如何使用python中的xlsxwriter冻结excel文件中的行和列

I want to freeze the first row and the first column in my excel file using xlsxwriter in python, I tried the bellow code, and seems like that it freeze just the column, when I remove the second line on the code that freeze the column, it freezes the first row, seems like the second line in the code overwrite the first one.I want to freeze the first row and the first co