[image] 
版本 3.0 更新内容
import sys
import re
import subprocess
import json
import os
from PyQt6.QtWidgets import (
    QApplication, QWidget, QLabel, QLineEdit, QPushButton, QVBoxLayout,
    QMessageBox, QComboBox, QGridLayout, QGroupBox, QStyleFactory, QListWidget, QHBoxLayout, QSizePolicy
)
from PyQt6.QtGui import QFont, QPalette, QColor
from PyQt6.QtCore import Qt
 
class IPChanger(QWidget):
    ...