diff --git a/app/window/mainwindow/mainwindow.cpp b/app/window/mainwindow/mainwindow.cpp
index cf5424700..a071b3c39 100644
--- a/app/window/mainwindow/mainwindow.cpp
+++ b/app/window/mainwindow/mainwindow.cpp
@@ -493,8 +493,8 @@ TimelinePanel* MainWindow::AppendTimelinePanel()
   connect(panel, &TimelinePanel::TimeChanged, param_panel_, &ParamPanel::SetTimestamp);
   connect(panel, &TimelinePanel::TimeChanged, table_panel_, &NodeTablePanel::SetTimestamp);
   connect(panel, &TimelinePanel::TimeChanged, sequence_viewer_panel_, &SequenceViewerPanel::SetTimestamp);
-  //connect(panel, &TimelinePanel::BlocksSelected, node_panel_, &NodePanel::SelectBlocks);
-  //connect(panel, &TimelinePanel::BlocksDeselected, node_panel_, &NodePanel::DeselectBlocks);
+  connect(panel, &TimelinePanel::BlocksSelected, node_panel_, &NodePanel::SelectBlocks);
+  connect(panel, &TimelinePanel::BlocksDeselected, node_panel_, &NodePanel::DeselectBlocks);
   connect(param_panel_, &ParamPanel::TimeChanged, panel, &TimelinePanel::SetTimestamp);
   connect(curve_panel_, &ParamPanel::TimeChanged, panel, &TimelinePanel::SetTimestamp);
   connect(sequence_viewer_panel_, &SequenceViewerPanel::TimeChanged, panel, &TimelinePanel::SetTimestamp);