diff --git a/DysonNetwork.Sphere/Account/AccountService.cs b/DysonNetwork.Sphere/Account/AccountService.cs
index 769d6f7..3d25bda 100644
--- a/DysonNetwork.Sphere/Account/AccountService.cs
+++ b/DysonNetwork.Sphere/Account/AccountService.cs
@@ -360,8 +360,10 @@ public class AccountService(
             await nty.UnsubscribePushNotifications(session.Challenge.DeviceId);
 
         // The current session should be included in the sessions' list
-        db.AuthSessions.RemoveRange(sessions);
-        await db.SaveChangesAsync();
+        await db.AuthSessions
+            .Include(s => s.Challenge)
+            .Where(s => s.Challenge.DeviceId == session.Challenge.DeviceId)
+            .ExecuteDeleteAsync();
 
         foreach (var item in sessions)
             await cache.RemoveAsync($"{DysonTokenAuthHandler.AuthCachePrefix}{item.Id}");
diff --git a/DysonNetwork.Sphere/Connection/Handlers/MessageTypingHandler.cs b/DysonNetwork.Sphere/Connection/Handlers/MessageTypingHandler.cs
index 723eac7..57964aa 100644
--- a/DysonNetwork.Sphere/Connection/Handlers/MessageTypingHandler.cs
+++ b/DysonNetwork.Sphere/Connection/Handlers/MessageTypingHandler.cs
@@ -49,9 +49,20 @@ public class MessageTypingHandler(ChatRoomService crs) : IWebSocketPacketHandler
             return;
         }
 
+        var responsePacket = new WebSocketPacket
+        {
+            Type = "messages.typing",
+            Data = new Dictionary<string, object>()
+            {
+                ["room_id"] = sender.ChatRoomId,
+                ["sender_id"] = sender.Id,
+                ["sender"] = sender
+            }
+        };
+
         // Broadcast read statuses
         var otherMembers = (await crs.ListRoomMembers(request.ChatRoomId)).Select(m => m.AccountId).ToList();
         foreach (var member in otherMembers)
-            srv.SendPacketToAccount(member, packet);
+            srv.SendPacketToAccount(member, responsePacket);
     }
 }
\ No newline at end of file