-import "fmt"
+import (
+	"fmt"
+	"github.com/bytedance/sonic"
+	"github.com/shopspring/decimal"
+	"strconv"
+	"strings"
+)
 
+type H = map[string]interface{}
+
+func Trim(str interface{}) string {
+	return strings.TrimSpace(fmt.Sprintf("%s", str))
+}
 func Aa() {
 	fmt.Println(123)
 }
+func LxMapStruct(v interface{}, v2 interface{}) (err error) {
+	resByre := []byte("")
+	switch v.(type) {
+	case string:
+		ft := v.(string)
+		resByre = []byte(ft)
+	default:
+		resByre, err = sonic.Marshal(v)
+		if err != nil {
+			return err
+		}
+	}
+	jsonRes := sonic.Unmarshal(resByre, v2)
+	if jsonRes != nil {
+		return jsonRes
+	}
+	return nil
+}
+
+// uint to string
+func UintToStr(unitvalue uint) string {
+	return fmt.Sprintf("%d", unitvalue) // todo 只能用这么挫的方法吗
+}
+
+// int to string
+func IntToStr(intvalue int) string {
+	return strconv.Itoa(intvalue)
+}
+
+// string to int
+func StrToInt(str string) int {
+	intValue, err := strconv.Atoi(str)
+	if err != nil {
+		intValue = int(StrToFloat(str))
+	}
+	return intValue
+}
+
+func InterfaceToStr(a interface{}) (str string) {
+	b, _ := sonic.Marshal(a)
+	return string(b)
+}
+
+func StrToFloat(str string) float64 {
+	str = Trim(str)
+	str = TrimQff(str)
+	if str == "NaN" {
+		str = "0"
+	}
+	intValue, err := strconv.ParseFloat(str, 64)
+	if err != nil {
+		intValue = 0
+	}
+	d := decimal.NewFromFloat(intValue)
+	//fmt.Println(n.String())
+	f, _ := d.Round(2).Float64()
+	return f
+}
+func StrToUint(str string) uint {
+	intValue, _ := strconv.Atoi(str)
+	return uint(intValue)
+}
+
+// string 去千分符
+func TrimQff(str string) string {
+	return strings.Replace(str, ",", "", -1)
+}
+func FloatToStr(f float64) string {
+	// 如果格式标记为 'e'，'E'和'f'，则 prec 表示小数点后的数字位数
+	// 如果格式标记为 'g'，'G'，则 prec 表示总的数字位数（整数部分+小数部分）
+	//func FormatFloat(f float64, fmt byte, prec, bitSize int) string
+	//f := 100.12345678901234567890123456789
+	//fmt.Println(strconv.FormatFloat(f, 'f', 5, 64))
+	// 100.12346
+	//fmt.Println(strconv.FormatFloat(f, 'g', 5, 64))
+	// 100.12
+	//fmt.Println(strconv.FormatFloat(f, 'G', 5, 64))
+	// 100.12
+	return strconv.FormatFloat(f, 'f', 2, 64)
+}
+
+// 截取两位小数
+func Round2(value float64) float64 {
+	d := decimal.NewFromFloat(value)
+	f, _ := d.Round(2).Float64()
+	return f
+}
+
+// 截取三位小数
+func Round3(value float64) float64 {
+	d := decimal.NewFromFloat(value)
+	f, _ := d.Round(3).Float64()
+	return f
+}
+
+func Round4(value float64) float64 {
+	d := decimal.NewFromFloat(value)
+	f, _ := d.Round(4).Float64()
+	return f
+}
+
+func RoundStr(value float64, n ...int32) string {
+	if value == 0 {
+		return ""
+	}
+	var s int32 = 2
+	if len(n) != 0 {
+		s = n[0]
+	}
+	amount1 := decimal.NewFromFloat(value)
+	return amount1.Round(s).StringFixed(s)
+}
+
+func Round1(value float64) float64 {
+	d := decimal.NewFromFloat(value)
+	//fmt.Println(n.String())
+	f, _ := d.Round(1).Float64()
+	return f
+}
+
+func RoundN(f float64, n int) float64 {
+	floatStr := fmt.Sprintf("%."+strconv.Itoa(n)+"f", f)
+	inst, _ := strconv.ParseFloat(floatStr, 64)
+	return inst
+}
+
+func Round(value float64, n int32) float64 {
+	d := decimal.NewFromFloat(value)
+	//fmt.Println(n.String())
+	f, _ := d.Round(n).Float64()
+	return f
+}