程式編譯OK但測試選股卻說腳本不存在

variable: rsv(0), k(0), _d(0);

SetTotalBar(maxlist(9,6) * 3);

Stochastic(9, 3, 3, rsv, k, _d);

if _d[1] - k[1] < K[0] - _d[0] and k[1] < 25 and close > average(close, 5) then ret=1;

程式撰寫如上