diff --git a/NEWS.md b/NEWS.md
index 917cdbef..8cfc2b78 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+Red Panda C++ Version 0.14.3
+  - fix: wrong code completion font size, when screen dpi changed
+  - enhancement: replace Files View Panel's path lineedit control with combo box
+
 Red Panda C++ Version 0.14.2
   - enhancement: file system view mode for project
   - enhancement: remove / rename / create new folder in the files view
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index eba87d58..9668f42c 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -58,6 +58,7 @@
 #include <QTemporaryFile>
 #include <QTextBlock>
 #include <QTranslator>
+#include <QFileIconProvider>
 
 #include "settingsdialog/settingsdialog.h"
 #include "compiler/compilermanager.h"
@@ -290,6 +291,8 @@ MainWindow::MainWindow(QWidget *parent)
     for (int i=1;i<mFileSystemModel.columnCount();i++) {
         ui->treeFiles->hideColumn(i);
     }
+    connect(ui->cbFilesPath->lineEdit(),&QLineEdit::returnPressed,
+            this,&MainWindow::onFilesViewPathChanged);
 
     //class browser
     ui->classBrowser->setUniformRowHeights(true);
@@ -1184,7 +1187,7 @@ void MainWindow::updateActionIcons()
     for (QToolButton* btn: mClassBrowserToolbar->findChildren<QToolButton *>()) {
         btn->setIconSize(iconSize);
     }
-    for (QToolButton* btn: mFilesViewToolbar->findChildren<QToolButton *>()) {
+    for (QToolButton* btn: ui->panelFiles->findChildren<QToolButton *>()) {
         btn->setIconSize(iconSize);
     }
 
@@ -2721,13 +2724,8 @@ void MainWindow::buildContextMenus()
     });
 
     //toolbar for files view
-    mFilesViewToolbar = new QWidget();
     {
-        QVBoxLayout* layout = dynamic_cast<QVBoxLayout*>( ui->tabFiles->layout());
-        layout->insertWidget(0,mFilesViewToolbar);
-        QHBoxLayout* hlayout =  new QHBoxLayout();
-        hlayout->setContentsMargins(2,2,2,2);
-        mFilesViewToolbar->setLayout(hlayout);
+        QHBoxLayout* hlayout =  dynamic_cast<QHBoxLayout*>( ui->panelFiles->layout());
         QToolButton * toolButton;
         int size = pointToPixel(pSettings->environment().interfaceFontSize());
         QSize iconSize(size,size);
@@ -2739,7 +2737,6 @@ void MainWindow::buildContextMenus()
         toolButton->setIconSize(iconSize);
         toolButton->setDefaultAction(ui->actionLocate_in_Files_View);
         hlayout->addWidget(toolButton);
-        hlayout->addStretch();
     }
 
 }
@@ -3660,6 +3657,17 @@ void MainWindow::onFileChanged(const QString &path)
     }
 }
 
+void MainWindow::onFilesViewPathChanged()
+{
+    QString filesPath = ui->cbFilesPath->currentText();
+    QFileInfo fileInfo(filesPath);
+    if (fileInfo.exists() && fileInfo.isDir()) {
+        setFilesViewRoot(filesPath);
+    } else {
+        ui->cbFilesPath->setCurrentText(pSettings->environment().currentFolder());
+    }
+}
+
 const std::shared_ptr<HeaderCompletionPopup> &MainWindow::headerCompletionPopup() const
 {
     return mHeaderCompletionPopup;
@@ -5596,8 +5604,15 @@ void MainWindow::setFilesViewRoot(const QString &path)
     mFileSystemModel.setRootPath(path);
     ui->treeFiles->setRootIndex(mFileSystemModel.index(path));
     pSettings->environment().setCurrentFolder(path);
-    ui->txtFilesPath->setText(path);
-    ui->txtFilesPath->setCursorPosition(1);
+    int pos = ui->cbFilesPath->findText(path);
+    if (pos<0) {
+        ui->cbFilesPath->addItem(mFileSystemModel.iconProvider()->icon(QFileIconProvider::Folder),path);
+        pos =  ui->cbFilesPath->findText(path);
+    } else if (ui->cbFilesPath->itemIcon(pos).isNull()) {
+        ui->cbFilesPath->setItemIcon(pos,mFileSystemModel.iconProvider()->icon(QFileIconProvider::Folder));
+    }
+    ui->cbFilesPath->setCurrentIndex(pos);
+    ui->cbFilesPath->lineEdit()->setCursorPosition(1);
 }
 
 void MainWindow::clearIssues()
diff --git a/RedPandaIDE/mainwindow.h b/RedPandaIDE/mainwindow.h
index 9473a659..7b65dbdd 100644
--- a/RedPandaIDE/mainwindow.h
+++ b/RedPandaIDE/mainwindow.h
@@ -255,6 +255,7 @@ private slots:
     void onEditorRenamed(const QString& oldFilename, const QString& newFilename, bool firstSave);
     void onAutoSaveTimeout();
     void onFileChanged(const QString& path);
+    void onFilesViewPathChanged();
 
     void onWatchViewContextMenu(const QPoint& pos);
     void onBookmarkContextMenu(const QPoint& pos);
@@ -671,7 +672,6 @@ private:
     QAction * mFilesView_OpenWithExternal;
     QAction * mFilesView_OpenInTerminal;
     QAction * mFilesView_OpenInExplorer;
-    QWidget * mFilesViewToolbar;
     QAction * mFilesView_CreateFolder;
     QAction * mFilesView_RemoveFile;
 
diff --git a/RedPandaIDE/mainwindow.ui b/RedPandaIDE/mainwindow.ui
index d904fb8f..8eccde9c 100644
--- a/RedPandaIDE/mainwindow.ui
+++ b/RedPandaIDE/mainwindow.ui
@@ -244,13 +244,34 @@
               <number>0</number>
              </property>
              <item>
-              <widget class="QLineEdit" name="txtFilesPath">
-               <property name="frame">
-                <bool>true</bool>
-               </property>
-               <property name="readOnly">
-                <bool>true</bool>
-               </property>
+              <widget class="QWidget" name="panelFiles" native="true">
+               <layout class="QHBoxLayout" name="horizontalLayout_13">
+                <property name="spacing">
+                 <number>2</number>
+                </property>
+                <property name="leftMargin">
+                 <number>0</number>
+                </property>
+                <property name="topMargin">
+                 <number>0</number>
+                </property>
+                <property name="rightMargin">
+                 <number>2</number>
+                </property>
+                <property name="bottomMargin">
+                 <number>0</number>
+                </property>
+                <item>
+                 <widget class="QComboBox" name="cbFilesPath">
+                  <property name="editable">
+                   <bool>true</bool>
+                  </property>
+                  <property name="insertPolicy">
+                   <enum>QComboBox::InsertAtTop</enum>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
               </widget>
              </item>
              <item>
diff --git a/RedPandaIDE/parser/parserutils.h b/RedPandaIDE/parser/parserutils.h
index e0eddae0..2d3b0c79 100644
--- a/RedPandaIDE/parser/parserutils.h
+++ b/RedPandaIDE/parser/parserutils.h
@@ -169,6 +169,7 @@ struct Statement {
     // fields for code completion
     int usageCount; //Usage Count
     int matchPosTotal; // total of matched positions
+    int matchPosSpan; // distance between the first match pos and the last match pos;
     int firstMatchLength; // length of first match;
     int caseMatched; // if match with case
     QList<PStatementMathPosition> matchPositions;
diff --git a/RedPandaIDE/widgets/codecompletionpopup.cpp b/RedPandaIDE/widgets/codecompletionpopup.cpp
index 3b1f5970..1e679cee 100644
--- a/RedPandaIDE/widgets/codecompletionpopup.cpp
+++ b/RedPandaIDE/widgets/codecompletionpopup.cpp
@@ -217,6 +217,8 @@ static bool nameComparator(PStatement statement1,PStatement statement2) {
 }
 
 static bool defaultComparator(PStatement statement1,PStatement statement2) {
+    if (statement1->matchPosSpan!=statement2->matchPosSpan)
+        return statement1->matchPosSpan < statement2->matchPosSpan;
     if (statement1->firstMatchLength != statement2->firstMatchLength)
         return statement1->firstMatchLength > statement2->firstMatchLength;
     if (statement1->matchPosTotal != statement2->matchPosTotal)
@@ -243,6 +245,8 @@ static bool defaultComparator(PStatement statement1,PStatement statement2) {
 }
 
 static bool sortByScopeComparator(PStatement statement1,PStatement statement2){
+    if (statement1->matchPosSpan!=statement2->matchPosSpan)
+        return statement1->matchPosSpan < statement2->matchPosSpan;
     if (statement1->firstMatchLength != statement2->firstMatchLength)
         return statement1->firstMatchLength > statement2->firstMatchLength;
     if (statement1->matchPosTotal != statement2->matchPosTotal)
@@ -281,6 +285,8 @@ static bool sortByScopeComparator(PStatement statement1,PStatement statement2){
 }
 
 static bool sortWithUsageComparator(PStatement statement1,PStatement statement2) {
+    if (statement1->matchPosSpan!=statement2->matchPosSpan)
+        return statement1->matchPosSpan < statement2->matchPosSpan;
     if (statement1->firstMatchLength != statement2->firstMatchLength)
         return statement1->firstMatchLength > statement2->firstMatchLength;
     if (statement1->matchPosTotal != statement2->matchPosTotal)
@@ -311,6 +317,8 @@ static bool sortWithUsageComparator(PStatement statement1,PStatement statement2)
 }
 
 static bool sortByScopeWithUsageComparator(PStatement statement1,PStatement statement2){
+    if (statement1->matchPosSpan!=statement2->matchPosSpan)
+        return statement1->matchPosSpan < statement2->matchPosSpan;
     if (statement1->firstMatchLength != statement2->firstMatchLength)
         return statement1->firstMatchLength > statement2->firstMatchLength;
     if (statement1->matchPosTotal != statement2->matchPosTotal)
@@ -410,17 +418,19 @@ void CodeCompletionPopup::filterList(const QString &member)
         if (mIgnoreCase && matched==member.length()) {
             statement->caseMatched = caseMatched;
             statement->matchPosTotal = totalPos;
-            if (member.length()>0)
+            if (member.length()>0) {
                 statement->firstMatchLength = statement->matchPositions.front()->end - statement->matchPositions.front()->start;
-            else
+                statement->matchPosSpan = statement->matchPositions.last()->end - statement->matchPositions.front()->start;
+            } else
                 statement->firstMatchLength = 0;
             mCompletionStatementList.append(statement);
         } else if (caseMatched == member.length()) {
             statement->caseMatched = caseMatched;
             statement->matchPosTotal = totalPos;
-            if (member.length()>0)
+            if (member.length()>0) {
                 statement->firstMatchLength = statement->matchPositions.front()->end - statement->matchPositions.front()->start;
-            else
+                statement->matchPosSpan = statement->matchPositions.last()->end - statement->matchPositions.front()->start;
+            } else
                 statement->firstMatchLength = 0;
             mCompletionStatementList.append(statement);
         } else {
@@ -428,6 +438,7 @@ void CodeCompletionPopup::filterList(const QString &member)
             statement->caseMatched = 0;
             statement->matchPosTotal = 0;
             statement->firstMatchLength = 0;
+            statement->matchPosSpan = 0;
         }
     }
     if (mRecordUsage) {
@@ -943,7 +954,8 @@ bool CodeCompletionPopup::event(QEvent *event)
 {
     bool result = QWidget::event(event);
     if (event->type() == QEvent::FontChange) {
-          mListView->setFont(font());
+        mListView->setFont(font());
+        mDelegate->setFont(font());
     }
     return result;
 }
@@ -1009,6 +1021,7 @@ void CodeCompletionListItemDelegate::paint(QPainter *painter, const QStyleOption
     PStatement statement;
     if (mModel && (statement = mModel->statement(index)) ) {
         painter->save();
+        painter->setFont(font());
         QColor normalColor = mNormalColor;
         if (option.state & QStyle::State_Selected) {
             painter->fillRect(option.rect, option.palette.highlight());
@@ -1078,6 +1091,16 @@ void CodeCompletionListItemDelegate::setMatchedColor(const QColor &newMatchedCol
     mMatchedColor = newMatchedColor;
 }
 
+const QFont &CodeCompletionListItemDelegate::font() const
+{
+    return mFont;
+}
+
+void CodeCompletionListItemDelegate::setFont(const QFont &newFont)
+{
+    mFont = newFont;
+}
+
 CodeCompletionListItemDelegate::CodeCompletionListItemDelegate(CodeCompletionListModel *model, QWidget *parent) : QStyledItemDelegate(parent),
     mModel(model)
 {
diff --git a/RedPandaIDE/widgets/codecompletionpopup.h b/RedPandaIDE/widgets/codecompletionpopup.h
index 5d7604b5..6212159b 100644
--- a/RedPandaIDE/widgets/codecompletionpopup.h
+++ b/RedPandaIDE/widgets/codecompletionpopup.h
@@ -55,10 +55,14 @@ public:
     const QColor &matchedColor() const;
     void setMatchedColor(const QColor &newMatchedColor);
 
+    const QFont &font() const;
+    void setFont(const QFont &newFont);
+
 private:
     CodeCompletionListModel *mModel;
     QColor mNormalColor;
     QColor mMatchedColor;
+    QFont mFont;
 };
 
 class CodeCompletionPopup : public QWidget