我得到了同样的答案，继续SQL Server → Tools → Options → Designers → Table and Database Designers 并取消选择阻止保存需要重新创建表的更改

I got the answer for the same , Go on SQL Server → Tools → Options → Designers → Table and Database Designers and unselect Prevent saving changes that require table re-creation

2- 打开表格设计视图，上下滚动列并保存更改.

2- Open table design view and that scroll your column up and down and save your changes.