runtime error怎么解决

[weixin_38069570]

QByteArray temp = myCom->readAll();            QString str(temp);            QStringList list1=str.split(" ",QString::SkipEmptyParts);                           QString a=list1[0];            QString b=list1[1];            QString c=list1[2];            QString d=list1[9];            ui->tableWidget->setItem(0,0,new QTableWidgetItem(a));            ui->tableWidget->setItem(0,1,new QTableWidgetItem(b));            ui->tableWidget->setItem(0,2,new QTableWidgetItem(c));            ui->tableWidget->setItem(0,3,new QTableWidgetItem(d));一运行 接收数据时就显示错误各位帮忙看看哪里出问题了，串口接收，一有数据发过来就出错了，