diff --git a/Knots/Hubs/ChatHub.cs b/Knots/Hubs/ChatHub.cs
index 0d5da9b..1adf9ef 100644
--- a/Knots/Hubs/ChatHub.cs
+++ b/Knots/Hubs/ChatHub.cs
@@ -7,39 +7,39 @@ namespace Knots.Hubs;
 public class ChatHub(KnotsDbContext db, AutoMapper.IMapper mapper) : Hub
 {
     // Rejoindre une conversation (room)
-    public async Task JoinConversation(string conversationId)
+    public async Task JoinConversation(string discussionId)
     {
-        await Groups.AddToGroupAsync(Context.ConnectionId, conversationId);
+        await Groups.AddToGroupAsync(Context.ConnectionId, discussionId);
     }
 
     // Quitter une conversation
-    public async Task LeaveConversation(string conversationId)
+    public async Task LeaveConversation(string discussionId)
     {
-        await Groups.RemoveFromGroupAsync(Context.ConnectionId, conversationId);
+        await Groups.RemoveFromGroupAsync(Context.ConnectionId, discussionId);
     }
 
     // Envoyer un message à une conversation
-    public async Task SendMessage(string conversationId, string content)
+    public async Task SendMessage(string discussionId, string content)
     {
         var message = new Models.Message
         {
-            // adapte aux noms réels de ton modèle (AuthorId, Contenu, Date...)
-            AuthorId = int.Parse(Context.UserIdentifier!),
-            Contenu  = content,
-            Date     = DateTime.UtcNow,
-            DiscussionId = int.Parse(conversationId)
+            Contenu      = content,
+            Date         = DateTime.UtcNow,
+            Type         = false,                             
+            UserId       = int.Parse(Context.UserIdentifier!),
+            DiscussionId = int.Parse(discussionId)
         };
 
         db.Messages.Add(message);
         await db.SaveChangesAsync();
 
-        await Clients.Group(conversationId).SendAsync("ReceiveMessage", message);
+        await Clients.Group(discussionId).SendAsync("ReceiveMessage", message);
     }
 
     // Notifier que l'utilisateur est en train d'écrire
-    public async Task Typing(string conversationId)
+    public async Task Typing(string discussionId)
     {
-        await Clients.OthersInGroup(conversationId)
+        await Clients.OthersInGroup(discussionId)
             .SendAsync("UserTyping", Context.UserIdentifier);
     }
 }
\ No newline at end of file
diff --git a/Knots/Models/Message.cs b/Knots/Models/Message.cs
index f100cf5..ba2d05c 100644
--- a/Knots/Models/Message.cs
+++ b/Knots/Models/Message.cs
@@ -9,8 +9,6 @@ public class Message
     [Required] public DateTime Date { get; set; }
     [Required] public Boolean Type { get; set; }
     
-    public int AuthorId { get; set; }
-    
     public int UserId { get; set; }       
     public User User { get; set; } = null!;
     
diff --git a/Knots/bin/Debug/net8.0/Knots.dll b/Knots/bin/Debug/net8.0/Knots.dll
index ba7ec4c..474a836 100644
Binary files a/Knots/bin/Debug/net8.0/Knots.dll and b/Knots/bin/Debug/net8.0/Knots.dll differ
diff --git a/Knots/bin/Debug/net8.0/Knots.exe b/Knots/bin/Debug/net8.0/Knots.exe
index ed5d014..52189c6 100644
Binary files a/Knots/bin/Debug/net8.0/Knots.exe and b/Knots/bin/Debug/net8.0/Knots.exe differ
diff --git a/Knots/bin/Debug/net8.0/Knots.pdb b/Knots/bin/Debug/net8.0/Knots.pdb
index 3c9398e..3c84e73 100644
Binary files a/Knots/bin/Debug/net8.0/Knots.pdb and b/Knots/bin/Debug/net8.0/Knots.pdb differ
diff --git a/Knots/obj/Debug/net8.0/Knots.AssemblyInfo.cs b/Knots/obj/Debug/net8.0/Knots.AssemblyInfo.cs
index 4243247..c5dd044 100644
--- a/Knots/obj/Debug/net8.0/Knots.AssemblyInfo.cs
+++ b/Knots/obj/Debug/net8.0/Knots.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Knots")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+4f994ba183ab4a079dd7e762d3b7cacca26f8f75")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+e6021dcc619fd4151caff82644b9bda369ef15fd")]
 [assembly: System.Reflection.AssemblyProductAttribute("Knots")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Knots")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/Knots/obj/Debug/net8.0/Knots.AssemblyInfoInputs.cache b/Knots/obj/Debug/net8.0/Knots.AssemblyInfoInputs.cache
index e2541b2..634f18e 100644
--- a/Knots/obj/Debug/net8.0/Knots.AssemblyInfoInputs.cache
+++ b/Knots/obj/Debug/net8.0/Knots.AssemblyInfoInputs.cache
@@ -1 +1 @@
-aa1c1119a88f3e3b5738f6ea6f67686474d5c6d7e7b2612859a07f3ee65ef199
+c634a46dc11c9265972dbfd647e5dc8eb04ef78a5549341a950a2b63f97dc490
diff --git a/Knots/obj/Debug/net8.0/Knots.dll b/Knots/obj/Debug/net8.0/Knots.dll
index ba7ec4c..474a836 100644
Binary files a/Knots/obj/Debug/net8.0/Knots.dll and b/Knots/obj/Debug/net8.0/Knots.dll differ
diff --git a/Knots/obj/Debug/net8.0/Knots.pdb b/Knots/obj/Debug/net8.0/Knots.pdb
index 3c9398e..3c84e73 100644
Binary files a/Knots/obj/Debug/net8.0/Knots.pdb and b/Knots/obj/Debug/net8.0/Knots.pdb differ
diff --git a/Knots/obj/Debug/net8.0/apphost.exe b/Knots/obj/Debug/net8.0/apphost.exe
index ed5d014..52189c6 100644
Binary files a/Knots/obj/Debug/net8.0/apphost.exe and b/Knots/obj/Debug/net8.0/apphost.exe differ
diff --git a/Knots/obj/Debug/net8.0/ref/Knots.dll b/Knots/obj/Debug/net8.0/ref/Knots.dll
index 5e72baf..78df868 100644
Binary files a/Knots/obj/Debug/net8.0/ref/Knots.dll and b/Knots/obj/Debug/net8.0/ref/Knots.dll differ
diff --git a/Knots/obj/Debug/net8.0/refint/Knots.dll b/Knots/obj/Debug/net8.0/refint/Knots.dll
index 5e72baf..78df868 100644
Binary files a/Knots/obj/Debug/net8.0/refint/Knots.dll and b/Knots/obj/Debug/net8.0/refint/Knots.dll differ