diff --git a/mhvor.html b/mhvor.html
index 260457f..359fe48 100644
--- a/mhvor.html
+++ b/mhvor.html
@@ -144,7 +144,6 @@
 						scale: 0.5,
 						width: 36,
 						height: 28,
-					  distanceDisplayCondition : new Cesium.DistanceDisplayCondition(10.0, 20000.0),
 					  },
 					  label: {
 						fillColor: {
@@ -253,12 +252,12 @@
 			
 			// 相机高度
 			let camera_height = viewer.camera.positionCartographic.height;
-			// 相机高度+地球最大半径
+			// 相机高度+地球最大半径                                                         
 			let height_total = camera_height + viewer.scene.globe.ellipsoid.maximumRadius
-			// 实体和相机之间的距离
+			// 实体和相机之间的距离 
 			let distance_camera_entity = Cesium.Cartesian3.distance(viewer.camera.position, cartesian)
 			
-			if (((distance_camera_entity < height_total)) && camera_height < 500000) {
+			if (((distance_camera_entity < height_total)) && camera_height < 200000) {
 				container.style.visibility = "visible"
 			} else {
 				container.style.visibility = "hidden"