diff --git a/libxsync b/libxsync
index 8433478..5a720b8 160000
--- a/libxsync
+++ b/libxsync
@@ -1 +1 @@
-Subproject commit 8433478652974055656b7f257047f654077bc5f8
+Subproject commit 5a720b8a84ea7f5aa7fdd269ffb125ef29fdbfad
diff --git a/mainwindow.cpp b/mainwindow.cpp
index ec9ee69..ab6cca7 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -11,6 +11,34 @@ using namespace std;
 static MainWindow *m_mainWindow;
 #define TAG "MainWindow"
 
+static const char *fmt(const char *fmt, ...) {
+  va_list args;
+  va_start(args, fmt);
+  static char buf[1024] = {0};
+  vsnprintf(buf, sizeof(buf), fmt, args);
+  va_end(args);
+  return buf;
+}
+
+static const uint32_t str2int(QString str) {
+  // 如果0x开头，按16进制转换
+  // 如果0b开头，按2进制转换
+  // 否则按10进制转换
+
+  // 去除掉str中_
+  str.remove("_");
+
+  if (str.startsWith("0x")) {
+    return str.toUInt(nullptr, 16);
+  } else if (str.startsWith("0b")) {
+    // remove 0b
+    str.remove(0, 2);
+    return str.toUInt(nullptr, 2);
+  } else {
+    return str.toUInt(nullptr, 10);
+  }
+}
+
 void MainWindow::log_output(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
   QString text;
   text.append(msg);
@@ -24,7 +52,7 @@ void MainWindow::push_reg(QWidget *parent, int off, const char *regname, int32_t
   {
     auto *label = new QLabel(parent);
     label->setObjectName(QString::fromUtf8("label"));
-    label->setText(QString(regname));
+    label->setText(QString(fmt("%s(0x%04x)", regname, regadd)));
     QSizePolicy sizePolicy1(QSizePolicy::Minimum, QSizePolicy::Expanding);
     sizePolicy1.setHorizontalStretch(0);
     sizePolicy1.setVerticalStretch(0);
@@ -78,6 +106,24 @@ void MainWindow::push_reg(QWidget *parent, int off, const char *regname, int32_t
     sizePolicy.setHeightForWidth(button->sizePolicy().hasHeightForWidth());
     button->setSizePolicy(sizePolicy);
 
+    // connect(this,
+    connect(button, &QPushButton::clicked, [this, regadd](bool) {  //
+      QString  regval_str = m_regdisplayer[regadd]->regEditer->toPlainText();
+      uint32_t regval     = str2int(regval_str);
+      ZLOGI(TAG, "write reg 0x%04x %d", regadd, regval);
+
+      uint32_t readbackval = 0;
+      auto     ecode       = Xsync::Ins().reg_write(regadd, regval, readbackval);
+      if (ecode == kxs_ec_success) {
+        ZLOGI(TAG, "write reg 0x%04x %d success", regadd, regval);
+        m_regdisplayer[regadd]->regvalcache = regval;
+        m_regdisplayer[regadd]->regBrowser->setText(QString::number(regval, 16));
+      } else {
+        ZLOGE(TAG, "write reg 0x%04x %d fail,ecode:%s", regadd, regval, xs_error_code_2_str(ecode));
+      }
+
+    });
+
     regitem->writerButton = button;
     ui->reg_table->addWidget(button, off, 3, 1, 1);
   }
@@ -85,13 +131,16 @@ void MainWindow::push_reg(QWidget *parent, int off, const char *regname, int32_t
 }
 
 void MainWindow::construct_reg_table() {  //
-  push_reg(ui->gridLayoutWidget, 1, "reg0", 0x1000, 0);
-  push_reg(ui->gridLayoutWidget, 2, "reg1", 0x1001, 0);
-  push_reg(ui->gridLayoutWidget, 3, "reg1", 0x1002, 0);
-  push_reg(ui->gridLayoutWidget, 4, "reg1", 0x1003, 0);
-  push_reg(ui->gridLayoutWidget, 5, "reg1", 0x1004, 0);
+  int regoff = 1;
+  push_reg(ui->gridLayoutWidget, regoff++, "reg1", 0x1000, 0);
+  push_reg(ui->gridLayoutWidget, regoff++, "reg1", 0x1001, 0);
+  push_reg(ui->gridLayoutWidget, regoff++, "reg1", 0x1002, 0);
+  push_reg(ui->gridLayoutWidget, regoff++, "reg1", 0x1003, 0);
+  push_reg(ui->gridLayoutWidget, regoff++, "reg1", 0x1004, 0);
+
+  // 设置table的高度
   auto qrect = ui->gridLayoutWidget->geometry();
-  qrect.setHeight(31 * 5);
+  qrect.setHeight(31 * regoff - 1);
   ui->gridLayoutWidget->setGeometry(qrect);
 }
 //
@@ -124,10 +173,25 @@ void MainWindow::on_RefreshRegsButton_clicked() {  //
   ZLOGI(TAG, "on_refreshRegsButton_clicked");
 
   QtConcurrent::run([this]() {
-    while (true) {
-      ZLOGI(TAG, "on_refreshRegsButton_clicked......");
-      auto ecode = Xsync::Ins().reg_write(0xABCDDCBA, 0x12345678);
-      ZLOGI(TAG, "reg_read ecode:%s", xs_error_code_2_str(ecode));
+    bool suc = true;
+    for (auto &reg : m_regdisplayer) {
+      uint32_t regValue = 0;
+      auto     ecode    = Xsync::Ins().reg_read(reg.first, regValue);
+      if (ecode == kxs_ec_success) {
+        ZLOGI(TAG, "reg_read %x success", reg.first);
+        reg.second->regvalcache = regValue;
+        reg.second->regBrowser->setText(QString::number(regValue, 16));
+      } else {
+        ZLOGE(TAG, "reg_read %x fail,ecode:%s", reg.first, xs_error_code_2_str(ecode));
+        suc = false;
+        break;
+      }
+    }
+
+    if (suc) {
+      ZLOGI(TAG, "readreg end...");
+    } else {
+      ZLOGI(TAG, "readreg error");
     }
   });
 
@@ -144,11 +208,10 @@ void MainWindow::on_Connect2XsyncButton_clicked() {  //
 }
 void MainWindow::mainWindowsRun() {  //
   XSyncUdpFactoryImpl::Ins()->initialize();
-
-  auto xsudp = XSyncUdpFactoryImpl::Ins()->createXSUDP();
-  XS_ASSERT(xsudp->initialize("0.0.0.0", 9999));
-  xsudp->startReceive([this, xsudp](XsyncNetAdd &from, uint8_t *data, size_t length) {
-    // ZLOGI(TAG, "receive from <%s:%d> (%d) :%s", from.ip.c_str(), from.port, data, length);
-    xsudp->sendto(from, "hello\n", 5, NULL);
-  });
+  // auto xsudp = XSyncUdpFactoryImpl::Ins()->createXSUDP();
+  // XS_ASSERT(xsudp->initialize("0.0.0.0", 9999));
+  // xsudp->startReceive([this, xsudp](XsyncNetAdd &from, uint8_t *data, size_t length) {
+  //   // ZLOGI(TAG, "receive from <%s:%d> (%d) :%s", from.ip.c_str(), from.port, data, length);
+  //   xsudp->sendto(from, "hello\n", 5, NULL);
+  // });
 }
diff --git a/mainwindow.h b/mainwindow.h
index 4e6edd5..2cb48a6 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -45,6 +45,7 @@ class DispalyRegIterm {
   QTextBrowser *regBrowser   = 0;
   QTextEdit    *regEditer    = 0;
   QPushButton  *writerButton = 0;
+  uint32_t      regvalcache;
 };
 
 class MainWindow : public QMainWindow {