主题：帮我写套模型

MA5:MA(CLOSE,5);
MA10:MA(CLOSE,10);
MA20:MA(CLOSE,20);
MA60:MA(CLOSE,60);
COND1:=MA5<MA60 AND MA10<MA60 AND MA20<MA60 AND MA5<MA10 AND MA10<MA20;
COND2:=MA5<MA60 AND MA10<MA60 AND MA20<MA60 AND CROSS(MA20,MA10）；
COND3:=CROSS(MA10,MA20);
COND4:=MA5>MA60 AND MA10>MA60 AND MA20>MA60 AND MA5>MA10 AND MA10>MA20;
COND5:=MA5>MA60 AND MA10>MA60 AND MA20>MA60 AND CROSS(MA10,MA20);
COND6:=CROSS(MA20,MA10);
IF COND1 THEN
BEGIN
BUYSHORT(HOLDING=0,1,MARKET);
IF COND2 THEN
BUYSHORT(HOLDING<0,1,MARKET);//空头加仓
IF COND3 THEN
SELLSHORT(HOLDING<0,0,MARKET);
END
IF COND4 THEN
BEGIN
BUY(HOLDING=0,1,MARKET);
IF COND5 THEN
BUY(HOLDING>0，1,MARKET);
IF COND6 THEN
SELL(HOLDING>0,0,MARKET);
END
IF TIME>145800 AND HOLDING<>0 THEN
BEGIN
SELL(1,0);
SELLSHORT(1,0);
END