tableExport.js 中搜索
tdcss = defaults.mso.onMsoNumberFormat(cell, row, col);
在if语句后添加else语句
else {tdcss ='\@';}
if (typeof tdcss === 'undefined' && typeof defaults.mso.onMsoNumberFormat === 'function') {tdcss = defaults.mso.onMsoNumberFormat(cell, row, col);} else {tdcss ='\@';}