diff --git a/README.md b/README.md
index 1e4ea8b..0650395 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # go-charts
 
+Clone from https://github.com/vicanso/go-charts
+
 [![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/vicanso/go-charts/blob/master/LICENSE)
 [![Build Status](https://github.com/vicanso/go-charts/workflows/Test/badge.svg)](https://github.com/vicanso/go-charts/actions)
 
@@ -33,7 +35,7 @@ More examples can be found in the [./examples/](./examples/) directory.
 package main
 
 import (
-	charts "github.com/vicanso/go-charts/v2"
+	charts "git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -99,7 +101,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -174,7 +176,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -231,7 +233,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -286,7 +288,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -344,7 +346,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -384,7 +386,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -449,7 +451,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
diff --git a/README_zh.md b/README_zh.md
index c31cf77..3f35b97 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -32,7 +32,7 @@
 package main
 
 import (
-	charts "github.com/vicanso/go-charts/v2"
+	charts "git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -98,7 +98,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -173,7 +173,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -230,7 +230,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -285,7 +285,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -343,7 +343,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -383,7 +383,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
@@ -447,7 +447,7 @@ func main() {
 package main
 
 import (
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func main() {
diff --git a/alias.go b/alias.go
index a96f50b..edf0dec 100644
--- a/alias.go
+++ b/alias.go
@@ -23,8 +23,8 @@
 package charts
 
 import (
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 type Box = chart.Box
diff --git a/axis.go b/axis.go
index 762a6a2..55fa219 100644
--- a/axis.go
+++ b/axis.go
@@ -26,7 +26,7 @@ import (
 	"strings"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type axisPainter struct {
diff --git a/axis_test.go b/axis_test.go
index d0cff41..85e18ca 100644
--- a/axis_test.go
+++ b/axis_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestAxis(t *testing.T) {
diff --git a/bar_chart.go b/bar_chart.go
index 508c63e..043e044 100644
--- a/bar_chart.go
+++ b/bar_chart.go
@@ -26,7 +26,7 @@ import (
 	"math"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type barChart struct {
@@ -63,6 +63,8 @@ type BarChartOption struct {
 	// The legend option
 	Legend   LegendOption
 	BarWidth int
+	// Margin of bar
+	BarMargin int
 }
 
 func (b *barChart) render(result *defaultRenderResult, seriesList SeriesList) (Box, error) {
@@ -88,6 +90,9 @@ func (b *barChart) render(result *defaultRenderResult, seriesList SeriesList) (B
 		margin = 5
 		barMargin = 3
 	}
+	if opt.BarMargin > 0 {
+		barMargin = opt.BarMargin
+	}
 	seriesCount := len(seriesList)
 	// 总的宽度-两个margin-(总数-1)的barMargin
 	barWidth := (width - 2*margin - barMargin*(seriesCount-1)) / seriesCount
diff --git a/chart_option.go b/chart_option.go
index 5311d50..d80a383 100644
--- a/chart_option.go
+++ b/chart_option.go
@@ -67,6 +67,8 @@ type ChartOption struct {
 	LineStrokeWidth float64
 	// The bar with of bar chart
 	BarWidth int
+	// The margin of each bar
+	BarMargin int
 	// The bar height of horizontal bar chart
 	BarHeight int
 	// Fill the area of line chart
diff --git a/chart_option_test.go b/chart_option_test.go
index ff17750..c354b26 100644
--- a/chart_option_test.go
+++ b/chart_option_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestChartOption(t *testing.T) {
diff --git a/charts.go b/charts.go
index 74db733..31df11c 100644
--- a/charts.go
+++ b/charts.go
@@ -27,7 +27,7 @@ import (
 	"math"
 	"sort"
 
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 const labelFontSize = 10
@@ -375,10 +375,11 @@ func Render(opt ChartOption, opts ...OptionFunc) (*Painter, error) {
 	if len(barSeriesList) != 0 {
 		handler.Add(func() error {
 			_, err := NewBarChart(p, BarChartOption{
-				Theme:    opt.theme,
-				Font:     opt.font,
-				XAxis:    opt.XAxis,
-				BarWidth: opt.BarWidth,
+				Theme:     opt.theme,
+				Font:      opt.font,
+				XAxis:     opt.XAxis,
+				BarWidth:  opt.BarWidth,
+				BarMargin: opt.BarMargin,
 			}).render(renderResult, barSeriesList)
 			return err
 		})
@@ -391,6 +392,7 @@ func Render(opt ChartOption, opts ...OptionFunc) (*Painter, error) {
 				Theme:        opt.theme,
 				Font:         opt.font,
 				BarHeight:    opt.BarHeight,
+				BarMargin:    opt.BarMargin,
 				YAxisOptions: opt.YAxisOptions,
 			}).render(renderResult, horizontalBarSeriesList)
 			return err
diff --git a/charts_test.go b/charts_test.go
index da75ee5..bd581e9 100644
--- a/charts_test.go
+++ b/charts_test.go
@@ -26,7 +26,7 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 func BenchmarkMultiChartPNGRender(b *testing.B) {
diff --git a/echarts.go b/echarts.go
index 5a0e5a0..aaef1f1 100644
--- a/echarts.go
+++ b/echarts.go
@@ -29,7 +29,7 @@ import (
 	"regexp"
 	"strconv"
 
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 func convertToArray(data []byte) []byte {
diff --git a/echarts_test.go b/echarts_test.go
index 2ce1715..2077278 100644
--- a/echarts_test.go
+++ b/echarts_test.go
@@ -27,7 +27,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestConvertToArray(t *testing.T) {
diff --git a/examples/area_line_chart/main.go b/examples/area_line_chart/main.go
index ea8f1c2..57ca1e9 100644
--- a/examples/area_line_chart/main.go
+++ b/examples/area_line_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/bar_chart/main.go b/examples/bar_chart/main.go
index feea66e..91c9f81 100644
--- a/examples/bar_chart/main.go
+++ b/examples/bar_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/charts/main.go b/examples/charts/main.go
index 76aa42c..81bc4f2 100644
--- a/examples/charts/main.go
+++ b/examples/charts/main.go
@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"strconv"
 
-	charts "github.com/vicanso/go-charts/v2"
+	charts "git.smarteching.com/zeni/go-charts/v2"
 )
 
 var html = `<!DOCTYPE html>
diff --git a/examples/chinese/main.go b/examples/chinese/main.go
index 2d96b58..601f54e 100644
--- a/examples/chinese/main.go
+++ b/examples/chinese/main.go
@@ -5,7 +5,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/funnel_chart/main.go b/examples/funnel_chart/main.go
index f29ccf9..653f834 100644
--- a/examples/funnel_chart/main.go
+++ b/examples/funnel_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/horizontal_bar_chart/main.go b/examples/horizontal_bar_chart/main.go
index f2cabe8..f5d8497 100644
--- a/examples/horizontal_bar_chart/main.go
+++ b/examples/horizontal_bar_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
@@ -65,6 +65,9 @@ func main() {
 			"China",
 			"World",
 		}),
+		func(opt *charts.ChartOption) {
+			opt.SeriesList[0].RoundRadius = 5
+		},
 	)
 	if err != nil {
 		panic(err)
diff --git a/examples/line_chart/main.go b/examples/line_chart/main.go
index 4e6448f..baee8a3 100644
--- a/examples/line_chart/main.go
+++ b/examples/line_chart/main.go
@@ -5,7 +5,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/painter/main.go b/examples/painter/main.go
index b7a5832..1b842b3 100644
--- a/examples/painter/main.go
+++ b/examples/painter/main.go
@@ -4,8 +4,8 @@ import (
 	"os"
 	"path/filepath"
 
-	charts "github.com/vicanso/go-charts/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	charts "git.smarteching.com/zeni/go-charts/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/pie_chart/main.go b/examples/pie_chart/main.go
index 38488d2..5d70438 100644
--- a/examples/pie_chart/main.go
+++ b/examples/pie_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/radar_chart/main.go b/examples/radar_chart/main.go
index e8095ae..e7053af 100644
--- a/examples/radar_chart/main.go
+++ b/examples/radar_chart/main.go
@@ -4,7 +4,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/examples/table/main.go b/examples/table/main.go
index 0210ecf..de994eb 100644
--- a/examples/table/main.go
+++ b/examples/table/main.go
@@ -6,8 +6,8 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/vicanso/go-charts/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-charts/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func writeFile(buf []byte, filename string) error {
diff --git a/examples/time_line_chart/main.go b/examples/time_line_chart/main.go
index 6cb3f3d..c6c93bf 100644
--- a/examples/time_line_chart/main.go
+++ b/examples/time_line_chart/main.go
@@ -8,7 +8,7 @@ import (
 	"path/filepath"
 	"time"
 
-	"github.com/vicanso/go-charts/v2"
+	"git.smarteching.com/zeni/go-charts/v2"
 )
 
 func writeFile(buf []byte) error {
diff --git a/font.go b/font.go
index dae5141..828654e 100644
--- a/font.go
+++ b/font.go
@@ -27,7 +27,7 @@ import (
 	"sync"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/roboto"
+	"git.smarteching.com/zeni/go-chart/v2/roboto"
 )
 
 var fonts = sync.Map{}
diff --git a/font_test.go b/font_test.go
index 9dc731c..e0c56b2 100644
--- a/font_test.go
+++ b/font_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/roboto"
+	"git.smarteching.com/zeni/go-chart/v2/roboto"
 )
 
 func TestInstallFont(t *testing.T) {
diff --git a/go.mod b/go.mod
index d8a492c..76a47b6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,17 +1,17 @@
-module github.com/vicanso/go-charts/v2
+module git.smarteching.com/zeni/go-charts/v2
 
-go 1.17
+go 1.24.1
 
 require (
+	git.smarteching.com/zeni/go-chart/v2 v2.1.4
 	github.com/dustin/go-humanize v1.0.1
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
-	github.com/stretchr/testify v1.8.2
-	github.com/wcharczuk/go-chart/v2 v2.1.0
+	github.com/stretchr/testify v1.10.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/image v0.0.0-20200927104501-e162460cd6b5 // indirect
+	golang.org/x/image v0.21.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index ac1d9f7..3e1a48a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,5 @@
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+git.smarteching.com/zeni/go-chart/v2 v2.1.4 h1:pF06+F6eqJLIG8uMiTVPR5TygPGMjM/FHMzTxmu5V/Q=
+git.smarteching.com/zeni/go-chart/v2 v2.1.4/go.mod h1:b3ueW9h3pGGXyhkormZAvilHaG4+mQti+bMNPdQBeOQ=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
@@ -7,20 +8,11 @@ github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF0
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-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=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/wcharczuk/go-chart/v2 v2.1.0 h1:tY2slqVQ6bN+yHSnDYwZebLQFkphK4WNrVwnt7CJZ2I=
-github.com/wcharczuk/go-chart/v2 v2.1.0/go.mod h1:yx7MvAVNcP/kN9lKXM/NTce4au4DFN99j6i1OwDclNA=
-golang.org/x/image v0.0.0-20200927104501-e162460cd6b5 h1:QelT11PB4FXiDEXucrfNckHoFxwt8USGY1ajP1ZF5lM=
-golang.org/x/image v0.0.0-20200927104501-e162460cd6b5/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s=
+golang.org/x/image v0.21.0/go.mod h1:vUbsLavqK/W303ZroQQVKQ+Af3Yl6Uz1Ppu5J/cLz78=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/grid_test.go b/grid_test.go
index 3110a2b..fa9c3a6 100644
--- a/grid_test.go
+++ b/grid_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestGrid(t *testing.T) {
diff --git a/horizontal_bar_chart.go b/horizontal_bar_chart.go
index 2ab4c03..ed091c9 100644
--- a/horizontal_bar_chart.go
+++ b/horizontal_bar_chart.go
@@ -24,7 +24,7 @@ package charts
 
 import (
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type horizontalBarChart struct {
@@ -50,6 +50,8 @@ type HorizontalBarChartOption struct {
 	// The legend option
 	Legend    LegendOption
 	BarHeight int
+	// Margin of bar
+	BarMargin int
 }
 
 // NewHorizontalBarChart returns a horizontal bar chart renderer
@@ -81,6 +83,9 @@ func (h *horizontalBarChart) render(result *defaultRenderResult, seriesList Seri
 		margin = 5
 		barMargin = 3
 	}
+	if opt.BarMargin > 0 {
+		barMargin = opt.BarMargin
+	}
 	seriesCount := len(seriesList)
 	// 总的高度-两个margin-(总数-1)的barMargin
 	barHeight := (height - 2*margin - barMargin*(seriesCount-1)) / seriesCount
@@ -136,14 +141,26 @@ func (h *horizontalBarChart) render(result *defaultRenderResult, seriesList Seri
 				fillColor = item.Style.FillColor
 			}
 			right := w
-			seriesPainter.OverrideDrawingStyle(Style{
-				FillColor: fillColor,
-			}).Rect(chart.Box{
-				Top:    y,
-				Left:   0,
-				Right:  right,
-				Bottom: y + barHeight,
-			})
+			if series.RoundRadius <= 0 {
+				seriesPainter.OverrideDrawingStyle(Style{
+					FillColor: fillColor,
+				}).Rect(chart.Box{
+					Top:    y,
+					Left:   0,
+					Right:  right,
+					Bottom: y + barHeight,
+				})
+			} else {
+				seriesPainter.OverrideDrawingStyle(Style{
+					FillColor: fillColor,
+				}).RoundedRect(chart.Box{
+					Top:    y,
+					Left:   0,
+					Right:  right,
+					Bottom: y + barHeight,
+				}, series.RoundRadius)
+			}
+
 			// 如果label不需要展示，则返回
 			if labelPainter == nil {
 				continue
diff --git a/line_chart.go b/line_chart.go
index 363cd36..fb1d16a 100644
--- a/line_chart.go
+++ b/line_chart.go
@@ -26,7 +26,7 @@ import (
 	"math"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 type lineChart struct {
diff --git a/mark_line_test.go b/mark_line_test.go
index 00d19ef..0448cda 100644
--- a/mark_line_test.go
+++ b/mark_line_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestMarkLine(t *testing.T) {
diff --git a/mark_point_test.go b/mark_point_test.go
index ffa01a7..298345b 100644
--- a/mark_point_test.go
+++ b/mark_point_test.go
@@ -26,7 +26,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestMarkPoint(t *testing.T) {
diff --git a/painter.go b/painter.go
index bc13418..bee646f 100644
--- a/painter.go
+++ b/painter.go
@@ -28,7 +28,7 @@ import (
 	"math"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type ValueFormatter func(float64) string
@@ -860,3 +860,7 @@ func (p *Painter) LegendLineDot(box Box) *Painter {
 	p.FillStroke()
 	return p
 }
+
+func (p *Painter) GetRenderer() chart.Renderer {
+	return p.render
+}
diff --git a/painter_test.go b/painter_test.go
index b159328..07c4113 100644
--- a/painter_test.go
+++ b/painter_test.go
@@ -28,8 +28,8 @@ import (
 
 	"github.com/golang/freetype/truetype"
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestPainterOption(t *testing.T) {
diff --git a/pie_chart.go b/pie_chart.go
index 6cc48c4..5c04ed8 100644
--- a/pie_chart.go
+++ b/pie_chart.go
@@ -27,7 +27,7 @@ import (
 	"math"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type pieChart struct {
@@ -234,23 +234,35 @@ func (p *pieChart) render(result *defaultRenderResult, seriesList SeriesList) (B
 			continue
 		}
 		if currentQuadrant != s.quadrant {
-			currentQuadrant = s.quadrant
 			if s.quadrant == 1 {
 				minY = cy * 2
 				maxY = 0
 				prevY = cy * 2
 			}
 			if s.quadrant == 2 {
-				prevY = minY
+				if currentQuadrant != 3 {
+					prevY = s.lineEndY
+				} else {
+					prevY = minY
+				}
 			}
 			if s.quadrant == 3 {
-				minY = cy * 2
-				maxY = 0
-				prevY = 0
+				if currentQuadrant != 4 {
+					prevY = s.lineEndY
+				} else {
+					minY = cy * 2
+					maxY = 0
+					prevY = 0
+				}
 			}
 			if s.quadrant == 4 {
-				prevY = maxY
+				if currentQuadrant != 1 {
+					prevY = s.lineEndY
+				} else {
+					prevY = maxY
+				}
 			}
+			currentQuadrant = s.quadrant
 		}
 		prevY = s.calculateY(prevY)
 		if prevY > maxY {
diff --git a/radar_chart.go b/radar_chart.go
index f3d63b9..cf18135 100644
--- a/radar_chart.go
+++ b/radar_chart.go
@@ -27,8 +27,8 @@ import (
 
 	"github.com/dustin/go-humanize"
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 type radarChart struct {
diff --git a/series.go b/series.go
index 0ad135f..da50e64 100644
--- a/series.go
+++ b/series.go
@@ -26,7 +26,7 @@ import (
 	"strings"
 
 	"github.com/dustin/go-humanize"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type SeriesData struct {
diff --git a/series_label.go b/series_label.go
index 10fd148..af873fc 100644
--- a/series_label.go
+++ b/series_label.go
@@ -24,7 +24,7 @@ package charts
 
 import (
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2"
 )
 
 type labelRenderValue struct {
diff --git a/table.go b/table.go
index 86ef569..3e6f273 100644
--- a/table.go
+++ b/table.go
@@ -26,8 +26,8 @@ import (
 	"errors"
 
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 type tableChart struct {
diff --git a/theme.go b/theme.go
index a6d624f..85016a5 100644
--- a/theme.go
+++ b/theme.go
@@ -24,7 +24,7 @@ package charts
 
 import (
 	"github.com/golang/freetype/truetype"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 const ThemeDark = "dark"
diff --git a/util.go b/util.go
index b333e6d..87ff31c 100644
--- a/util.go
+++ b/util.go
@@ -29,8 +29,8 @@ import (
 	"strings"
 
 	"github.com/dustin/go-humanize"
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TrueFlag() *bool {
diff --git a/util_test.go b/util_test.go
index 62fd08d..5770776 100644
--- a/util_test.go
+++ b/util_test.go
@@ -26,8 +26,8 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/wcharczuk/go-chart/v2"
-	"github.com/wcharczuk/go-chart/v2/drawing"
+	"git.smarteching.com/zeni/go-chart/v2"
+	"git.smarteching.com/zeni/go-chart/v2/drawing"
 )
 
 func TestGetDefaultInt(t *testing.T) {