diff --git a/src/gui/UBTeacherBarWidget.cpp b/src/gui/UBTeacherBarWidget.cpp
index 8b80beb1..e5647a6c 100644
--- a/src/gui/UBTeacherBarWidget.cpp
+++ b/src/gui/UBTeacherBarWidget.cpp
@@ -47,6 +47,8 @@ UBTeacherBarWidget::UBTeacherBarWidget(QWidget *parent, const char *name):UBDock
     setObjectName(name);
     mName = "TeacherBarWidget";
     mVisibleState = true;
+    mActionList.clear();
+    mUrlList.clear();
 
     setAttribute(Qt::WA_StyledBackground, true);
     setStyleSheet(UBApplication::globalStyleSheet());
@@ -284,7 +286,9 @@ void UBTeacherBarWidget::onActionButton()
 
 void UBTeacherBarWidget::onLinkButton()
 {
-
+    UBUrlWidget* pUrl = new UBUrlWidget(this);
+    mUrlList << pUrl;
+    mpLinks->addWidget(pUrl);
 }
 
 UBTeacherStudentAction::UBTeacherStudentAction(QWidget *parent, const char *name):QWidget(parent)
@@ -437,3 +441,45 @@ void UBTeacherBarDropMediaZone::dragMoveEvent(QDragMoveEvent *pEvent)
 {
     pEvent->acceptProposedAction();
 }
+
+// ---------------------------------------------------------------------------------------------
+UBUrlWidget::UBUrlWidget(QWidget *parent, const char *name):QWidget(parent)
+  , mpLayout(NULL)
+  , mpUrlLabel(NULL)
+  , mpUrl(NULL)
+{
+    setObjectName(name);
+    mpLayout = new QHBoxLayout(this);
+    setLayout(mpLayout);
+    mpUrlLabel = new QLabel(tr("Url"), this);
+    mpLayout->addWidget(mpUrlLabel, 0);
+    mpUrl = new QLineEdit(this);
+    mpLayout->addWidget(mpUrl, 1);
+}
+
+UBUrlWidget::~UBUrlWidget()
+{
+    if(NULL != mpUrlLabel){
+        delete mpUrlLabel;
+        mpUrlLabel = NULL;
+    }
+    if(NULL != mpUrl){
+        delete mpUrl;
+        mpUrl = NULL;
+    }
+    if(NULL != mpLayout){
+        delete mpLayout;
+        mpLayout = NULL;
+    }
+}
+
+QString UBUrlWidget::url()
+{
+    QString str;
+
+    if(NULL != mpUrl){
+        str = mpUrl->text();
+    }
+
+    return str;
+}
diff --git a/src/gui/UBTeacherBarWidget.h b/src/gui/UBTeacherBarWidget.h
index f0c997b9..29933d9d 100644
--- a/src/gui/UBTeacherBarWidget.h
+++ b/src/gui/UBTeacherBarWidget.h
@@ -59,6 +59,20 @@ protected:
     void dragLeaveEvent(QDragLeaveEvent* pEvent);
 };
 
+class UBUrlWidget : public QWidget
+{
+public:
+    UBUrlWidget(QWidget* parent=0, const char* name="UBUrlWidget");
+    ~UBUrlWidget();
+
+    QString url();
+
+private:
+    QHBoxLayout* mpLayout;
+    QLabel* mpUrlLabel;
+    QLineEdit* mpUrl;
+};
+
 class UBTeacherBarWidget : public UBDockPaletteWidget
 {
     Q_OBJECT
@@ -102,6 +116,7 @@ private:
     QTextEdit* mpComments;
 
     QVector<UBTeacherStudentAction*> mActionList;
+    QVector<UBUrlWidget*> mUrlList;
 };
 
 #endif // UBTEACHERBARWIDGET_H