diff --git a/src/main.cpp b/src/main.cpp
index b059f42..d213861 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,19 +1,19 @@
 #include <DApplication>
-#include <DWidgetUtil>  //Dtk::Widget::moveToCenter(&w); 要调用它，就得引用DWidgetUtil
-#include <QDesktopWidget>
-#include <widget.h>
-#include <QTranslator>
-#include <DAboutDialog>
-#include "appitem.h"
+#include <DApplicationSettings>
+#include <DWidgetUtil>      // Dtk::Widget::moveToCenter(&w); 要调用它，就得引用 DWidgetUtil
+
+#include <QScreen>
+
+#include "widget.h"
 
 DWIDGET_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
-    DApplication::loadDXcbPlugin();  //让bar处在标题栏中
+    // DApplication::loadDXcbPlugin();  // 让 bar 处在标题栏中
     DApplication a(argc, argv);
 
     a.setAttribute(Qt::AA_UseHighDpiPixmaps);
-    a.loadTranslator();//载入翻译
+    a.loadTranslator();     // 载入翻译
 
     /* Customized DAboutDialog (Can't work on other distro like Ubuntu...)
      *
@@ -21,7 +21,7 @@ int main(int argc, char *argv[])
      * a.setAboutDialog(&dialog);
      * dialog.setLicense(QObject::tr("We publish this program under GPL V3"));
      * dialog.setVersion(DApplication::buildVersion("Version 2.0.2.5"));
-     * dialog.setProductIcon(QIcon::fromTheme("spark-store"));  //设置Logo
+     * dialog.setProductIcon(QIcon::fromTheme("spark-store"));  // 设置Logo
      * dialog.setProductName(QLabel::tr("Spark Store"));
      * dialog.setDescription(
      *             QObject::tr(
@@ -52,36 +52,49 @@ int main(int argc, char *argv[])
                     )
                 );
 
+    // 限制单实例运行
+    if(!a.setSingleInstance("spark-store"))
+    {
+        return -1;
+    }
+
+    // 保存窗口主题设置
+    DApplicationSettings settings;
+
     Widget w;
-    QDesktopWidget *s=DApplication::desktop();
-    int d_w=s->width();
-    int d_h=s->height();
-    if(d_w<=1366){
+    QScreen *s = DApplication::primaryScreen();
+    int d_w = s->geometry().width();
+    int d_h = s->geometry().height();
+
+    if(d_w <= 1366)
+    {
         w.setMinimumWidth(925);
         w.resize(925,650);
-    }else if(d_w<=1920){
-        w.setMinimumWidth(1180);
-        w.resize(1180,760);
-    }else {
+    }
+    else
+    {
         w.setMinimumWidth(1180);
         w.resize(1180,760);
     }
-    if(d_h<=768){
+
+    if(d_h <= 768)
+    {
         w.setMinimumHeight(650);
         w.resize(925,650);
-    }else if(d_h<=1080){
-        w.setMinimumHeight(760);
-        w.resize(1180,760);
-    }else {
+    }
+    else
+    {
         w.setMinimumHeight(760);
         w.resize(1180,760);
     }
 
-    QString arg1=argv[1];
-    if(arg1.left(6)=="spk://"){
+    QString arg1 = argv[1];
+    if(arg1.left(6)=="spk://")
+    {
         w.openUrl(QUrl(argv[1]));
     }
-    //让打开时界面显示在正中
+
+    // 让打开时界面显示在正中
     Dtk::Widget::moveToCenter(&w);
 
     w.show();
diff --git a/src/progressload.cpp b/src/progressload.cpp
index c335ce1..c2fac28 100644
--- a/src/progressload.cpp
+++ b/src/progressload.cpp
@@ -1,5 +1,7 @@
 #include "progressload.h"
 
+#include <DApplicationHelper>
+
 ProgressLoad::ProgressLoad(QWidget *parent) :
     QWidget(parent),
     m_progess(new QWidget(this)),
@@ -28,13 +30,13 @@ void ProgressLoad::setTheme(bool dark, QColor color)
 {
     if(dark)
     {
-        plt.setColor(QPalette::Background, QColor(28,28,28));
+        plt.setColor(QPalette::Background, QColor(40, 40, 40));
         setAutoFillBackground(true);
         setPalette(plt);
     }
     else
     {
-        plt.setColor(QPalette::Background, QColor(255,255,255));
+        plt.setColor(QPalette::Background, QColor(255, 255, 255));
         setAutoFillBackground(true);
         setPalette(plt);
     }
diff --git a/src/progressload.h b/src/progressload.h
index 630766a..b1bb0ff 100644
--- a/src/progressload.h
+++ b/src/progressload.h
@@ -13,7 +13,7 @@ public:
     explicit ProgressLoad(QWidget *parent = nullptr);
 
     void setValue(int v);
-    void setTheme(bool dark,QColor color);
+    void setTheme(bool dark, QColor color);
 
 private:
     QWidget *m_progess;
diff --git a/src/widget.cpp b/src/widget.cpp
index 290f5a9..cb9eb05 100644
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -44,8 +44,6 @@ Widget::Widget(DBlurEffectWidget *parent) :
     initConfig();
 
     manager = new QNetworkAccessManager(this);  // 下载管理
-    m_loadweb=ui->progressload;
-    m_loadweb->show();
 
     httpClient = new AeaQt::HttpClient;
     downloadController = new DownloadController(this);  // 并发下载
@@ -68,19 +66,21 @@ Widget::Widget(DBlurEffectWidget *parent) :
     connect(DGuiApplicationHelper::instance(), &DGuiApplicationHelper::themeTypeChanged, this, [=](DGuiApplicationHelper::ColorType themeType)
     {
         // 获取系统活动色
-        QColor main_color;
         main_color = DGuiApplicationHelper::instance()->applicationPalette().highlight().color();
 
         if(themeType == DGuiApplicationHelper::DarkType)
         {
             qDebug() << "Dark";
-            setTheme(true, main_color);
+            themeIsDark = true;
         }
-        else
+        else if(themeType == DGuiApplicationHelper::LightType)
         {
             qDebug() << "Light";
-            setTheme(false, main_color);
+            themeIsDark = false;
         }
+
+        // 设置 UI 主题
+        setTheme(themeIsDark, main_color);
     });
 
     connect(&appinfoLoadThread, SIGNAL(requestResetUi()), this, SLOT(sltAppinfoResetUi()), Qt::ConnectionType::BlockingQueuedConnection);
@@ -152,7 +152,7 @@ Widget::~Widget()
 void Widget::initUI()
 {
     // ui初始化
-    setMaskAlpha(220);
+    setMaskAlpha(200);
     ui->webfoot->setFixedHeight(0);
     ui->stackedWidget->setCurrentIndex(0);
     ui->listWidget->hide();
@@ -160,7 +160,9 @@ void Widget::initUI()
     ui->pushButton_uninstall->hide();
     ui->line1_widget->setStyleSheet("background-color:#808080");
     ui->icon->setPixmap(QIcon::fromTheme("spark-store").pixmap(36,36));
-    ui->titlebar->setFixedHeight(50);
+    ui->titlebar->setFixedHeight(48);
+
+    m_loadweb = ui->progressload;
 
     label_screen << ui->screen_0 << ui->screen_1 << ui->screen_2 << ui->screen_3 << ui->screen_4;
 
@@ -196,11 +198,11 @@ void Widget::initUI()
     menu->addAction(actionSubmission);
     titlebar->setMenu(menu);
 
-    connect(actionSubmission, &QAction::triggered, this, [=](){QDesktopServices::openUrl(QUrl("https://upload.spark-app.store/"));});
+    connect(actionSubmission, &QAction::triggered, this, [=]{QDesktopServices::openUrl(QUrl("https://upload.spark-app.store/"));});
     connect(setting, &QAction::triggered, this, &Widget::opensetting);
 
     // 载入自定义字体
-    int loadedFontID = QFontDatabase::addApplicationFont(":/fonts/fonts/华康少女字体.ttf");
+    int loadedFontID = QFontDatabase::addApplicationFont(":/fonts/fonts/hksnzt.ttf");
     QStringList loadedFontFamilies = QFontDatabase::applicationFontFamilies(loadedFontID);
     if(!loadedFontFamilies.isEmpty())
     {
@@ -211,20 +213,20 @@ void Widget::initUI()
      */
 
     // 初始化菜单数组
-    left_list[0]=ui->menu_main;
-    left_list[1]=ui->menu_network;
-    left_list[2]=ui->menu_chat;
-    left_list[3]=ui->menu_music;
-    left_list[4]=ui->menu_video;
-    left_list[5]=ui->menu_photo;
-    left_list[6]=ui->menu_game;
-    left_list[7]=ui->menu_office;
-    left_list[8]=ui->menu_read;
-    left_list[9]=ui->menu_dev;
-    left_list[10]=ui->menu_system;
-    left_list[11]=ui->menu_theme;
-    left_list[12]=ui->menu_other;
-    left_list[13]=ui->menu_download;
+    left_list[0] = ui->menu_main;
+    left_list[1] = ui->menu_network;
+    left_list[2] = ui->menu_chat;
+    left_list[3] = ui->menu_music;
+    left_list[4] = ui->menu_video;
+    left_list[5] = ui->menu_photo;
+    left_list[6] = ui->menu_game;
+    left_list[7] = ui->menu_office;
+    left_list[8] = ui->menu_read;
+    left_list[9] = ui->menu_dev;
+    left_list[10] = ui->menu_system;
+    left_list[11] = ui->menu_theme;
+    left_list[12] = ui->menu_other;
+    left_list[13] = ui->menu_download;
 
     ui->label_show->hide();
 
@@ -237,7 +239,8 @@ void Widget::initUI()
     ui->applist_scrollAreaWidget->setLayout(main);
     spinner->setFixedSize(80, 80);
 
-    // 初始化主题颜色
+    // 初始化系统活动色和主题颜色
+    main_color = DGuiApplicationHelper::instance()->applicationPalette().highlight().color();
     if(DGuiApplicationHelper::instance()->themeType() == DGuiApplicationHelper::DarkType)
     {
         themeIsDark = true;
@@ -246,6 +249,7 @@ void Widget::initUI()
     {
         themeIsDark = false;
     }
+    setTheme(themeIsDark, main_color);
 }
 
 void Widget::initConfig()
@@ -303,7 +307,7 @@ void Widget::initConfig()
 
     // web控件初始化
     // ui->webView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);    // 用来激活接受 linkClicked 信号
-    // ui->webView->page()->settings()->setAttribute(QWebSettings::JavascriptEnabled,true);
+    // ui->webView->page()->settings()->setAttribute(QWebSettings::JavascriptEnabled, true);
     ui->webfoot->hide();
 
     // 初始化首页
@@ -341,12 +345,12 @@ void Widget::setTheme(bool isDark, QColor color)
     {
         // 黑色模式
         themeIsDark = true;
-        ui->webEngineView->setStyleSheet("background-color:#282828");
-        ui->btn_openDir->setStyleSheet("color: #8B91A1; background-color: #2E2F30; border: 0px");
-        ui->webfoot->setStyleSheet("background-color:#252525");
-        ui->label->setStyleSheet("background-color:#252525");
-        // ui->scrollArea->setStyleSheet("background-color:#252525");
-        ui->label_show->setStyleSheet("background-color:#252525");
+        ui->webEngineView->setStyleSheet("background-color: #252525;");
+        ui->webfoot->setStyleSheet("background-color: #252525;");
+        ui->btn_openDir->setStyleSheet("color: #AFAFAF; background-color: #2C2C2C; border: 0px;");
+        ui->label->setStyleSheet("background-color: #252525;");
+        // ui->scrollArea->setStyleSheet("background-color: #2C2C2C;");
+        ui->label_show->setStyleSheet("background-color: #2C2C2C;");
         ui->pushButton_return->setIcon(DStyle().standardIcon(DStyle::SP_ArrowLeft));
         ui->pushButton_refresh->setIcon(QIcon(":/icons/icons/refresh-page-dark.svg"));
     }
@@ -354,12 +358,12 @@ void Widget::setTheme(bool isDark, QColor color)
     {
         // 亮色模式
         themeIsDark = false;
-        ui->webEngineView->setStyleSheet("background-color:#FFFFFF");
-        ui->webfoot->setStyleSheet("background-color:#FFFFFF");
-        ui->btn_openDir->setStyleSheet("color: #505050; background-color: #FBFBFB; border: 0px");
-        ui->label->setStyleSheet("background-color:#FFFFFF");
-        // ui->scrollArea->setStyleSheet("background-color:#F8F8F8");
-        ui->label_show->setStyleSheet("background-color:#F8F8F8");
+        ui->webEngineView->setStyleSheet("background-color: #FFFFFF;");
+        ui->webfoot->setStyleSheet("background-color: #FFFFFF;");
+        ui->btn_openDir->setStyleSheet("color: #505050; background-color: #F8F8F8; border: 0px;");
+        ui->label->setStyleSheet("background-color: #FFFFFF;");
+        // ui->scrollArea->setStyleSheet("background-color: #F8F8F8;");
+        ui->label_show->setStyleSheet("background-color: #F8F8F8;");
         ui->pushButton_return->setIcon(DStyle().standardIcon(DStyle::SP_ArrowLeft));
         ui->pushButton_refresh->setIcon(QIcon(":/icons/icons/refresh-page.svg"));
     }
@@ -369,7 +373,7 @@ void Widget::setTheme(bool isDark, QColor color)
     m_loadweb->setTheme(themeIsDark, color);
     updateUI();
 
-    // 刷新首页主题颜色
+    // 刷新网页主题颜色
     if(ui->stackedWidget->currentIndex() == 0)
     {
         chooseLeftMenu(nowMenu);
diff --git a/src/widget.ui b/src/widget.ui
index eecd751..a7004af 100644
--- a/src/widget.ui
+++ b/src/widget.ui
@@ -489,8 +489,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>606</width>
-            <height>854</height>
+            <width>582</width>
+            <height>849</height>
            </rect>
           </property>
           <layout class="QVBoxLayout" name="verticalLayout_17">
@@ -984,8 +984,8 @@
                   <rect>
                    <x>0</x>
                    <y>0</y>
-                   <width>568</width>
-                   <height>323</height>
+                   <width>98</width>
+                   <height>28</height>
                   </rect>
                  </property>
                  <layout class="QHBoxLayout" name="horizontalLayout_4">
@@ -1114,8 +1114,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>743</width>
-            <height>902</height>
+            <width>738</width>
+            <height>886</height>
            </rect>
           </property>
           <layout class="QVBoxLayout" name="verticalLayout_23">