跨商品抓取資料K棒有誤差該如何解決

小編你好 程式碼如下 執行商品為 小型台指近月 頻率為5分鐘 逐筆洗價

input: ma_Length(5, "MA");
input: kHigh(0, "high");
input: kLow(0, "low");
input: isBackHand(false, "isBackHand");

var: maAverage(0);  
var: intraBarPersist run(true);

//maAverage = Average(Close, ma_Length);
maAverage = Average(getsymbolField("FITXN*1.TF", "close"), ma_Length);

//多
//condition1 = close[1] < maAverage[1];
//condition2 = low[1] > kHigh;
//condition3 = close[1] < kLow;
condition1 = getsymbolField("FITXN*1.TF", "close")[1] < maAverage[1];
condition2 = getsymbolField("FITXN*1.TF", "low")[1] > kHigh;
condition3 = getsymbolField("FITXN*1.TF", "close")[1] < kLow;


//防呆
Value1 = CurrentTime;
condition11 = Mod(minute(Value1), 5) = 0; //避免maAverage在K線未收線就變動
condition99 = condition11 and run;

if Position >= 1 and Filled >= 1 and condition99 then begin
    if (condition1 and condition2) or condition3 then begin 
        if isBackHand = true then 
            SetPosition(-1)
        else 
            SetPosition(0);
        run = false;
        print("maAverage:", maAverage[1]);
        print("close:", getsymbolField("FITXN*1.TF", "close")[1], "low:",  getsymbolField("FITXN*1.TF", "low")[1]);
        print("condition1:", condition1);
        print("condition2:", condition2);
        print("condition3:", condition3);
        //raiseRunTimeError("Stop");
    end;
end;

我想要用大台的資料，操作小台，想在大台收K後跌破5ma出場，但還沒有跌破，程式就執行出場，

看紀錄出場的位置，跟線圖也對不上，想請問問題出在哪？
(17:10的收K，大台是20360，小台也是20360，紀錄卻顯示20355，XQ Log 連結已用mail寄出)