diff --git a/big_output.go b/big_output.go
index 57f0a9a..b53c5ae 100644
--- a/big_output.go
+++ b/big_output.go
@@ -22,3 +22,10 @@ func (d Decimal) MoneyFloat64() float64 {
 	f, _ := rat.Float64()
 	return f
 }
+
+// MoneyPoint 输出 float64带小数点
+func (d Decimal) MoneyPoint(p int) float64 {
+	rat, _ := new(big.Rat).SetString(d.floatValue.Text('f', p))
+	f, _ := rat.Float64()
+	return f
+}
diff --git a/big_test.go b/big_test.go
index 9dc4130..f4bb032 100644
--- a/big_test.go
+++ b/big_test.go
@@ -1,8 +1,6 @@
 package godecimal
 
 import (
-	"fmt"
-	"github.com/shopspring/decimal"
 	"math/big"
 	"reflect"
 	"testing"
@@ -55,35 +53,6 @@ func TestOperation(t *testing.T) {
 	t.Log("a3/a4：", a3.Quo(a4), a3.Quo(a4).String(), a3.Quo(a4).Float64(), reflect.TypeOf(a3.Quo(a4).Float64()), a3.Quo(a4).MoneyFloat64(), reflect.TypeOf(a3.Quo(a4).MoneyFloat64()))
 }
 
-func TestDecimal1(t *testing.T) {
-	price, err := decimal.NewFromString("136.02")
-	if err != nil {
-		panic(err)
-	}
-
-	quantity := decimal.NewFromInt(3)
-
-	fee, _ := decimal.NewFromString(".035")
-	taxRate, _ := decimal.NewFromString(".08875")
-
-	subtotal := price.Mul(quantity)
-
-	preTax := subtotal.Mul(fee.Add(decimal.NewFromFloat(1)))
-
-	total := preTax.Mul(taxRate.Add(decimal.NewFromFloat(1)))
-
-	fmt.Println("Subtotal:", subtotal, reflect.TypeOf(subtotal)) // Subtotal: 408.06
-	fmt.Println("Pre-tax:", preTax, reflect.TypeOf(preTax))      // Pre-tax: 422.3421
-	fmt.Println("Taxes:", total.Sub(preTax))                     // Taxes: 37.482861375
-	fmt.Println("Total:", total)                                 // Total: 459.824961375
-	fmt.Println("Tax rate:", total.Sub(preTax).Div(preTax))      // Tax rate: 0.08875
-
-	t.Log(total.String())
-	t.Log(total.Float64())
-	t.Log(total.Floor())
-
-}
-
 func Test3(t *testing.T) {
 
 	var x1, y1 float64 = 10, 3
diff --git a/go.mod b/go.mod
index a6431b7..38edac9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,3 @@
 module go.dtapp.net/godecimal
 
-go 1.18
-
-require github.com/shopspring/decimal v1.3.1
+go 1.19
diff --git a/go.sum b/go.sum
index 3289fec..e69de29 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +0,0 @@
-github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8=
-github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
diff --git a/version.go b/version.go
index e9f412f..7876fb0 100644
--- a/version.go
+++ b/version.go
@@ -1,3 +1,3 @@
 package godecimal
 
-const Version = "1.0.3"
+const Version = "1.0.4"