diff --git a/mainwindow.cpp b/mainwindow.cpp
index cedd605..8baef83 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -5,6 +5,7 @@
 #include <QPainter>
 #include <QRandomGenerator>
 #include <QSplitter>
+#include <QTime>
 #include <QVBoxLayout>
 
 #define GROUP_COVER0_PATH Qt::UserRole + 1
@@ -21,7 +22,9 @@ CoreHost host;
 MainWindow::MainWindow(QWidget* parent)
     : QMainWindow(parent), groups_view(new QListView(this)),
       groups_list(new QStandardItemModel(this)), items_view(new QListView(this)),
-      items_list(new QStandardItemModel(this))
+      items_list(new QStandardItemModel(this)), details_panel(new QSplitter(Qt::Vertical, this)),
+      cover_display(new QLabel(this)), details_view(new QTableView(this)), details_model(new QStandardItemModel(this)),
+      labels_view(new QTableView(this)), labels_model(new QStandardItemModel(this))
 {
     setMinimumSize(800, 600);
 
@@ -38,7 +41,7 @@ MainWindow::MainWindow(QWidget* parent)
     groups_list->setHorizontalHeaderLabels(QStringList() << "数量"
                                                          << "名称");
     groups_view->setItemDelegate(new GroupDisplayDelegate);
-    groups_view->setMovement(QListView::Free);
+    groups_view->setMovement(QListView::Snap);
     init_groups_list(groups_list);
 
     items_view->setItemDelegate(new ItemDisplayDelegate());
@@ -46,6 +49,19 @@ MainWindow::MainWindow(QWidget* parent)
     items_view->setResizeMode(QListView::Adjust);
 
     connect(groups_view, &QListView::clicked, this, &MainWindow::init_items_present);
+
+    details_view->setModel(details_model);
+    labels_view->setModel(labels_model);
+    cover_display->setMinimumSize(200, 300);
+
+    splitter->addWidget(details_panel);
+
+    details_panel->addWidget(cover_display);
+    auto tabs = new QTabWidget(this);
+    details_panel->addWidget(tabs);
+
+    tabs->addTab(details_view, "书籍详情");
+    tabs->addTab(labels_view, "标签编辑");
 }
 
 MainWindow::~MainWindow()
@@ -70,7 +86,8 @@ MainWindow::init_groups_list(QStandardItemModel* model)
 void
 MainWindow::init_items_present(const QModelIndex& index)
 {
-    QRandomGenerator gen;
+    items_list->clear();
+    QRandomGenerator gen(QTime::currentTime().second());
     for (int idx = 0; idx < 200; ++idx) {
         auto item = new QStandardItem("随机名称");
         item->setData((gen.generate() % 2 == 1 ? ":/imgs/default/cover.jpg" : ":/imgs/default/cover_item.jpg"), ITEM_ICON_PATH);
diff --git a/mainwindow.h b/mainwindow.h
index 6f25ceb..db56365 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -2,8 +2,10 @@
 #define MAINWINDOW_H
 
 #include <QItemDelegate>
+#include <QLabel>
 #include <QListView>
 #include <QMainWindow>
+#include <QSplitter>
 #include <QStandardItemModel>
 #include <QTableView>
 
@@ -49,6 +51,13 @@ private:
     QStandardItemModel* const groups_list;
     QListView* const items_view;
     QStandardItemModel* const items_list;
+    QSplitter* const details_panel;
+
+    QLabel* const cover_display;
+    QTableView* const details_view;
+    QStandardItemModel* const details_model;
+    QTableView* const labels_view;
+    QStandardItemModel* const labels_model;
 
     void init_groups_list(QStandardItemModel* model);
     void init_items_present(const QModelIndex& index);