综合评分表1.7.5 版本无法显示legend

[xigrug]

使用的是文档中的例子，没有显示legend

grade_list = [10,25]
member_list = ["ECMWF","CMA_GFS"]
far_array = np.array([[0.4,0.5],[0.6,0.7]])
mr_array =np.array([[0.2,0.3],[0.4,0.5]])
mem.performance_mr_far(mr_array,far_array,grade_list = grade_list,member_list = member_list,x_y = "far_mr",
               save_path = r"p4.png",show = True)