//小额资产转换为BNB
function autoswaptobnb() {
    var ret = exchange.IO("api", "POST", "/sapi/v1/asset/dust-btc")
    Sleep(100)
    var dustarr = []

    for (var i = 0; i < ret.details.length; i++) {
        dustarr.push(ret.details[i].asset)
    }
    if (dustarr.length > 0) {
      Log("将进行小额资产转换", dustarr)
      var obj