function getAllPendingOrdersInOkex(num) {
    var pending_orders = [];

    // 限价单
    var param = "instType=SWAP";
    var ret = exchanges[num].IO("api", "GET", "/api/v5/trade/orders-pending", param);
    // 止盈止损单
    param = "instType=SWAP" + "&ordType=oco,conditional";
    var ret2 = exchanges[num].IO("api", "GET", "/api/v5/trade/orders-algo-pending", param);