QLabel *name_label = qobject_cast<QLabel*>(ui->table->cellWidget(line_number, 0));
QLabel *keyword_label = qobject_cast<QLabel*>(ui->table->cellWidget(line_number, 1));
QLabel *sites_label = qobject_cast<QLabel*>(ui->table->cellWidget(line_number, 2));
QLabel *deep_label = qobject_cast<QLabel*>(ui->table->cellWidget(line_number, 3));
QPushButton *settings_button = qobject_cast<QPushButton*>(ui->table->cellWidget(line_number, 4));
QPushButton *on_off_button = qobject_cast<QPushButton*>(ui->table->cellWidget(line_number, 5));
QLabel *log_label = qobject_cast<QLabel*>(ui->table->cellWidget(line_number, 6));