为啥wps.ShowDialog在同一个函数执行多次，关闭第一窗口，其他窗口也会自动关闭

async function queryPositiveProductBomForm() {

try {

let dialogWidth = 1280;

let dialogHeight = 800;

let sheet = wps.Application.ActiveSheet;

let selection = wps.Application.Selection;

let areaCount = selection.Areas.Count;

let limitCellCount = 10;

let totalCellCount = 0;

for (let i = 1; i <= areaCount; i++) {

let area = selection.Areas.Item(i);

let cellsCount = area.Cells.Count;

for (let j = 1; j <= cellsCount; j++) {

let firstCellValue = String(area.Cells.Item(j).Value2).trim();

if (!firstCellValue) continue;

let obj = await queryNewBomInfoByProductCode(firstCellValue);

if (!obj) { continue; }

let productInfo = await queryMaterialInfoByProductCode(firstCellValue);

//查询是否有工艺路线

await Promise.all(obj.data.map(async (item) => {

const result = await queryRoutingInfoByProductCode(item.component_part);

item.route =result===null?false:true;

item.hasTime=item.route;

}));

// alert(JSON.stringify(obj.data));

totalCellCount++;

if (totalCellCount > limitCellCount) {

alert("最多只能打开" + limitCellCount + "个窗口");

return;

}

let data = {

productid: productInfo.total > 0 ? productInfo.data[0].material_no : obj.mainProductId,

productname: productInfo.total > 0 ? productInfo.data[0].item_name : obj.mainProductName,

costcenter: productInfo.total > 0 ? productInfo.data[0].default_cost_center : obj.mainCostCenter,

costcenterdesc: productInfo.total > 0 ? productInfo.data[0].default_cost_center_desc : obj.mainCostCenterDesc,

supplystrategy: productInfo.total > 0 ? productInfo.data[0].replenishment_strategy_desc : "",

bomDetail: obj.data

};

wps.PluginStorage.setItem("totalCellCount", totalCellCount);

wps.PluginStorage.setItem("bomData" + totalCellCount, JSON.stringify(data));

let htmlPath = Application.Env.GetAppDataPath() + "/kingsoft/wps/jsaddons/WN_EXT_ADDINS_0.01/index_NewBomForm.html";

let timestamp = new Date().getTime();

let urlWithTimestamp = htmlPath + "?t=" + timestamp;

let dialog = wps.ShowDialog(

urlWithTimestamp,

"BOM正查层级展示", // 窗口标题

dialogWidth, // 宽（px）

dialogHeight, // 高（px）

false, // 非模态

);

}

}

// 使用独立上下文打开每个窗口

//wps.PluginStorage.setItem("bomFormID", "bomHierarchy");

} catch (e) {

alert("错误:" + e.message);

}

}