chore: MACD 参数由默认(12,26,9)改为(10,20,7)

src/lib/indicators.ts

@@ -46,12 +46,12 @@ export function ema(values: number[], period: number): Nums {
   return out;
 }
 
-/** MACD(12,26,9)：返回 DIF、DEA、MACD 柱（柱 = (DIF-DEA)*2，国内口径） */
+/** MACD(10,20,7)：返回 DIF、DEA、MACD 柱（柱 = (DIF-DEA)*2，国内口径） */
 export function macd(
   closes: number[],
-  fast = 12,
-  slow = 26,
-  signal = 9,
+  fast = 10,
+  slow = 20,
+  signal = 7,
 ): { dif: Nums; dea: Nums; hist: Nums } {
   const ef = ema(closes, fast);
   const es = ema(closes, slow);