diff --git a/doric-Qt/example/doric/Doric.h b/doric-Qt/example/doric/Doric.h
new file mode 100644
index 00000000..b3fa6b94
--- /dev/null
+++ b/doric-Qt/example/doric/Doric.h
@@ -0,0 +1,13 @@
+#ifndef DORIC_H
+#define DORIC_H
+
+#include "DoricLibrary.h"
+
+class Doric {
+public:
+  static void registerLibrary(DoricLibrary *doricLibrary) {
+    DoricRegistry::getInstance()->registerLibrary(doricLibrary);
+  }
+};
+
+#endif // DORIC_H
diff --git a/doric-Qt/example/doric/DoricLibrary.h b/doric-Qt/example/doric/DoricLibrary.h
new file mode 100644
index 00000000..39d2ae69
--- /dev/null
+++ b/doric-Qt/example/doric/DoricLibrary.h
@@ -0,0 +1,11 @@
+#ifndef DORICLIBRARY_H
+#define DORICLIBRARY_H
+
+#include "DoricRegistry.h"
+
+class DoricLibrary {
+public:
+  virtual void load(DoricRegistry *registry) = 0;
+};
+
+#endif // DORICLIBRARY_H
diff --git a/doric-Qt/example/doric/DoricRegistry.cpp b/doric-Qt/example/doric/DoricRegistry.cpp
index cf12e60e..3cd10062 100644
--- a/doric-Qt/example/doric/DoricRegistry.cpp
+++ b/doric-Qt/example/doric/DoricRegistry.cpp
@@ -1,4 +1,5 @@
 #include "DoricRegistry.h"
+#include "DoricLibrary.h"
 
 #include "plugin/DoricModalPlugin.h"
 #include "plugin/DoricNetworkPlugin.h"
@@ -41,3 +42,8 @@ bool DoricRegistry::acquirePluginInfo(QString name) {
 bool DoricRegistry::acquireNodeInfo(QString name) {
   return nodes.acquireClass(name);
 }
+
+void DoricRegistry::registerLibrary(DoricLibrary *doricLibrary) {
+  doricLibraries.insert(doricLibrary);
+  doricLibrary->load(this);
+}
diff --git a/doric-Qt/example/doric/DoricRegistry.h b/doric-Qt/example/doric/DoricRegistry.h
index a054a538..71c93c5e 100644
--- a/doric-Qt/example/doric/DoricRegistry.h
+++ b/doric-Qt/example/doric/DoricRegistry.h
@@ -1,12 +1,27 @@
 #ifndef REGISTRY_H
 #define REGISTRY_H
 
+#include <QDebug>
 #include <QString>
 
 #include "utils/DoricObjectFactory.h"
 
+class DoricLibrary;
+
 class DoricRegistry {
+private:
+  static DoricRegistry *local_instance;
+
+  ~DoricRegistry() { qDebug() << "destructor"; }
+
 public:
+  static DoricRegistry *getInstance() {
+    static DoricRegistry instance;
+    return &instance;
+  }
+
+  QSet<DoricLibrary *> doricLibraries;
+
   DoricObjectFactory plugins;
   DoricObjectFactory nodes;
 
@@ -23,6 +38,8 @@ public:
   bool acquirePluginInfo(QString name);
 
   bool acquireNodeInfo(QString name);
+
+  void registerLibrary(DoricLibrary *doricLibrary);
 };
 
 #endif // REGISTRY_H
diff --git a/doric-Qt/example/doric/doric.pro b/doric-Qt/example/doric/doric.pro
index fae2c4aa..63f46d77 100644
--- a/doric-Qt/example/doric/doric.pro
+++ b/doric-Qt/example/doric/doric.pro
@@ -89,9 +89,11 @@ else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
 
 HEADERS += \
+    Doric.h \
     DoricContext.h \
     DoricContextManager.h \
     DoricInterfaceDriver.h \
+    DoricLibrary.h \
     DoricNativeDriver.h \
     DoricPanel.h \
     DoricRegistry.h \
diff --git a/doric-Qt/example/doric/engine/DoricJSEngine.h b/doric-Qt/example/doric/engine/DoricJSEngine.h
index c1606280..f8f3909c 100644
--- a/doric-Qt/example/doric/engine/DoricJSEngine.h
+++ b/doric-Qt/example/doric/engine/DoricJSEngine.h
@@ -11,7 +11,7 @@ class DoricJSEngine : public QObject {
   Q_OBJECT
 private:
   DoricInterfaceJSE *mJSE;
-  DoricRegistry *mRegistry = new DoricRegistry();
+  DoricRegistry *mRegistry = DoricRegistry::getInstance();
 
   void loadBuiltinJS(QString assetName);
   QString packageContextScript(QString contextId, QString content);