当我按下按钮时它返回错误（好像没有点击）

Question

在继续点击或第一次点击时经常出现此问题。 它与循环迭代器有关吗？？ 它的来源是否像普通的复选按钮一样应用？ 我当然使用这个源 img 按钮

下面是我复制粘贴的代码，帮助你回答我
谢谢！

from tkinter import ttk
from tkinter import *
import itertools as it
import tkinter as tk
root = Tk()
root.geometry("1080x1000+200+50")
root.resizable(False, False)
    
class framess:
    def toggle11():
        srtchkarr[0]['image'] = next(images)
    
    def toggle12(e):
        srtchkarr[0]['image'] = next(images)
    
    def toggle21():
        srtchkarr[1]['image'] = next(images)
    
    def toggle22(e):
        srtchkarr[1]['image'] = next(images)
    
    def toggle31():
        srtchkarr[2]['image'] = next(images)
    
    def toggle32(e):
        srtchkarr[2]['image'] = next(images)
            
image_up = tk.PhotoImage(
    file='checkbuttonnormal.png')
image_down = tk.PhotoImage(
    file='checkbuttonclicked.png')
images = it.cycle([image_down, image_up])
    
startchk1 = tk.Button(root, text="startchk1", border=0, relief="flat",
                        image=image_up, command=framess.toggle11)
startchk1.config(cursor='circle')
startchk1tit = Label(root, text=" click!", anchor="w", width=5, height=2, font=(
    'aial', 18), background="#f0f0f0", border=0)
startchk1tit.config(cursor='circle')
startchk1tit.bind('<Button-1>', framess.toggle12)
startchk1.place(width=21, height=21, x=340, y=368)
startchk1tit.place(x=361, y=354)
    
startchk2 = tk.Button(root, text="startchk1", border=0, relief="flat",
                        image=image_up, command=framess.toggle21)
startchk2.config(cursor='circle')
startchk2tit = Label(root, text=" click2!", anchor="w", width=5, height=2, font=(
    'aial', 18), background="#f0f0f0", border=0)
startchk2tit.config(cursor='circle')
startchk2tit.bind('<Button-1>', framess.toggle22)
startchk2.place(width=21, height=21, x=440, y=368)
startchk2tit.place(x=461, y=354)
    
startchk3 = tk.Button(root, text="startchk1", border=0, relief="flat",
                      image=image_up, command=framess.toggle31)
startchk3.config(cursor='circle')
startchk3tit = Label(root, text=" click3!", anchor="w", width=5, height=2, font=(
    'aial', 18), background="#f0f0f0", border=0)
startchk3tit.config(cursor='circle')
startchk3tit.bind('<Button-1>', framess.toggle32)
startchk3.place(width=21, height=21, x=540, y=368)
startchk3tit.place(x=561, y=354)
srtchkarr = [startchk1, startchk2, startchk3]
root.mainloop()

图片：