diff --git a/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.cpp b/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.cpp
index 5f41c4fdd9..d23091db12 100644
--- a/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.cpp
+++ b/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.cpp
@@ -749,6 +749,15 @@ std::string RemoveListenerAfterAddingTest::subtitle() const
 //
 //DirectorEventTest
 //
+DirectorEventTest::DirectorEventTest()
+:_count1(0)
+,_count2(0)
+,_count3(0)
+,_count4(0)
+{
+
+}
+
 void DirectorEventTest::onEnter()
 {
     EventDispatcherTestDemo::onEnter();
diff --git a/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.h b/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.h
index 0512b3c31d..2de772a6af 100644
--- a/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.h
+++ b/samples/Cpp/TestCpp/Classes/NewEventDispatcherTest/NewEventDispatcherTest.h
@@ -117,6 +117,7 @@ class DirectorEventTest : public EventDispatcherTestDemo
 {
 public:
     CREATE_FUNC(DirectorEventTest);
+    DirectorEventTest();
     virtual void onEnter() override;
     virtual void onExit() override;