diff --git a/AscNet.GameServer/Handlers/CommunicationModule.cs b/AscNet.GameServer/Handlers/CommunicationModule.cs
deleted file mode 100644
index a18ffa1..0000000
--- a/AscNet.GameServer/Handlers/CommunicationModule.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace AscNet.GameServer.Handlers
-{
-    internal class CommunicationModule
-    {
-        /* TODO: Need types
-        [RequestPacketHandler("ChangeCommunicationRequest")]
-        public static void ChangeCommunicationRequestHandler(Session session, Packet.Request packet)
-        {
-        }
-        */
-    }
-}
diff --git a/AscNet.GameServer/Handlers/DrawModule.cs b/AscNet.GameServer/Handlers/DrawModule.cs
new file mode 100644
index 0000000..0211c9a
--- /dev/null
+++ b/AscNet.GameServer/Handlers/DrawModule.cs
@@ -0,0 +1,24 @@
+using MessagePack;
+
+namespace AscNet.GameServer.Handlers
+{
+    #region MsgPackScheme
+#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+    [MessagePackObject(true)]
+    public class DrawGetDrawGroupListResponse
+    {
+        public int Code { get; set; }
+        public List<dynamic> DrawGroupInfoList { get; set; } = new();
+    }
+#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+    #endregion
+
+    internal class DrawModule
+    {
+        [RequestPacketHandler("DrawGetDrawGroupListRequest")]
+        public static void DrawGetDrawGroupListRequestHandler(Session session, Packet.Request packet)
+        {
+            session.SendResponse(new DrawGetDrawGroupListResponse(), packet.Id);
+        }
+    }
+}
diff --git a/AscNet.GameServer/Handlers/PlayerModule.cs b/AscNet.GameServer/Handlers/PlayerModule.cs
index c4fc163..4eccfaf 100644
--- a/AscNet.GameServer/Handlers/PlayerModule.cs
+++ b/AscNet.GameServer/Handlers/PlayerModule.cs
@@ -3,12 +3,23 @@ using MessagePack;
 
 namespace AscNet.GameServer.Handlers
 {
+
+    #region MsgPackScheme
+#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
     [MessagePackObject(true)]
     public class ChangePlayerMarkRequest
     {
         public long MaskId;
     }
 
+    [MessagePackObject(true)]
+    public class ChangeCommunicationResponse
+    {
+        public int Code;
+    }
+#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+    #endregion
+
     internal class PlayerModule
     {
         [RequestPacketHandler("ChangePlayerMarkRequest")]
@@ -25,5 +36,11 @@ namespace AscNet.GameServer.Handlers
             session.player.PlayerData.Marks.Add(request.MaskId);
             session.SendResponse(new ChangePlayerMarkResponse(), packet.Id);
         }
+
+        [RequestPacketHandler("ChangeCommunicationRequest")]
+        public static void ChangeCommunicationRequestHandler(Session session, Packet.Request packet)
+        {
+            session.SendResponse(new ChangeCommunicationResponse(), packet.Id);
+        }
     }
 }