有没有办法让tkinter在两个变量相加时显示不同的标签

import tkinter as tk

def update_labels():
    try:
        # 获取输入框中的值并转换为整数
        num1 = int(entry_num1.get())
        num2 = int(entry_num2.get())
        
        # 计算两个数的和
        sum = num1 + num2
        
        # 更新标签显示的值
        label_num1.config(text=f"Number 1: {num1}")
        label_num2.config(text=f"Number 2: {num2}")
        label_sum.config(text=f"Sum: {sum}")
    except ValueError:
        # 如果输入的不是整数，显示错误信息
        label_sum.config(text="Please enter valid integers")

# 创建主窗口
root = tk.Tk()
root.title("Addition with Tkinter")

# 创建并放置输入框和标签
entry_num1 = tk.Entry(root)
entry_num1.pack()

label_plus = tk.Label(root, text="+")
label_plus.pack()

entry_num2 = tk.Entry(root)
entry_num2.pack()

button_calculate = tk.Button(root, text="Calculate", command=update_labels)
button_calculate.pack()

label_num1 = tk.Label(root, text="")
label_num1.pack()

label_num2 = tk.Label(root, text="")
label_num2.pack()

label_sum = tk.Label(root, text="")
label_sum.pack()

# 运行主循环
root.mainloop()