Border style on windows have something wrong

[ZegWe]

I'm using lipgloss to get a border wraped component, but the width of border and inner lines are different. The inner lines are twice the width of the borders.

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code:

package main

import (
	tea "github.com/charmbracelet/bubbletea"
	"github.com/charmbracelet/lipgloss"
)

var appStyle = lipgloss.NewStyle().Width(80).Height(5).Border(lipgloss.RoundedBorder())
func main() {
	tea.NewProgram(model{}).Start()
}

type model struct{}

func (m model) Init() tea.Cmd {
	return nil
}

func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	switch msg := msg.(type) {
	case tea.KeyMsg:
		if msg.Type == tea.KeyCtrlC || msg.String() == "q" {
			return m, tea.Quit
		}
		return m, nil
	default:
		return m, nil
	}
}

func (m model) View() string {
	return appStyle.Render("")
}