[Fix]Close #660 保证金限制只针对开仓委托
[Fix]Close #660 保证金限制只针对开仓委托

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