diff --git a/src/QtScrcpy.pro b/src/QtScrcpy.pro
index a7f34ff..d95bc6a 100644
--- a/src/QtScrcpy.pro
+++ b/src/QtScrcpy.pro
@@ -23,6 +23,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
+#DEFINES += SKIP_FRAMES
 
 SOURCES += \
         main.cpp \
diff --git a/src/decoder.cpp b/src/decoder.cpp
index 1d86885..893fa65 100644
--- a/src/decoder.cpp
+++ b/src/decoder.cpp
@@ -1,4 +1,5 @@
 #include <QDebug>
+#include <QTime>
 
 #include "decoder.h"
 #include "frames.h"
@@ -55,18 +56,17 @@ qint32 Decoder::recvData(quint8* buf, qint32 bufSize)
         return 0;
     }
     if (m_deviceSocket) {
-        while (!m_quit && m_deviceSocket->bytesAvailable() < bufSize) {
+        while (!m_quit && m_deviceSocket->bytesAvailable() <= 0) {
             if (!m_deviceSocket->waitForReadyRead(300)
                     && QTcpSocket::SocketTimeoutError != m_deviceSocket->error()) {
-                break;
-            }
-            if (QTcpSocket::SocketTimeoutError == m_deviceSocket->error()) {
-                //qDebug() << "QTcpSocket::SocketTimeoutError";
+                qDebug() << "waitForReadyRead error " << m_deviceSocket->error();
+                break;                
             }
         }
-        qDebug() << "recv data " << bufSize;
-        return m_deviceSocket->read((char*)buf, bufSize);
-    }
+        qint64 readSize = qMin(m_deviceSocket->bytesAvailable(), (qint64)bufSize);
+        qDebug() << "ready recv data " << readSize;
+        return m_deviceSocket->read((char*)buf, readSize);
+    }    
     return 0;
 }
 
@@ -165,7 +165,7 @@ void Decoder::run()
         }
         if (decodingFrame) {
             ret = avcodec_receive_frame(codecCtx, decodingFrame);
-        }
+        }        
         if (!ret) {            
             // a frame was received
             pushFrame();
@@ -252,5 +252,6 @@ void Decoder::pushFrame()
         // the previous newFrame will consume this frame
         return;
     }
+    //qDebug() << "------------>" << QTime::currentTime();
     emit newFrame();
 }
diff --git a/src/dialog.cpp b/src/dialog.cpp
index e4e3187..4c2f76b 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -1,3 +1,6 @@
+#include <QFile>
+#include <QTime>
+
 #include "dialog.h"
 #include "ui_dialog.h"
 #include "adbprocess.h"
@@ -5,7 +8,40 @@
 #include "glyuvwidget.h"
 #include "yuvglwidget.h"
 
-//#define OPENGL_PLAN2
+#define OPENGL_PLAN2
+
+void saveAVFrame_YUV_ToTempFile(const AVFrame *pFrame)
+{
+    int t_frameWidth = pFrame->width;
+    int t_frameHeight = pFrame->height;
+    int t_yPerRowBytes = pFrame->linesize[0];
+    int t_uPerRowBytes = pFrame->linesize[1];
+    int t_vPerRowBytes = pFrame->linesize[2];
+    qDebug()<<"robin:saveAVFrame_YUV_ToTempFile info:"<<t_frameWidth<<t_frameHeight<<"||"<<t_yPerRowBytes<<t_uPerRowBytes<<t_vPerRowBytes;
+    QFile t_file("E:\\receive_Frame.yuv");
+    t_file.open(QIODevice::WriteOnly | QIODevice::Append);
+    //t_file.write((char *)pFrame->data[0],t_frameWidth * t_frameHeight);
+    //t_file.write((char *)pFrame->data[1],(t_frameWidth/2) * t_frameHeight / 2);
+    //t_file.write((char *)pFrame->data[2],(t_frameWidth/2) * t_frameHeight / 2);
+
+    for(int i = 0;i< t_frameHeight ;i++)
+    {
+        t_file.write((char*)(pFrame->data[0]+i*t_yPerRowBytes),t_frameWidth);
+    }
+
+    for(int i = 0;i< t_frameHeight/2 ;i++)
+    {
+        t_file.write((char*)(pFrame->data[1]+i*t_uPerRowBytes),t_frameWidth/2);
+    }
+
+    for(int i = 0;i< t_frameHeight/2 ;i++)
+    {
+        t_file.write((char*)(pFrame->data[2]+i*t_vPerRowBytes),t_frameWidth/2);
+    }
+
+    t_file.flush();
+
+}
 
 Dialog::Dialog(QWidget *parent) :
     QDialog(parent),
@@ -47,12 +83,14 @@ Dialog::Dialog(QWidget *parent) :
     QObject::connect(&decoder, &Decoder::newFrame, this, [this](){
         frames.lock();
         const AVFrame *frame = frames.consumeRenderedFrame();
+        //saveAVFrame_YUV_ToTempFile(frame);
 #ifdef OPENGL_PLAN2
         w2->setFrameSize(frame->width, frame->height);
         w2->setYPixels(frame->data[0], frame->linesize[0]);
         w2->setUPixels(frame->data[1], frame->linesize[1]);
         w2->setVPixels(frame->data[2], frame->linesize[2]);
-        w2->update();
+        //w2->update();
+        w2->repaint();
 #else
         w->setVideoSize(frame->width, frame->height);
         /*
diff --git a/src/dialog.ui b/src/dialog.ui
index bf3d1c0..f0b2ec8 100644
--- a/src/dialog.ui
+++ b/src/dialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>924</width>
-    <height>365</height>
+    <width>1309</width>
+    <height>707</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -57,8 +57,8 @@
     <rect>
      <x>230</x>
      <y>20</y>
-     <width>651</width>
-     <height>301</height>
+     <width>1051</width>
+     <height>621</height>
     </rect>
    </property>
    <property name="styleSheet">