diff --git a/debian/changelog b/debian/changelog
index f1b2258..6e7ebcd 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -24,5 +24,6 @@ kylin-assistant (1.0.0-0ubuntu1) bionic; urgency=low
   * Rewrite theme ui module.
   * Scaning system with Thread.
   * Renice process priority.
+  * Make Minimize window work.
 
  -- lixiang <lixiang@kylinos.cn>  Mon, 29 Jan 2018 17:54:44 +0800
diff --git a/info/infogui.cpp b/info/infogui.cpp
index 6df4785..d406744 100644
--- a/info/infogui.cpp
+++ b/info/infogui.cpp
@@ -45,7 +45,7 @@ InfoGui::InfoGui(QWidget *parent)
     m_scrollArea = new QScrollArea;
     m_scrollArea->setWidgetResizable(true);
     m_scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    m_scrollArea->setStyleSheet("QScrollArea{border: none;background-color: #ffffff;}");
+//    m_scrollArea->setStyleSheet("QScrollArea{border: none;background-color: #ffffff;}");
 
     m_vLayout->setSpacing(10);
     m_vLayout->setMargin(0);
diff --git a/plugins/startupmanager/startupwidget.cpp b/plugins/startupmanager/startupwidget.cpp
index ecfba58..bb05b83 100644
--- a/plugins/startupmanager/startupwidget.cpp
+++ b/plugins/startupmanager/startupwidget.cpp
@@ -62,10 +62,12 @@ StartupWidget::StartupWidget(QWidget *parent)
     qRegisterMetaType<StartupDataPtrList>();
     qRegisterMetaType<QList<StartupData>>();
 
+    //kobe:如果不加Qt::WindowMinimizeButtonHint，则调用setFixedSize()之后，调用窗口最小化函数将会没有效果
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
 //    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);//Attention: Qt::WindowCloseButtonHint make showMinimized() valid
     this->setAutoFillBackground(true);
     this->setMouseTracking(true);
-    this->setWindowFlags(/*this->windowFlags() | */Qt::FramelessWindowHint  | Qt::WindowCloseButtonHint);//去掉边框
+//    this->setWindowFlags(/*this->windowFlags() | */Qt::FramelessWindowHint  | Qt::WindowCloseButtonHint);//去掉边框
 //    this->setAttribute(Qt::WA_TranslucentBackground);//背景透明
 //    this->setAutoFillBackground(true);
 //    this->setMouseTracking(true);
diff --git a/plugins/systemmonitor/systemmonitor.cpp b/plugins/systemmonitor/systemmonitor.cpp
index fea2d9e..c433e83 100644
--- a/plugins/systemmonitor/systemmonitor.cpp
+++ b/plugins/systemmonitor/systemmonitor.cpp
@@ -40,7 +40,9 @@ SystemMonitor::SystemMonitor(QWidget *parent)
 //    this->setWindowFlags(this->windowFlags() | Qt::FramelessWindowHint  | Qt::WindowCloseButtonHint);//去掉边框
 //    this->setAttribute(Qt::WA_TranslucentBackground);//背景透明
 
-    this->setWindowFlags(Qt::FramelessWindowHint);
+    //kobe:如果不加Qt::WindowMinimizeButtonHint，则调用setFixedSize()之后，调用窗口最小化函数将会没有效果
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
+//    this->setWindowFlags(Qt::FramelessWindowHint);
 //    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);//Attention: Qt::WindowCloseButtonHint make showMinimized() valid
 
     this->setAutoFillBackground(true);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index b71dd9f..0c8d150 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -71,8 +71,10 @@ MainWindow::MainWindow(QString cur_arch, int d_count, QWidget* parent/*, Qt::Win
     //For Unity
 //    this->setWindowFlags(/*Qt::Window | */Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);//Attention: Qt::WindowCloseButtonHint make showMinimized() valid
 
+    //kobe:如果不加Qt::WindowMinimizeButtonHint，则调用setFixedSize()之后，调用窗口最小化函数将会没有效果
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
     //For UKUI and Mate
-    this->setWindowFlags(Qt::FramelessWindowHint  | Qt::WindowCloseButtonHint);
+//    this->setWindowFlags(Qt::FramelessWindowHint  | Qt::WindowCloseButtonHint);
     this->setAttribute(Qt::WA_TranslucentBackground);
     this->setAutoFillBackground(true);
     this->setMouseTracking(true);