diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4e5c540..bc46921 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,5 +1,6 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
+#include <QTimer>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
@@ -177,22 +178,119 @@ void MainWindow::on_pushButton_3_clicked()
 }
 
 
-void MainWindow::on_pushButton_9_clicked()
-{
-    QByteArray tmp = fHandler->genREGWrite(0x01,0x01,0x09,0x81);
-    qDebug()<<tmp.toHex();
+void MainWindow::on_pushButton_9_clicked() {
+	unsigned char REG[4] = { 0 };
+	unsigned char ucDAC = ui->comboBox_15->currentText().toUInt(NULL, 10);
+	unsigned char ucChannel = 0;
+	QString tmp = ui->lineEdit_2->text();
+	if (tmp.toInt() < 0 || tmp.toInt() > 256) {
+		onLogPrint("Wrong channel #");
+		return;
+	}
+	switch (tmp.toUInt()) {
+	case 256:
+		ucChannel = 0;
+		ucDAC = ucDAC | 0x80;
+		REG[1] = REG[1] | 0x02;
+		break;
+	default:
+		ucChannel = tmp.toUInt();
+		REG[3] = ucChannel;
+		break;
+	}
+
+	unsigned char ucFun1 = 0;
+	//EN_TADC
+	if (ui->checkBox->isChecked()) {
+		ucFun1 = ucFun1 | 0x01;
+		REG[1] = REG[1] | 0x80;
+	}
+	//FBK_EN
+	if (ui->checkBox_2->isChecked()) {
+		ucFun1 = ucFun1 | 0x02;
+		REG[1] = REG[1] | 0x01;
+
+	}
+	//TEMPTEST_EN
+	if (ui->checkBox_4->isChecked()) {
+		ucFun1 = ucFun1 | 0x04;
+		REG[2] = REG[2] | 0x80;
+		qDebug() << REG[2];
+	}
+	//TEST_EN
+	if (ui->checkBox_3->isChecked()) {
+		ucFun1 = ucFun1 | 0x08;
+		REG[2] = REG[2] | 0x20;
+	}
+	//TRIG_TADC
+	if (ui->checkBox_5->isChecked()) {
+		ucFun1 = ucFun1 | 0x10;
+		REG[2] = REG[2] | 0x40;
+	}
+
+	unsigned char ucFun2 = 0;
+	ucFun2 = ucFun2 | ui->comboBox_12->currentText().toUInt(NULL, 10); //N_CLKDIV18
+	ucFun2 = ucFun2 | (ui->comboBox_14->currentText().toUInt(NULL, 2) << 4); //ICON8
+	REG[1] = REG[1] | (ui->comboBox_12->currentText().toUInt(NULL, 10) << 5);
+	REG[2] = REG[2] | (ui->comboBox_14->currentText().toUInt(NULL, 2));
+
+	QString sendRegData;
+	for (auto i : REG) {
+		sendRegData += "0x" + QString::number(i, 16) + " ";
+	}
+	onLogPrint("Ready to write REG[1] - REG[4] : " + sendRegData);
+
+	QByteArray tmp1 = fHandler->genREGWrite(ucDAC, ucChannel, ucFun1, ucFun2);
+	switch (ui->comboBox->currentIndex()) {
+	case 0:
+		if (drvUart->Uart_Write(tmp1)) {
+			onLogPrint("Send data success");
+		} else {
+			onLogPrint("Send data fail");
+		}
+		break;
+	case 1:
+        onLogPrint("write data is " + tmp1.toHex());
+        if (drvSPI->spi_Write(tmp1)) {
+            onLogPrint("Send data success");
+        } else {
+			onLogPrint("Send data failed");
+        }
+		break;
+	}
+
+
 }
 
-
-void MainWindow::on_pushButton_10_clicked()
-{
-    QByteArray tmp = fHandler->genREGRead(0x01);
-    qDebug()<<tmp.toHex();
+void MainWindow::on_pushButton_10_clicked() {
+	unsigned char ucDAC = ui->comboBox_15->currentText().toUInt(NULL, 10);
+	QByteArray tmp = fHandler->genREGRead(ucDAC);
+	switch (ui->comboBox->currentIndex()) {
+	case 0:
+		if (drvUart->Uart_Write(tmp)) {
+			onLogPrint("Send data success");
+		} else {
+			onLogPrint("Send data fail");
+		}
+		break;
+	case 1:
+		onLogPrint("write data is " + tmp.toHex());
+		if (drvSPI->spi_Write(tmp)) {
+			onLogPrint("Send data success");
+			QTimer::singleShot(1000, [this]() {
+				QByteArray ba;
+				drvSPI->spi_Read(ba);
+				ui->textBrowser->append("SPI read: " + ba.toHex());
+				});
+		} else {
+			onLogPrint("Send data fail");
+		}
+		break;
+	}
 }
 
 void MainWindow::on_btnSpiSaveSetting_clicked() {
     drvSPI->spi_Init(
-        ui->comboBox_2->currentIndex(),
         ui->comboSpiMode->currentIndex(),
         ui->comboSpiClock->currentIndex(),
         ui->comboSpiByteOrder->currentIndex(),
@@ -203,31 +301,28 @@ void MainWindow::on_btnSpiSaveSetting_clicked() {
 }
 
 void MainWindow::onWriteRegButtonClicked() {
-    QByteArray ba;
-    ba.append(0x9F);
-    ba.append(0xE4);
-    ba.append(0x05);
-    ba.append(0x0B);
-    for (int i = 0; i < 11; ++i) {
-		ba.append((char)0x00);
-    }
-	ba.append(0x93);
-
-    drvSPI->spi_Write(ba);
-	qDebug() << __FUNCTION__ << ba;
+	QByteArray tmp = fHandler->genREGWrite(0x01, 0x01, 0x09, 0x81);
+    ui->textBrowser->append("SPI write: " + tmp.toHex());
+	drvSPI->spi_Write(tmp);
 }
 
 void MainWindow::onReadRegButtonClicked() {
-    qDebug() << __FUNCTION__;
+	QByteArray tmp = fHandler->genREGRead(0x01);
+	ui->textBrowser->append("SPI write: " + tmp.toHex());
+	QTimer::singleShot(2000, [this]() {
+		QByteArray ba;
+		drvSPI->spi_Read(ba);
+        ui->textBrowser->append("SPI read: " + ba.toHex());
+		});
 }
 
 void MainWindow::on_comboBox_currentTextChanged(const QString& text) {
-    if (text.toLower() == "spi") {
-        connect(ui->pushButton_4, &QPushButton::clicked, this, &MainWindow::onWriteRegButtonClicked);
-        connect(ui->pushButton_10, &QPushButton::clicked, this, &MainWindow::onReadRegButtonClicked);
-    } else {
-		disconnect(ui->pushButton_4, &QPushButton::clicked, this, &MainWindow::onWriteRegButtonClicked);
-		disconnect(ui->pushButton_10, &QPushButton::clicked, this, &MainWindow::onReadRegButtonClicked);
-    }
+//     if (text.toLower() == "spi") {
+//         connect(ui->pushButton_4, &QPushButton::clicked, this, &MainWindow::onWriteRegButtonClicked);
+//         connect(ui->pushButton_10, &QPushButton::clicked, this, &MainWindow::onReadRegButtonClicked);
+//     } else {
+// 		disconnect(ui->pushButton_4, &QPushButton::clicked, this, &MainWindow::onWriteRegButtonClicked);
+// 		disconnect(ui->pushButton_10, &QPushButton::clicked, this, &MainWindow::onReadRegButtonClicked);
+//     }
 }
 
diff --git a/mainwindow.ui b/mainwindow.ui
index efcc3fe..68ddaea 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1066,7 +1066,7 @@
         </widget>
        </item>
        <item row="7" column="0" colspan="2">
-        <widget class="QPushButton" name="pushButton_4">
+        <widget class="QPushButton" name="pushButton_9">
          <property name="text">
           <string>Write Reg</string>
          </property>
diff --git a/src/headers/drv_spi.h b/src/headers/drv_spi.h
index 1934940..e6a1843 100644
--- a/src/headers/drv_spi.h
+++ b/src/headers/drv_spi.h
@@ -57,8 +57,8 @@ public:
     bool  spi_openDevice(ULONG SpiI2cGpioDevIndex);     // 打开设备
     bool  spi_closeDevice();                            // 关闭设备
     bool  spi_Write(QByteArray &sendData);              // SPI写数据
-    BOOL  spi_Read(QByteArray &revData);                // SPI读数据
-    bool  spi_Init(int devIndex, int mode, int clock, int byteOrder, int CS1Pol, int CS2Pol, int dataBits);
+    bool  spi_Read(QByteArray &revData);                // SPI读数据
+    bool  spi_Init(int mode, int clock, int byteOrder, int CS1Pol, int CS2Pol, int dataBits);
 
     /*************变量定义*************/
     mDRV_Spi_Infors  m_DRV_Spi_Infors;      //Spi驱动相关信息
diff --git a/src/sources/drv_spi.cpp b/src/sources/drv_spi.cpp
index 18fdf77..46e6419 100644
--- a/src/sources/drv_spi.cpp
+++ b/src/sources/drv_spi.cpp
@@ -106,42 +106,46 @@ bool DRV_Spi::spi_Write(QByteArray &sendData)
     // 获取数据包的长度
     ULONG OutLen = sendData.length();
     // 将QByteArray转化为UCHAR
-    const UCHAR *OutBuf = reinterpret_cast<const unsigned char*>(sendData.constData());
+    UCHAR *OutBuf = reinterpret_cast<unsigned char*>(sendData.data());
 
     BOOL RetVal = FALSE;
     // 调用底层串口发送函数发送数据
-    RetVal = CH347SPI_Write(this->m_DRV_Spi_Infors.opendDevIndex, SPI_WRITE_CS, OutLen, SPI_WRITE_BLOCK_SIZE, (UCHAR *)OutBuf);
+    //RetVal = CH347SPI_Write(this->m_DRV_Spi_Infors.opendDevIndex, SPI_WRITE_CS, OutLen, SPI_WRITE_BLOCK_SIZE, (UCHAR *)OutBuf);
+    RetVal = CH347SPI_WriteRead(this->m_DRV_Spi_Infors.opendDevIndex, 0x80, sendData.count(), OutBuf);
     // 日志窗口输出调试信息
     DbgPrint("Spi_Write %dBytes %s.", OutLen,RetVal?"succ":"failure");
 
-    return RetVal;
+    return RetVal ? true : false;
 }
 
-BOOL DRV_Spi::spi_Read(QByteArray &revData)
+bool DRV_Spi::spi_Read(QByteArray &revData)
 {
-    ULONG InLen = 512;     // 设置读取的长度，读取完后会将该值赋值为真实的长度
-    ULONG OutLen = 0;     // 设置读取的长度，读取完后会将该值赋值为真实的长度
-    UCHAR InBuf[512] = {0x00};
+    ULONG InLen = 7;
+//    ULONG OutLen = 0;
+//    UCHAR InBuf[512] = {0x00};
+    revData.clear();
+    revData.append(InLen, 0x00);
 
     BOOL RetVal = FALSE;
 
     // 读取串口数据
-    RetVal = CH347SPI_Read(this->m_DRV_Spi_Infors.opendDevIndex, SPI_READ_CS, OutLen, &InLen, InBuf);
+    //RetVal = CH347SPI_Read(this->m_DRV_Spi_Infors.opendDevIndex, SPI_READ_CS, OutLen, &InLen, InBuf);
+	RetVal = CH347SPI_WriteRead(this->m_DRV_Spi_Infors.opendDevIndex, 0x80, InLen, revData.data());
 
-    DbgPrint("CH347Spi_Read %dB %s.",InLen,RetVal?"succ":"failure");
+	DbgPrint("CH347Spi_Read %dB %s.", InLen, RetVal ? "succ" : "failure");
 
-    if(RetVal)
-    {
-        //将数据存入revData变量中，返回给调用的函数
-        revData = QByteArray::fromRawData(reinterpret_cast<const char*>(InBuf), InLen);
-    }
-    return RetVal;
+//     if(RetVal)
+//     {
+//         //将数据存入revData变量中，返回给调用的函数
+//         revData = QByteArray::fromRawData(static_cast<char*>(InBuf), InLen);
+//     }
+    return RetVal ? true : false;
 }
 
-bool DRV_Spi::spi_Init(int devIndex, int mode, int clock, int byteOrder, int CS1Pol, int CS2Pol, int dataBits) {
+bool DRV_Spi::spi_Init(int mode, int clock, int byteOrder, int CS1Pol, int CS2Pol, int dataBits) {
 	mSpiCfgS spiCon;
     BOOL rv = FALSE;
-	rv = CH347SPI_GetCfg(devIndex, &spiCon);
+	rv = CH347SPI_GetCfg(m_DRV_Spi_Infors.opendDevIndex, &spiCon);
     DbgPrint("CH347SPI_GetCfg %s.", rv ? "succ" : "failure");
     if (rv == FALSE)
         return false;
@@ -155,11 +159,11 @@ bool DRV_Spi::spi_Init(int devIndex, int mode, int clock, int byteOrder, int CS1
 	spiCon.iIsAutoDeativeCS = 0;
 	spiCon.iActiveDelay = 0;
 	spiCon.iDelayDeactive = 0;
-	rv = CH347SPI_Init(devIndex, &spiCon);
+	rv = CH347SPI_Init(m_DRV_Spi_Infors.opendDevIndex, &spiCon);
 	DbgPrint("CH347SPI_Init %s.", rv ? "succ" : "failure");
 	if (rv == FALSE)
 		return false;
-	rv = CH347SPI_SetDataBits(devIndex, dataBits);
+	rv = CH347SPI_SetDataBits(m_DRV_Spi_Infors.opendDevIndex, dataBits);
 	DbgPrint("CH347SPI_SetDataBits %s.", rv ? "succ" : "failure");
     if (rv == FALSE)
         return false;