src/Hotline.Api/Realtimes/HotlineHub.cs

@@ -136,7 +136,7 @@ namespace Hotline.Api.Realtimes
 
         private Task SetConnectionAsync(RealtimeConnection connection, CancellationToken cancellationToken)
         {
-            return _cacheConnection.SetAsync(connection.UserId, connection, TimeSpan.MaxValue, cancellationToken);
+            return _cacheConnection.SetAsync(connection.UserId, connection, TimeSpan.FromDays(30), cancellationToken);
         }
         #endregion
     }