it is the solution!
<td align="right" class="dataTableContent"><input name="update_totals['.$i.'][value]" id="'.$id.'[value]" value="' . number_format($order->totals[$i]['value'], 2, '.', '') . '" size="6"><input name="update_totals['.$i.'][class]" type="hidden" value="' . $order->totals[$i]['class'] . '"><input name="update_totals['.$i.'][id]" type="hidden" value="' . $shipping_module_id . '" id="' . $id . '[id]"></td>' . "\n";
Replace With:
<td align="right" class="dataTableContent"><input name="update_totals['.$i.'][value]" id="'.$id.'[value]" value="' . number_format((double)$order->totals[$i]['value'], 2, '.', '') . '" size="6"><input name="update_totals['.$i.'][class]" type="hidden" value="' . $order->totals[$i]['class'] . '"><input name="update_totals['.$i.'][id]" type="hidden" value="' . $shipping_module_id . '" id="' . $id . '[id]"></td>' . "\n";