diff --git a/Jellyfin.Plugin.JavTube/Constant.cs b/Jellyfin.Plugin.JavTube/Constant.cs
new file mode 100644
index 0000000..371fd46
--- /dev/null
+++ b/Jellyfin.Plugin.JavTube/Constant.cs
@@ -0,0 +1,12 @@
+namespace Jellyfin.Plugin.JavTube;
+
+public static class Constant
+{
+    public static readonly string JavTube = "JavTube";
+
+    public static readonly string Description = "Just Another Video Tube";
+
+    public static readonly string Guid = "df87283d-7224-4f9c-a448-3433d9cf278a";
+
+    public static readonly string UserAgent = $"Jellyfin.Plugin.JavTube/{Plugin.Instance.Version}";
+}
\ No newline at end of file
diff --git a/Jellyfin.Plugin.JavTube/Plugin.cs b/Jellyfin.Plugin.JavTube/Plugin.cs
index ffb0431..12bd497 100644
--- a/Jellyfin.Plugin.JavTube/Plugin.cs
+++ b/Jellyfin.Plugin.JavTube/Plugin.cs
@@ -21,11 +21,11 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
         Instance = this;
     }
 
-    public override string Name => "JavTube";
+    public override string Name => Constant.JavTube;
 
-    public override string Description => "Just Another Video Tube";
+    public override string Description => Constant.Description;
 
-    public override Guid Id => Guid.Parse("df87283d-7224-4f9c-a448-3433d9cf278a");
+    public override Guid Id => Guid.Parse(Constant.Guid);
 
     public static Plugin Instance { get; private set; }