diff --git a/frame/item/appitem.cpp b/frame/item/appitem.cpp
index d294c6861..7d9f732fa 100644
--- a/frame/item/appitem.cpp
+++ b/frame/item/appitem.cpp
@@ -299,8 +299,9 @@ void AppItem::mouseReleaseEvent(QMouseEvent *e)
         return;
     }
 
-    int curTimestamp = QDateTime::currentSecsSinceEpoch();
-    if ((curTimestamp - m_lastclickTimes) < 1)
+    // 获取时间戳qint64转quint64，是不存在任何问题的
+    quint64 curTimestamp = QDateTime::currentDateTime().toMSecsSinceEpoch();
+    if ((curTimestamp - m_lastclickTimes) < 300)
         return;
 
     m_lastclickTimes = curTimestamp;
diff --git a/frame/item/appitem.h b/frame/item/appitem.h
index d9d726836..3c5b83ec9 100644
--- a/frame/item/appitem.h
+++ b/frame/item/appitem.h
@@ -124,7 +124,7 @@ private:
     bool m_active;
     int m_retryTimes;
     bool m_iconValid;
-    unsigned long m_lastclickTimes;
+    quint64 m_lastclickTimes;
 
     WindowInfoMap m_windowInfos;
     QString m_id;