How do i update view use async func?

[sumwai]

Hello, That's sorry for my bad english.

I need to update view, use async function.

I know the model.Update(msg tea.Msg) can update view, that will return a tea.Cmd, but how do i call update view function at a new async function (goroutine)?

I have a blog list, I use the list-fancy to show it, and when I type the Enter key, program will open a editor to edit it. I use a new goroutine to listen the editor's close, it success. but, I can't use a function to update view. (maybe update article title to "* {title} " or update the status message to "save file: {title} success")
like this,

case key.Matches(msg, keys.choose):
	go func() {
		time.Sleep(time.Second)
		_ = Typora.Open(title)
		Typora.OnClose(func() {
                         //  what func should i call

			 // m.Update(msg)? 
                         // It return `tea.Cmd`, but I can't use it
		})
	}()
	return m.NewStatusMessage(statusMessageStyle("Open file: " + title))

I tried use a variable to record status, when status change
i use the new if branch to return m.NewStatusMessage(statusMessageStyle("Save file: " + title))
but it does not work...

like this,

var status int
case key.Matches(msg, keys.choose):
	if status != 0 {
		// It return `tea.Cmd`, but I have no a func to call with it
		return m.NewStatusMessage(statusMessageStyle("Save file: " + title))
	}
	status = 1
	go func() {
		time.Sleep(time.Second)
		_ = Typora.Open(title)
		Typora.OnClose(func() {
			m.Update(msg)
		})
	}()
	return m.NewStatusMessage(statusMessageStyle("Open file: " + title))

Can somebody teach me how to update ?