pyqtgraph如何設置字符串類型橫座標

        # xax = p1.getAxis('left') # 改成座標軸y
        xax = p1.getAxis('bottom') # 座標軸x
        ticks = [list(zip(range(10), ('16:23', '16:28', '16:33', '16:40', '16:45','16:23', '16:28', '16:33', '16:40', '16:45')))] # 聲明五個座標，分別是
        xax.setTicks(ticks)