主题：不知道问题在哪里，总说我end语句不完整

if a2 then buyshort(holding=0,1,limitr,A4-2*mindiff);

if low>=enterprice-2*atr then sell(holding>0,holding,limitr,atr);
if A2 then begin
    sell(holding>0,holding,limitr,A4-2*mindiff);
    buyshort(holding=0,1,limitr,A4-3*mindiff);
   
end

if high>=enterprice+2*atr then  sellshort(holding<0,holding,limitr,atr);
if A1 then begin
    sellshort(holding<0,holding,limitr,A3+2*mindiff);
    buy(holding=0,1,limitr,A3+3*mindiff);
end