diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1722855..5edd88f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -110,7 +110,8 @@
         "xstring": "cpp",
         "xtr1common": "cpp",
         "xtree": "cpp",
-        "xutility": "cpp"
+        "xutility": "cpp",
+        "qformlayout": "cpp"
     },
     "files.autoGuessEncoding": false,
 }
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3081bd0..041ad98 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,7 @@ file(GLOB_RECURSE APPSRC #
      src/*.h #
      src/*.hpp #
 )
-
+ 
 set(PROJECT_SOURCES
     ${APPSRC}
     app.rc
diff --git a/src/app/main.cpp b/src/app/main.cpp
index 7314ebd..b17e1af 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -18,9 +18,12 @@
 #include <string>
 #include <vector>
 
+#include "zqui/appmgr/appmgr.hpp"
 #include "zqui/mainpage/mainwindow.h"
 #include "zqui/zqui.hpp"
 //
+#include "app/syncbox16ch/syncbox16ch.h"
+//
 #include <winsock2.h>
 //
 #include <Windows.h>
@@ -29,11 +32,13 @@
 using namespace std;
 QT_CHARTS_USE_NAMESPACE
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   WSADATA wsaData;
   WSAStartup(MAKEWORD(2, 2), &wsaData);
 
   QApplication a(argc, argv);
+
+  AppMgr::ins()->regAppBuilder([](QWidget* p) { return new syncbox16ch(p); });
   ZQUI::ins()->initialize();
   return a.exec();
 }
diff --git a/src/app/syncbox16ch/syncbox16ch.h b/src/app/syncbox16ch/syncbox16ch.h
index b9380a7..b47a3d9 100644
--- a/src/app/syncbox16ch/syncbox16ch.h
+++ b/src/app/syncbox16ch/syncbox16ch.h
@@ -7,16 +7,15 @@ namespace Ui {
 class syncbox16ch;
 }
 
-class syncbox16ch : public QWidget
-{
-    Q_OBJECT
+class syncbox16ch : public QWidget {
+  Q_OBJECT
 
-public:
-    explicit syncbox16ch(QWidget *parent = nullptr);
-    ~syncbox16ch();
+ public:
+  explicit syncbox16ch(QWidget *parent = nullptr);
+  ~syncbox16ch();
 
-private:
-    Ui::syncbox16ch *ui;
+ private:
+  Ui::syncbox16ch *ui;
 };
 
-#endif // SYNCBOX16CH_H
+#endif  // SYNCBOX16CH_H
diff --git a/src/zqui/appmgr/appmgr.cpp b/src/zqui/appmgr/appmgr.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/zqui/appmgr/appmgr.hpp b/src/zqui/appmgr/appmgr.hpp
new file mode 100644
index 0000000..dc2b35a
--- /dev/null
+++ b/src/zqui/appmgr/appmgr.hpp
@@ -0,0 +1,54 @@
+#pragma once
+
+#include <QMainWindow>
+#include <QtCore/QVariant>
+#include <QtWidgets/QAction>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QFormLayout>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QGroupBox>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QMainWindow>
+#include <QtWidgets/QMenu>
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QSpacerItem>
+#include <QtWidgets/QStatusBar>
+#include <QtWidgets/QTabWidget>
+#include <QtWidgets/QTextBrowser>
+#include <QtWidgets/QTextEdit>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QWidget>
+//
+
+#include <fstream>
+#include <functional>
+#include <iostream>
+#include <list>
+#include <map>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <string>
+#include <vector>
+
+typedef std::function<QWidget *(QWidget *parent)> appbuilder_fn_t;
+
+class AppMgr {
+ public:
+  appbuilder_fn_t appBuilder;
+
+ public:
+  static AppMgr *ins() {
+    static AppMgr instance;
+    return &instance;
+  }
+
+  void     regAppBuilder(appbuilder_fn_t builder) { appBuilder = builder; }
+  QWidget *buildApp(QWidget *parent) {
+    if (appBuilder) return appBuilder(parent);
+    return nullptr;
+  }
+};
diff --git a/src/zqui/mainpage/mainwindow.cpp b/src/zqui/mainpage/mainwindow.cpp
index a2c1c73..9cffaf0 100644
--- a/src/zqui/mainpage/mainwindow.cpp
+++ b/src/zqui/mainpage/mainwindow.cpp
@@ -10,6 +10,7 @@
 #include "zqui/base/QFunction.hpp"
 #include "zqui/channelmgr/channelmgr.hpp"
 //
+#include "zqui/appmgr/appmgr.hpp"
 #include "zqui/zqui.hpp"
 // #include "app/syncbox16ch.h"
 // #include "version.h"
@@ -21,6 +22,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
   buildUI();
   ui->serialPortCB->installEventFilter(this);
   startTimer(1000);
+
+  QWidget *app = AppMgr::ins()->buildApp(ui->app_content);
+  if (app) app->show();
 }
 
 void MainWindow::buildUI() {