#property indicator_separate_window #property indicator_buffers 4 #property indicator_color1 Black #property indicator_color2 Red #property indicator_color3 Black #property indicator_color4 Red extern bool EmailON=false; extern int FastEMA = 12; extern int SlowEMA = 26; extern int SignalSMA = 9; double g_ibuf_88; double g_ibuf_92; double g_ibuf_96; double g_ibuf_100; int init() { SetIndexStyle(0, DRAW_HISTOGRAM); SetIndexStyle(1, DRAW_LINE); SetIndexDrawBegin(1, SignalSMA); IndicatorDigits(Digits + 1); SetIndexBuffer(0, g_ibuf_88); SetIndexBuffer(1, g_ibuf_92); SetIndexBuffer(2, g_ibuf_96); SetIndexBuffer(3, g_ibuf_100); SetIndexStyle(2, DRAW_ARROW); SetIndexStyle(3, DRAW_ARROW); SetIndexArrow(2, 233); SetIndexArrow(3, 234); IndicatorShortName("MACD(" + FastEMA + "," + SlowEMA + "," + SignalSMA + ")"); SetIndexLabel(0, "MACD"); SetIndexLabel(1, "Signal"); return (0); } int start() { int li_4 = IndicatorCounted(); if (li_4 > 0) li_4--; int li_0 = Bars - li_4; for (int li_8 = 0; li_8 < li_0; li_8++) g_ibuf_88[li_8] = iMA(NULL, 0, FastEMA, 0, MODE_EMA, PRICE_CLOSE, li_8) - iMA(NULL, 0, SlowEMA, 0, MODE_EMA, PRICE_CLOSE, li_8); for (li_8 = 0; li_8 < li_0; li_8++) g_ibuf_92[li_8] = iMAOnArray(g_ibuf_88, Bars, SignalSMA, 0, MODE_SMA, li_8); for (li_8 = 0; li_8 < li_0; li_8++) { if (g_ibuf_88[li_8 + 1] < 0.0 && g_ibuf_88[li_8] > 0.0) g_ibuf_96[li_8] = g_ibuf_88[li_8]; Alert(Symbol()+"MACD 上穿0轴"); if (g_ibuf_88[li_8 + 1] > 0.0 && g_ibuf_88[li_8] < 0.0) g_ibuf_100[li_8] = g_ibuf_88[li_8]; Alert(Symbol()+"MACD 下穿0轴"); } return (0); }请问，如题，加载上去就不断提示直至卡死，如何改写才让它只提示一次呢？谢谢!!!