diff --git a/Gtk4/res/leftpanel.ui b/Gtk4/res/leftpanel.ui
index 9d10b2e..b7ba842 100644
--- a/Gtk4/res/leftpanel.ui
+++ b/Gtk4/res/leftpanel.ui
@@ -53,7 +53,7 @@
                         <child>
                         <object class="GtkImage">
                           <property name="pixel-size">16</property>
-                          <property name="icon-name">gedit</property>
+                          <property name="icon-name">myeditor</property>
                         </object>
                         </child>
                         <child>
@@ -148,7 +148,7 @@
                         <child>
                         <object class="GtkImage">
                           <property name="pixel-size">16</property>
-                          <property name="icon-name">gedit</property>
+                          <property name="icon-name">myeditor</property>
                         </object>
                         </child>
                         <child>
diff --git a/Gtk4/src/core/LeftPanel.cpp b/Gtk4/src/core/LeftPanel.cpp
index 4488a33..1b4bbba 100644
--- a/Gtk4/src/core/LeftPanel.cpp
+++ b/Gtk4/src/core/LeftPanel.cpp
@@ -77,7 +77,7 @@ void left_panel_set_parent(LeftPanel *self, GtkWindow *parent_win1)
     // Fix the height < 400
     int height = main_win_get_height(MAIN_WIN(parent_win1));
     int width = main_win_get_width(MAIN_WIN(parent_win1));
-    if (height < 400 || width < 800)
+    if (height <= 470 || width <= 820)
     {
         gtk_widget_set_size_request(self->popover1, 320, height - 40);
         self->win_height = height - 60;
@@ -86,8 +86,8 @@ void left_panel_set_parent(LeftPanel *self, GtkWindow *parent_win1)
     else
     {
         gtk_widget_set_size_request(self->popover1, 320, 400);
-        self->win_height = 800;
-        self->win_width = 450;
+        self->win_height = 450;
+        self->win_width = 800;
     }
 }
 
diff --git a/Gtk4/src/media_app/MediaPlayer.cpp b/Gtk4/src/media_app/MediaPlayer.cpp
index 6a36ec2..003c9fb 100644
--- a/Gtk4/src/media_app/MediaPlayer.cpp
+++ b/Gtk4/src/media_app/MediaPlayer.cpp
@@ -74,9 +74,9 @@ static void about_activated(GSimpleAction *action,
                           "copyright", "© 2019—2024 The Xe Project",
                           "comments", "A Simple Media Player",
                           "authors", authors,
-                          "logo-icon-name", "media-player1",
+                          "logo-icon-name", "multimedia-player1",
                           "title", "About Gtk4 Media",
-                          NULL);
+                          NULL, nullptr);
 }
 
 // static void dialog_response(GtkWidget *widget, int response, MediaPlayer *player)