标题：请教老师过滤信号？

请教老师，以下的模型我在运行交易时遇到一个问题，就是第一根K线满足条件之后帮我买入一手，第二根满足之后又帮我买入一手，第三根....持续不断的买入。我如何调整成为我只要求在第一根满足条件的K线收盘后买入，后面持续满足的过滤掉？

M1:MA(C,N1);
EXITSHORT:M1>REF(M1,1) AND EVERY(CLOSE>M1,2);
ENTERLONG:M1>REF(M1,1) AND EVERY(CLOSE>M1,2);
EXITLONG:M1<REF(M1,1) AND EVERY(CLOSE<M1,2);
ENTERSHORT:M1<REF(M1,1) AND EVERY(CLOSE<M1,2);

EXITSHORT:M1>REF(M1,1) AND EVERY(CLOSE>M1,2),tfilter;
ENTERLONG:M1>REF(M1,1) AND EVERY(CLOSE>M1,2),tfilter;
EXITLONG:M1<REF(M1,1) AND EVERY(CLOSE<M1,2),tfilter;
ENTERSHORT:M1<REF(M1,1) AND EVERY(CLOSE<M1,2),tfilter;