diff --git a/QtCustomStyleEx/MyWidget/ExSwitchButton.cpp b/QtCustomStyleEx/MyWidget/ExSwitchButton.cpp
index 162a0bd..45c3b3b 100644
--- a/QtCustomStyleEx/MyWidget/ExSwitchButton.cpp
+++ b/QtCustomStyleEx/MyWidget/ExSwitchButton.cpp
@@ -22,6 +22,7 @@
 #include "ExSwitchButton.h"
 //#include "qglobal.h"
 
+
 EXWIDGET_BEGIN_NAMESPACE
 
 //xxxPrivate class 会在 xxx.cpp 里面来实现
diff --git a/QtCustomStyleEx/MyWidget/ExSwitchButton.h b/QtCustomStyleEx/MyWidget/ExSwitchButton.h
index 3fb9857..d2d3cd3 100644
--- a/QtCustomStyleEx/MyWidget/ExSwitchButton.h
+++ b/QtCustomStyleEx/MyWidget/ExSwitchButton.h
@@ -31,6 +31,7 @@ EXWIDGET_BEGIN_NAMESPACE
 
 class ExSwitchButton : public QAbstractButton
 {
+    Q_OBJECT
 public:
     explicit ExSwitchButton();
     ~ExSwitchButton();
diff --git a/QtCustomStyleEx/MyWidget/ExSwitchButton_p.h b/QtCustomStyleEx/MyWidget/ExSwitchButton_p.h
index 12b30a2..2c4ef74 100644
--- a/QtCustomStyleEx/MyWidget/ExSwitchButton_p.h
+++ b/QtCustomStyleEx/MyWidget/ExSwitchButton_p.h
@@ -24,18 +24,20 @@
 
 #include "ExMyGlobal.h"
 #include <QWidget>
+#include <QtGlobal>
+#include <private/qobject_p.h>
 
 EXWIDGET_BEGIN_NAMESPACE
 
 /*!
  * \~chinese \class ExSwitchButtonPrivate
  * \~chinese \brief ExSwitchButton 类的数据类， 便于实现源码/二进制兼容, 通常继承于 “自定义_Private” 的类
+ *                  若是自定义控件,没有继承于 QObjectPrivate 之类的, 使用 Q_Q Q_D 时候，会报错，需要自己定义 q_fun() 函数
  * \~chinese \sa Qt 自带的 QPushButtonPrivate， QPushButton 实现
  */
 
 class ExSwitchButton;
-class ExSwitchButtonPrivate      //自定义控件通常继承于 QObjectPrivate 之类的
-{
+class ExSwitchButtonPrivate : public QObjectPrivate {
 public:
     ExSwitchButtonPrivate(ExSwitchButton *qq);
     ~ExSwitchButtonPrivate();
diff --git a/QtCustomStyleEx/QtCustomStyleEx.pro b/QtCustomStyleEx/QtCustomStyleEx.pro
index d7ce2c4..eb5cd90 100644
--- a/QtCustomStyleEx/QtCustomStyleEx.pro
+++ b/QtCustomStyleEx/QtCustomStyleEx.pro
@@ -4,9 +4,10 @@
 #
 #-------------------------------------------------
 
-QT       += core gui
+#xxxPrivate 继承 Q-xxxx-Private的话，是需要的添加 core-private（有一些核心方法? 类 可能不开放）
+QT       += core gui core-private
 
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets widgets-private   # 若是需要继承 widgets相关，需要添加 widgets-private
 
 TARGET = custom-style
 TEMPLATE = app