Tkinter 菜单屏幕。 PNG 作为菜单屏幕背景。菜单背景未显示在菜单屏幕中

Question

当我启动我的“应用程序”时，它以启动画面中的图片开始，我为菜单屏幕添加了一个测试 png，但它没有打开带有图片的菜单屏幕。我对闪屏使用了相同的代码，但 png 没有显示在菜单中。有谁知道我做错了什么，或者我如何修复不以背景开头的菜单屏幕？提前非常感谢你们！

import tkinter as tk
import random
import time
from PIL import Image, ImageTk
from tkinter.ttk import*




Hoogte = 400
breedte = 400

import tkinter as tk
import time

class Splash(tk.Toplevel):
    def __init__(self, parent):
        tk.Toplevel.__init__(self, parent)
        splashscreenintroplaatje = tk.PhotoImage(file="SvgFileService.png")
        splashscreenintroplaatjelabel = tk.Label(self,image=splashscreenintroplaatje)
        splashscreenintroplaatjelabel.place(x=0, y=0, relwidth=1, relheight=1)
        self.title("Laden...")
        self.geometry("358x240")




        self.update()

class App(tk.Tk):
    def __init__(self):
        tk.Tk.__init__(self)



        self.title("Start Menu")
        self.geometry("358x240")
        achtergrondmenu = tk.PhotoImage(file="image.png")
        achtergrondmenulabel = tk.Label(self, image=achtergrondmenu)
        achtergrondmenulabel.place(x=0, y=0, relwidth=1, relheight=1)

      #je moet de tk.photoimage weghalen en image png allen als tekst in een tk.photoimage plaatsen
        self.withdraw()
        splash = Splash(self)

        #widget


        startknop = tk.Button(self, text="Start App", bg=   "#0f8041", fg="black", activebackground="#ce0f25", activeforeground="black", borderwidth=2, relief=tk.SOLID, font="Bahnschrift 10", highlightbackground="red", command= self.destroy)
        startknop.grid(row=0, column=3, padx=100)
        woordentoevoegenknop = tk.Button(self, text="Woordenlijst aanpassen", bg=   "#0f8041", fg="black", activebackground="#ce0f25", activeforeground="black", borderwidth=2, relief=tk.SOLID, font="Bahnschrift 10", highlightbackground="red")
        woordentoevoegenknop.grid(row=1, column=3, pady=10, padx=100)


        #menu-knoppen


        time.sleep(1)
        splash.destroy()


        self.deiconify()

if __name__ == "__main__":
    app = App()



    app.mainloop()


def doelwitpress(argumenten):
    if argumenten == 1:
        var.set('1')

    if argumenten == 2:
        var.set('2')

    if argumenten == 3:
        var.set('3')


    lbl['text'] = 'Kies uit 1 (kleinst), 2 (kleiner) of 3 (grootsts):'


    kleinstedoelwit = ['beneficial', 'eloquent', 'in proximity']

    x = random.choice(kleinstedoelwit)

    if (var.get() == '1'):
        lbl['text'] = x


    kleineredoelwit = ['useful', 'advise', 'commence']
    y = random.choice(kleineredoelwit)
    if (var.get() == "2"):
        lbl['text'] = y


    grootstedoelwit = ['vehicle', 'combined', 'uproar']
    z = random.choice(grootstedoelwit)

    if (var.get() == "3"):
        lbl['text'] = z



root = tk.Tk()

var = tk.StringVar()



var2 = tk.StringVar()

GrafischeUIcanvas = tk.Canvas(root, height=Hoogte)
GrafischeUIcanvas = tk.Canvas(root, width=breedte)

GrafischeUIcanvas.pack()


achtergrondkleur = tk.Frame(root, bg='#6BAB55')
achtergrondkleur.place(relwidt=1, relheight=1)


kleinstedoelwit = tk.Button(root, text="kleinste doelwit", bg="#0f8041", fg="black", activebackground="#ce0f25", activeforeground="black", borderwidth=2, relief=tk.SOLID, font="Bahnschrift 10", highlightbackground="red", command=lambda: doelwitpress(1))
kleineredoelwit = tk.Button(root, text="kleinere doelwit", bg="#0f8041", fg="black", activebackground="#ce0f25", activeforeground="black", borderwidth=2, relief=tk.SOLID, font="Bahnschrift 10", highlightbackground="red", command=lambda: doelwitpress(2))
grootstedoelwit = tk.Button(root, text="grootste doelwit", bg="#0f8041", fg="black", activebackground="#ce0f25", activeforeground="black", borderwidth=2, relief=tk.SOLID, font="Bahnschrift 10", highlightbackground="red", command=lambda: doelwitpress(3))

kleinstedoelwit.pack(side="left")
kleineredoelwit.pack(side="left")
grootstedoelwit.pack(side="left")

lbl = tk.Label(root, bg='#6BAB55', fg="black")
lbl.place(relx=0.3, rely=0, relwidth=0.45, relheight=0.25)

entry = tk.Entry(root, textvariable=var)
entry.pack(side="top")

entry2 = tk.Entry(root, textvariable=var2, bg="blue")


root.mainloop()