主题：请老师看看我这个下单错在哪？

if TISREMAIN(0)<>0   AND KK then
BEGIN
tcancel(1,0);
END

//如果满足平空条件,且当前有空头可用持仓,则平空

if PK then BEGIN
  tsellshort(pk  and tholding<0,0,lmt,DYNAINFO(28)),orderqueue;
END

//如果没有仓位(没有可用持仓,也没有未成交单),且满足平空开多条件,则以c-30*MINDIFF开多
if KD then BEGIN
  tbuy(KD and tholding=0,1,lmt,c-30*MINDIFF),orderqueue;
END

//如果满足平多条件,且当前有多头可用持仓,则平多

IF  pd then begin
   tsell(PD and tholding>0 ,0,lmt,DYNAINFO(34)),orderqueue;
   END

//如果没有仓位(没有可用持仓,也没有未成交单),且满足平多开空条件,则以c+30*MINDIFF开空

IF KK then begin
   tbuyshort(KK  and tholding=0,1,lmt,c+30*MINDIFF),orderqueue;
end

if TISREMAIN(0)<>0   AND KK then
BEGIN
tcancel(1,0);
END

//如果满足平空条件,且当前有空头可用持仓,则平空

if PK then BEGIN
  tsellshort(tholding<0,0,lmt,DYNAINFO(28)),orderqueue;
END

//如果没有仓位(没有可用持仓,也没有未成交单),且满足平空开多条件,则以c-30*MINDIFF开多
if KD and TISREMAIN(0)=0 then BEGIN
  tbuy(tholding=0,1,lmt,c-30*MINDIFF),orderqueue;
END

//如果满足平多条件,且当前有多头可用持仓,则平多

IF  pd then begin
   tsell(tholding>0 ,0,lmt,DYNAINFO(34)),orderqueue;
   END

//如果没有仓位(没有可用持仓,也没有未成交单),且满足平多开空条件,则以c+30*MINDIFF开空

IF KK and TISREMAIN(0)=0 then begin
   tbuyshort(tholding=0,1,lmt,c+30*MINDIFF),orderqueue;
end