擅长:python、mysql、java
<p>您可以更改标题的默认字体:</p>
<pre><code>import tkinter as tk
from tkinter import messagebox as mb
from tkinter import font
root = tk.Tk()
font1 = font.Font(name='TkCaptionFont', exists=True)
font1.config(family='courier new', size=20)
mb.showinfo(message='Hello')
</code></pre>