diff --git a/src/views/overview/overviewSimple.vue b/src/views/overview/overviewSimple.vue
index d1348f2..e84681b 100644
--- a/src/views/overview/overviewSimple.vue
+++ b/src/views/overview/overviewSimple.vue
@@ -630,7 +630,7 @@
           yw_model_layer = new mars3d.layer.GraphicLayer()
           window.map.addLayer(yw_model_layer)
 
-          if (yw_icon_layer !== null) window.map.removeLayer(zs_icon_layer)
+          if (yw_icon_layer !== null) window.map.removeLayer(yw_icon_layer)
           yw_icon_layer = new mars3d.layer.GraphicLayer()
           window.map.addLayer(yw_icon_layer)
           if (response.data.length > 0) {