diff --git a/libsearch/global-settings.cpp b/libsearch/global-settings.cpp
index 32df70c..a46e857 100644
--- a/libsearch/global-settings.cpp
+++ b/libsearch/global-settings.cpp
@@ -83,13 +83,13 @@ GlobalSettings::GlobalSettings(QObject *parent) : QObject(parent) {
         connect(m_theme_gsettings, &QGSettings::changed, this, [ = ](const QString & key) {
             if(key == STYLE_NAME_KEY) {
                 //当前主题改变时也发出paletteChanged信号，通知主界面刷新
-                qApp->paletteChanged(qApp->palette());
                 m_cache.remove(STYLE_NAME_KEY);
                 m_cache.insert(STYLE_NAME_KEY, m_theme_gsettings->get(STYLE_NAME_KEY).toString());
-            } else if(key == FONT_SIZE_KEY) {
                 qApp->paletteChanged(qApp->palette());
+            } else if(key == FONT_SIZE_KEY) {
                 m_cache.remove(FONT_SIZE_KEY);
                 m_cache.insert(FONT_SIZE_KEY, m_theme_gsettings->get(FONT_SIZE_KEY).toDouble());
+                qApp->paletteChanged(qApp->palette());
             } else if (key == ICON_THEME_KEY) {
                 qApp->paletteChanged(qApp->palette());
             }
diff --git a/src/content-widget.cpp b/src/content-widget.cpp
index 80586f6..d2066c3 100644
--- a/src/content-widget.cpp
+++ b/src/content-widget.cpp
@@ -35,6 +35,12 @@ ContentWidget::ContentWidget(QWidget * parent): QStackedWidget(parent) {
                       << "/usr/share/applications/eom.desktop"
                       << "/usr/share/applications/pluma.desktop"
                       << "/usr/share/applications/claws-mail.desktop" ;
+    if (QString::compare(FileUtils::getAppName(m_quicklyOpenList.at(2)), "Unknown App") == 0) {
+        m_quicklyOpenList.replace(2, "/usr/share/applications/kylin-photo-viewer.desktop");
+    }
+    if (QString::compare(FileUtils::getAppName(m_quicklyOpenList.at(4)), "Unknown App") == 0) {
+        m_quicklyOpenList.replace(4, "/usr/share/applications/org.gnome.Evolution.desktop");
+    }
 }
 
 ContentWidget::~ContentWidget() {