主题：请老师帮助写代码

开仓历时1:=ENTERBARS,NODRAW,COLORWHITE;
YK11:ASSET-REF(ASSET,开仓历时1),NODRAW;//取本次平仓盈亏值
当前浮动盈亏:OPENPROFIT,NODRAW,COLORWHITE;

variable:a1=0,a2=0,a3=0;
n1:=todaybar;
dm:=4-INTPART(LOG(C));
MA1:ROUNDS(IF(sum(vol,n1)=0,C,sum(C*vol,n1)/sum(vol,n1)),2+dm),colorred;//
平空开多条件:=CROSS(C,MA1);//开多平空条件
平多开空条件:= CROSS(MA1,C);//开空平多条件
if 平空开多条件 and NOT(time=closetime(0))  and holding<0 then  begin//and C>MA1
 取得持仓量:=ABS(holding),NODRAW;//取得开空手数，
空反手: SELLSHORT(1,holding,limitr,close),ORDERQUEUE;
a2:=a3; 
 end
a1:=NUMPROFIT(1),NODRAW;//取本次平仓盈亏值      
a3:=if(a2+a1<0,a2+a1,0);
if 平空开多条件   then  begin //
YK1:a1,NODRAW;//本次平仓盈亏值，
YK2:a2,NODRAW;//前一周期累计亏损值，
YK:a3,NODRAW;//本次平仓亏损累计值
BUY(holding=0,1,limitr,close),ORDERQUEUE;
end
if 平多开空条件 and NOT(time=closetime(0)) and holding>0 then begin//and C<MA1
SELL(1,holding,limitr,close),ORDERQUEUE;
 a2:=a3;
end
a1:=NUMPROFIT(1),NODRAW;//取本次平仓盈亏值
a3:=if(a2+a1<0,a2+a1,0);
if 平多开空条件  then  begin //
Y1K1:a1,NODRAW;//本次平仓盈亏值，
Y1K2:a2,NODRAW;//前一周期累计亏损值，
Y1K:a3,NODRAW;//本次平仓亏损累计值
BUYSHORT(holding=0,1,limitr,close),ORDERQUEUE;
end
if time=closetime(0) then begin
sell(1,0,marketr);
sellshort(1,0,marketr);
  a1:=0;                               
 a2:=0;    
a3:=0; 
end 

加载任何品种任何周期,要求日内开盘以后第一次开仓yk,yk1,yk2及y1k,y1k1,y1k2取值应该是0,第一次平仓只有a1能取到值，a1与a3是一样的值,a2是0