diff --git a/mainwindow.cpp b/mainwindow.cpp
index 634599e..ed735b8 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4,6 +4,7 @@
 
 int mplayer_pid;
 pthread_t t1,t2; //
+char current_song_path_name[128] = "";
 
 void *getTimerThreadFunc(void *arg); // 发送获取当前时间的 mplayer 命令
 void *readPipeMSG(void *arg); // 获取当前时间的线程
@@ -13,6 +14,15 @@ MainWindow::MainWindow(QWidget *parent)
     , ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+
+
+    QSize windowSize = QSize(geometry().width(), geometry().height());
+    // 设置背景图片
+    setAutoFillBackground(true);
+    QPalette pal = this->palette();
+    pal.setBrush(backgroundRole(),QPixmap(":/img/background1").scaled(windowSize, Qt::KeepAspectRatio));
+    setPalette(pal);
+
     initMainWindow(); // 初始化主界面
     mplayerInit(); // 初始化 mplayer
     kill(mplayer_pid,SIGSTOP);
@@ -36,8 +46,10 @@ void MainWindow::initMainWindow()
 {
     // 设置主窗体属性
     setWindowTitle("音乐播放器");
+    setFixedSize(1055,750);
     setWindowIcon(QIcon(":/icon/button"));
 
+
     // 设置子组件背景透明
     ui->song_list_widget->setAttribute(Qt::WA_TranslucentBackground);
     ui->label_artist->setAttribute(Qt::WA_TranslucentBackground);
@@ -52,6 +64,8 @@ void MainWindow::initMainWindow()
     ui->time_right_label->setAttribute(Qt::WA_TranslucentBackground);
     ui->time_widget->setAttribute(Qt::WA_TranslucentBackground);
 
+    // 设置按钮属性
+
     // 设置滑块属性
     ui->time_slider->setStyleSheet("QSlider::groove:horizontal { background-color: white; }"
                                    "QSlider::handle:horizontal { background-color: yellow; width: 20px;}");
diff --git a/mainwindow.ui b/mainwindow.ui
index 82c396a..554ebd7 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -14,7 +14,7 @@
    <string>MainWindow</string>
   </property>
   <property name="styleSheet">
-   <string notr="true">background-image: url(:/img/background5);</string>
+   <string notr="true">background-color: rgb(136, 138, 133);</string>
   </property>
   <widget class="QWidget" name="centralwidget">
    <widget class="QWidget" name="widget_show" native="true">