bugfix

src/nodes/track/trackNode.cpp

@@ -10,7 +10,7 @@ void TrackNode::handle_data(std::shared_ptr<meta::MetaData>& meta_data)
         return;
     }
     std::vector<Object> objects;
-    for (const auto& box : metaData->boxes) 
+    for (const auto& box : meta_data->boxes) 
     {
         // 只处理需要的 label
         if (box.label == track_label_) { 
@@ -31,7 +31,7 @@ void TrackNode::handle_data(std::shared_ptr<meta::MetaData>& meta_data)
 
     for (const auto& track : output_stracks) {
         const std::vector<float>& tlwh = track.tlwh;
-        metaData->track_boxes.emplace_back(tlwh[0], tlwh[1], tlwh[0] + tlwh[2], tlwh[1] + tlwh[3], track.score, track.track_id, track_label_);
+        meta_data->track_boxes.emplace_back(tlwh[0], tlwh[1], tlwh[0] + tlwh[2], tlwh[1] + tlwh[3], track.score, track.track_id, track_label_);
     }
 
 };