))],
[sg.Text('0', key='-express-', justification='right', size=(30, 1), font=("微软雅黑", 10), background_color...#000')],
[sg.Text('0', key='-result-', justification='right', size=(30, 1), font=("微软雅黑", 10), background_color...[sg.Button('1', size=(6, 2)), sg.Button('2', size=(6, 2)), sg.Button('3', size=(6, 2)), sg.Button('+'..., size=(6, 2))],
[sg.Button('+/-', size=(6, 2)), sg.Button('0', size=(6, 2)), sg.Button('...history_text, justification='right', disabled=True, autoscroll=True, size=(30, 10), font=("微软雅黑", 10), background_color