save xlsx file then use excel open has issue

[mankaixin]

when only load a xlsx then do nothing。
Using excel open has some quesion

  void test_Load_save()
  {
      xlnt::workbook wb;
      wb.load(path_helper::test_file("3.xlsx"));
     // xlnt::workbook wb2;
     // wb2.copy_sheet(wb.active_sheet());
      wb.save(path_helper::test_file("2.xlsx"));
  }

2.xlsx
3.xlsx

[mankaixin]

I found the error here

and

[mankaixin]

I have been fork this repo and fix problem above

[yasooh]

how to avoid this problem

[m7913d]

@yasooh As discussed in issue #748, this repo has been unmaintained for several years.
In order to continue this great project started by tfussell, we have created a new repo to support further development by the community.
Feel free to participate in this community effort by submitting issues and PR to this new community-driven repo.