import requests 
import random 
import string 
import json 
import os 
import time 
import threading 
from concurrent.futures import ThreadPoolExecutor 
from colorama import init, Fore 
初始化 colorama
init() 
VALID_CODES_FILE = “valid_codes.txt”  # 有效兑换码文件 
CHECKED_CODES_FILE = “checked_codes.txt”  # 已检测兑换码文件 
LAST_CODE_FILE = “last_code.txt”  # 记录最后一个检测的兑换码 
用于线程同步
lock = threading.Lock() 
checked_...