diff --git a/QtScrcpy/device/controller/controller.cpp b/QtScrcpy/device/controller/controller.cpp
index 953a11d03..7b171a056 100644
--- a/QtScrcpy/device/controller/controller.cpp
+++ b/QtScrcpy/device/controller/controller.cpp
@@ -109,6 +109,16 @@ void Controller::onPostVolumeDown()
     postKeyCodeClick(AKEYCODE_VOLUME_DOWN);
 }
 
+void Controller::onCopy()
+{
+    postKeyCodeClick(AKEYCODE_COPY);
+}
+
+void Controller::onCut()
+{
+    postKeyCodeClick(AKEYCODE_CUT);
+}
+
 void Controller::onExpandNotificationPanel()
 {
     ControlMsg *controlMsg = new ControlMsg(ControlMsg::CMT_EXPAND_NOTIFICATION_PANEL);
@@ -136,7 +146,7 @@ void Controller::onRequestDeviceClipboard()
     postControlMsg(controlMsg);
 }
 
-void Controller::onSetDeviceClipboard()
+void Controller::onSetDeviceClipboard(bool pause)
 {
     QClipboard *board = QApplication::clipboard();
     QString text = board->text();
@@ -144,7 +154,7 @@ void Controller::onSetDeviceClipboard()
     if (!controlMsg) {
         return;
     }
-    controlMsg->setSetClipboardMsgData(text, true);
+    controlMsg->setSetClipboardMsgData(text, pause);
     postControlMsg(controlMsg);
 }
 
@@ -226,13 +236,13 @@ void Controller::postKeyCodeClick(AndroidKeycode keycode)
     if (!controlEventDown) {
         return;
     }
-    controlEventDown->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_DOWN, keycode, AMETA_NONE);
+    controlEventDown->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_DOWN, keycode, 0, AMETA_NONE);
     postControlMsg(controlEventDown);
 
     ControlMsg *controlEventUp = new ControlMsg(ControlMsg::CMT_INJECT_KEYCODE);
     if (!controlEventUp) {
         return;
     }
-    controlEventUp->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_UP, keycode, AMETA_NONE);
+    controlEventUp->setInjectKeycodeMsgData(AKEY_EVENT_ACTION_UP, keycode, 0, AMETA_NONE);
     postControlMsg(controlEventUp);
 }
diff --git a/QtScrcpy/device/controller/controller.h b/QtScrcpy/device/controller/controller.h
index 3a7ef0614..29f77f1cd 100644
--- a/QtScrcpy/device/controller/controller.h
+++ b/QtScrcpy/device/controller/controller.h
@@ -31,6 +31,8 @@ public slots:
     void onPostPower();
     void onPostVolumeUp();
     void onPostVolumeDown();
+    void onCopy();
+    void onCut();
     void onExpandNotificationPanel();
     void onCollapseNotificationPanel();
     void onSetScreenPowerMode(ControlMsg::ScreenPowerMode mode);
@@ -43,7 +45,7 @@ public slots:
     // turn the screen on if it was off, press BACK otherwise
     void onPostBackOrScreenOn();
     void onRequestDeviceClipboard();
-    void onSetDeviceClipboard();
+    void onSetDeviceClipboard(bool pause = true);
     void onClipboardPaste();
     void onPostTextInput(QString &text);
 
diff --git a/QtScrcpy/device/controller/inputconvert/controlmsg.cpp b/QtScrcpy/device/controller/inputconvert/controlmsg.cpp
index 27e56eb73..6a21634b2 100644
--- a/QtScrcpy/device/controller/inputconvert/controlmsg.cpp
+++ b/QtScrcpy/device/controller/inputconvert/controlmsg.cpp
@@ -19,10 +19,11 @@ ControlMsg::~ControlMsg()
     }
 }
 
-void ControlMsg::setInjectKeycodeMsgData(AndroidKeyeventAction action, AndroidKeycode keycode, AndroidMetastate metastate)
+void ControlMsg::setInjectKeycodeMsgData(AndroidKeyeventAction action, AndroidKeycode keycode, quint32 repeat, AndroidMetastate metastate)
 {
     m_data.injectKeycode.action = action;
     m_data.injectKeycode.keycode = keycode;
+    m_data.injectKeycode.repeat = repeat;
     m_data.injectKeycode.metastate = metastate;
 }
 
@@ -105,10 +106,11 @@ QByteArray ControlMsg::serializeData()
     case CMT_INJECT_KEYCODE:
         buffer.putChar(m_data.injectKeycode.action);
         BufferUtil::write32(buffer, m_data.injectKeycode.keycode);
+        BufferUtil::write32(buffer, m_data.injectKeycode.repeat);
         BufferUtil::write32(buffer, m_data.injectKeycode.metastate);
         break;
     case CMT_INJECT_TEXT:
-        BufferUtil::write16(buffer, static_cast<quint32>(strlen(m_data.injectText.text)));
+        BufferUtil::write32(buffer, static_cast<quint32>(strlen(m_data.injectText.text)));
         buffer.write(m_data.injectText.text, strlen(m_data.injectText.text));
         break;
     case CMT_INJECT_TOUCH: {
@@ -126,7 +128,7 @@ QByteArray ControlMsg::serializeData()
         break;
     case CMT_SET_CLIPBOARD:
         buffer.putChar(!!m_data.setClipboard.paste);
-        BufferUtil::write16(buffer, static_cast<quint32>(strlen(m_data.setClipboard.text)));
+        BufferUtil::write32(buffer, static_cast<quint32>(strlen(m_data.setClipboard.text)));
         buffer.write(m_data.setClipboard.text, strlen(m_data.setClipboard.text));
         break;
     case CMT_SET_SCREEN_POWER_MODE:
diff --git a/QtScrcpy/device/controller/inputconvert/controlmsg.h b/QtScrcpy/device/controller/inputconvert/controlmsg.h
index 380247d76..e45506020 100644
--- a/QtScrcpy/device/controller/inputconvert/controlmsg.h
+++ b/QtScrcpy/device/controller/inputconvert/controlmsg.h
@@ -9,9 +9,15 @@
 #include "keycodes.h"
 #include "qscrcpyevent.h"
 
+#define CONTROL_MSG_MAX_SIZE (1 << 18) // 256k
+
 #define CONTROL_MSG_INJECT_TEXT_MAX_LENGTH 300
-#define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH 4092
+// type: 1 byte; paste flag: 1 byte; length: 4 bytes
+#define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH \
+    (CONTROL_MSG_MAX_SIZE - 6)
+
 #define POINTER_ID_MOUSE static_cast<quint64>(-1)
+
 // ControlMsg
 class ControlMsg : public QScrcpyEvent
 {
@@ -41,7 +47,7 @@ class ControlMsg : public QScrcpyEvent
     ControlMsg(ControlMsgType controlMsgType);
     virtual ~ControlMsg();
 
-    void setInjectKeycodeMsgData(AndroidKeyeventAction action, AndroidKeycode keycode, AndroidMetastate metastate);
+    void setInjectKeycodeMsgData(AndroidKeyeventAction action, AndroidKeycode keycode, quint32 repeat, AndroidMetastate metastate);
     void setInjectTextMsgData(QString &text);
     // id 代表一个触摸点，最多支持10个触摸点[0,9]
     // action 只能是AMOTION_EVENT_ACTION_DOWN，AMOTION_EVENT_ACTION_UP，AMOTION_EVENT_ACTION_MOVE
@@ -67,6 +73,7 @@ class ControlMsg : public QScrcpyEvent
             {
                 AndroidKeyeventAction action;
                 AndroidKeycode keycode;
+                quint32 repeat;
                 AndroidMetastate metastate;
             } injectKeycode;
             struct
diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertbase.h b/QtScrcpy/device/controller/inputconvert/inputconvertbase.h
index f16c631b2..d9f8dc5f3 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertbase.h
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertbase.h
@@ -32,8 +32,10 @@ class InputConvertBase : public QObject
 protected:
     void sendControlMsg(ControlMsg *msg);
 
-private:
     QPointer<Controller> m_controller;
+    // Qt reports repeated events as a boolean, but Android expects the actual
+    // number of repetitions. This variable keeps track of the count.
+    unsigned m_repeat = 0;
 };
 
 #endif // INPUTCONVERTBASE_H
diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
index 5278cfb74..d5687591b 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
@@ -176,11 +176,15 @@ void InputConvertGame::sendTouchEvent(int id, QPointF pos, AndroidMotioneventAct
     QPoint absolutePos = calcFrameAbsolutePos(pos).toPoint();
     static QPoint lastAbsolutePos = absolutePos;
     if (AMOTION_EVENT_ACTION_MOVE == action && lastAbsolutePos == absolutePos) {
+        delete controlMsg;
         return;
     }
     lastAbsolutePos = absolutePos;
 
-    controlMsg->setInjectTouchMsgData(static_cast<quint64>(id), action, static_cast<AndroidMotioneventButtons>(0), QRect(absolutePos, m_frameSize), 1.0f);
+    controlMsg->setInjectTouchMsgData(static_cast<quint64>(id), action,
+                                      static_cast<AndroidMotioneventButtons>(0),
+                                      QRect(absolutePos, m_frameSize),
+                                      AMOTION_EVENT_ACTION_DOWN == action? 1.0f : 0.0f);
     sendControlMsg(controlMsg);
 }
 
diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
index 63924e172..260604ee5 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
@@ -1,6 +1,8 @@
 #include <cmath>
+#include <QDebug>
 
 #include "inputconvertnormal.h"
+#include "controller.h"
 
 InputConvertNormal::InputConvertNormal(Controller *controller) : InputConvertBase(controller) {}
 
@@ -44,7 +46,10 @@ void InputConvertNormal::mouseEvent(const QMouseEvent *from, const QSize &frameS
         return;
     }
     controlMsg->setInjectTouchMsgData(
-        static_cast<quint64>(POINTER_ID_MOUSE), action, convertMouseButtons(from->buttons()), QRect(pos.toPoint(), frameSize), 1.0f);
+        static_cast<quint64>(POINTER_ID_MOUSE), action,
+                convertMouseButtons(from->buttons()),
+                QRect(pos.toPoint(), frameSize),
+                AMOTION_EVENT_ACTION_DOWN == action? 1.0f : 0.0f);
     sendControlMsg(controlMsg);
 }
 
@@ -81,6 +86,8 @@ void InputConvertNormal::keyEvent(const QKeyEvent *from, const QSize &frameSize,
         return;
     }
 
+    bool repeat = from->isAutoRepeat();
+
     // action
     AndroidKeyeventAction action;
     switch (from->type()) {
@@ -105,7 +112,14 @@ void InputConvertNormal::keyEvent(const QKeyEvent *from, const QSize &frameSize,
     if (!controlMsg) {
         return;
     }
-    controlMsg->setInjectKeycodeMsgData(action, keyCode, convertMetastate(from->modifiers()));
+
+    if (repeat) {
+        m_repeat++;
+    } else {
+        m_repeat = 0;
+    }
+
+    controlMsg->setInjectKeycodeMsgData(action, keyCode, m_repeat, convertMetastate(from->modifiers()));
     sendControlMsg(controlMsg);
 }
 
diff --git a/QtScrcpy/device/controller/receiver/devicemsg.cpp b/QtScrcpy/device/controller/receiver/devicemsg.cpp
index e2bb28d44..24673ab0a 100644
--- a/QtScrcpy/device/controller/receiver/devicemsg.cpp
+++ b/QtScrcpy/device/controller/receiver/devicemsg.cpp
@@ -32,7 +32,7 @@ qint32 DeviceMsg::deserialize(QByteArray &byteArray)
     char c = 0;
     qint32 ret = 0;
 
-    if (len < 3) {
+    if (len < 5) {
         // at least type + empty string length
         return 0; // not available
     }
@@ -42,8 +42,8 @@ qint32 DeviceMsg::deserialize(QByteArray &byteArray)
     switch (m_data.type) {
     case DMT_GET_CLIPBOARD: {
         m_data.clipboardMsg.text = Q_NULLPTR;
-        quint16 clipboardLen = BufferUtil::read16(buf);
-        if (clipboardLen > len - 3) {
+        quint16 clipboardLen = BufferUtil::read32(buf);
+        if (clipboardLen > len - 5) {
             ret = 0; // not available
             break;
         }
@@ -53,7 +53,7 @@ qint32 DeviceMsg::deserialize(QByteArray &byteArray)
         memcpy(m_data.clipboardMsg.text, text.data(), text.length());
         m_data.clipboardMsg.text[text.length()] = '\0';
 
-        ret = 3 + clipboardLen;
+        ret = 5 + clipboardLen;
         break;
     }
     default:
diff --git a/QtScrcpy/device/controller/receiver/devicemsg.h b/QtScrcpy/device/controller/receiver/devicemsg.h
index 1ed0f22dc..1bcb40b2b 100644
--- a/QtScrcpy/device/controller/receiver/devicemsg.h
+++ b/QtScrcpy/device/controller/receiver/devicemsg.h
@@ -3,9 +3,9 @@
 
 #include <QBuffer>
 
-#define DEVICE_MSG_QUEUE_SIZE 64
-#define DEVICE_MSG_TEXT_MAX_LENGTH 4093
-#define DEVICE_MSG_SERIALIZED_MAX_SIZE (3 + DEVICE_MSG_TEXT_MAX_LENGTH)
+#define DEVICE_MSG_MAX_SIZE (1 << 18) // 256k
+// type: 1 byte; length: 4 bytes
+#define DEVICE_MSG_TEXT_MAX_LENGTH (DEVICE_MSG_MAX_SIZE - 5)
 
 class DeviceMsg : public QObject
 {
diff --git a/QtScrcpy/device/controller/receiver/receiver.cpp b/QtScrcpy/device/controller/receiver/receiver.cpp
index 5e282ef69..32d819d3d 100644
--- a/QtScrcpy/device/controller/receiver/receiver.cpp
+++ b/QtScrcpy/device/controller/receiver/receiver.cpp
@@ -44,6 +44,11 @@ void Receiver::processMsg(DeviceMsg *deviceMsg)
         QClipboard *board = QApplication::clipboard();
         QString text;
         deviceMsg->getClipboardMsgData(text);
+
+        if (board->text() == text) {
+            qDebug("Computer clipboard unchanged");
+            break;
+        }
         board->setText(text);
         break;
     }
diff --git a/QtScrcpy/device/device.cpp b/QtScrcpy/device/device.cpp
index 55ca712ee..78c516491 100644
--- a/QtScrcpy/device/device.cpp
+++ b/QtScrcpy/device/device.cpp
@@ -151,6 +151,8 @@ void Device::initSignals()
         connect(this, &Device::postPower, m_controller, &Controller::onPostPower);
         connect(this, &Device::postVolumeUp, m_controller, &Controller::onPostVolumeUp);
         connect(this, &Device::postVolumeDown, m_controller, &Controller::onPostVolumeDown);
+        connect(this, &Device::postCopy, m_controller, &Controller::onCopy);
+        connect(this, &Device::postCut, m_controller, &Controller::onCut);
         connect(this, &Device::setScreenPowerMode, m_controller, &Controller::onSetScreenPowerMode);
         connect(this, &Device::expandNotificationPanel, m_controller, &Controller::onExpandNotificationPanel);
         connect(this, &Device::collapseNotificationPanel, m_controller, &Controller::onCollapseNotificationPanel);
@@ -159,7 +161,6 @@ void Device::initSignals()
         connect(this, &Device::keyEvent, m_controller, &Controller::onKeyEvent);
 
         connect(this, &Device::postBackOrScreenOn, m_controller, &Controller::onPostBackOrScreenOn);
-        connect(this, &Device::requestDeviceClipboard, m_controller, &Controller::onRequestDeviceClipboard);
         connect(this, &Device::setDeviceClipboard, m_controller, &Controller::onSetDeviceClipboard);
         connect(this, &Device::clipboardPaste, m_controller, &Controller::onClipboardPaste);
         connect(this, &Device::postTextInput, m_controller, &Controller::onPostTextInput);
diff --git a/QtScrcpy/device/device.h b/QtScrcpy/device/device.h
index 38bc16463..bbbf693c2 100644
--- a/QtScrcpy/device/device.h
+++ b/QtScrcpy/device/device.h
@@ -70,13 +70,15 @@ class Device : public QObject
     void postPower();
     void postVolumeUp();
     void postVolumeDown();
+    void postCopy();
+    void postCut();
     void setScreenPowerMode(ControlMsg::ScreenPowerMode mode);
     void expandNotificationPanel();
     void collapseNotificationPanel();
     void postBackOrScreenOn();
     void postTextInput(QString &text);
     void requestDeviceClipboard();
-    void setDeviceClipboard();
+    void setDeviceClipboard(bool pause = true);
     void clipboardPaste();
     void pushFileRequest(const QString &file, const QString &devicePath = "");
     void installApkRequest(const QString &apkFile);
diff --git a/QtScrcpy/device/server/server.cpp b/QtScrcpy/device/server/server.cpp
index 1ff8c026d..5616622ed 100644
--- a/QtScrcpy/device/server/server.cpp
+++ b/QtScrcpy/device/server/server.cpp
@@ -162,6 +162,7 @@ bool Server::execute()
     // https://github.com/Genymobile/scrcpy/commit/080a4ee3654a9b7e96c8ffe37474b5c21c02852a
     // <https://d.android.com/reference/android/media/MediaFormat>
     args << Config::getInstance().getCodecOptions();
+    args << Config::getInstance().getCodecName();
 
 #ifdef SERVER_DEBUGGER
     qInfo("Server debugger waiting for a client on device port " SERVER_DEBUGGER_PORT "...");
diff --git a/QtScrcpy/device/ui/videoform.cpp b/QtScrcpy/device/ui/videoform.cpp
index 36a6ef43b..2d75c9adc 100644
--- a/QtScrcpy/device/ui/videoform.cpp
+++ b/QtScrcpy/device/ui/videoform.cpp
@@ -189,6 +189,7 @@ void VideoForm::installShortcut()
 
     // switchFullScreen
     shortcut = new QShortcut(QKeySequence("Ctrl+f"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -198,14 +199,17 @@ void VideoForm::installShortcut()
 
     // resizeSquare
     shortcut = new QShortcut(QKeySequence("Ctrl+g"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() { resizeSquare(); });
 
     // removeBlackRect
-    shortcut = new QShortcut(QKeySequence("Ctrl+x"), this);
+    shortcut = new QShortcut(QKeySequence("Ctrl+w"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() { removeBlackRect(); });
 
     // postGoHome
     shortcut = new QShortcut(QKeySequence("Ctrl+h"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -215,6 +219,7 @@ void VideoForm::installShortcut()
 
     // postGoBack
     shortcut = new QShortcut(QKeySequence("Ctrl+b"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -224,6 +229,7 @@ void VideoForm::installShortcut()
 
     // postAppSwitch
     shortcut = new QShortcut(QKeySequence("Ctrl+s"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -233,6 +239,7 @@ void VideoForm::installShortcut()
 
     // postGoMenu
     shortcut = new QShortcut(QKeySequence("Ctrl+m"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -260,6 +267,7 @@ void VideoForm::installShortcut()
 
     // postPower
     shortcut = new QShortcut(QKeySequence("Ctrl+p"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -269,6 +277,7 @@ void VideoForm::installShortcut()
 
     // setScreenPowerMode(ControlMsg::SPM_OFF)
     shortcut = new QShortcut(QKeySequence("Ctrl+o"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -278,6 +287,7 @@ void VideoForm::installShortcut()
 
     // expandNotificationPanel
     shortcut = new QShortcut(QKeySequence("Ctrl+n"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -287,6 +297,7 @@ void VideoForm::installShortcut()
 
     // collapseNotificationPanel
     shortcut = new QShortcut(QKeySequence("Ctrl+Shift+n"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
@@ -294,31 +305,44 @@ void VideoForm::installShortcut()
         emit m_device->collapseNotificationPanel();
     });
 
-    // requestDeviceClipboard
+    // copy
     shortcut = new QShortcut(QKeySequence("Ctrl+c"), this);
+    shortcut->setAutoRepeat(false);
+    connect(shortcut, &QShortcut::activated, this, [this]() {
+        if (!m_device) {
+            return;
+        }
+        emit m_device->postCopy();
+    });
+
+    // cut
+    shortcut = new QShortcut(QKeySequence("Ctrl+x"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
         }
-        emit m_device->requestDeviceClipboard();
+        emit m_device->postCut();
     });
 
     // clipboardPaste
     shortcut = new QShortcut(QKeySequence("Ctrl+v"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
         }
-        emit m_device->clipboardPaste();
+        emit m_device->setDeviceClipboard();
     });
 
     // setDeviceClipboard
     shortcut = new QShortcut(QKeySequence("Ctrl+Shift+v"), this);
+    shortcut->setAutoRepeat(false);
     connect(shortcut, &QShortcut::activated, this, [this]() {
         if (!m_device) {
             return;
         }
-        emit m_device->setDeviceClipboard();
+        emit m_device->clipboardPaste();
     });
 }
 
diff --git a/QtScrcpy/devicemanage/devicemanage.cpp b/QtScrcpy/devicemanage/devicemanage.cpp
index 6df58781d..fd2421d2a 100644
--- a/QtScrcpy/devicemanage/devicemanage.cpp
+++ b/QtScrcpy/devicemanage/devicemanage.cpp
@@ -139,8 +139,6 @@ void DeviceManage::setGroupControlSignals(Device *host, Device *client, bool ins
         connect(host, &Device::installApkRequest, client, &Device::installApkRequest);
         connect(host, &Device::screenshot, client, &Device::screenshot);
         connect(host, &Device::showTouch, client, &Device::showTouch);
-        // dont connect requestDeviceClipboard
-        //connect(host, &Device::requestDeviceClipboard, client, &Device::requestDeviceClipboard);
     } else {
         disconnect(host, &Device::postGoBack, client, &Device::postGoBack);
         disconnect(host, &Device::postGoHome, client, &Device::postGoHome);
diff --git a/QtScrcpy/util/config.cpp b/QtScrcpy/util/config.cpp
index b06794139..8966a7db4 100644
--- a/QtScrcpy/util/config.cpp
+++ b/QtScrcpy/util/config.cpp
@@ -14,7 +14,7 @@
 #define COMMON_PUSHFILE_DEF "/sdcard/"
 
 #define COMMON_SERVER_VERSION_KEY "ServerVersion"
-#define COMMON_SERVER_VERSION_DEF "1.14"
+#define COMMON_SERVER_VERSION_DEF "1.17"
 
 #define COMMON_SERVER_PATH_KEY "ServerPath"
 #define COMMON_SERVER_PATH_DEF "/data/local/tmp/scrcpy-server.jar"
@@ -40,6 +40,9 @@
 #define COMMON_CODEC_OPTIONS_KEY "CodecOptions"
 #define COMMON_CODEC_OPTIONS_DEF "-"
 
+#define COMMON_CODEC_NAME_KEY "CodecName"
+#define COMMON_CODEC_NAME_DEF "-"
+
 // user data
 #define COMMON_RECORD_KEY "RecordPath"
 #define COMMON_RECORD_DEF ""
@@ -289,6 +292,15 @@ QString Config::getCodecOptions()
     return codecOptions;
 }
 
+QString Config::getCodecName()
+{
+    QString codecName;
+    m_settings->beginGroup(GROUP_COMMON);
+    codecName = m_settings->value(COMMON_CODEC_NAME_KEY, COMMON_CODEC_NAME_DEF).toString();
+    m_settings->endGroup();
+    return codecName;
+}
+
 QString Config::getTitle()
 {
     QString title;
diff --git a/QtScrcpy/util/config.h b/QtScrcpy/util/config.h
index 681b422b6..e0e7f5178 100644
--- a/QtScrcpy/util/config.h
+++ b/QtScrcpy/util/config.h
@@ -23,6 +23,7 @@ class Config : public QObject
     QString getAdbPath();
     QString getLogLevel();
     QString getCodecOptions();
+    QString getCodecName();
 
     // user data
     QString getRecordPath();
diff --git a/README.md b/README.md
index 6427b5d28..9a3327b1e 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ Note: it is not necessary to keep you Android device connected via USB after you
  | -------------------------------------- |:----------------------------- |:-----------------------------
  | Switch fullscreen mode                 | `Ctrl`+`f`                    | `Cmd`+`f`
  | Resize window to 1:1 (pixel-perfect)   | `Ctrl`+`g`                    | `Cmd`+`g`
- | Resize window to remove black borders  | `Ctrl`+`x` \| _Double-click¹_ | `Cmd`+`x`  \| _Double-click¹_
+ | Resize window to remove black borders  | `Ctrl`+`w` \| _Double-click¹_ | `Cmd`+`w`  \| _Double-click¹_
  | Click on `HOME`                        | `Ctrl`+`h` \| _Middle-click_  | `Ctrl`+`h` \| _Middle-click_
  | Click on `BACK`                        | `Ctrl`+`b` \| _Right-click²_  | `Cmd`+`b`  \| _Right-click²_
  | Click on `APP_SWITCH`                  | `Ctrl`+`s`                    | `Cmd`+`s`
@@ -206,14 +206,17 @@ Note: it is not necessary to keep you Android device connected via USB after you
  | Turn device screen off (keep mirroring)| `Ctrl`+`o`                    | `Cmd`+`o`
  | Expand notification panel              | `Ctrl`+`n`                    | `Cmd`+`n`
  | Collapse notification panel            | `Ctrl`+`Shift`+`n`            | `Cmd`+`Shift`+`n`
- | Copy device clipboard to computer      | `Ctrl`+`c`                    | `Cmd`+`c`
- | Paste computer clipboard to device     | `Ctrl`+`v`                    | `Cmd`+`v`
- | Copy computer clipboard to device      | `Ctrl`+`Shift`+`v`            | `Cmd`+`Shift`+`v`
+ | Copy to clipboard³                     | `Ctrl`+`c`                    | `Cmd`+`c`
+ | Cut to clipboard³                      | `Ctrl`+`x`                    | `Cmd`+`x`
+ | Synchronize clipboards and paste³      | `Ctrl`+`v`                    | `Cmd`+`v`
+ | Inject computer clipboard text         | `Ctrl`+`Shift`+`v`            | `Cmd`+`Shift`+`v`
 
 _¹Double-click on black borders to remove them._  
 
 _²Right-click turns the screen on if it was off, presses BACK otherwise._
 
+_³Only on Android >= 7._
+
 ## TODO
 [TODO](docs/TODO.md)
 
@@ -241,7 +244,7 @@ There are several reasons listed as below according to importance (high to low).
 All the dependencies are provided and it is easy to compile.
 
 ### PC client
-1. Set up the Qt development environment on the target platform (Qt == 5.15.0, vs == 2017 (mingw not supported))
+1. Set up the Qt development environment on the target platform (Qt == 5.15.2, vs == 2019 (mingw not supported))
 2. Clone the project
 3. Open the project root directory all.pro with QtCreator
 4. Compile and run
diff --git a/README_zh.md b/README_zh.md
index 1973cb95e..b16147a74 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -193,7 +193,7 @@ Mac OS平台，你可以直接使用我编译好的可执行程序:
  | -------------------------------------- |:----------------------------- |:-----------------------------
  | 切换全屏                               | `Ctrl`+`f`                     | `Cmd`+`f`
  | 调整窗口大小为 1:1                      | `Ctrl`+`g`                    | `Cmd`+`g`
- | 调整窗口大小去除黑边                    | `Ctrl`+`x` \| _左键双击_       | `Cmd`+`x`  \| _左键双击_
+ | 调整窗口大小去除黑边                    | `Ctrl`+`w` \| _左键双击_       | `Cmd`+`w`  \| _左键双击_
  | 点击 `主页`                            | `Ctrl`+`h` \| _点击鼠标中键_    | `Ctrl`+`h` \| _点击鼠标中键_
  | 点击 `BACK`                            | `Ctrl`+`b` \| _右键双击_       | `Cmd`+`b`  \| _右键双击_
  | 点击 `APP_SWITCH`                      | `Ctrl`+`s`                    | `Cmd`+`s`
@@ -205,9 +205,10 @@ Mac OS平台，你可以直接使用我编译好的可执行程序:
  | 关闭屏幕 (保持投屏)                     | `Ctrl`+`o`                    | `Cmd`+`o`
  | 打开下拉菜单                           | `Ctrl`+`n`                    | `Cmd`+`n`
  | 关闭下拉菜单                           | `Ctrl`+`Shift`+`n`            | `Cmd`+`Shift`+`n`
- | 复制设备剪切板到电脑                    | `Ctrl`+`c`                    | `Cmd`+`c`
- | 粘贴电脑剪切板到设备                    | `Ctrl`+`v`                    | `Cmd`+`v`
- | 复制电脑剪切板到设备                    | `Ctrl`+`Shift`+`v`            | `Cmd`+`Shift`+`v`
+ | 复制到剪切板                           | `Ctrl`+`c`                    | `Cmd`+`c`
+ | 剪切到剪切板                           | `Ctrl`+`x`                    | `Cmd`+`x`
+ | 同步剪切板并粘贴                       | `Ctrl`+`v`                    | `Cmd`+`v`
+ | 注入电脑剪切板文本                     | `Ctrl`+`Shift`+`v`            | `Cmd`+`Shift`+`v`
 
 鼠标左键双击黑色区域可以去除黑色区域
 
@@ -240,7 +241,7 @@ Mac OS平台，你可以直接使用我编译好的可执行程序:
 尽量提供了所有依赖资源，方便傻瓜式编译。
 
 ### PC端
-1. 目标平台上搭建Qt开发环境(Qt == 5.15, vs == 2017 (**不支持mingw**))
+1. 目标平台上搭建Qt开发环境(Qt == 5.15.2, vs == 2019 (**不支持mingw**))
 2. 克隆该项目
 3. 使用QtCreator打开项目根目录all.pro
 4. 编译，运行即可
diff --git a/config/config.ini b/config/config.ini
index ba116547b..6b85845f6 100644
--- a/config/config.ini
+++ b/config/config.ini
@@ -10,7 +10,7 @@ RenderExpiredFrames=0
 # 视频解码方式：-1 自动，0 软解，1 dx硬解，2 opengl硬解
 UseDesktopOpenGL=-1
 # scrcpy-server的版本号（不要修改）
-ServerVersion=1.14
+ServerVersion=1.17
 # scrcpy-server推送到安卓设备的路径
 ServerPath=/data/local/tmp/scrcpy-server.jar
 # 自定义adb路径，例如D:/android/tools/adb.exe
@@ -19,6 +19,9 @@ AdbPath=
 # 例如 CodecOptions="profile=1,level=2"
 # 更多编码选项参考 https://d.android.com/reference/android/media/MediaFormat
 CodecOptions="-"
+# 指定编码器名称，必须是H.264编码器
+# 例如 CodecName="OMX.qcom.video.encoder.avc"
+CodecName="-"
 
 # Set the log level (debug, info, warn, error)
 LogLevel=info
diff --git a/docs/KeyMapDes_zh.md b/docs/KeyMapDes_zh.md
index 1ea0ce072..07669a0f1 100644
--- a/docs/KeyMapDes_zh.md
+++ b/docs/KeyMapDes_zh.md
@@ -25,7 +25,9 @@
 - mouseMoveMap：鼠标移动映射，鼠标的移动将被映射为以startPos为起点，以鼠标移动方向为移动方向的手指拖动操作（开启鼠标移动映射以后会隐藏鼠标，限制鼠标移动范围）。
 一般在FPS手游中用来调整人物视野。
     - startPos 手指拖动起始点
-    - speedRatio 鼠标移动映射为手指拖动的比例，可以控制鼠标灵敏度，数值要大于0.00，数值越大，灵敏度越低
+    - speedRatio 鼠标移动映射为手指拖动的比例，可以控制鼠标灵敏度，数值要大于0.00225，数值越大，灵敏度越低，Y轴以2.25的比率平移。如果这不适合您的手机屏幕，请使用以下两种设置来设置单个灵敏度值。
+    - speedRatioX 鼠标X轴的速度比灵敏度。此值必须至少为0.001。
+    - speedRatioY 鼠标Y轴的速度比灵敏度。此值必须至少为0.001。
     - smallEyes 触发小眼睛的按键，按下此按键以后，鼠标的移动将被映射为以smallEyes.pos为起点，以鼠标移动方向为移动方向的手指拖动操作
 
 - keyMapNodes 一般按键的映射，json数组，所有一般按键映射都放在这个数组中，将键盘的按键映射为普通的手指点击。
diff --git a/docs/TODO.md b/docs/TODO.md
index 4d3ca811c..8447d77c9 100644
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -1,4 +1,4 @@
-最后同步scrcpy 3c0fc8f54f42bf6e7eca35b352a7d343749b65c4
+最后同步scrcpy 08baaf4b575aef7ee56d14683be3f4e3a86d39aa
 
 # TODO
 ## 低优先级
@@ -12,6 +12,8 @@
 - opengles 3.0 兼容性参考[这里](https://github.com/libretro/glsl-shaders/blob/master/nnedi3/shaders/yuv-to-rgb-2x.glsl)
 - 通过host:track-devices实现自动连接 https://www.jianshu.com/p/2cb86c6de76c
 - 旋转 https://github.com/Genymobile/scrcpy/commit/d48b375a1dbc8bed92e3424b5967e59c2d8f6ca1
+- 禁用屏幕保护 https://github.com/Genymobile/scrcpy/commit/dc7b60e6199b90a45ea26751988f6f30f8b2efdf
+- 自定义快捷键 https://github.com/Genymobile/scrcpy/commit/1b76d9fd78c3a88a8503a72d4cd2f65bdb836aa4
 
 ## 高优先级
 - linux打包以及版本号
diff --git a/third_party/scrcpy-server b/third_party/scrcpy-server
index 73d292aa8..ab38830e6 100644
Binary files a/third_party/scrcpy-server and b/third_party/scrcpy-server differ