diff --git a/To be refactored/RetractableSidebarWindow/sidebarwindow.cpp b/To be refactored/RetractableSidebarWindow/sidebarwindow.cpp
index 0b215bc..6836d01 100644
--- a/To be refactored/RetractableSidebarWindow/sidebarwindow.cpp	
+++ b/To be refactored/RetractableSidebarWindow/sidebarwindow.cpp	
@@ -3,7 +3,7 @@
 SidebarWindow::SidebarWindow(QWidget *parent)
     : QWidget(parent)
 {
-    this->setupUi(this);
+    this->setupUi();
 }
 
 Sidebar *SidebarWindow::sidebar()
@@ -21,22 +21,22 @@ QStackedWidget *SidebarWindow::stackedWidget()
     return stackedWidget_;
 }
 
-void SidebarWindow::setupUi(QWidget *parent)
+void SidebarWindow::setupUi()
 {
-    this->horizontalLayout = new QHBoxLayout(parent);
+    this->horizontalLayout = new QHBoxLayout(this);
     this->horizontalLayout->setContentsMargins(0, 0, 0, 0);
 
     // 占位弹簧大小需要和侧边栏宽度相等,默认已相等
     this->placeholderSpring_ = new QSpacerItem(50, 0, QSizePolicy::Policy::Fixed, QSizePolicy::Policy::Minimum);
 
-    this->stackedWidget_ = new QStackedWidget(parent);
+    this->stackedWidget_ = new QStackedWidget(this);
 
     // 添加到水平布局中
     this->horizontalLayout->addItem(placeholderSpring_);
     this->horizontalLayout->addWidget(stackedWidget_);
 
     this->stackedWidget_->setCurrentIndex(-1); // 没有初始页
-    this->sidebar_ = new Sidebar(parent);      // 无布时,局默认位置即为(0,0)
+    this->sidebar_ = new Sidebar(this);      // 无布时,局默认位置即为(0,0)
     this->sidebar_->raise();                   // 将侧边栏移到最前方(写在其余控件之后)
     this->resize(600, 400);
 }
diff --git a/To be refactored/RetractableSidebarWindow/sidebarwindow.h b/To be refactored/RetractableSidebarWindow/sidebarwindow.h
index f0f0f7f..2c27d38 100644
--- a/To be refactored/RetractableSidebarWindow/sidebarwindow.h	
+++ b/To be refactored/RetractableSidebarWindow/sidebarwindow.h	
@@ -27,7 +27,7 @@ class SidebarWindow : public QWidget
     void clicked(); // 多页窗口被点击时此信号将发出
 
 private:
-    void setupUi(QWidget *parent);
+    void setupUi();
     Sidebar *sidebar_;               // 侧边栏
     QHBoxLayout *horizontalLayout;   // 水平布局
     QSpacerItem *placeholderSpring_; // 占位弹簧