labelVectorLayer= new SuperMap.Layer.Vector("labelVectorLayer",{strategies: [strategy]});
    map.addLayers([labelVectorLayer]);
    var callbacks={
      click: function(currentFeature){
          alert(1);
           }
  };
  selectFeature = new SuperMap.Control.SelectFeature(labelVectorLayer, { callbacks: callbacks });
  map.addControl(selectFeature);
  selectFeature.activate();