if (pdfCurPageIndex >= pdfSumPages) return pdfCurPageIndex = pdfSumPages;
pdfCurPageIndex++;
pdfPromise.then(function (pdf) {
renderPdf(pdf)
})
};
function getPdf(url){
function getPdf(url){
// var url = 'http://47.94.233.173:11007/static/erp_tax_system/61063D1D-8C9E-47C1-B106-AFF696CF5D98?expire=1552466477&signiture=5IaoVIHX_pzmQgyaxdzYC2NsNOz_R0eyRUhQU1BJjiE=';