diff --git a/resource.qrc b/resource.qrc
index 7c8e427..d3d7d6e 100644
--- a/resource.qrc
+++ b/resource.qrc
@@ -221,5 +221,6 @@
         <file>resource/plymouth/1.png</file>
         <file>resource/background/custom-preview.png</file>
         <file>resource/background/1-openkylin.jpg</file>
+        <file>resource/background/grub-background.png</file>
     </qresource>
 </RCC>
diff --git a/resource/background/grub-background.png b/resource/background/grub-background.png
new file mode 100644
index 0000000..c3f8cee
Binary files /dev/null and b/resource/background/grub-background.png differ
diff --git a/src/fileProcess/bridge.h b/src/fileProcess/bridge.h
index 0b07416..8fa892f 100644
--- a/src/fileProcess/bridge.h
+++ b/src/fileProcess/bridge.h
@@ -52,7 +52,7 @@ private:
     QString m_coverpath = ":/resource/background/custom-preview.png";
     QString m_plymouthpath = ":/resource/background/openKylin.svg";
     QString m_plymouthdir = ":/resource/plymouth/";
-    QString m_grubpath = ":/resource/background/1-warty-final-ubuntukylin.jpg";
+    QString m_grubpath = ":/resource/background/grub-background.png";
 //    QDir m_builderConfig;
 //    QDir m_buildericons;
 //    QDir m_builderappicon;
diff --git a/src/module/grubthemefeature.cpp b/src/module/grubthemefeature.cpp
index 234ccc9..f202f70 100644
--- a/src/module/grubthemefeature.cpp
+++ b/src/module/grubthemefeature.cpp
@@ -150,3 +150,71 @@ void GrubImageWidget::updateBackground(const QString &imagePath)
     graphicsView->resetTransform();
     graphicsView->scale(initialScale, initialScale);
 }
+
+GrubEditButton::GrubEditButton(QWidget *parent) : closeIconRect(0, 0, 0, 0)
+{
+    this->setMouseTracking(true);
+    this->setFixedSize(160,100);
+    initializeCloseIconRect();
+}
+
+void GrubEditButton::showCloseIcon()
+{
+    closeIconPixmap = QIcon::fromTheme("window-close-symbolic").pixmap(10, 10);
+    this->update();
+}
+
+void GrubEditButton::hideCloseIcon()
+{
+    closeIconPixmap = QPixmap(); // 将关闭图标的pixmap置空
+    update(); // 重新绘制以清除关闭图标
+}
+
+void GrubEditButton::initializeCloseIconRect()
+{
+    closeIconRect = QRect(width() - 15, 5, 10, 10);
+}
+
+void GrubEditButton::drawCloseIcon(QPainter &painter)
+{
+    if(!closeIconPixmap.isNull()){
+        painter.drawPixmap(closeIconRect, closeIconPixmap);
+    }
+}
+
+void GrubEditButton::paintEvent(QPaintEvent *event)
+{
+    QPushButton::paintEvent(event);
+    QPainter painter(this);
+    if (!pixmap.isNull()) {
+        painter.drawPixmap(rect(), pixmap);
+    }
+        drawCloseIcon(painter); // 调用绘制关闭图标的函数
+}
+
+void GrubEditButton::enterEvent(QEvent *event)
+{
+    QPushButton::enterEvent(event);
+    showCloseIcon(); // 在这个函数中显示“x”图标
+
+}
+
+void GrubEditButton::leaveEvent(QEvent *event)
+{
+    QPushButton::leaveEvent(event);
+    hideCloseIcon(); // 在这个函数中隐藏“x”图标
+}
+
+void GrubEditButton::mousePressEvent(QMouseEvent *event)
+{
+
+    if (closeIconRect.contains(event->pos())) {
+        emit deleteCustomPic();
+        hideCloseIcon(); // 在这个函数中隐藏“x”图标
+    } else {
+        // 处理其他点击事件
+        QPushButton::mousePressEvent(event);
+    }
+
+}
+
diff --git a/src/module/grubthemefeature.h b/src/module/grubthemefeature.h
index c8eb15e..7d6bed3 100644
--- a/src/module/grubthemefeature.h
+++ b/src/module/grubthemefeature.h
@@ -11,6 +11,7 @@
 #include <QWheelEvent>
 #include <QPainter>
 #include <QtMath>
+#include <QPushButton>
 
 class GrubGraphicsView : public QGraphicsView {
 public:
@@ -23,6 +24,30 @@ protected:
 
 };
 
+class GrubEditButton : public QPushButton {
+    Q_OBJECT
+public:
+    GrubEditButton(QWidget *parent = nullptr);
+
+    void setPixmap(const QPixmap& pixmap);
+    void showCloseIcon();
+    void hideCloseIcon();
+    void initializeCloseIconRect();
+    void drawCloseIcon(QPainter &painter);
+protected:
+    void paintEvent(QPaintEvent* event) override;
+
+    void enterEvent(QEvent *event);
+    void leaveEvent(QEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+signals:
+    void deleteCustomPic();
+private:
+    QRect closeIconRect;
+    QPixmap pixmap;
+    QPixmap closeIconPixmap;
+};
+
 class GrubImageWidget : public QWidget {
 public:
     GrubImageWidget(QWidget *parent = nullptr);
diff --git a/src/module/grubthemewidget.cpp b/src/module/grubthemewidget.cpp
index 07544dc..1eda8ec 100644
--- a/src/module/grubthemewidget.cpp
+++ b/src/module/grubthemewidget.cpp
@@ -90,15 +90,17 @@ void GrubThemeWidget::initEditWidget()
     QWidget *grubWidget = new QWidget();
     QHBoxLayout *widgetLayout = new QHBoxLayout();
 
-    m_showBtn = new QPushButton();
+    m_showBtn = new GrubEditButton();
     m_showBtn->setFixedSize(160,100);
-
+    QPixmap pixmap(resourceGrubPath);
+    m_showBtn->setIcon(QIcon(pixmap));
+    m_showBtn->setIconSize(QSize(130,80));
     QLabel *tipLabel1 = new QLabel();
     tipLabel1->setText("<html>尺寸：3840*2160<br>大小：不超过 10 MB<br>格式：PNG</html>");
 
     connect(m_showBtn, &QPushButton::clicked, this, [=]() {
         // 弹出文件选择对话框，选择图片文件
-        QString newFilePath = QFileDialog::getOpenFileName(this, tr("Select picture file"), "", tr("Picture file (*.png *.jpg)"));
+        QString newFilePath = QFileDialog::getOpenFileName(this, tr("Select picture file"), "", tr("Picture file (*.png)"));
 
         // 如果选择的文件路径不为空
         if (!newFilePath.isEmpty()) {
@@ -110,7 +112,7 @@ void GrubThemeWidget::initEditWidget()
                 QPixmap pixmap(newFilePath);
                 // 设置按钮的图标为加载的图片文件对应的图标，并设置图标大小为按钮的大小
                 m_showBtn->setIcon(QIcon(pixmap));
-                m_showBtn->setIconSize(m_showBtn->size());
+                m_showBtn->setIconSize(QSize(130,80));
                 // 发出新的Grub文件路径信号
                 emit newGrubFilePath(newFilePath);
                 g_themeChange = true;
@@ -119,6 +121,13 @@ void GrubThemeWidget::initEditWidget()
             qDebug() << "Selected file path:" << newFilePath;
         }
     });
+    connect(m_showBtn,&GrubEditButton::deleteCustomPic,this,[=](){
+        m_preview->updateBackground(resourceGrubPath);
+        QPixmap pixmap(resourceGrubPath);
+        m_showBtn->setIcon(QIcon(pixmap));
+        m_showBtn->setIconSize(QSize(130,80));
+        emit newGrubFilePath(resourceGrubPath);
+    });
 
     widgetLayout->addWidget(m_showBtn);
     widgetLayout->addWidget(tipLabel1);
@@ -131,17 +140,20 @@ void GrubThemeWidget::initEditWidget()
 
 void GrubThemeWidget::eidtInitWidget(const HistoryInfo &InfoData)
 {
-    QString imagedirpath = InfoData.filepath+"/src/grubTheme/background.jpg";
+    QString imagedirpath = InfoData.filepath+"/src/grubTheme/background.png";
+
     m_preview->updateBackground(imagedirpath);
     QPixmap pixmap(imagedirpath);
     m_showBtn->setIcon(QIcon(pixmap));
-    m_showBtn->setIconSize(m_showBtn->size());
+    m_showBtn->setIconSize(QSize(130,80));
 }
 
 void GrubThemeWidget::refresh()
 {
-    m_preview->updateBackground(":/resource/background/1-warty-final-ubuntukylin.jpg");
-    m_showBtn->setIcon(QPixmap());
+    m_preview->updateBackground(resourceGrubPath);
+    QPixmap pixmap(resourceGrubPath);
+    m_showBtn->setIcon(QIcon(pixmap));
+    m_showBtn->setIconSize(QSize(130,80));
 }
 
 void GrubThemeWidget::addspaceritem()
diff --git a/src/module/grubthemewidget.h b/src/module/grubthemewidget.h
index 6773cdc..b56f7de 100644
--- a/src/module/grubthemewidget.h
+++ b/src/module/grubthemewidget.h
@@ -26,12 +26,13 @@ public:
 signals:
     void newGrubFilePath(const QString& path);
 private:
+    const QString resourceGrubPath = ":/resource/background/grub-background.png";
     QWidget *m_previewwidget;
     GrubImageWidget *m_preview;
     QWidget *m_rightwidget;
     QWidget *m_grubwidget;
     QVBoxLayout *m_previewlayout;
-    QPushButton *m_showBtn;
+    GrubEditButton *m_showBtn;
 };
 
 #endif // GRUBTHEMEWIDGET_H
diff --git a/src/module/historywidget.cpp b/src/module/historywidget.cpp
index 980aec3..1aeef3d 100644
--- a/src/module/historywidget.cpp
+++ b/src/module/historywidget.cpp
@@ -194,12 +194,13 @@ void HistoryButton::initUI()
     QVBoxLayout* layout = new QVBoxLayout(this);
 
     QLabel* imageLabel = new QLabel;
-    imageLabel->setFixedSize(QSize(208, 137));
+    imageLabel->setAlignment(Qt::AlignCenter);
+
     layout->addWidget(imageLabel);
 
     QString imagePath = nullptr;
     if(nullptr == m_coverpath){
-        imagePath = ":/resource/background/background-light.png";
+        imagePath = ":/resource/background/custom-preview.png";
     }else{
         imagePath = m_coverpath;
     };