diff --git a/frame/item/appitem.cpp b/frame/item/appitem.cpp
index 35ddf4050..f1488321e 100644
--- a/frame/item/appitem.cpp
+++ b/frame/item/appitem.cpp
@@ -80,6 +80,7 @@ AppItem::AppItem(const QDBusObjectPath &entry, QWidget *parent)
       m_dragging(false),
 
       m_retryTimes(0),
+      m_lastclickTimes(0),
 
       m_appIcon(QPixmap()),
 
@@ -306,6 +307,11 @@ void AppItem::mouseReleaseEvent(QMouseEvent *e)
         qDebug() << "app item clicked, name:" << m_itemEntryInter->name()
                  << "id:" << m_itemEntryInter->id() << "my-id:" << m_id << "icon:" << m_itemEntryInter->icon();
 
+        int curTimestamp = QX11Info::getTimestamp();
+        if ((curTimestamp - m_lastclickTimes) < 200)
+            return;
+
+        m_lastclickTimes = curTimestamp;
         m_itemEntryInter->Activate(QX11Info::getTimestamp());
 
         // play launch effect
diff --git a/frame/item/appitem.h b/frame/item/appitem.h
index 0e06a435a..7a96d4723 100644
--- a/frame/item/appitem.h
+++ b/frame/item/appitem.h
@@ -113,6 +113,7 @@ private:
     bool m_dragging;
     bool m_active;
     int m_retryTimes;
+    unsigned long m_lastclickTimes;
 
     WindowInfoMap m_windowInfos;
     QString m_id;