function appendCells(row, item, columns) {
  columns.forEach(column => {
    const cell = document.createElement('td');
    cell.textContent = item[column];
    row.appendChild(cell);
  });
}

document.getElementById('fetchData').addEventListener('click', function () {
  // ... (其它代碼不變)
  
  // Handle first API data
  datas[0][0].json_extract.forEach(item => {
    const row = document.createElement('tr');
    appendCells(row, item, ['ACT_DATE', 'CASE_STATUS', 'CLOSE_TMR_NAME', 'TASK_NAME']);
    tableBody.appendChild(row);
  });

  // Handle second and third API data
  [...datas[1], ...datas[2]].forEach(item => {
    const row = document.createElement('tr');
    appendCells(row, item, ['kindtext', 'insno', 'acceptdate', 'processingstatus']);
    tableBody.appendChild(row);
  });

  // Handle fourth and fifth API data
  [...datas[3], ...datas[4]].forEach(item => {
    const row = document.createElement('tr');
    appendCells(row, item, ['被保人id', '保單號碼', '被保人姓名']);
    tableBody.appendChild(row);
  });

  // ... (其它代碼不變)
});