diff --git a/src/customwidget.cpp b/src/customwidget.cpp
index 4e89229..8b87372 100644
--- a/src/customwidget.cpp
+++ b/src/customwidget.cpp
@@ -13,6 +13,8 @@ CustomWidget::CustomWidget(QWidget *parent)
     , m_wavePhase(0.0)
     , m_startTime(QDateTime::currentDateTime())
     , m_lastLockDuration(0)
+    , m_lastLockFrameCount(0)
+    , m_lockPaintFrameCount(0)
     , m_lockCount(0)
 {
     // 设置窗口属性
@@ -47,7 +49,11 @@ void CustomWidget::setPaintingEnabled(bool enabled)
             if (m_lastLockTime.isValid()) {
                 QDateTime unlockTime = QDateTime::currentDateTime();
                 m_lastLockDuration = m_lastLockTime.secsTo(unlockTime);
+                // 计算锁屏期间绘制的帧数（通常应该是0或很小）
+                m_lockPaintFrameCount = m_frameCount - m_lastLockFrameCount;
                 qDebug() << "Screen was locked for" << m_lastLockDuration << "seconds";
+                qDebug() << "Frames at lock:" << m_lastLockFrameCount
+                         << "- Frames painted during lock:" << m_lockPaintFrameCount;
             }
 
             m_startTime = QDateTime::currentDateTime();
@@ -58,9 +64,11 @@ void CustomWidget::setPaintingEnabled(bool enabled)
             // 锁屏：记录锁屏时间
             m_pauseTime = QDateTime::currentDateTime();
             m_lastLockTime = m_pauseTime;
+            m_lastLockFrameCount = m_frameCount;
             m_lockCount++;
             qDebug() << "Screen locked at" << m_lastLockTime.toString("yyyy-MM-dd hh:mm:ss")
-                     << "- Lock count:" << m_lockCount;
+                     << "- Lock count:" << m_lockCount
+                     << "- Frame count at lock:" << m_lastLockFrameCount;
         }
 
         // 触发重绘以更新状态显示
@@ -314,14 +322,14 @@ void CustomWidget::drawLockInfo(QPainter &painter)
                     "Last Lock Info:");
 
     infoFont.setBold(false);
-    infoFont.setPointSize(11);
+    infoFont.setPointSize(9);
     painter.setFont(infoFont);
     painter.setPen(QColor(255, 220, 255));
 
     // 格式化锁屏时长
     QString durationStr;
     if (m_lastLockDuration < 60) {
-        durationStr = QString("%1 seconds").arg(m_lastLockDuration);
+        durationStr = QString("%1 s").arg(m_lastLockDuration);
     } else if (m_lastLockDuration < 3600) {
         int minutes = m_lastLockDuration / 60;
         int seconds = m_lastLockDuration % 60;
@@ -334,11 +342,14 @@ void CustomWidget::drawLockInfo(QPainter &painter)
     }
 
     QString lockInfo = QString(
-        "\nLock Time: %1\n"
-        "Duration: %2\n"
-        "Total Locks: %3"
+        "\nLock Time: %1  (Duration: %2)\n"
+        "Frame Count at Lock: %3\n"
+        "Frames During Lock: %4\n"
+        "Total Locks: %5"
     ).arg(m_lastLockTime.toString("yyyy-MM-dd hh:mm:ss"))
         .arg(durationStr)
+        .arg(m_lastLockFrameCount)
+        .arg(m_lockPaintFrameCount)
         .arg(m_lockCount);
 
     painter.drawText(lockInfoRect.adjusted(10, 25, -10, -5), Qt::AlignLeft | Qt::AlignTop, lockInfo);
diff --git a/src/customwidget.h b/src/customwidget.h
index 9a39127..d9789b4 100644
--- a/src/customwidget.h
+++ b/src/customwidget.h
@@ -99,6 +99,8 @@ private:
     QDateTime m_pauseTime;       // 暂停时间
     QDateTime m_lastLockTime;    // 上次锁屏时间
     qint64 m_lastLockDuration;   // 上次锁屏持续时长（秒）
+    int m_lastLockFrameCount;    // 上次锁屏时的帧数
+    int m_lockPaintFrameCount;   // 锁屏期间绘制的帧数
     int m_lockCount;             // 锁屏次数
 };