code: private String getUUID() {
          log.info("获取二维码UUID");
          // 登录
          ApiResponse response = this.client.send(new StringRequest("https://login.weixin.qq.com/jslogin")
                  .add("appid", "wx782c26e4c19acffb").add("fun", "new"));
  
          Matcher matcher = UUID_PATTERN.matcher(response.getRawBody());
          if (matcher.find() && StateCode.SUCCESS.equals(matcher.group(1))) {
              this.uuid = matcher.group(2);
          }
          return this.uuid;
      }
docs: 获取UUID
  
  @return 返回uuid