主题：加入止盈止损后 出现问题

   if enterlongcond and time<=145800 then begin
   sellshort(holding<0 and enterbars>=1,1,limitr,upperband);
   buy(holding=0,1,limitr,upperband);
   end
  
   if entershortcond and time<=145800 then begin
   sell(holding>0 and enterbars>=1,1,limitr,dnband);
   buyshort(holding=0,1,limitr,dnband);
   end

//止损
if ref(c,1)>centre then sellshort(holding<0,holding,limitr,centre+mindiff);
if ref(c,1)<centre then sell(holding>0,holding,limitr,centre-mindiff);

//止盈
if ref(c,1)>enterprice+atr then sell(holding>0,holding,limitr,thisclose);
if ref(c,1)<enterprice-atr then sellshort(holding<0,holding,limitr,thisclose);