修复okcoinGateway接口的行情推送中的成交量bug
修复okcoinGateway接口的行情推送中的成交量bug

rrrrrr8/vnpy,andrewchenshx/vnpy,vnpy/vnpy,andrewchenshx/vnpy,bigdig/vnpy,bigdig/vnpy,harveywwu/vnpy,harveywwu/vnpy,wisfern/vnpy,wisfern/vnpy,msincenselee/vnpy,bigdig/vnpy,msincenselee/vnpy,harveywwu/vnpy,bigdig/vnpy,harveywwu/vnpy,wisfern/vnpy,rrrrrr8/vnpy,harveywwu/vnpy,harveywwu/vnpy,andrewchenshx/vnpy,wisfern/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,wisfern/vnpy,wisfern/vnpy,rrrrrr8/vnpy,rrrrrr8/vnpy,msincenselee/vnpy,vnpy/vnpy,rrrrrr8/vnpy,andrewchenshx/vnpy,rrrrrr8/vnpy