pyqt5写一个抽奖程序（已美化）

今天再次闲来无事，优化了之前用python写的抽奖程序
pyqt版本：pyqt5
python版本：3.6.6
下面直接上代码，有建议的话，欢迎大家交流评论!

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'Lucky_draw_pro.ui'
#
# Created by: PyQt5 UI code generator 5.15.1
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.
'''
1.1版本
1.优化实现网格布局QGridLayout，支持按比例缩放  get
2.通过读取表格文件，获取展示奖池人员  get
3.线程挂起方式优化：由重启线程修改为线程锁的方式 get
4.bug的修改 get
'''
# ''' font-family：设置字体
        #
        #     text-align：设置文本文字对齐方式
        #
        #     background:设置控件背景色
        #
        #     border:设置边界，none为无边界
        #
        #     font-size：字体大小
        #
        #     border-radius:设置四边圆角
        #
        #     hover：伪状态，设置鼠标悬浮在控件上方时变化
        # '''
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import (QMainWindow, QApplication,QLabel,QLineEdit,QMessageBox,QComboBox,QGridLayout,QTextBrowser)
from PyQt5.QtCore import Qt, QSize, QWaitCondition
from PyQt5.QtCore import Qt, QThread, pyqtSignal, QMutex
from PyQt5.QtGui import QMovie, QTextCursor
import sys
import random
import time
import xlrd
import re



tester = ["自行替换","换就能用"]

qmut_1 = QMutex() #创建线程锁
qmut_2 = QMutex()

class Ui_Dialog(object):
    def setupUi(self, Dialog):
        Dialog.setObjectName("Dialog")
        Dialog.resize(1350, 800)
        self.gridLayout = QtWidgets.QGridLayout(Dialog)
        self.gridLayout.setObjectName("gridLayout")
        self.pushButton_2 = QtWidgets.QPushButton(Dialog)
        self.pushButton_2.setObjectName("pushButton_2")
        self.gridLayout.addWidget(self.pushButton_2, 3, 0, 1, 1)
        self.pushButton = QtWidgets.QPushButton(Dialog)
        self.pushButton.setObjectName("pushButton")
        self.gridLayout.addWidget(self.pushButton, 2, 0, 1, 1)
        #测试代码
        self.pushButton_3 = QtWidgets.QPushButton(Dialog)
        self.pushButton_3.setObjectName