diff --git a/kybackup/component/backuplistwidget.cpp b/kybackup/component/backuplistwidget.cpp
index ffd52ea..0de710b 100755
--- a/kybackup/component/backuplistwidget.cpp
+++ b/kybackup/component/backuplistwidget.cpp
@@ -1,7 +1,6 @@
 #include "backuplistwidget.h"
 #include <QHBoxLayout>
 #include <QVBoxLayout>
-#include <QPushButton>
 #include <QMimeData>
 #include <QFileInfo>
 #include <QScrollBar>
@@ -9,6 +8,7 @@
 #include "../messageboxutils.h"
 #include "../gsettingswrapper.h"
 #include "../globalbackupinfo.h"
+#include "component/imageutil.h"
 
 #define WIDTH_ITEM 36
 
@@ -25,23 +25,21 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
     m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     m_label->setIsOriginal(true);
 
-    QPushButton *buttonDelete = new QPushButton;
-    // buttonDelete->setProperty("isWindowButton", 0x2);
-    // buttonDelete->setProperty("useIconHighlightEffect", 0x8);
-    buttonDelete->setFlat(true);
-    buttonDelete->setFixedSize(20, 20);
-    buttonDelete->setIcon(QIcon::fromTheme("window-close-symbolic"));
-    buttonDelete->setVisible(false);
+    m_buttonDelete = new QPushButton;
+    m_buttonDelete->setFlat(true);
+    m_buttonDelete->setFixedSize(20, 20);
+    m_buttonDelete->setIcon(ImageUtil::loadTheme("window-close-symbolic", ":/symbos/window-close-symbolic.png", "white", 20));
+    m_buttonDelete->setVisible(false);
 
     hlayout->addWidget(m_label);
-    hlayout->addWidget(buttonDelete);
+    hlayout->addWidget(m_buttonDelete);
     hlayout->setAlignment(Qt::AlignLeft);
 
     connect(this, &MyItemWidget::setScrollWidth, this, [=](int width) {
+        this->m_scrollWidth = width;
         int labelWidth = this->m_label->width();
-        this->m_label->setFixedWidth(labelWidth + (m_scrollWidth - width));
+        this->m_label->setFixedWidth(labelWidth + (this->m_scrollWidth - width));
         this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
-        m_scrollWidth = width;
     });
 
     connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::fontChanged, this, [=](int fontSize) {
@@ -52,19 +50,21 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
         this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
     });
 
-    connect(this, &MyItemWidget::selected, buttonDelete, [=](bool checked) {
+    connect(this, &MyItemWidget::selected, this, [=](bool checked) {
         if (checked) {
-            buttonDelete->setVisible(true);
+            this->m_buttonDelete->setVisible(true);
             this->m_label->setFixedWidth(this->width() - 12 - 20 - this->m_scrollWidth);
             this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
+            this->m_label->setStyleSheet("color:white");
         } else {
-            buttonDelete->setVisible(false);
+            this->m_buttonDelete->setVisible(false);
             this->m_label->setFixedWidth(this->width() - 7 - this->m_scrollWidth);
             this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
+            this->m_label->setStyleSheet("color:palette(windowText)");
         }
     });
 
-    connect(buttonDelete, &QPushButton::clicked, this, &MyItemWidget::deleteItem);
+    connect(m_buttonDelete, &QPushButton::clicked, this, &MyItemWidget::deleteItem);
 
     this->setLayout(hlayout);
 }
@@ -78,7 +78,8 @@ void MyItemWidget::setText(const QString& text)
 }
 
 MyItemWidget::~MyItemWidget()
-{}
+{
+}
 
 BackupListWidget::BackupListWidget(QWidget *parent /*= nullptr*/) :
     QListWidget(parent)
@@ -156,14 +157,14 @@ bool BackupListWidget::appendItem(const QString &text)
     MyItemWidget *widget = new MyItemWidget;
     this->setItemWidget(item, widget);
     this->setCurrentRow(-1);
+    // 必须将scrollToBottom等这种滚动条操作放到判断滚动条是否显示isVisible之前
+    this->scrollToBottom();
 
     connect(this, &BackupListWidget::setScrollWidth, widget, &MyItemWidget::setScrollWidth);
     // 滚动条是否展示
-    if (count * WIDTH_ITEM > this->height()) {
-        QScrollBar *vertScroll = verticalScrollBar();
-        if (vertScroll)
-            emit this->setScrollWidth(vertScroll->size().width());
-    }
+    QScrollBar *vertScroll = verticalScrollBar();
+    if (vertScroll->isVisible())
+        emit this->setScrollWidth(vertScroll->size().width());
 
     QRect rect = this->visualItemRect(item);
     widget->setBaseSize(rect.width(), rect.height());
@@ -175,12 +176,15 @@ bool BackupListWidget::appendItem(const QString &text)
         this->removeItemWidget(item);
         this->takeItem(this->row(item));
         delete item;
+        this->setCurrentRow(-1);
+        this->scrollToBottom();
         if (this->count() == 0) {
             this->m_plusLogo->setVisible(true);
             this->m_plusText->setVisible(true);
             emit this->deleteEmpty();
         } else {
-            if (this->count() * WIDTH_ITEM <= this->height())
+            QScrollBar *vertScrollBar = verticalScrollBar();
+            if (!vertScrollBar->isVisible())
                 emit this->setScrollWidth(0);
         }
     });
@@ -189,7 +193,6 @@ bool BackupListWidget::appendItem(const QString &text)
     m_plusText->setVisible(false);
     emit this->addedItem();
 
-    this->scrollToBottom();
     return true;
 }
 
diff --git a/kybackup/component/backuplistwidget.h b/kybackup/component/backuplistwidget.h
index d61899a..616980c 100755
--- a/kybackup/component/backuplistwidget.h
+++ b/kybackup/component/backuplistwidget.h
@@ -5,6 +5,7 @@
 #include <QStringList>
 #include <QDropEvent>
 #include <QLabel>
+#include <QPushButton>
 #include "mylabel.h"
 
 class MyItemWidget : public QWidget
@@ -30,6 +31,7 @@ signals:
 private:
     QString m_text;
     MyLabel *m_label;
+    QPushButton *m_buttonDelete;
     int m_scrollWidth = 0;
 };