diff --git a/include/attributeSelector.h b/include/attributeSelector.h
index 9a2d3ec..ff6e317 100644
--- a/include/attributeSelector.h
+++ b/include/attributeSelector.h
@@ -3,7 +3,7 @@
 
 #include "global.h"
 #include "messageDialog.h"
-#include <QWidget>
+#include <QDialog>
 
 QT_BEGIN_NAMESPACE
 namespace Ui {
@@ -13,8 +13,9 @@ QT_END_NAMESPACE
 
 class MainWindow;
 class AttributeView;
+class CustomBorderContainer;
 
-class AttributeSelector : public QWidget
+class AttributeSelector : public QDialog
 {
     Q_OBJECT
 
@@ -25,20 +26,34 @@ public:
     void setMainWindow(MainWindow*);
 
 protected:
-    virtual void showEvent(QShowEvent*);
+    void showEvent(QShowEvent*) override;
+    bool eventFilter(QObject*, QEvent*) override;
 
 private slots:
+    void onBtnClicked_search();
     void onBtnClicked_refreshData();
+    void onBtnClicked_submitSelect();
+    void onBtnClicked_cancleSelect();
+    void onEditingFinished_attributeType();
+    void onComboBoxTextChanged_model(const QString&);
+    void onComboBoxTextChanged_group(const QString&);
     void onSyncDataStatus(bool, const PaginationInfo&);
     void onShowMessage(MessageDialogType,const QString&,const QString&);
 
 private:
     void iniData();
+    void refresh();
 
     Ui::AttributeSelector *ui;
     MainWindow* m_pMainWindow;
     AttributeView* m_attributeView;
+    CustomBorderContainer* m_customBorderContainer;
+
+    bool m_isFirstShow;
     QString m_connection;
+    QString m_fliterChars_type;
+    QString m_curModelName;
+    QString m_curGroupName;
 };
 
 #endif //ATTRIBUTESELECTOR_H
diff --git a/include/attributeTableModel.h b/include/attributeTableModel.h
index f4c0846..6bb86b2 100644
--- a/include/attributeTableModel.h
+++ b/include/attributeTableModel.h
@@ -19,6 +19,7 @@
 #include "global.h"
 #include "messageDialog.h"
 
+class QItemSelectionModel;
 class AttributeTableModel : public QAbstractTableModel
 {
     Q_OBJECT
@@ -55,6 +56,7 @@ public:
     int columnCount(const QModelIndex& parent = QModelIndex()) const override;
     Qt::ItemFlags flags(const QModelIndex &index) const override;
 
+    void setSelectionModel(QItemSelectionModel*);
     //ModelAttributeGroup getModelAttributeGroup() {return m_modelAttributeGroup;}
     void setModelAttributeGroup(const ModelAttributeGroup&);
     bool attributeTypeExistsInCurrentGroup(int, const QString&); //除数据库外，还有从内存存储的数据(当前页m_currentPageData)中进行查找判断，因为可能有编辑完但未提交至数据空的信息
@@ -76,7 +78,8 @@ public:
     void refresh();
     void forceRefresh(); //强制刷新(不会出现询问提示，数据同步时会用到)
     void insertRecord(int);
-    void removeRecord(int);
+    void removeRecord();
+    bool removeRecord(int);
     void submitChanges(); //提交更改（增、删、改）
     void cancleChanges(); //取消修改
 
@@ -87,6 +90,7 @@ public:
     QMap<int, DataType> getDataTypes() {return m_dataTypes;}
     void triggerSyncSignal();
     bool dataHasbeenModified() {return !m_modifiedRows.isEmpty();};
+    void setFilterChars_attributeType(const QString& filterChars) {m_filterChars_attributeType = filterChars;}
 
 signals:
     void syncDataStatus(bool, const PaginationInfo&);
@@ -115,8 +119,11 @@ private:
     QList<RowData> filterRowsByEditState(EditStateFlag);
     int getDataTypeID(const QString&);
 
+    QItemSelectionModel* m_selectionModel;
+
     QString m_connection;
     QString m_tableName;
+    QString m_filterChars_attributeType;
     ModelAttributeGroup m_modelAttributeGroup;
 
     PaginationInfo m_paginationInfo;
diff --git a/include/dbBrowser.h b/include/dbBrowser.h
index ac22166..9317551 100644
--- a/include/dbBrowser.h
+++ b/include/dbBrowser.h
@@ -32,6 +32,7 @@ private slots:
     void onSyncDataStatus(bool, const PaginationInfo&);
     void onShowMessage(MessageDialogType,const QString&,const QString&);
 
+    void onBtnClicked_selectRecord();
     void onBtnClicked_addRecord();
     void onBtnClicked_removeRecord();
     void onBtnClicked_submitChanges();
@@ -51,6 +52,9 @@ private:
     MainWindow* m_pMainWindow;
     QList<AttributeView> m_attributeViewList;
     int m_previousTabIndex;
+
+signals:
+    void openAttributeSelector();
 };
 
 #endif //DBBROWSER_H
diff --git a/include/mainwindow.h b/include/mainwindow.h
index a36f982..4ad2532 100644
--- a/include/mainwindow.h
+++ b/include/mainwindow.h
@@ -13,6 +13,7 @@ class DBStructureView;
 class DBStructureModel;
 class ModelInfoEditDialog;
 class GroupSelectionDialog;
+class AttributeSelector;
 
 QT_BEGIN_NAMESPACE
 namespace Ui {
@@ -49,6 +50,7 @@ private:
     DBStructureModel* m_pDBStrutureModel;
     ModelInfoEditDialog* m_pModelInfoDialog;
     GroupSelectionDialog* m_pGroupSelectionDialog;
+    AttributeSelector* m_pAttributeSelector;
 
 private slots:
     void onActionTrigger_connect();
@@ -66,6 +68,7 @@ private slots:
     void onSIG_openAttributeInfo(const QString&, ModelAttributeGroup&);
     void onSIG_closeAttributeInfo(ModelAttributeGroup&);
     void onSIG_closeAllAttributeInfo();
+    void onSIG_openAttributeSelector();
 };
 
 #endif // MAINWINDOW_H
diff --git a/include/sqlQueryExecutor.h b/include/sqlQueryExecutor.h
index 8f126bd..b28d775 100644
--- a/include/sqlQueryExecutor.h
+++ b/include/sqlQueryExecutor.h
@@ -31,6 +31,7 @@ public:
     bool removeAttributeGroup(const QString&, int, int);
     //模型相关
     const QVector<Model> getModels(const QString&);
+    int getModelCount(const QString&);
     bool addModel(const QString&, Model&);
     bool modelNameExistsInDB(const QString&, const QString&);
     bool modelTypeExistsInDB(const QString&, const QString&);
diff --git a/source/attributeSelector.cpp b/source/attributeSelector.cpp
index ec7f90f..cf77522 100644
--- a/source/attributeSelector.cpp
+++ b/source/attributeSelector.cpp
@@ -2,19 +2,37 @@
 #include "ui_attributeSelector.h"
 #include "mainwindow.h"
 #include "attributeView.h"
+#include "customBorderContainer.h"
 #include "sqlQueryExecutor.h"
 
 AttributeSelector::AttributeSelector(const QString& connection, QWidget *parent)
-    : QWidget(parent)
+    : QDialog(parent)
     , ui(new Ui::AttributeSelector)
     , m_connection(connection)
 {
     ui->setupUi(this);
+    if(QSysInfo::kernelType() == "linux")
+    {
+        //Linux下默认的Qt::Dialog即使有父窗口也无法按照子窗口的行为进行展示，并且最大、最小按钮不好关闭，因此需要去掉Dialog属性，随之而来的问题是，模态无法起作用
+        setWindowFlags(windowFlags() & ~Qt::Dialog);
+        setStyleSheet("QDialog{border: 1px solid rgb(205,205,205);border-radius:5px;background-color:rgb(245,245,245);}");
+
+        m_customBorderContainer = new CustomBorderContainer(this);
+        m_customBorderContainer->setOperationOptions(CustomBorderContainer::Movable | CustomBorderContainer::Resizable);
+    }
+
+    m_isFirstShow = true;
+    QRegularExpression regExp("[A-Za-z0-9_]+");
+    QRegularExpressionValidator* validator = new QRegularExpressionValidator(regExp, this);
+    ui->lineEdit_attributeType->setValidator(validator);
+    ui->lineEdit_attributeType->installEventFilter(this);
+
     //隐藏一些功能按钮
     ui->btnAdd->setVisible(false);
     ui->btnRemove->setVisible(false);
     ui->btnSave->setVisible(false);
     ui->btnCancle->setVisible(false);
+    ui->btnSearch->setVisible(false);
 
     ModelAttributeGroup attributeGroup(-1, -1, "" ,"");
     m_attributeView = new AttributeView(attributeGroup, ui->attributeViewContainer, connection);
@@ -23,7 +41,14 @@ AttributeSelector::AttributeSelector(const QString& connection, QWidget *parent)
     connect(m_attributeView->model(), &AttributeTableModel::showMessage, this, &AttributeSelector::onShowMessage);
     connect(m_attributeView->model(), &AttributeTableModel::syncDataStatus, this, &AttributeSelector::onSyncDataStatus);
 
+    connect(ui->btnSearch, &QPushButton::clicked, this, &AttributeSelector::onBtnClicked_search);
     connect(ui->btnRefresh, &QPushButton::clicked, this, &AttributeSelector::onBtnClicked_refreshData);
+    connect(ui->btnSave, &QPushButton::clicked, this, &AttributeSelector::onBtnClicked_submitSelect);
+    connect(ui->btnCancle, &QPushButton::clicked, this, &AttributeSelector::onBtnClicked_cancleSelect);
+    //editingFinished在输入的内容为空时不会触发，所以改为在eventFilter中实现
+    //connect(ui->lineEdit_attributeType, &QLineEdit::editingFinished, this, &AttributeSelector::onEditingFinished_attributeType);
+
+    iniData();
 }
 
 AttributeSelector::~AttributeSelector()
@@ -34,23 +59,98 @@ AttributeSelector::~AttributeSelector()
 void AttributeSelector::iniData()
 {
     ui->lineEdit_attributeType->setText("");
+    m_fliterChars_type = "";
 
     ui->comboBox_model->clear();
-    ui->comboBox_model->addItem(QString::fromWCharArray(L"所有模型"), -1);
+    ui->comboBox_model->addItem(QString::fromWCharArray(L"所有属性"), -1);
     const QVector<Model> models = SqlQueryExecutor::instance().getModels(m_connection);
     for(const Model& model : models)
         ui->comboBox_model->addItem(model.name, model.id);
+    ui->comboBox_model->setCurrentIndex(0);
+    m_curModelName = ui->comboBox_model->currentText();
 
     ui->comboBox_group->clear();
-    ui->comboBox_group->addItem(QString::fromWCharArray(L"所有属性组"), -1);
-    const QVector<AttributeGroup> groups = SqlQueryExecutor::instance().getAttributeGroup(m_connection);
-    for(const AttributeGroup& group : groups)
-        ui->comboBox_group->addItem(group.name, group.id);
+    ui->comboBox_group->addItem(QString::fromWCharArray(L"所有属性"), -1);
+    ui->comboBox_group->setCurrentIndex(0);
+    m_curGroupName = ui->comboBox_group->currentText();
+
+    connect(ui->comboBox_model, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_model);
+    connect(ui->comboBox_group, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_group);
+}
+
+void AttributeSelector::refresh()
+{
+    //qDebug() << "refresh";
+    m_fliterChars_type = ui->lineEdit_attributeType->text();
+
+    int modelID = ui->comboBox_model->currentData().toInt();
+    m_curModelName = ui->comboBox_model->currentText();
+    int groupID = ui->comboBox_group->currentData().toInt();
+    m_curGroupName = ui->comboBox_group->currentText();
+
+    ModelAttributeGroup attributeGroup(modelID, groupID, m_curModelName ,m_curGroupName);
+    AttributeTableModel* model = m_attributeView->model();
+    if(model)
+    {
+        model->setFilterChars_attributeType(m_fliterChars_type);
+        model->setModelAttributeGroup(attributeGroup);
+    }
 }
 
 void AttributeSelector::showEvent(QShowEvent* e)
 {
+    if(m_isFirstShow)
+    {
+        m_isFirstShow = false;
+        return QWidget::showEvent(e);
+    }
 
+    //存储数据有可能发生变化，所以每次打开都执行刷新操作
+    //刷新模型数据
+    disconnect(ui->comboBox_model, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_model); //断开信号
+
+    ui->comboBox_model->clear();
+    ui->comboBox_model->addItem(QString::fromWCharArray(L"所有属性"), -1);
+    const QVector<Model> models = SqlQueryExecutor::instance().getModels(m_connection);
+    for(const Model& model : models)
+        ui->comboBox_model->addItem(model.name, model.id);
+
+    bool modelExists = true;
+    if(ui->comboBox_model->currentIndex() != 0)
+        modelExists = SqlQueryExecutor::instance().modelNameExistsInDB(m_connection, m_curModelName);
+    if(!modelExists)
+    {
+        //更新当前模型，更新前链接信号，同步属性组
+        connect(ui->comboBox_model, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_model);
+        ui->comboBox_model->setCurrentIndex(0);
+    }
+    else
+    {
+        //当前模型并未变化，先定位再链接信号，防止属性组被刷新(因为上面ui->comboBox_model进行了重置，因此这里的setCurrentText会触发currentTextChanged信号)
+        ui->comboBox_model->setCurrentText(m_curModelName);
+        connect(ui->comboBox_model, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_model);
+    }
+
+    refresh();
+    QWidget::showEvent(e);
+}
+
+bool AttributeSelector::eventFilter(QObject* obj, QEvent* event)
+{
+    if(obj == ui->lineEdit_attributeType)
+    {
+        if(event->type() == QEvent::KeyPress)
+        {
+            QKeyEvent* pKeyEvent = static_cast<QKeyEvent*>(event);
+            if (pKeyEvent->key() == Qt::Key_Enter || pKeyEvent->key() == Qt::Key_Return)
+            {
+                onEditingFinished_attributeType();
+            }
+        }
+        else if(event->type() == QEvent::FocusOut)
+            onEditingFinished_attributeType();
+    }
+    return QDialog::eventFilter(obj, event);
 }
 
 void AttributeSelector::setMainWindow(MainWindow* window)
@@ -58,11 +158,72 @@ void AttributeSelector::setMainWindow(MainWindow* window)
     m_pMainWindow = window;
 }
 
+void AttributeSelector::onBtnClicked_search()
+{
+    if(m_fliterChars_type != ui->lineEdit_attributeType->text() ||  m_curModelName != ui->comboBox_model->currentText()
+        || m_curGroupName != ui->comboBox_group->currentText()) //只有搜索条件发生了变化才做响应
+    {
+        refresh();
+    }
+}
+
+void AttributeSelector::onComboBoxTextChanged_model(const QString& text)
+{
+    //刷新group的combobox，所以先断开链接
+    disconnect(ui->comboBox_group, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_group);
+    ui->comboBox_group->clear();
+
+    if(ui->comboBox_model->currentIndex() == 0)
+        ui->comboBox_group->addItem(QString::fromWCharArray(L"所有属性"), -1);
+    else //一个属性可以出现在同一个模型的不同属性组，所以具体模型就不设置‘所有属性组’这一选项了
+    {
+        int modelID = ui->comboBox_model->currentData().toInt();
+        QVector<int> groups = SqlQueryExecutor::instance().getModelGroups(m_connection, modelID);
+        for(int groupID : groups)
+        {
+            AttributeGroup group = SqlQueryExecutor::instance().getAttributeGroupData(m_connection, groupID);
+            if(group.name.isEmpty())
+                continue;
+
+            ui->comboBox_group->addItem(group.name, group.id);
+        }
+    }
+    if(ui->comboBox_group->count() == 0)
+        ui->comboBox_group->addItem(QString::fromWCharArray(L"未查询到属性组"), -1);
+
+    ui->comboBox_group->setCurrentIndex(0);
+    m_curGroupName = ui->comboBox_group->currentText();
+
+    //刷新完成，重新链接
+    connect(ui->comboBox_group, &QComboBox::currentTextChanged, this, &AttributeSelector::onComboBoxTextChanged_group);
+
+    refresh();
+}
+
+void AttributeSelector::onComboBoxTextChanged_group(const QString& text)
+{
+    refresh();
+}
+
 void AttributeSelector::onBtnClicked_refreshData()
 {
-    AttributeTableModel* model = m_attributeView->model();
-    if(model)
-        model->forceRefresh();
+    refresh();
+}
+
+void AttributeSelector::onBtnClicked_submitSelect()
+{
+
+}
+
+void AttributeSelector::onBtnClicked_cancleSelect()
+{
+    close();
+}
+
+void AttributeSelector::onEditingFinished_attributeType()
+{
+    if(m_fliterChars_type != ui->lineEdit_attributeType->text())
+        refresh();
 }
 
 void AttributeSelector::onSyncDataStatus(bool hasModifiedData, const PaginationInfo& paginationInfo)
diff --git a/source/attributeTableDelegate.cpp b/source/attributeTableDelegate.cpp
index 250a0db..23f4101 100644
--- a/source/attributeTableDelegate.cpp
+++ b/source/attributeTableDelegate.cpp
@@ -140,6 +140,24 @@ void AttributeTableDelegate::paint(QPainter* painter, const QStyleOptionViewItem
         //opt.palette.setColor(QPalette::Text, Qt::red);
     }
 
+    //处理被选择时的背景色，注意：如果qss中有设置，会覆盖此处逻辑
+    if(option.state.testFlag(QStyle::State_Selected))
+    {
+        if(index.column() == 0)
+            painter->fillRect(opt.rect, QColor(70, 130, 180));
+        else
+            painter->fillRect(opt.rect, QColor(211, 241, 250));
+    }
+
+    //如果行号列(第一列)被选中，做整行处理
+    if(m_tableView && m_tableView->model() && index.column() != 0)
+    {
+        QModelIndex numberIndex = m_tableView->model()->index(index.row(), 0);
+        QItemSelectionModel *selectionModel = m_tableView->selectionModel();
+        if(selectionModel->isSelected(numberIndex))
+            painter->fillRect(opt.rect, QColor(211, 241, 250));
+    }
+
     //先执行默认绘制（包括背景、文本等基础元素）
     QStyledItemDelegate::paint(painter, opt, index);
 
diff --git a/source/attributeTableModel.cpp b/source/attributeTableModel.cpp
index 740bc51..51a398f 100644
--- a/source/attributeTableModel.cpp
+++ b/source/attributeTableModel.cpp
@@ -2,13 +2,16 @@
 #include "attributeNamespace.h"
 #include "logger.h"
 #include "sqlQueryExecutor.h"
+#include <QItemSelectionModel>
 
 AttributeTableModel::AttributeTableModel(const ModelAttributeGroup& modelAttributeGroup, QObject* parent, const QString& connection, const QString& tableName)
     : QAbstractTableModel(parent)
     , m_connection(connection)
     , m_tableName(tableName)
     , m_modelAttributeGroup(modelAttributeGroup)
+    , m_selectionModel(nullptr)
 {
+    m_filterChars_attributeType = "";
     m_paginationInfo.entriesPerPage = 100;
     m_paginationInfo.currentPage = 1;
     m_paginationInfo.totalEntries = 0;
@@ -189,6 +192,17 @@ Qt::ItemFlags AttributeTableModel::flags(const QModelIndex &index) const
     return flags;
 }
 
+void AttributeTableModel::setSelectionModel(QItemSelectionModel* sm)
+{
+    m_selectionModel = sm;
+    connect(m_selectionModel, &QItemSelectionModel::selectionChanged, this, [this]{
+        //刷新整个区域
+        QModelIndex topLeft = createIndex(0, 0);
+        QModelIndex bottomRight = createIndex(rowCount() - 1, columnCount() - 1);
+        emit dataChanged(topLeft, bottomRight);
+    });
+}
+
 void AttributeTableModel::setModelAttributeGroup(const ModelAttributeGroup& modelAttributeGroup)
 {
     m_modelAttributeGroup = modelAttributeGroup;
@@ -350,6 +364,10 @@ void AttributeTableModel::loadPageData()
             QSqlQuery query = SqlQueryExecutor::instance().executeSQL(m_connection, strSQL);
             while(query.next())
             {
+                QString type = query.value(0).toString();
+                if(!m_filterChars_attributeType.isEmpty() && !type.contains(m_filterChars_attributeType))
+                    continue;
+
                 RowData data;
                 for(int i = 0; i < columns.count(); i++)
                     data.values.append(query.value(i));
@@ -370,8 +388,8 @@ void AttributeTableModel::loadPageData()
                          .arg(m_modelAttributeGroup.groupID)
                          .arg(m_paginationInfo.entriesPerPage)
                          .arg((m_paginationInfo.currentPage - 1) * m_paginationInfo.entriesPerPage);
-        else //利用短路机制，当attribute_group_id!=-1时，括号整体为false，需要进行内部条件判断，=-1时，整体为true，忽略整体，也就忽略了attribute_group_id的条件判断
-            strSQL = QString("SELECT attribute_id FROM basic.model_attribute WHERE model_type_id = %1 AND (attribute_group_id = %2 OR %2 = -1) LIMIT %3 OFFSET %4")
+        //利用短路机制，当attribute_group_id!=-1时，括号整体为false，需要进行内部条件判断，=-1时，整体为true，忽略整体，也就忽略了attribute_group_id的条件判断
+        else strSQL = QString("SELECT attribute_id FROM basic.model_attribute WHERE model_type_id = %1 AND (attribute_group_id = %2 OR %2 = -1) LIMIT %3 OFFSET %4")
                                  .arg(m_modelAttributeGroup.modelID)
                                  .arg(m_modelAttributeGroup.groupID)
                                  .arg(m_paginationInfo.entriesPerPage)
@@ -385,6 +403,9 @@ void AttributeTableModel::loadPageData()
                 attribute.id = query.value(0).toInt();
                 if(SqlQueryExecutor::instance().getAttributeInfo(m_connection, columns.join(", "), attribute))
                 {
+                    if(!m_filterChars_attributeType.isEmpty() && !attribute.type.contains(m_filterChars_attributeType))
+                        continue;
+
                     RowData data;
                     data.values.append(attribute.type);
                     data.values.append(attribute.name);
@@ -442,28 +463,28 @@ int AttributeTableModel::totalPages() const
 
 void AttributeTableModel::previousPage()
 {
-    if(m_paginationInfo.entriesPerPage == 1)
+    if(m_paginationInfo.currentPage == 1)
         return;
 
-    setCurrentPage(m_paginationInfo.entriesPerPage--);
+    setCurrentPage(m_paginationInfo.currentPage--);
 }
 void AttributeTableModel::nextPage()
 {
-    if(m_paginationInfo.entriesPerPage == totalPages())
+    if(m_paginationInfo.currentPage == totalPages())
         return;
 
-    setCurrentPage(m_paginationInfo.entriesPerPage++);
+    setCurrentPage(m_paginationInfo.currentPage++);
 }
 void AttributeTableModel::firstPage()
 {
-    if(m_paginationInfo.entriesPerPage == 1)
+    if(m_paginationInfo.currentPage == 1)
         return;
 
     setCurrentPage(1);
 }
 void AttributeTableModel::lastPage()
 {
-    if(m_paginationInfo.entriesPerPage == totalPages())
+    if(m_paginationInfo.currentPage == totalPages())
         return;
 
     setCurrentPage(totalPages());
@@ -547,10 +568,23 @@ void AttributeTableModel::insertRecord(int row)
     endInsertRows();
 }
 
-void AttributeTableModel::removeRecord(int row)
+void AttributeTableModel::removeRecord()
+{
+    //以第一列也就是编号列是否选中为判断依据，找出所有被选中的行
+    for(int row = 0; row < rowCount(); row++)
+    {
+        QModelIndex numberIndex = createIndex(row, 0);
+        if(m_selectionModel && m_selectionModel->isSelected(numberIndex))
+        {
+            if(removeRecord(row))
+                row--;
+        }
+    }
+}
+bool AttributeTableModel::removeRecord(int row)
 {
     if(row < 0 || row > rowCount())
-        return;
+        return false;
 
     /*emit showMessage(type_question, QString::fromWCharArray(L"提示"),
                      QString::fromWCharArray(L"确认要删除该记录吗？"));
@@ -565,6 +599,7 @@ void AttributeTableModel::removeRecord(int row)
         m_modifiedRows.remove(globalRow);
         m_currentPageData.removeAt(row);
         endRemoveRows();
+        return true;
     }
     else //整行画红线进行标记
     {
@@ -575,6 +610,7 @@ void AttributeTableModel::removeRecord(int row)
         QModelIndex topLeft = createIndex(row, 0);
         QModelIndex bottomRight = createIndex(row, columnCount() - 1);
         emit dataChanged(topLeft, bottomRight, {Qt::DisplayRole});
+        return false;
     }
 
 }
diff --git a/source/attributeView.cpp b/source/attributeView.cpp
index c5460c3..796f649 100644
--- a/source/attributeView.cpp
+++ b/source/attributeView.cpp
@@ -24,6 +24,7 @@ AttributeView::AttributeView(const ModelAttributeGroup& modelAttributeGroup, QWi
 
     m_attributeTableModel = new AttributeTableModel(m_modelAttributeGroup, this, m_connection, m_attributeTable);
     m_tableView->setModel(m_attributeTableModel);
+    m_attributeTableModel->setSelectionModel(m_tableView->selectionModel()); //注意selectionModel()一定要在视图setModel后，否则返回的是空指针
 
     m_attributeTableDelegate = new AttributeTableDelegate(m_tableView, m_connection, m_tableView);
     m_tableView->setItemDelegate(m_attributeTableDelegate);
@@ -45,10 +46,19 @@ AttributeView::AttributeView(const ModelAttributeGroup& modelAttributeGroup, QWi
         m_multiLinHeader->setSectionLineStyle(i, 1, subTitleStyle);
     }
     m_tableView->setHorizontalHeader(m_multiLinHeader);
-    //除了第一列其余列恢复可以手动调整模式
+    //除了第一列其余列恢复可以手动调整模式，并根据外部承载容器的宽度调整section
     QTimer::singleShot(1000, this, [=](){
+        int containerWidth = this->width() - 100;
+        int totalSize = m_multiLinHeader->length() - m_multiLinHeader->sectionSize(0);
         for(int i = 1; i < m_multiLinHeader->count(); i++)
+        {
+            //恢复手动调整模式
             m_multiLinHeader->setSectionResizeMode(i, QHeaderView::Interactive);
+            //根据比例计算每个section应当对应的大小
+            /*double ratio = m_multiLinHeader->sectionSize(i) / (double)totalSize;
+            int size = containerWidth * ratio;
+            m_multiLinHeader->resizeSection(i, size);*/
+        }
     });
 
     m_vLayout = new QVBoxLayout(this);
diff --git a/source/dbBrowser.cpp b/source/dbBrowser.cpp
index 6b213ce..08bc8ed 100644
--- a/source/dbBrowser.cpp
+++ b/source/dbBrowser.cpp
@@ -21,6 +21,7 @@ DatabaseBrowser::DatabaseBrowser(QWidget *parent)
     connect(ui->tabWidget, &QTabWidget::tabCloseRequested, this, &DatabaseBrowser::onTabCloseRequested);
     connect(ui->tabWidget, &QTabWidget::currentChanged, this, &DatabaseBrowser::onCurrentTabChanged);
 
+    connect(ui->btnSelect, &QPushButton::clicked, this, &DatabaseBrowser::onBtnClicked_selectRecord);
     connect(ui->btnAdd, &QPushButton::clicked, this, &DatabaseBrowser::onBtnClicked_addRecord);
     connect(ui->btnRemove, &QPushButton::clicked, this, &DatabaseBrowser::onBtnClicked_removeRecord);
     connect(ui->btnSave, &QPushButton::clicked, this, &DatabaseBrowser::onBtnClicked_submitChanges);
@@ -151,6 +152,7 @@ void DatabaseBrowser::onCurrentTabChanged(int index)
 
     if(index == -1) //最后一个tab关闭时会触发
     {
+        ui->btnSelect->setEnabled(false);
         ui->btnAdd->setEnabled(false);
         ui->btnRemove->setEnabled(false);
         ui->btnCancle->setEnabled(false);
@@ -173,6 +175,7 @@ void DatabaseBrowser::onCurrentTabChanged(int index)
     AttributeView* attributeView = qobject_cast<AttributeView*>(widget);
     if(attributeView)
     {
+        ui->btnSelect->setEnabled(true);
         ui->btnAdd->setEnabled(true);
         ui->btnRemove->setEnabled(true);
         ui->btnCancle->setEnabled(true);
@@ -188,6 +191,11 @@ void DatabaseBrowser::onCurrentTabChanged(int index)
     }
 }
 
+void DatabaseBrowser::onBtnClicked_selectRecord()
+{
+    emit openAttributeSelector();
+}
+
 void DatabaseBrowser::onBtnClicked_addRecord()
 {
     QWidget* widget = ui->tabWidget->currentWidget();
@@ -219,14 +227,17 @@ void DatabaseBrowser::onBtnClicked_removeRecord()
         AttributeTableModel* model = attributeView->model();
         if(view && model)
         {
-            QModelIndex currentIndex = view->currentIndex();
+            /*QModelIndex currentIndex = view->currentIndex();
             int row = currentIndex.row();
             if( row != -1)
             {
                 model->removeRecord(row);
                 ui->btnSave->setEnabled(true);
                 ui->btnCancle->setEnabled(true);
-            }
+            }*/
+            model->removeRecord();
+            ui->btnSave->setEnabled(true);
+            ui->btnCancle->setEnabled(true);
         }
     }
 }
diff --git a/source/mainwindow.cpp b/source/mainwindow.cpp
index 52a94b4..e0da2ed 100644
--- a/source/mainwindow.cpp
+++ b/source/mainwindow.cpp
@@ -10,6 +10,7 @@
 #include "sqlQueryExecutor.h"
 #include "modelInfoEditDialog.h"
 #include "groupSelectionDialog.h"
+#include "attributeSelector.h"
 
 #include <QKeyEvent>
 #include <QScreen>
@@ -23,6 +24,7 @@ MainWindow::MainWindow(QWidget *parent)
     , m_pConnectionDialog(nullptr)
     , m_pModelInfoDialog(nullptr)
     , m_pGroupSelectionDialog(nullptr)
+    , m_pAttributeSelector(nullptr)
 {
     ui->setupUi(this);
 
@@ -75,6 +77,7 @@ void MainWindow::initialize()
 
     m_dbBrowser = new DatabaseBrowser(this);
     m_dbBrowser->setMainWindow(this);
+    connect(m_dbBrowser, &DatabaseBrowser::openAttributeSelector, this, &MainWindow::onSIG_openAttributeSelector);
     ui->layoutAttributeBrowser->addWidget(m_dbBrowser);
 
     m_pDBStrutureView = new DBStructureView(m_dbManager, this);
@@ -304,3 +307,29 @@ void MainWindow::onSIG_closeAllAttributeInfo()
     if(m_dbBrowser)
         m_dbBrowser->closeAllTab_attribute();
 }
+
+void MainWindow::onSIG_openAttributeSelector()
+{
+    if(m_pAttributeSelector && m_pAttributeSelector->isVisible())
+        return;
+
+    if(m_pAttributeSelector == nullptr)
+    {
+        m_pAttributeSelector = new AttributeSelector(getCurConnection(), this);
+        m_pAttributeSelector->setMainWindow(this);
+        m_pAttributeSelector->installEventFilter(this);
+        connect(m_pAttributeSelector, &AttributeSelector::finished, this, [=]{ MaskManager::instance()->hideMask(m_pGroupSelectionDialog);});
+    }
+
+    int nX = this->geometry().x() + (this->width() - m_pAttributeSelector->width()) * 0.5;
+    int nY = this->geometry().y() + (this->height() - m_pAttributeSelector->height()) * 0.5;
+    m_pAttributeSelector->move(nX, nY);
+
+    if(QSysInfo::kernelType() == "linux")
+    {
+        MaskManager::instance()->showMask(m_pAttributeSelector);
+        m_pAttributeSelector->show();
+    }
+    else
+        m_pAttributeSelector->exec();
+}
diff --git a/source/sqlQueryExecutor.cpp b/source/sqlQueryExecutor.cpp
index 9c3b6cc..bdb84cf 100644
--- a/source/sqlQueryExecutor.cpp
+++ b/source/sqlQueryExecutor.cpp
@@ -213,6 +213,23 @@ const QVector<Model> SqlQueryExecutor::getModels(const QString& connectionName)
     }
     return models; //编译器的RVO/NRVO会自动优化、避免临时拷贝
 }
+int SqlQueryExecutor::getModelCount(const QString& connectionName)
+{
+    int count = 0;
+    QString strSQL = QString("SELECT COUNT(*) FROM basic.model_type");
+    try
+    {
+        QSqlQuery query = executeSQL(connectionName, strSQL);
+        if(query.next())
+            count = query.value(0).toInt();
+    }
+    catch (const DatabaseException& e)
+    {
+        LOG_ERROR("SQL", QString::fromWCharArray(L"获取模型数量失败"));
+    }
+
+    return count;
+}
 QVector<int> SqlQueryExecutor::getModelGroups(const QString& connectionName, int modelID)
 {
     QVector<int> groups;
diff --git a/ui/attributeSelector.ui b/ui/attributeSelector.ui
index b11c73a..41977b6 100644
--- a/ui/attributeSelector.ui
+++ b/ui/attributeSelector.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1127</width>
-    <height>585</height>
+    <width>1042</width>
+    <height>492</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -133,7 +133,7 @@ background-color:rgb(67,160,249);
         <x>255</x>
         <y>5</y>
         <width>113</width>
-        <height>25</height>
+        <height>26</height>
        </rect>
       </property>
       <item>
@@ -148,7 +148,7 @@ background-color:rgb(67,160,249);
         <x>450</x>
         <y>5</y>
         <width>113</width>
-        <height>25</height>
+        <height>26</height>
        </rect>
       </property>
       <item>
@@ -349,7 +349,49 @@ QPushButton:pressed
         </widget>
         <widget class="QPushButton" name="btnSave">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
+         </property>
+         <property name="geometry">
+          <rect>
+           <x>36</x>
+           <y>5</y>
+           <width>21</width>
+           <height>21</height>
+          </rect>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>21</width>
+           <height>21</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>21</width>
+           <height>21</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>完成</string>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="icon">
+          <iconset resource="../resource/PowerModeler.qrc">
+           <normaloff>:/img/images/icon_done.png</normaloff>
+           <disabledoff>:/img/images/icon_done_disable.png</disabledoff>:/img/images/icon_done.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>16</width>
+           <height>16</height>
+          </size>
+         </property>
+        </widget>
+        <widget class="QPushButton" name="btnCancle">
+         <property name="enabled">
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
@@ -372,49 +414,7 @@ QPushButton:pressed
           </size>
          </property>
          <property name="toolTip">
-          <string>提交修改</string>
-         </property>
-         <property name="text">
-          <string/>
-         </property>
-         <property name="icon">
-          <iconset resource="../resource/PowerModeler.qrc">
-           <normaloff>:/img/images/icon_done.png</normaloff>
-           <disabledoff>:/img/images/icon_done_disable.png</disabledoff>:/img/images/icon_done.png</iconset>
-         </property>
-         <property name="iconSize">
-          <size>
-           <width>16</width>
-           <height>16</height>
-          </size>
-         </property>
-        </widget>
-        <widget class="QPushButton" name="btnCancle">
-         <property name="enabled">
-          <bool>false</bool>
-         </property>
-         <property name="geometry">
-          <rect>
-           <x>88</x>
-           <y>5</y>
-           <width>21</width>
-           <height>21</height>
-          </rect>
-         </property>
-         <property name="minimumSize">
-          <size>
-           <width>21</width>
-           <height>21</height>
-          </size>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>21</width>
-           <height>21</height>
-          </size>
-         </property>
-         <property name="toolTip">
-          <string>取销修改</string>
+          <string>取销</string>
          </property>
          <property name="text">
           <string/>
@@ -437,7 +437,7 @@ QPushButton:pressed
          </property>
          <property name="geometry">
           <rect>
-           <x>114</x>
+           <x>10</x>
            <y>5</y>
            <width>21</width>
            <height>21</height>
@@ -542,7 +542,7 @@ background-color: rgb(255, 255, 255);</string>
         </widget>
         <widget class="QPushButton" name="btnFirstPage">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
@@ -586,7 +586,7 @@ background-color: rgb(255, 255, 255);</string>
         </widget>
         <widget class="QPushButton" name="btnLastPage">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
@@ -630,7 +630,7 @@ background-color: rgb(255, 255, 255);</string>
         </widget>
         <widget class="QPushButton" name="btnPreviousPage">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
@@ -674,7 +674,7 @@ background-color: rgb(255, 255, 255);</string>
         </widget>
         <widget class="QPushButton" name="btnNextPage">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="geometry">
           <rect>
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index cff7848..335d58d 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -99,7 +99,6 @@ QTableView::item:hover
 QTableView::item:selected
 {
     color:rgb(0,0,0);
-	background-color:rgb(211, 241, 250);
 }
 
 QTreeView