故障现象

可能原因
{:build_select('unwin[yy_id][]', $yuanyin, $row.other_report_text.yy_id, ['class'=>'form-control selectpicker','multiple'=>''])}

故障部位
{:build_select('unwin[bw_id][]', $buwei, $row.other_report_text.bw_id, ['class'=>'form-control selectpicker','multiple'=>''])}

排除方法
{:build_select('unwin[pc_id][]', $paichu, $row.other_report_text.pc_id, ['class'=>'form-control selectpicker','multiple'=>''])}