通过websocket接收到vnpy推过来的数据的时间是**_

2022-03-04 10:54:35.500000+08:00

_** ：

quote here{"gateway_name":"CTP","symbol":"IO2205-P-4500","exchange":"CFFEX","datetime":"2022-03-04 10:54:35.500000+08:00","name":"IO2205-P-4500","volume":122,"turnover":1665580,"open_interest":129,"last_price":122,"last_volume":0,"limit_up":573.2,"limit_down":0.2,"open_price":141.8,"high_price":143,"low_price":121.8,"pre_close":114.2,"bid_price_1":123.4,"bid_price_2":0,"bid_price_3":0,"bid_price_4":0,"bid_price_5":0,"ask_price_1":125.8,"ask_price_2":0,"ask_price_3":0,"ask_price_4":0,"ask_price_5":0,"bid_volume_1":2,"bid_volume_2":0,"bid_volume_3":0,"bid_volume_4":0,"bid_volume_5":0,"ask_volume_1":2,"ask_volume_2":0,"ask_volume_3":0,"ask_volume_4":0,"ask_volume_5":0,"localtime":null,"vt_symbol":"IO2205-P-4500.CFFEX"}

但是：数据库中的时间 **_

2022-03-04 10:46:39

_**，少了8分钟左右。而且那0.5秒没保存到

你的8分钟是指+08:00么，这个是时区。
毫秒没有显示是数据库的问题吧，不知道是数据库没有显示还是自动保存成到了秒。

郭易燔 wrote:

你的8分钟是指+08:00么，这个是时区。
毫秒没有显示是数据库的问题吧，不知道是数据库没有显示还是自动保存成到了秒。

不是时区。是8分钟，时间2022-03-04 10:54:35.5 ，存到mysql就变成了 2022-03-04 10:46:39

你怎么确定这两个不同时间的数据是同一条数据，2022-03-04 10:54:35.5这条数据的volume是122。然后你截图里就没有volume是122的数据。