{"code":1002,"message":"示例数据，与参数无关","content":[{"code":"563520","name":"沪深300ETF永赢","date":"2025-01-03 10:32","open":0.953,"close":0.952,"high":0.953,"low":0.952,"type":"etf","volume":5737,"total_amt":546175,"range_rate":0.11,"rise_rate":0,"rise":0,"t_rate":0.04}]}