主题：[求助]这条公式为什么测试失败？

DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);
DEA  := EMA(DIFF,9);
MA5:=MA(CLOSE,5);
MA20:=MA(CLOSE,20);
SK1:=TIME>=0930 AND TIME<1120 AND C>REF(HHV(H,20),1);
BP1:=CROSS(DEA,DIFF) OR (TIME>1128 AND TIME<1300);
SK2:=TIME>=1305 AND TIME<1440 AND C>REF(HHV(H,20),1);
BP2:=CROSS(DEA,DIFF) OR TIME>1458;
BK1:=TIME>=0930 AND TIME<1120 AND C<REF(LLV(L,20),1);
SP1:=CROSS(DIFF,DEA) OR (TIME>1128 AND TIME<1300);
BK2:=TIME>=1305 AND TIME<1440 AND C<REF(LLV(L,20),1);
SP2:=CROSS(DIFF,DEA) OR TIME>1458;

SELLSHORT((BP1 and HOLDING<0) OR (BP2 and HOLDING<0),HOLDING,market);

BUY((BK1 and  HOLDING=0) OR (BK2 and  HOLDING=0),50%,market);
SELL((SP1 and HOLDING>0) OR (SP2 and HOLDING>0),HOLDING,market);
BUYSHORT((SK1 and HOLDING=0) OR (SK1 and HOLDING=0),50%,market);