df = DataSource("bar1d_CN_STOCK_A").read(['600382.SHA'],start_date="2020-06-01", end_date="2021-06-30",fields =["open"]) df = df.set_index('date') df.index = df.index.strftime("%Y-%m-%d") df =df["open"] T.plot(df,title="600382.SHA 开盘价")