https://tool-2fa.deno.dev/ 
{
  "title": "2FA TOTP 认证服务",
  "version": "1.0.0",
  "description": "基于RFC 6238标准的TOTP双因子认证服务",
  "endpoints": {
    "GET /2fa/{secret}": {
      "description": "使用Base32密钥获取当前验证码",
      "response": {
        "code": "string (Base32密钥)",
        "token": "string (6位数字)",
        "remainingTime": "number (秒)",
        "timestamp": "number",
        "message": "string"
...