bug fixed

kucoinStrategy3.js

@@ -77,7 +77,7 @@ class BiboxStrategy3 extends Strategy3 {
     }
 
     console.log("buy@" + buySymbol + " amount:" + amount + " price:" + buyPrice);
-    orderService.order(buySymbol, buyPrice, amount, constants.OrderSideBuy, constants.TimeInForceFOK
+    orderService.order(buySymbol, buyPrice, amount, constants.OrderSideBuy, constants.TimeInForceIOC
         , (error, order) => {
           if (error) {
             console.error("buy error:");