src/Hotline.Api/Realtimes/HotlineHub.cs

@@ -65,7 +65,7 @@ namespace Hotline.Api.Realtimes
         public override async Task OnDisconnectedAsync(Exception? exception)
         {
             var userId = _sessionContext.RequiredUserId;
-            await _cacheConnection.RemoveAsync(userId, Context.ConnectionAborted);
+            await _cacheConnection.RemoveAsync(userId, default);
             await base.OnDisconnectedAsync(exception);
         }