diff --git a/QtScrcpy/dialog.cpp b/QtScrcpy/dialog.cpp
index d8ff7b4..a84f32f 100644
--- a/QtScrcpy/dialog.cpp
+++ b/QtScrcpy/dialog.cpp
@@ -83,7 +83,7 @@ void Dialog::initUI()
     ui->bitRateBox->addItem("6000000");
     ui->bitRateBox->addItem("8000000");
     ui->bitRateBox->addItem("10000000");
-    ui->bitRateBox->setCurrentIndex(2);
+    ui->bitRateBox->setCurrentIndex(Config::getInstance().getBitRateIndex());
 
     ui->maxSizeBox->addItem("640");
     ui->maxSizeBox->addItem("720");
@@ -91,13 +91,14 @@ void Dialog::initUI()
     ui->maxSizeBox->addItem("1280");
     ui->maxSizeBox->addItem("1920");
     ui->maxSizeBox->addItem(tr("original"));
-    ui->maxSizeBox->setCurrentIndex(2);
+    ui->maxSizeBox->setCurrentIndex(Config::getInstance().getMaxSizeIndex());
 
     ui->formatBox->addItem("mp4");
     ui->formatBox->addItem("mkv");
+    ui->formatBox->setCurrentIndex(Config::getInstance().getRecordFormatIndex());
 
     ui->recordPathEdt->setText(Config::getInstance().getRecordPath());
-}
+ }
 
 void Dialog::execAdbCmd()
 {
@@ -358,3 +359,18 @@ void Dialog::on_recordScreenCheck_clicked(bool checked)
         ui->recordScreenCheck->setChecked(false);
     }
 }
+
+void Dialog::on_bitRateBox_activated(int index)
+{
+    Config::getInstance().setBitRateIndex(index);
+}
+
+void Dialog::on_maxSizeBox_activated(int index)
+{
+    Config::getInstance().setMaxSizeIndex(index);
+}
+
+void Dialog::on_formatBox_activated(int index)
+{
+    Config::getInstance().setRecordFormatIndex(index);
+}
diff --git a/QtScrcpy/dialog.h b/QtScrcpy/dialog.h
index d04645e..a55361f 100644
--- a/QtScrcpy/dialog.h
+++ b/QtScrcpy/dialog.h
@@ -56,6 +56,12 @@ private slots:
 
     void on_recordScreenCheck_clicked(bool checked);
 
+    void on_bitRateBox_activated(int index);
+
+    void on_maxSizeBox_activated(int index);
+
+    void on_formatBox_activated(int index);
+
 private:
     bool checkAdbRun();
     void initUI();
diff --git a/QtScrcpy/util/config.cpp b/QtScrcpy/util/config.cpp
index c960f0a..9050461 100644
--- a/QtScrcpy/util/config.cpp
+++ b/QtScrcpy/util/config.cpp
@@ -35,6 +35,17 @@
 #define COMMON_RECORD_KEY "RecordPath"
 #define COMMON_RECORD_DEF ""
 
+#define COMMON_BITRATE_INDEX_KEY "BitRateIndex"
+#define COMMON_BITRATE_INDEX_DEF 2
+
+#define COMMON_MAX_SIZE_INDEX_KEY "MaxSizeIndex"
+#define COMMON_MAX_SIZE_INDEX_DEF 2
+
+#define COMMON_RECORD_FORMAT_INDEX_KEY "RecordFormatIndex"
+#define COMMON_RECORD_FORMAT_INDEX_DEF 0
+
+// 最大尺寸 录制格式
+
 QString Config::s_configPath = "";
 
 Config::Config(QObject *parent) : QObject(parent)
@@ -80,6 +91,54 @@ void Config::setRecordPath(const QString &path)
     m_userData->endGroup();
 }
 
+int Config::getBitRateIndex()
+{
+    int bitRateIndex;
+    m_userData->beginGroup(GROUP_COMMON);
+    bitRateIndex = m_userData->value(COMMON_BITRATE_INDEX_KEY, COMMON_BITRATE_INDEX_DEF).toInt();
+    m_userData->endGroup();
+    return bitRateIndex;
+}
+
+void Config::setBitRateIndex(int bitRateIndex)
+{
+    m_userData->beginGroup(GROUP_COMMON);
+    m_userData->setValue(COMMON_BITRATE_INDEX_KEY, bitRateIndex);
+    m_userData->endGroup();
+}
+
+int Config::getMaxSizeIndex()
+{
+    int maxSizeIndex;
+    m_userData->beginGroup(GROUP_COMMON);
+    maxSizeIndex = m_userData->value(COMMON_MAX_SIZE_INDEX_KEY, COMMON_MAX_SIZE_INDEX_DEF).toInt();
+    m_userData->endGroup();
+    return maxSizeIndex;
+}
+
+void Config::setMaxSizeIndex(int maxSizeIndex)
+{
+    m_userData->beginGroup(GROUP_COMMON);
+    m_userData->setValue(COMMON_MAX_SIZE_INDEX_KEY, maxSizeIndex);
+    m_userData->endGroup();
+}
+
+int Config::getRecordFormatIndex()
+{
+    int recordFormatIndex;
+    m_userData->beginGroup(GROUP_COMMON);
+    recordFormatIndex = m_userData->value(COMMON_RECORD_FORMAT_INDEX_KEY, COMMON_RECORD_FORMAT_INDEX_DEF).toInt();
+    m_userData->endGroup();
+    return recordFormatIndex;
+}
+
+void Config::setRecordFormatIndex(int recordFormatIndex)
+{
+    m_userData->beginGroup(GROUP_COMMON);
+    m_userData->setValue(COMMON_RECORD_FORMAT_INDEX_KEY, recordFormatIndex);
+    m_userData->endGroup();
+}
+
 QString Config::getServerVersion()
 {
     QString server;
diff --git a/QtScrcpy/util/config.h b/QtScrcpy/util/config.h
index 580e7e5..9e91841 100644
--- a/QtScrcpy/util/config.h
+++ b/QtScrcpy/util/config.h
@@ -10,9 +10,8 @@ class Config : public QObject
     Q_OBJECT
 public:
     static Config& getInstance();
+    // config
     QString getTitle();
-    QString getRecordPath();
-    void setRecordPath(const QString& path);
     QString getServerVersion();
     int getMaxFps();
     int getDesktopOpenGL();
@@ -21,6 +20,16 @@ public:
     QString getPushFilePath();
     QString getServerPath();
 
+    // user data
+    QString getRecordPath();
+    void setRecordPath(const QString& path);
+    int getBitRateIndex();
+    void setBitRateIndex(int bitRateIndex);
+    int getMaxSizeIndex();
+    void setMaxSizeIndex(int maxSizeIndex);
+    int getRecordFormatIndex();
+    void setRecordFormatIndex(int recordFormatIndex);
+
 private:
     explicit Config(QObject *parent = nullptr);
     const QString& getConfigPath();