diff --git a/common/utils.cpp b/common/utils.cpp
index 813aa69..b75b602 100755
--- a/common/utils.cpp
+++ b/common/utils.cpp
@@ -185,6 +185,18 @@ bool Utils::checkBootInfoExists()
     return true;
 }
 
+/**
+ * @brief 是否有平板模式
+ * @return bool
+ */
+bool Utils::isTablet()
+{
+    QString otaPath = Utils::m_sysRootPath + "/etc/apt/ota_version";
+    otaPath.replace("//", "/");
+
+    return QFile::exists(otaPath);
+}
+
 /**
  * @brief 获取备份分区的UUID
  * @return 备份分区的UUID
diff --git a/common/utils.h b/common/utils.h
index ff85639..f3957f2 100755
--- a/common/utils.h
+++ b/common/utils.h
@@ -72,6 +72,12 @@ public:
      */
     static bool checkBootInfoExists();
 
+    /**
+     * @brief 是否有平板模式
+     * @return bool
+     */
+    static bool isTablet();
+
     /**
      * @brief 获取备份分区的UUID
      * @return 备份分区的UUID
diff --git a/kybackup/component/backuplistwidget.cpp b/kybackup/component/backuplistwidget.cpp
index dd7bac8..98f84a9 100755
--- a/kybackup/component/backuplistwidget.cpp
+++ b/kybackup/component/backuplistwidget.cpp
@@ -12,15 +12,19 @@
 
 #define WIDTH_ITEM 36
 #define MERGE_IN 8
+#define WIDTH_SPACING 5
 
-MyItemWidget::MyItemWidget(QWidget* parent) :
-    QWidget(parent)
+MyItemWidget::MyItemWidget(QWidget* parent, QListWidgetItem *item) :
+    QWidget(parent),
+    m_item(item)
 {
+    if (parent && item)
+        item->setSizeHint(QSize(parent->width() - 5, WIDTH_ITEM));
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
 
     QHBoxLayout *hlayout = new QHBoxLayout;
     hlayout->setContentsMargins(5, 2, 2, 2);
-    hlayout->setSpacing(5);
+    hlayout->setSpacing(WIDTH_SPACING);
 
     m_label = new MyLabel;
     m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
@@ -37,6 +41,8 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
     // hlayout->setAlignment(Qt::AlignLeft);
 
     connect(this, &MyItemWidget::setScrollWidth, this, [=](int width) {
+        if (parent && this->m_item)
+            item->setSizeHint(QSize(width - 5 - this->m_scrollWidth, WIDTH_ITEM));
         int labelWidth = this->m_label->width();
         this->m_extWidth = 0;
         // 隐藏滚动条时会增加右侧边距
@@ -64,7 +70,7 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
         int labelWidth = this->m_label->width();
         if (checked) {
             this->m_buttonDelete->setVisible(true);
-            this->m_label->setFixedWidth(labelWidth - 5 - m_buttonDelete->width());
+            this->m_label->setFixedWidth(labelWidth - WIDTH_SPACING - m_buttonDelete->width());
             this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
             this->m_label->setFontColor(Qt::white);
             this->m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
@@ -73,7 +79,7 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
             this->m_checked = true;
         } else {
             this->m_buttonDelete->setVisible(false);
-            this->m_label->setFixedWidth(labelWidth + 5 + m_buttonDelete->width());
+            this->m_label->setFixedWidth(labelWidth + WIDTH_SPACING + m_buttonDelete->width());
             this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
             this->m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
             this->m_label->setStyleSheet("QLabel {color:palette(windowText)}"
@@ -82,7 +88,32 @@ MyItemWidget::MyItemWidget(QWidget* parent) :
         }
     });
 
-    connect(m_buttonDelete, &QPushButton::clicked, this, &MyItemWidget::deleteItem);
+    connect(this, &MyItemWidget::resetItemWidth, this, [=](int width) {
+        if (parent && item) {
+            QListWidget *parentWidget = qobject_cast<QListWidget *>(parent);
+            QScrollBar *vertScroll = parentWidget->verticalScrollBar();
+            int scrollWidth = 0;
+            if (vertScroll->isVisible()) {
+                scrollWidth = vertScroll->size().width();
+            }
+            this->m_scrollWidth = scrollWidth;
+            item->setSizeHint(QSize(width - 5 - this->m_scrollWidth, WIDTH_ITEM));
+        }
+        if (this->m_buttonDelete->isVisible()) {
+            this->m_label->setFixedWidth(width - WIDTH_SPACING - m_buttonDelete->width() - 7 - this->m_scrollWidth);
+            this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
+            this->m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+        } else {
+            this->m_label->setFixedWidth(width - WIDTH_SPACING - 2 - this->m_scrollWidth);
+            this->m_label->setElidedText(this->m_text, Qt::ElideLeft);
+            this->m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+        }
+    });
+
+    connect(m_buttonDelete, &QPushButton::clicked, this, [=]() {
+        this->m_item = nullptr;
+        emit deleteItem();
+    });
 
     this->setLayout(hlayout);
 }
@@ -156,6 +187,11 @@ BackupListWidget::BackupListWidget(QWidget *parent /*= nullptr*/, QHBoxLayout *p
             }
         }
     });
+
+    // 大小改变
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        emit this->resetItemWidth(this->width());
+    });
 }
 
 BackupListWidget::~BackupListWidget()
@@ -181,8 +217,7 @@ bool BackupListWidget::appendItem(const QString &text)
         ++count;
 
     QListWidgetItem *item = new QListWidgetItem(this, m_type);
-    item->setSizeHint(QSize(this->width() - 5, WIDTH_ITEM));
-    MyItemWidget *widget = new MyItemWidget;
+    MyItemWidget *widget = new MyItemWidget(this, item);
     this->setItemWidget(item, widget);
     // 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();
@@ -195,7 +230,6 @@ bool BackupListWidget::appendItem(const QString &text)
         if (m_parentLayout != nullptr)
             m_parentLayout->setContentsMargins(MERGE_IN, MERGE_IN, 0, MERGE_IN);
         scrollWidth = vertScroll->size().width();
-        item->setSizeHint(QSize(this->width() - 5 - scrollWidth, WIDTH_ITEM));
         emit this->setScrollWidth(scrollWidth);
     }
 
@@ -222,6 +256,8 @@ bool BackupListWidget::appendItem(const QString &text)
         }
     });
 
+    connect(this, &BackupListWidget::resetItemWidth, widget, &MyItemWidget::resetItemWidth);
+
     m_plusLogo->setVisible(false);
     m_plusText->setVisible(false);
     emit this->addedItem();
diff --git a/kybackup/component/backuplistwidget.h b/kybackup/component/backuplistwidget.h
index 2970524..f040f49 100755
--- a/kybackup/component/backuplistwidget.h
+++ b/kybackup/component/backuplistwidget.h
@@ -14,7 +14,7 @@ class MyItemWidget : public QWidget
 {
     Q_OBJECT
 public:
-    explicit MyItemWidget(QWidget* parent = nullptr);
+    explicit MyItemWidget(QWidget* parent = nullptr, QListWidgetItem *item = nullptr);
     virtual ~MyItemWidget();
 
     void setSize(int width, int height);
@@ -29,6 +29,7 @@ signals:
     void selected(bool checked);
     void deleteItem();
     void setScrollWidth(int width);
+    void resetItemWidth(int width);
 
 private:
     QString m_text;
@@ -37,6 +38,8 @@ private:
     int m_scrollWidth = 0;  //父窗口QListWidget的滚动条宽度
     int m_extWidth = 0; //去掉父窗口QListWidget的父窗口QFrame的右侧边距时扩展的宽度
     bool m_checked = false;
+
+    QListWidgetItem *m_item;
 };
 
 class BackupListWidget : public QListWidget
@@ -74,6 +77,7 @@ signals:
     void deleteEmpty();
     void addedItem();
     void setScrollWidth(int width);
+    void resetItemWidth(int width);
 
 private:
     bool checkPathLimit(const QString &path);
diff --git a/kybackup/component/mylabel.cpp b/kybackup/component/mylabel.cpp
index b93e101..b6a9d0b 100755
--- a/kybackup/component/mylabel.cpp
+++ b/kybackup/component/mylabel.cpp
@@ -89,6 +89,31 @@ MyLabel::MyLabel(const QString& text, QWidget* parent /*= nullptr*/, Qt::Alignme
 MyLabel::~MyLabel()
 {}
 
+void MyLabel::setMaxLenText()
+{
+    QFontMetrics fontMetrics(this->font());
+    int fontSize = fontMetrics.width(this->m_text);
+    if (this->m_maxWidth > 0 && fontSize >= this->m_maxWidth) {
+        this->setFixedWidth(this->m_maxWidth);
+        this->setWordWrap(true);
+    } else {
+        this->setFixedWidth(fontSize);
+    }
+    this->setText(this->m_text);
+}
+
+/**
+ * @brief 设置显示文本，根据字体自动设置控件宽度，并限制最大宽度；超过长度换行展示；
+ * @param text
+ * @param length 最大宽度
+ */
+void MyLabel::setMaxLenText(const QString& text, int width)
+{
+    m_text = text;
+    m_maxWidth = width;
+    setMaxLenText();
+}
+
 /**
  * @brief 如果文本超长则显示省略号，不超长正常显示
  * @param text
diff --git a/kybackup/component/mylabel.h b/kybackup/component/mylabel.h
index e7836d1..ba96943 100755
--- a/kybackup/component/mylabel.h
+++ b/kybackup/component/mylabel.h
@@ -16,6 +16,7 @@ public:
     const QString & getOriginalText() const { return m_text; }
     void setDeplayText(const QString& text) { m_text = text; this->setText(text);}
     void setElidedText(const QString& text, Qt::TextElideMode mode = Qt::ElideRight);
+    void setMaxLenText(const QString& text, int width);
     void setFontColor(QColor color);
     void setFontSize(int size);
     void setFontWordWrap(bool on);
@@ -25,13 +26,16 @@ protected:
     // 主要因为字体变化而重绘，故暂不重写paintEvent，改为在构造方法中监控主题的字体（家族和大小）变化
 //     void paintEvent(QPaintEvent *event);
 
+private:
+    void setMaxLenText();
+
 private:
     QString m_text;
     bool m_bWordWrap = false;
     int m_width = 0;
     int m_height = 0;
+    int m_maxWidth = 0;
     bool m_isOriginal = false;
-    bool m_needResize = false;
     QRect m_rect;
     QColor m_fontColor;
 
diff --git a/kybackup/globalsignals.h b/kybackup/globalsignals.h
index 1857131..a76f65e 100755
--- a/kybackup/globalsignals.h
+++ b/kybackup/globalsignals.h
@@ -28,6 +28,9 @@ signals:
 
     // 强调色变化
     void themeColorChanged();
+
+    // 控件宽度发生变化
+    void widthChanged();
 };
 
 #endif // GLOBALSIGNALS_H
diff --git a/kybackup/gsettingswrapper.cpp b/kybackup/gsettingswrapper.cpp
index ac805e6..cb9ae73 100755
--- a/kybackup/gsettingswrapper.cpp
+++ b/kybackup/gsettingswrapper.cpp
@@ -43,6 +43,7 @@ GSettingsWrapper::GSettingsWrapper(token)
                 // 字体大小或字体类型发生变化
                 int fontSize = m_pGsettingThemeData->get("system-font-size").toInt();
                 emit GlobelBackupInfo::inst().getGlobalSignals()->fontChanged(fontSize);
+                emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
             } else if (key == COLOR_QT_KEY) {
                 // 强调色变化
                 emit GlobelBackupInfo::inst().getGlobalSignals()->themeColorChanged();
diff --git a/kybackup/maindialog.cpp b/kybackup/maindialog.cpp
index 4232250..8f5292a 100755
--- a/kybackup/maindialog.cpp
+++ b/kybackup/maindialog.cpp
@@ -71,29 +71,34 @@ void MainDialog::initUI()
     m_totalHLayout->setSpacing(0);
     ui->centralwidget->setLayout(m_totalHLayout);
 
+    // 左栏窗口
     if (GlobelBackupInfo::inst().isManager())
         m_leftSiderBarWidget = new LeftsiderbarWidget(ui->centralwidget);
     else
         m_leftSiderBarWidget = new LeftsiderbarWidget(ui->centralwidget, LeftsiderbarWidget::StartMode::std_user);
     m_leftSiderBarWidget->setObjectName(QString::fromUtf8("m_leftSiderBarWidget"));
-    m_leftSiderBarWidget->setFixedSize(200, 640);
+    m_leftSiderBarWidget->setFixedWidth(200);
+    //m_leftSiderBarWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
     m_leftSiderBarWidget->initUi();
 
     m_totalHLayout->addWidget(m_leftSiderBarWidget);
 
+    // 右侧窗口
     m_rightWidget = new MyWidget;
+    //m_rightWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     m_rightVLayout = new QVBoxLayout;
     m_rightVLayout->setObjectName(QString::fromUtf8("m_rightVLayout"));
     m_rightVLayout->setContentsMargins(0, 0, 0, 0);
     m_rightVLayout->setSpacing(0);
 
+    // 右侧窗口：标题栏
     m_titleWidget = new QWidget;
     m_titleWidget->setObjectName(QString::fromUtf8("m_titleWidget"));
-    m_titleWidget->setFixedSize(760, 40);
+    m_titleWidget->setFixedHeight(40);
     m_rightVLayout->addWidget(m_titleWidget);
-    m_rightVLayout->addStretch();
 
+    // 右侧窗口：工作区
     if (GlobelBackupInfo::inst().isManager() && GlobelBackupInfo::inst().hasArgRestore())
         selected(FuncTypeConverter::FunType::RESTORE_SYSTEM);
     else if (!GlobelBackupInfo::inst().isManager()  && GlobelBackupInfo::inst().hasArgRestore())
@@ -105,7 +110,6 @@ void MainDialog::initUI()
 
     m_rightWidget->setLayout(m_rightVLayout);
     m_totalHLayout->addWidget(m_rightWidget);
-    m_totalHLayout->addStretch();
 
     initTileBar();
 }
@@ -114,14 +118,16 @@ void MainDialog::initTileBar()
 {
     m_titleLayout = new QHBoxLayout;
     m_titleLayout->setContentsMargins(8, 4, 4, 0);
-    m_titleLayout->setSpacing(0);
+    m_titleLayout->setSpacing(4);
 
     m_menuOptionBtn  = new QToolButton;
     m_minBtn      = new QPushButton;
+    m_maxBtn      = new QPushButton;
     m_closeBtn    = new QPushButton;
 
     m_menuOptionBtn->setToolTip(tr("Main menu"));
     m_minBtn->setToolTip(tr("Minimize"));
+    m_maxBtn->setToolTip(tr("Maximize"));
     m_closeBtn->setToolTip(tr("Close"));
 
     m_menuOptionBtn->setProperty("isWindowButton", 0x1);
@@ -130,21 +136,24 @@ void MainDialog::initTileBar()
     m_menuOptionBtn->setFixedSize(30, 30);
     m_menuOptionBtn->setAutoRaise(true);
     m_menuOptionBtn->setPopupMode(QToolButton::InstantPopup);
-    // m_menuOptionBtn->setProperty("setIconHighlightEffectDefaultColor", m_closeBtn->palette().color(QPalette::Active, QPalette::Base));
 
     m_minBtn->setProperty("isWindowButton", 0x1);
     m_minBtn->setProperty("useIconHighlightEffect", 0x2);
     m_minBtn->setFixedSize(30, 30);
     m_minBtn->setFlat(true);
     m_minBtn->setIcon(QIcon::fromTheme("window-minimize-symbolic"));
-    // m_minBtn->setProperty("setIconHighlightEffectDefaultColor", m_closeBtn->palette().color(QPalette::Active, QPalette::Base));
+
+    m_maxBtn->setProperty("isWindowButton", 0x1);
+    m_maxBtn->setProperty("useIconHighlightEffect", 0x2);
+    m_maxBtn->setFixedSize(30, 30);
+    m_maxBtn->setFlat(true);
+    m_maxBtn->setIcon(QIcon::fromTheme("window-maximize-symbolic"));
 
     m_closeBtn->setProperty("isWindowButton", 0x2);
     m_closeBtn->setProperty("useIconHighlightEffect", 0x8);
     m_closeBtn->setFixedSize(30, 30);
     m_closeBtn->setFlat(true);
     m_closeBtn->setIcon(QIcon::fromTheme("window-close-symbolic"));
-    // m_closeBtn->setProperty("setIconHighlightEffectDefaultColor",  m_closeBtn->palette().color(QPalette::Active, QPalette::Base));
 
     QMenu* backupMain = new QMenu(m_titleWidget);
     backupMain->setObjectName("mainMenu");
@@ -173,9 +182,8 @@ void MainDialog::initTileBar()
 
     m_titleLayout->addStretch();
     m_titleLayout->addWidget(m_menuOptionBtn);
-    m_titleLayout->addSpacing(4);
     m_titleLayout->addWidget(m_minBtn);
-    m_titleLayout->addSpacing(4);
+    m_titleLayout->addWidget(m_maxBtn);
     m_titleLayout->addWidget(m_closeBtn);
     m_titleWidget->setLayout(m_titleLayout);
 }
@@ -204,6 +212,17 @@ void MainDialog::initConnect()
     //最小化按钮
     connect(m_minBtn, &QPushButton::clicked, this, &MainDialog::showMinimized);
 
+    //最大化按钮
+    connect(m_maxBtn, &QPushButton::clicked, this, [=] {
+        if (isMaximized()) {
+            showNormal();
+            m_maxBtn->setIcon(QIcon::fromTheme("window-maximize-symbolic"));
+        } else {
+            showMaximized();
+            m_maxBtn->setIcon(QIcon::fromTheme("window-restore-symbolic"));
+        }
+    });
+
     //关闭按钮
     connect(m_closeBtn, &QPushButton::clicked, this, &MainDialog::closeBtn);
 }
@@ -254,7 +273,7 @@ void MainDialog::selected(int func_type)
     }
 
     m_stackedWidget->setObjectName(QString::fromUtf8("m_stackedWidget"));
-    m_stackedWidget->setFixedSize(760, 600);
+    // m_stackedWidget->setMinimumSize(760, 600);
     m_rightVLayout->addWidget(m_stackedWidget);
 
     m_leftSiderBarWidget->setCheckedFunc(func_type);
@@ -333,6 +352,11 @@ void MainDialog::closeEvent(QCloseEvent *e)
     e->accept();
 }
 
+void MainDialog::resizeEvent(QResizeEvent *event) {
+    emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    QMainWindow::resizeEvent(event);
+}
+
 void MainDialog::closeBtn()
 {
     if (this->close()) {
diff --git a/kybackup/maindialog.h b/kybackup/maindialog.h
index 2bcb8fe..f3b42a2 100755
--- a/kybackup/maindialog.h
+++ b/kybackup/maindialog.h
@@ -23,6 +23,9 @@ public:
 
     void closeEvent(QCloseEvent *e);
 
+protected:
+    void resizeEvent(QResizeEvent *event);
+
 public slots:
     void sltMessageReceived(const QString &msg);
     void closeBtn();
@@ -48,6 +51,7 @@ private:
     QHBoxLayout *m_titleLayout = nullptr;
     QToolButton *m_menuOptionBtn = nullptr;
     QPushButton *m_minBtn = nullptr;
+    QPushButton *m_maxBtn = nullptr;
     QPushButton *m_closeBtn = nullptr;
 
     QAction *m_backupHelp = nullptr;
diff --git a/kybackup/maindialog.ui b/kybackup/maindialog.ui
index b22059b..140d493 100755
--- a/kybackup/maindialog.ui
+++ b/kybackup/maindialog.ui
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
@@ -24,8 +24,8 @@
   </property>
   <property name="maximumSize">
    <size>
-    <width>960</width>
-    <height>640</height>
+    <width>16777215</width>
+    <height>16777215</height>
    </size>
   </property>
   <property name="windowTitle">
diff --git a/kybackup/module/databackup.cpp b/kybackup/module/databackup.cpp
index 7486636..c70238e 100755
--- a/kybackup/module/databackup.cpp
+++ b/kybackup/module/databackup.cpp
@@ -32,6 +32,11 @@
 
 using namespace kdk;
 
+// bigTitle控件前面的宽度：24+spacing
+#define LEN_TITLE_PRE 50
+// labelCheck1、labelCheck2控件前面的宽度：10+6+5
+#define LEN_DOT_PRE 50
+
 DataBackup::DataBackup(QWidget *parent /*= nullptr*/) :
     QStackedWidget(parent),
     m_udector(new UdiskDetector()),
@@ -65,15 +70,25 @@ DataBackup::~DataBackup()
 void DataBackup::initFirstWidget()
 {
     QWidget *first = new QWidget;
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->addStretch();
 
+    // 中部布局包含一个独立的窗口，用于大小变化时局部相对不变
+    QWidget *center = new QWidget;
+    center->setFixedSize(760, 540);
+    QHBoxLayout *centerHBoxLayout = new QHBoxLayout;
+    centerHBoxLayout->addStretch();
+    centerHBoxLayout->addWidget(center);
+    centerHBoxLayout->addStretch();
+    vLayout->addLayout(centerHBoxLayout);
     // 图片
-    PixmapLabel *imageBackup_firstPage = new PixmapLabel(first);
+    PixmapLabel *imageBackup_firstPage = new PixmapLabel(center);
     imageBackup_firstPage->setGeometry(421, 120, 300, 326);
     imageBackup_firstPage->setScaledContents(true);
     imageBackup_firstPage->setLightAndDarkPixmap(":/images/data_backup.png", ":/images/data_backup_dark.png");
 
     // 系统备份大字提示
-    MyLabel *labelBackup_firstPage = new MyLabel(first);
+    MyLabel *labelBackup_firstPage = new MyLabel(center);
     labelBackup_firstPage->setDeplayText(tr("Data Backup"));
     labelBackup_firstPage->setFixedWidth(500);
     labelBackup_firstPage->setFixedHeight(48);
@@ -90,7 +105,7 @@ void DataBackup::initFirstWidget()
     labelBackup_firstPage->adjustSize();
 
     // 数据备份说明
-    MyLabel *labelNote_firstPage = new MyLabel(first);
+    MyLabel *labelNote_firstPage = new MyLabel(center);
     labelNote_firstPage->setFixedWidth(700);
     labelNote_firstPage->setFixedHeight(24);
     labelNote_firstPage->move(41, 180);
@@ -105,35 +120,35 @@ void DataBackup::initFirstWidget()
     labelNote_firstPage->adjustSize();
 
     // 多点还原
-    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(center);
     iconMultiBackup_firstPage->setGeometry(41, 244, 210, 36);
     iconMultiBackup_firstPage->setThemeIcon("ukui-multipoint-symbolic", ":/symbos/ukui-multipoint-symbolic");
     iconMultiBackup_firstPage->setDesplayText(tr("Multi-Spot"));
     iconMultiBackup_firstPage->setEnabled(false);
 
     // 安全
-    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(center);
     iconSecurity_firstPage->setGeometry(231, 244, 180, 36);
     iconSecurity_firstPage->setThemeIcon("ukui-bf-security-symbolic", ":/symbos/ukui-bf-security-symbolic");
     iconSecurity_firstPage->setDesplayText(tr("Security"));
     iconSecurity_firstPage->setEnabled(false);
 
     // 防止数据丢失
-    MyIconLabel *iconDataLoss_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconDataLoss_firstPage = new MyIconLabel(center);
     iconDataLoss_firstPage->setGeometry(41, 296, 210, 36);
     iconDataLoss_firstPage->setThemeIcon("ukui-bf-dataloss-symbolic", ":/symbos/ukui-bf-dataloss-symbolic");
     iconDataLoss_firstPage->setDesplayText(tr("Protect Data"));
     iconDataLoss_firstPage->setEnabled(false);
 
     // 方便快捷
-    MyIconLabel *iconSimple_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage = new MyIconLabel(center);
     iconSimple_firstPage->setGeometry(231, 296, 180, 36);
     iconSimple_firstPage->setThemeIcon("ukui-bf-fast-symbolic", ":/symbos/ukui-bf-fast-symbolic");
     iconSimple_firstPage->setDesplayText(tr("Convenient"));
     iconSimple_firstPage->setEnabled(false);
 
     // 开始备份按钮
-    MyPushButton *beginBackup = new MyPushButton(first);
+    MyPushButton *beginBackup = new MyPushButton(center);
     beginBackup->setGeometry(41, 372, 180, 52);
     beginBackup->setText(tr("Start Backup"));
     beginBackup->setEnabled(true);
@@ -152,8 +167,8 @@ void DataBackup::initFirstWidget()
     });
 
     // 增量备份按钮
-    KBorderButton *incrementBackup = new KBorderButton(first);
-    // MyPushButton *incrementBackup = new MyPushButton(first);
+    KBorderButton *incrementBackup = new KBorderButton(center);
+    // MyPushButton *incrementBackup = new MyPushButton(center);
     incrementBackup->setFixedHeight(52);
     incrementBackup->move(241, 372);
     incrementBackup->setText(tr("Update Backup"));
@@ -209,11 +224,10 @@ void DataBackup::initFirstWidget()
     bottomHBoxLayout->addSpacing(20);
     bottomHBoxLayout->setAlignment(Qt::AlignRight);
 
-    QVBoxLayout *bottomVBoxLayout = new QVBoxLayout;
-    bottomVBoxLayout->addStretch();
-    bottomVBoxLayout->addLayout(bottomHBoxLayout);
-    bottomVBoxLayout->addSpacing(20);
-    first->setLayout(bottomVBoxLayout);
+    vLayout->addStretch();
+    vLayout->addLayout(bottomHBoxLayout);
+    vLayout->addSpacing(20);
+    first->setLayout(vLayout);
 
     connect(backupPointManage, &MyPushButton::clicked, this, [=]() {
         ManageBackupPointList backupManager(first, ManageBackupPointList::DATA);
@@ -924,7 +938,6 @@ void DataBackup::initThirdWidget()
 
     QHBoxLayout *hlayout = new QHBoxLayout;
     hlayout->addStretch();
-    hlayout->addSpacing(80);
     QWidget *centerFont = new QWidget(third);
     centerFont->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     QVBoxLayout *vlayoutCenterFont = new QVBoxLayout;
@@ -1032,7 +1045,6 @@ void DataBackup::initThirdWidget()
 
     centerFont->setLayout(vlayoutCenterFont);
     hlayout->addWidget(centerFont);
-    hlayout->addSpacing(80);
     hlayout->addStretch();
     hlayout->setAlignment(Qt::AlignCenter);
     vlayout->addLayout(hlayout);
@@ -1067,6 +1079,7 @@ void DataBackup::initThirdWidget()
         recheck->setVisible(false);
 
         this->on_checkEnv_start();
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
     });
 
     // 检测结果
@@ -1118,6 +1131,39 @@ void DataBackup::initThirdWidget()
         }
 
         preStep->setVisible(true);
+
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelCheck1的宽度
+        int len_labelCheck1 = 0;
+        if (labelCheck1->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck1->font());
+            len_labelCheck1 = fontMetrics.width(labelCheck1->getOriginalText());
+            len_labelCheck1 += LEN_DOT_PRE;
+        }
+        // 控件labelCheck2的宽度
+        int len_labelCheck2 = 0;
+        if (labelCheck2->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck2->font());
+            len_labelCheck2 = fontMetrics.width(labelCheck2->getOriginalText());
+            len_labelCheck2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelCheck1 ? len_title : len_labelCheck1;
+        len_max = len_max > len_labelCheck2 ? len_max : len_labelCheck2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     addWidget(third);
@@ -1281,9 +1327,10 @@ void DataBackup::initForthWidget()
     QHBoxLayout *hlayoutCenterLine1 = new QHBoxLayout;
     // 备份名称
     MyLabel *labelBackupName = new MyLabel(forth);
-    labelBackupName->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
-    labelBackupName->setAlignment(Qt::AlignRight | Qt::AlignHCenter);
     labelBackupName->setDeplayText(tr("Backup Name"));
+    QFontMetrics fontMetrics(labelBackupName->font());
+    int fontSize = fontMetrics.width(labelBackupName->getOriginalText());
+    labelBackupName->setFixedWidth(fontSize);
     MyLineEdit *editBackupName = new MyLineEdit(forth);
     editBackupName->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     editBackupName->setMinimumWidth(350);
@@ -1303,13 +1350,11 @@ void DataBackup::initForthWidget()
     hlayoutCenterLine1->addStretch();
     hlayoutCenterLine1->addWidget(labelBackupName);
     hlayoutCenterLine1->addWidget(editBackupName);
-    hlayoutCenterLine1->addSpacing(40);
     hlayoutCenterLine1->addStretch();
     hlayoutCenterLine1->setAlignment(Qt::AlignCenter);
     vlayout->addLayout(hlayoutCenterLine1);
 
     // 中部第二行
-//    QHBoxLayout *hlayoutCenterLine2 = new QHBoxLayout;
     // 备份名称错误提示
     MyLabel *labelError = new MyLabel(forth);
     labelError->setFixedSize(editBackupName->size());
@@ -1318,13 +1363,14 @@ void DataBackup::initForthWidget()
     labelError->setVisible(false);
     labelError->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
 
-//    hlayoutCenterLine2->addStretch();
-//    hlayoutCenterLine2->addSpacing(labelBackupName->width() + 10); // 和上一行对齐
-//    hlayoutCenterLine2->addWidget(labelError);
-//    hlayoutCenterLine2->addSpacing(40);
-//    hlayoutCenterLine2->addStretch();
-//    hlayoutCenterLine2->setAlignment(Qt::AlignCenter);
-//    vlayout->addLayout(hlayoutCenterLine2);
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=]{
+        QFontMetrics fontMetrics(labelBackupName->font());
+        int fontSize = fontMetrics.width(labelBackupName->getOriginalText());
+        labelBackupName->setFixedWidth(fontSize);
+
+        if (labelError->isVisible())
+            labelError->move(editBackupName->geometry().left(), editBackupName->geometry().bottom() + 10);
+    });
 
     connect(validator, &InputValidator::checked, this, [=](bool valid, QString in, int pos, QChar c) {
         if (in.isEmpty())
@@ -1391,9 +1437,9 @@ void DataBackup::initForthWidget()
     nextStep->setProperty("isImportant", true);
     connect(nextStep, &MyPushButton::clicked, this, [=](bool checked) {
         Q_UNUSED(checked)
-        if (labelError->isVisible()) {
+        /*if (labelError->isVisible()) {
             editBackupName->setFocus();
-        } else {
+        } else*/ {
             QString backupName = editBackupName->text();
             if (backupName.isEmpty()) {
                 backupName = editBackupName->placeholderText();
@@ -1922,9 +1968,6 @@ void DataBackup::initLastWidget()
             resultLogo->setVisible(true);
             // 备份成功
             bigTitle->setDeplayText(tr("The backup is successful"));
-            QFontMetrics fontMetrics(bigTitle->font());
-            int fontSize = fontMetrics.width(bigTitle->getOriginalText());
-            bigTitle->setFixedWidth(fontSize);
             hlayoutCenterFont1->setAlignment(Qt::AlignCenter);
 
             dot1->setVisible(false);
@@ -1951,6 +1994,38 @@ void DataBackup::initLastWidget()
 
             homePage->setVisible(true);
         }
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelError1->isVisible()) {
+            QFontMetrics fontMetrics(labelError1->font());
+            len_labelError1 = fontMetrics.width(labelError1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelError2->isVisible()) {
+            QFontMetrics fontMetrics(labelError2->font());
+            len_labelError2 = fontMetrics.width(labelError2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 再试一次
diff --git a/kybackup/module/datarestore.cpp b/kybackup/module/datarestore.cpp
index bab0a90..ff0476b 100755
--- a/kybackup/module/datarestore.cpp
+++ b/kybackup/module/datarestore.cpp
@@ -25,6 +25,10 @@
 #include "kborderbutton.h"
 
 using namespace kdk;
+// bigTitle控件前面的宽度：24+spacing
+#define LEN_TITLE_PRE 50
+// labelCheck1、labelCheck2控件前面的宽度：10+6+5
+#define LEN_DOT_PRE 50
 
 DataRestore::DataRestore(QWidget *parent) :
     QStackedWidget(parent)
@@ -50,15 +54,28 @@ DataRestore::~DataRestore()
 void DataRestore::initFirstWidget()
 {
     QWidget *first = new QWidget;
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->addStretch();
 
+    // 中部布局包含一个独立的窗口，用于大小变化时局部相对不变
+    QWidget *center = new QWidget;
+    center->setFixedSize(760, 540);
+    QHBoxLayout *centerHBoxLayout = new QHBoxLayout;
+    centerHBoxLayout->addStretch();
+    centerHBoxLayout->addWidget(center);
+    centerHBoxLayout->addStretch();
+    vLayout->addLayout(centerHBoxLayout);
+    vLayout->addStretch();
+    vLayout->addSpacing(60);
+    first->setLayout(vLayout);
     // 图片
-    PixmapLabel *imageRestore_firstPage = new PixmapLabel(first);
+    PixmapLabel *imageRestore_firstPage = new PixmapLabel(center);
     imageRestore_firstPage->setGeometry(421, 120, 300, 326);
     imageRestore_firstPage->setScaledContents(true);
     imageRestore_firstPage->setLightAndDarkPixmap(":/images/data_restore.png", ":/images/data_restore_dark.png");
 
     // 数据还原大字提示
-    MyLabel *labelRestore_firstPage = new MyLabel(first);
+    MyLabel *labelRestore_firstPage = new MyLabel(center);
     labelRestore_firstPage->setDeplayText(tr("Data Restore"));
     labelRestore_firstPage->setFixedWidth(500);
     labelRestore_firstPage->setFixedHeight(48);
@@ -72,7 +89,7 @@ void DataRestore::initFirstWidget()
     labelRestore_firstPage->adjustSize();
 
     // 数据还原说明
-    MyLabel *labelNote_firstPage = new MyLabel(first);
+    MyLabel *labelNote_firstPage = new MyLabel(center);
     labelNote_firstPage->setFixedWidth(700);
     labelNote_firstPage->setFixedHeight(24);
     labelNote_firstPage->move(41, 180);
@@ -85,35 +102,35 @@ void DataRestore::initFirstWidget()
     labelNote_firstPage->adjustSize();
 
     // 快速恢复
-    MyIconLabel *iconSimple_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage = new MyIconLabel(center);
     iconSimple_firstPage->setGeometry(41, 244, 210, 36);
     iconSimple_firstPage->setThemeIcon("object-rotate-left-symbolic", ":/symbos/object-rotate-left-symbolic");
     iconSimple_firstPage->setDesplayText(tr("Fast Recovery"));
     iconSimple_firstPage->setEnabled(false);
 
     // 安全可靠
-    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(center);
     iconSecurity_firstPage->setGeometry(231, 244, 180, 36);
     iconSecurity_firstPage->setThemeIcon("ukui-bf-security-symbolic", ":/symbos/ukui-bf-security-symbolic");
     iconSecurity_firstPage->setDesplayText(tr("Security"));
     iconSecurity_firstPage->setEnabled(false);
 
     // 防止数据丢失
-    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(center);
     iconMultiBackup_firstPage->setGeometry(41, 296, 210, 36);
     iconMultiBackup_firstPage->setThemeIcon("ukui-bf-dataloss-symbolic", ":/symbos/ukui-bf-dataloss-symbolic");
     iconMultiBackup_firstPage->setDesplayText(tr("Protect Data"));
     iconMultiBackup_firstPage->setEnabled(false);
 
     // 自主操作
-    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(center);
     iconSmallSize_firstPage->setGeometry(231, 296, 180, 36);
     iconSmallSize_firstPage->setThemeIcon("ukui-self-help-symbolic", ":/symbos/ukui-self-help-symbolic");
     iconSmallSize_firstPage->setDesplayText(tr("Independent"));
     iconSmallSize_firstPage->setEnabled(false);
 
     // 开始还原按钮
-    MyPushButton *beginRestore = new MyPushButton(first);
+    MyPushButton *beginRestore = new MyPushButton(center);
     beginRestore->setGeometry(41, 372, 180, 52);
     beginRestore->setText(tr("Start Restore"));
     beginRestore->setEnabled(true);
@@ -400,6 +417,7 @@ void DataRestore::initSecondWidget()
         recheck->setVisible(false);
 
         this->on_checkEnv_start();
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
     });
 
     // 检测结果
@@ -451,6 +469,38 @@ void DataRestore::initSecondWidget()
         }
 
         preStep->setVisible(true);
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelCheck1的宽度
+        int len_labelCheck1 = 0;
+        if (labelCheck1->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck1->font());
+            len_labelCheck1 = fontMetrics.width(labelCheck1->getOriginalText());
+            len_labelCheck1 += LEN_DOT_PRE;
+        }
+        // 控件labelCheck2的宽度
+        int len_labelCheck2 = 0;
+        if (labelCheck2->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck2->font());
+            len_labelCheck2 = fontMetrics.width(labelCheck2->getOriginalText());
+            len_labelCheck2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelCheck1 ? len_title : len_labelCheck1;
+        len_max = len_max > len_labelCheck2 ? len_max : len_labelCheck2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 重新检查
@@ -968,6 +1018,38 @@ void DataRestore::initLastWidget()
             reboot->setVisible(false);
             hlayoutCenterFont1->setAlignment(Qt::AlignLeft);
         }
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelError1->isVisible()) {
+            QFontMetrics fontMetrics(labelError1->font());
+            len_labelError1 = fontMetrics.width(labelError1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelError2->isVisible()) {
+            QFontMetrics fontMetrics(labelError2->font());
+            len_labelError2 = fontMetrics.width(labelError2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 再试一次
diff --git a/kybackup/module/ghostimage.cpp b/kybackup/module/ghostimage.cpp
index e2a78b0..0ce624d 100755
--- a/kybackup/module/ghostimage.cpp
+++ b/kybackup/module/ghostimage.cpp
@@ -26,6 +26,10 @@
 #include "kborderbutton.h"
 
 using namespace kdk;
+// bigTitle控件前面的宽度：24+spacing
+#define LEN_TITLE_PRE 50
+// labelCheck1、labelCheck2控件前面的宽度：10+6+5
+#define LEN_DOT_PRE 50
 
 GhostImage::GhostImage(QWidget *parent) :
     QStackedWidget(parent),
@@ -59,15 +63,28 @@ GhostImage::~GhostImage()
 void GhostImage::initFirstWidget()
 {
     QWidget *first = new QWidget;
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->addStretch();
 
+    // 中部布局包含一个独立的窗口，用于大小变化时局部相对不变
+    QWidget *center = new QWidget;
+    center->setFixedSize(760, 540);
+    QHBoxLayout *centerHBoxLayout = new QHBoxLayout;
+    centerHBoxLayout->addStretch();
+    centerHBoxLayout->addWidget(center);
+    centerHBoxLayout->addStretch();
+    vLayout->addLayout(centerHBoxLayout);
+    vLayout->addStretch();
+    vLayout->addSpacing(60);
+    first->setLayout(vLayout);
     // 图片
-    PixmapLabel *imageGhost_firstPage = new PixmapLabel(first);
+    PixmapLabel *imageGhost_firstPage = new PixmapLabel(center);
     imageGhost_firstPage->setGeometry(421, 120, 300, 326);
     imageGhost_firstPage->setScaledContents(true);
     imageGhost_firstPage->setLightAndDarkPixmap(":/images/ghost_image.png", ":/images/ghost_image_dark.png");
 
     // Ghost Image大字提示
-    MyLabel *labelGhost_firstPage = new MyLabel(first);
+    MyLabel *labelGhost_firstPage = new MyLabel(center);
     labelGhost_firstPage->setDeplayText(tr("Ghost Image"));
     labelGhost_firstPage->setFixedWidth(500);
     labelGhost_firstPage->setFixedHeight(48);
@@ -84,7 +101,7 @@ void GhostImage::initFirstWidget()
     labelGhost_firstPage->adjustSize();
 
     // Ghost说明
-    MyLabel *labelNote_firstPage = new MyLabel(first);
+    MyLabel *labelNote_firstPage = new MyLabel(center);
     labelNote_firstPage->setFixedWidth(700);
     labelNote_firstPage->setFixedHeight(24);
     labelNote_firstPage->move(41, 180);
@@ -97,35 +114,35 @@ void GhostImage::initFirstWidget()
     labelNote_firstPage->adjustSize();
 
     // 操作简单
-    MyIconLabel *iconSimple_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage = new MyIconLabel(center);
     iconSimple_firstPage->setGeometry(41, 244, 180, 36);
     iconSimple_firstPage->setThemeIcon("ukui-bf-simple-symbolic", ":/symbos/ukui-bf-simple-symbolic");
     iconSimple_firstPage->setDesplayText(tr("Simple"));
     iconSimple_firstPage->setEnabled(false);
 
     // 快速
-    MyIconLabel *iconFast_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconFast_firstPage = new MyIconLabel(center);
     iconFast_firstPage->setGeometry(206, 244, 180, 36);
     iconFast_firstPage->setThemeIcon("ukui-bf-fast-symbolic", ":/symbos/ukui-bf-fast-symbolic");
     iconFast_firstPage->setDesplayText(tr("Fast"));
     iconFast_firstPage->setEnabled(false);
 
     // 安全
-    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(center);
     iconSecurity_firstPage->setGeometry(41, 296, 180, 36);
     iconSecurity_firstPage->setThemeIcon("ukui-bf-security-symbolic", ":/symbos/ukui-bf-security-symbolic");
     iconSecurity_firstPage->setDesplayText(tr("Security"));
     iconSecurity_firstPage->setEnabled(false);
 
     // 节省时间
-    MyIconLabel *iconSimple_firstPage1 = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage1 = new MyIconLabel(center);
     iconSimple_firstPage1->setGeometry(206, 296, 180, 36);
     iconSimple_firstPage1->setThemeIcon("document-open-recent-symbolic", ":/symbos/document-open-recent-symbolic");
     iconSimple_firstPage1->setDesplayText(tr("Timesaving"));
     iconSimple_firstPage1->setEnabled(false);
 
     // 制作镜像按钮
-    MyPushButton *beginBackup = new MyPushButton(first);
+    MyPushButton *beginBackup = new MyPushButton(center);
     beginBackup->setGeometry(41, 372, 180, 52);
     beginBackup->setText(tr("Start Ghost"));
     beginBackup->setEnabled(true);
@@ -462,6 +479,7 @@ void GhostImage::initThirdWidget()
         recheck->setVisible(false);
 
         this->on_checkEnv_start();
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
     });
 
     // 检测结果
@@ -513,6 +531,38 @@ void GhostImage::initThirdWidget()
         }
 
         preStep->setVisible(true);
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelCheck1->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck1->font());
+            len_labelError1 = fontMetrics.width(labelCheck1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelCheck2->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck2->font());
+            len_labelError2 = fontMetrics.width(labelCheck2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 重新检查
@@ -1169,6 +1219,38 @@ void GhostImage::initLastWidget()
             retry->setVisible(true);
             homePage->setVisible(true);
         }
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelError1->isVisible()) {
+            QFontMetrics fontMetrics(labelError1->font());
+            len_labelError1 = fontMetrics.width(labelError1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelError2->isVisible()) {
+            QFontMetrics fontMetrics(labelError2->font());
+            len_labelError2 = fontMetrics.width(labelError2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 再试一次
diff --git a/kybackup/module/systembackup.cpp b/kybackup/module/systembackup.cpp
index e9f3e17..0f7718b 100755
--- a/kybackup/module/systembackup.cpp
+++ b/kybackup/module/systembackup.cpp
@@ -28,6 +28,10 @@
 #include "kborderbutton.h"
 
 using namespace kdk;
+// bigTitle控件前面的宽度：24+spacing
+#define LEN_TITLE_PRE 50
+// labelCheck1、labelCheck2控件前面的宽度：10+6+5
+#define LEN_DOT_PRE 50
 
 SystemBackup::SystemBackup(QWidget *parent /*= nullptr*/) :
     QStackedWidget(parent),
@@ -61,15 +65,25 @@ SystemBackup::~SystemBackup()
 void SystemBackup::initFirstWidget()
 {
     QWidget *first = new QWidget;
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->addStretch();
 
+    // 中部布局包含一个独立的窗口，用于大小变化时局部相对不变
+    QWidget *center = new QWidget;
+    center->setFixedSize(760, 540);
+    QHBoxLayout *centerHBoxLayout = new QHBoxLayout;
+    centerHBoxLayout->addStretch();
+    centerHBoxLayout->addWidget(center);
+    centerHBoxLayout->addStretch();
+    vLayout->addLayout(centerHBoxLayout);
     // 图片
-    PixmapLabel *imageBackup_firstPage = new PixmapLabel(first);
+    PixmapLabel *imageBackup_firstPage = new PixmapLabel(center);
     imageBackup_firstPage->setGeometry(421, 120, 300, 326);
     imageBackup_firstPage->setScaledContents(true);
     imageBackup_firstPage->setLightAndDarkPixmap(":/images/system_backup.png", ":/images/system_backup_dark.png");
 
     // 系统备份大字提示
-    MyLabel *labelBackup_firstPage = new MyLabel(first);
+    MyLabel *labelBackup_firstPage = new MyLabel(center);
     labelBackup_firstPage->setDeplayText(tr("System Backup"));
     labelBackup_firstPage->setFixedWidth(500);
     labelBackup_firstPage->setFixedHeight(48);
@@ -86,7 +100,7 @@ void SystemBackup::initFirstWidget()
     labelBackup_firstPage->adjustSize();
 
     // 系统备份说明
-    MyLabel *labelNote_firstPage = new MyLabel(first);
+    MyLabel *labelNote_firstPage = new MyLabel(center);
     labelNote_firstPage->setFixedWidth(700);
     labelNote_firstPage->setFixedHeight(24);
     labelNote_firstPage->move(41, 180);
@@ -98,35 +112,35 @@ void SystemBackup::initFirstWidget()
     labelNote_firstPage->adjustSize();
 
     // 多点还原
-    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(center);
     iconMultiBackup_firstPage->setGeometry(41, 244, 180, 36);
     iconMultiBackup_firstPage->setThemeIcon("ukui-multipoint-symbolic", ":/symbos/ukui-multipoint-symbolic");
     iconMultiBackup_firstPage->setDesplayText(tr("Multi-Spot"));
     iconMultiBackup_firstPage->setEnabled(false);
 
     // 体积小
-    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(center);
     iconSmallSize_firstPage->setGeometry(201, 244, 180, 36);
     iconSmallSize_firstPage->setThemeIcon("ukui-volume-symbolic", ":/symbos/ukui-volume-symbolic");
     iconSmallSize_firstPage->setDesplayText(tr("Small Size"));
     iconSmallSize_firstPage->setEnabled(false);
 
     // 安全
-    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(center);
     iconSecurity_firstPage->setGeometry(41, 296, 180, 36);
     iconSecurity_firstPage->setThemeIcon("ukui-bf-security-symbolic", ":/symbos/ukui-bf-security-symbolic");
     iconSecurity_firstPage->setDesplayText(tr("Security"));
     iconSecurity_firstPage->setEnabled(false);
 
     // 操作简单
-    MyIconLabel *iconSimple_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage = new MyIconLabel(center);
     iconSimple_firstPage->setGeometry(201, 296, 180, 36);
     iconSimple_firstPage->setThemeIcon("ukui-bf-simple-symbolic", ":/symbos/ukui-bf-simple-symbolic");
     iconSimple_firstPage->setDesplayText(tr("Simple"));
     iconSimple_firstPage->setEnabled(false);
 
     // 开始备份按钮
-    MyPushButton *beginBackup = new MyPushButton(first);
+    MyPushButton *beginBackup = new MyPushButton(center);
     beginBackup->setGeometry(41, 372, 180, 52);
     beginBackup->setText(tr("Start Backup"));
     beginBackup->setEnabled(true);
@@ -156,11 +170,10 @@ void SystemBackup::initFirstWidget()
     bottomHBoxLayout->addSpacing(20);
     bottomHBoxLayout->setAlignment(Qt::AlignRight);
 
-    QVBoxLayout *bottomVBoxLayout = new QVBoxLayout;
-    bottomVBoxLayout->addStretch();
-    bottomVBoxLayout->addLayout(bottomHBoxLayout);
-    bottomVBoxLayout->addSpacing(20);
-    first->setLayout(bottomVBoxLayout);
+    vLayout->addStretch();
+    vLayout->addLayout(bottomHBoxLayout);
+    vLayout->addSpacing(20);
+    first->setLayout(vLayout);
 
     connect(backupPointManage, &MyPushButton::clicked, this, [=]() {
         ManageBackupPointList backupManager(first, ManageBackupPointList::SYSTEM);
@@ -595,6 +608,7 @@ void SystemBackup::initThirdWidget()
         recheck->setVisible(false);
 
         this->on_checkEnv_start();
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
     });
 
     // 检测结果
@@ -646,6 +660,38 @@ void SystemBackup::initThirdWidget()
         }
 
         preStep->setVisible(true);
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelCheck1的宽度
+        int len_labelCheck1 = 0;
+        if (labelCheck1->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck1->font());
+            len_labelCheck1 = fontMetrics.width(labelCheck1->getOriginalText());
+            len_labelCheck1 += LEN_DOT_PRE;
+        }
+        // 控件labelCheck2的宽度
+        int len_labelCheck2 = 0;
+        if (labelCheck2->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck2->font());
+            len_labelCheck2 = fontMetrics.width(labelCheck2->getOriginalText());
+            len_labelCheck2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelCheck1 ? len_title : len_labelCheck1;
+        len_max = len_max > len_labelCheck2 ? len_max : len_labelCheck2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     addWidget(third);
@@ -815,9 +861,10 @@ void SystemBackup::initForthWidget()
     QHBoxLayout *hlayoutCenterLine1 = new QHBoxLayout;
     // 备份名称
     MyLabel *labelBackupName = new MyLabel(forth);
-    labelBackupName->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
-    labelBackupName->setAlignment(Qt::AlignRight | Qt::AlignHCenter);
     labelBackupName->setDeplayText(tr("Backup Name"));
+    QFontMetrics fontMetrics(labelBackupName->font());
+    int fontSize = fontMetrics.width(labelBackupName->getOriginalText());
+    labelBackupName->setFixedWidth(fontSize);
     MyLineEdit *editBackupName = new MyLineEdit(forth);
     editBackupName->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     editBackupName->setMinimumWidth(350);
@@ -833,7 +880,6 @@ void SystemBackup::initForthWidget()
     hlayoutCenterLine1->addStretch();
     hlayoutCenterLine1->addWidget(labelBackupName);
     hlayoutCenterLine1->addWidget(editBackupName);
-    hlayoutCenterLine1->addSpacing(40);
     hlayoutCenterLine1->addStretch();
     hlayoutCenterLine1->setAlignment(Qt::AlignCenter);
     vlayout->addLayout(hlayoutCenterLine1);
@@ -846,6 +892,15 @@ void SystemBackup::initForthWidget()
     labelError->setVisible(false);
     labelError->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
 
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=]{
+        QFontMetrics fontMetrics(labelBackupName->font());
+        int fontSize = fontMetrics.width(labelBackupName->getOriginalText());
+        labelBackupName->setFixedWidth(fontSize);
+
+        if (labelError->isVisible())
+            labelError->move(editBackupName->geometry().left(), editBackupName->geometry().bottom() + 10);
+    });
+
     connect(validator, &InputValidator::checked, this, [=](bool valid, QString in, int pos, QChar c) {
         if (in.isEmpty())
             return;
@@ -909,9 +964,9 @@ void SystemBackup::initForthWidget()
     nextStep->setProperty("isImportant", true);
     connect(nextStep, &MyPushButton::clicked, this, [=](bool checked) {
         Q_UNUSED(checked)
-        if (labelError->isVisible()) {
+        /*if (labelError->isVisible()) {
             editBackupName->setFocus();
-        } else {
+        } else*/ {
             this->m_backupName = editBackupName->text();
             if (this->m_backupName.isEmpty()) {
                 this->m_backupName = editBackupName->placeholderText();
@@ -1422,7 +1477,6 @@ void SystemBackup::initLastWidget()
     bigTitle->setIsOriginal(true);
     bigTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     hlayoutCenterFont1->addWidget(bigTitle);
-    // hlayoutCenterFont1->setAlignment(Qt::AlignLeft);
     vlayoutCenterFont->addLayout(hlayoutCenterFont1);
 
     // 第二行
@@ -1499,9 +1553,6 @@ void SystemBackup::initLastWidget()
             resultLogo->setVisible(true);
             // 备份成功
             bigTitle->setDeplayText(tr("The backup is successful"));
-            QFontMetrics fontMetrics(bigTitle->font());
-            int fontSize = fontMetrics.width(bigTitle->getOriginalText());
-            bigTitle->setFixedWidth(fontSize);
             hlayoutCenterFont1->setAlignment(Qt::AlignCenter);
 
             dot1->setVisible(false);
@@ -1528,6 +1579,39 @@ void SystemBackup::initLastWidget()
 
             homePage->setVisible(true);
         }
+
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelError1->isVisible()) {
+            QFontMetrics fontMetrics(labelError1->font());
+            len_labelError1 = fontMetrics.width(labelError1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelError2->isVisible()) {
+            QFontMetrics fontMetrics(labelError2->font());
+            len_labelError2 = fontMetrics.width(labelError2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 再试一次
diff --git a/kybackup/module/systemrestore.cpp b/kybackup/module/systemrestore.cpp
index 4c2dd84..9c7891b 100755
--- a/kybackup/module/systemrestore.cpp
+++ b/kybackup/module/systemrestore.cpp
@@ -25,6 +25,10 @@
 #include "kborderbutton.h"
 
 using namespace kdk;
+// bigTitle控件前面的宽度：24+spacing
+#define LEN_TITLE_PRE 50
+// labelCheck1、labelCheck2控件前面的宽度：10+6+5
+#define LEN_DOT_PRE 50
 
 SystemRestore::SystemRestore(QWidget *parent) :
     QStackedWidget(parent)
@@ -53,15 +57,25 @@ SystemRestore::~SystemRestore()
 void SystemRestore::initFirstWidget()
 {
     QWidget *first = new QWidget;
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->addStretch();
 
+    // 中部布局包含一个独立的窗口，用于大小变化时局部相对不变
+    QWidget *center = new QWidget;
+    center->setFixedSize(760, 540);
+    QHBoxLayout *centerHBoxLayout = new QHBoxLayout;
+    centerHBoxLayout->addStretch();
+    centerHBoxLayout->addWidget(center);
+    centerHBoxLayout->addStretch();
+    vLayout->addLayout(centerHBoxLayout);
     // 图片
-    PixmapLabel *imageRestore_firstPage = new PixmapLabel(first);
+    PixmapLabel *imageRestore_firstPage = new PixmapLabel(center);
     imageRestore_firstPage->setGeometry(421, 120, 300, 326);
     imageRestore_firstPage->setScaledContents(true);
     imageRestore_firstPage->setLightAndDarkPixmap(":/images/system_restore.png", ":/images/system_restore_dark.png");
 
     // 系统还原大字提示
-    MyLabel *labelRestore_firstPage = new MyLabel(first);
+    MyLabel *labelRestore_firstPage = new MyLabel(center);
     labelRestore_firstPage->setDeplayText(tr("System Restore"));
     labelRestore_firstPage->setFixedWidth(500);
     labelRestore_firstPage->setFixedHeight(48);
@@ -75,7 +89,7 @@ void SystemRestore::initFirstWidget()
     labelRestore_firstPage->adjustSize();
 
     // 系统还原说明
-    MyLabel *labelNote_firstPage = new MyLabel(first);
+    MyLabel *labelNote_firstPage = new MyLabel(center);
     labelNote_firstPage->setFixedWidth(700);
     labelNote_firstPage->setFixedHeight(24);
     labelNote_firstPage->move(41, 180);
@@ -88,35 +102,35 @@ void SystemRestore::initFirstWidget()
     labelNote_firstPage->adjustSize();
 
     // 操作简单
-    MyIconLabel *iconSimple_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSimple_firstPage = new MyIconLabel(center);
     iconSimple_firstPage->setGeometry(41, 244, 210, 36);
     iconSimple_firstPage->setThemeIcon("ukui-bf-simple-symbolic", ":/symbos/ukui-bf-simple-symbolic");
     iconSimple_firstPage->setDesplayText(tr("Simple"));
     iconSimple_firstPage->setEnabled(false);
 
     // 安全可靠
-    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSecurity_firstPage = new MyIconLabel(center);
     iconSecurity_firstPage->setGeometry(231, 244, 180, 36);
     iconSecurity_firstPage->setThemeIcon("ukui-bf-security-symbolic", ":/symbos/ukui-bf-security-symbolic");
     iconSecurity_firstPage->setDesplayText(tr("Security"));
     iconSecurity_firstPage->setEnabled(false);
 
     // 修复系统损坏
-    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconMultiBackup_firstPage = new MyIconLabel(center);
     iconMultiBackup_firstPage->setGeometry(41, 296, 210, 36);
     iconMultiBackup_firstPage->setThemeIcon("ukui-bf-damage-symbolic", ":/symbos/ukui-bf-damage-symbolic");
     iconMultiBackup_firstPage->setDesplayText(tr("Repair"));
     iconMultiBackup_firstPage->setEnabled(false);
 
     // 自主操作
-    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(first);
+    MyIconLabel *iconSmallSize_firstPage = new MyIconLabel(center);
     iconSmallSize_firstPage->setGeometry(231, 296, 180, 36);
     iconSmallSize_firstPage->setThemeIcon("ukui-self-help-symbolic", ":/symbos/ukui-self-help-symbolic");
     iconSmallSize_firstPage->setDesplayText(tr("Independent"));
     iconSmallSize_firstPage->setEnabled(false);
 
     // 开始还原按钮
-    MyPushButton *beginRestore = new MyPushButton(first);
+    MyPushButton *beginRestore = new MyPushButton(center);
     beginRestore->setGeometry(41, 372, 180, 52);
     beginRestore->setText(tr("Start Restore"));
     beginRestore->setEnabled(true);
@@ -141,11 +155,10 @@ void SystemRestore::initFirstWidget()
     bottomHBoxLayout->addSpacing(40);
     bottomHBoxLayout->setAlignment(Qt::AlignRight);
 
-    QVBoxLayout *bottomVBoxLayout = new QVBoxLayout;
-    bottomVBoxLayout->addStretch();
-    bottomVBoxLayout->addLayout(bottomHBoxLayout);
-    bottomVBoxLayout->addSpacing(20);
-    first->setLayout(bottomVBoxLayout);
+    vLayout->addStretch();
+    vLayout->addLayout(bottomHBoxLayout);
+    vLayout->addSpacing(20);
+    first->setLayout(vLayout);
 
     connect(checkFactoryRestore, &MyCheckBox::stateChanged, this, [=](int state) {
         this->m_isFactoryRestore = Qt::Unchecked == state ? false : true;
@@ -421,6 +434,7 @@ void SystemRestore::initSecondWidget()
         recheck->setVisible(false);
 
         this->on_checkEnv_start();
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
     });
 
     // 检测结果
@@ -472,6 +486,38 @@ void SystemRestore::initSecondWidget()
         }
 
         preStep->setVisible(true);
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelCheck1->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck1->font());
+            len_labelError1 = fontMetrics.width(labelCheck1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelCheck2->isVisible()) {
+            QFontMetrics fontMetrics(labelCheck2->font());
+            len_labelError2 = fontMetrics.width(labelCheck2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 重新检查
@@ -977,6 +1023,38 @@ void SystemRestore::initLastWidget()
             retry->setVisible(true);
             homePage->setVisible(true);
         }
+        emit GlobelBackupInfo::inst().getGlobalSignals()->widthChanged();
+    });
+
+    // 调整中部控件大小
+    connect(GlobelBackupInfo::inst().getGlobalSignals(), &GlobalSignals::widthChanged, this, [=](){
+        // 控件bigTitle的宽度
+        int len_title = 0;
+        if (bigTitle->isVisible()) {
+            QFontMetrics fontMetrics(bigTitle->font());
+            len_title = fontMetrics.width(bigTitle->getOriginalText());
+            len_title += LEN_TITLE_PRE;
+        }
+        // 控件labelError1的宽度
+        int len_labelError1 = 0;
+        if (labelError1->isVisible()) {
+            QFontMetrics fontMetrics(labelError1->font());
+            len_labelError1 = fontMetrics.width(labelError1->getOriginalText());
+            len_labelError1 += LEN_DOT_PRE;
+        }
+        // 控件labelError2的宽度
+        int len_labelError2 = 0;
+        if (labelError2->isVisible()) {
+            QFontMetrics fontMetrics(labelError2->font());
+            len_labelError2 = fontMetrics.width(labelError2->getOriginalText());
+            len_labelError2 += LEN_DOT_PRE;
+        }
+        int len_max = len_title > len_labelError1 ? len_title : len_labelError1;
+        len_max = len_max > len_labelError2 ? len_max : len_labelError2;
+        if (len_max >= this->width())
+            len_max = this->width();
+
+        centerFont->setFixedWidth(len_max);
     });
 
     // 再试一次