F2
=IF(D3="","",IF(E3="",TODAY()-D3,E3-D3))
下拉
不明白你的F7为何等于-16
F3公式: =IF(D3="","",IF(E3="",TODAY()-D3,E3-D3))
=IF(D3="","",IF(E3="",TODAY()-D3,e3-D3))