优化表格宽度变化的合理性

[rustbomber]

Is your feature request related to a problem? Please describe.

目前的表格，在添加列、删除列或者进行列宽调整时，整体的宽度会跟着变化。

Describe the solution you'd like

对表格的添加列、删除列或者进行列宽调整是非常高频的操作，目前的表格会导致一直要调整总体的宽度来保持文档的美观度，一般来说也是希望所有表格的宽度是一样宽的，因此希望能保持总体宽度不变化。

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.