diff -Naur kylin-music-1.0.44/mainwid.cpp kylin-music-1.0.44~/mainwid.cpp
--- kylin-music-1.0.44/mainwid.cpp	2021-01-29 14:38:53.000000000 +0800
+++ kylin-music-1.0.44~/mainwid.cpp	2021-09-08 15:37:33.642743012 +0800
@@ -44,6 +44,11 @@
     }
     initStyle();//初始化样式
 
+    //hide title bar
+    Qt::WindowFlags flags = this->windowFlags();
+    flags |= Qt::FramelessWindowHint;
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::Widget);
+
     qDebug()<<"--------------------程序初始化完成--------------------";
 }
 
diff -Naur kylin-music-1.0.44/miniwidget.cpp kylin-music-1.0.44~/miniwidget.cpp
--- kylin-music-1.0.44/miniwidget.cpp	2021-01-29 14:38:53.000000000 +0800
+++ kylin-music-1.0.44~/miniwidget.cpp	2021-09-08 15:36:58.098540593 +0800
@@ -45,6 +45,11 @@
     initMyApp();    // liucong add 20201222
 
     initAction();
+
+    //hide title bar
+    Qt::WindowFlags flags = this->windowFlags();
+    flags |= Qt::FramelessWindowHint;
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::Widget);
 }
 
 void miniWidget::initAction()