judge：字体调整

MainWidget.cpp

@@ -184,12 +184,14 @@ void MainWidget::generate_table_widget()
     tab_widget_ = new QTableWidget();
     metrics_ = std::make_shared<QFontMetrics>(tab_widget_->font());
     tab_widget_->setContextMenuPolicy(Qt::CustomContextMenu);
+
     connect(tab_widget_, &QTableWidget::itemChanged, this,
             [&](QTableWidgetItem* item) { item_changed_handle(item); });
     connect(tab_widget_, &QTableWidget::customContextMenuRequested, this, &MainWidget::show_custom_menu);
     auto config = ini_.get_config();
     auto keys = CUtil::splitString(config.purpose, ",");
     keys_.clear();
+
     QStringList list;
     for (const auto& item : keys) {
         if (item.empty()) {