diff --git a/src/views/bigScreen/cesiumtest.vue b/src/views/bigScreen/cesiumtest.vue
index 64f3f86b..ea65cff6 100644
--- a/src/views/bigScreen/cesiumtest.vue
+++ b/src/views/bigScreen/cesiumtest.vue
@@ -418,9 +418,11 @@ export default {
 		var url = "photon_tree.glb";
 		var height = 0;
 		viewer.entities.removeAll(); //加载之前先清楚所有entity
+    // 88.64349,
+		// 42.72285,
 		var position = Cesium.Cartesian3.fromDegrees(
-			88.64349,
-			42.72285,
+			88.69159,
+			42.73185,
 			height
 		);
 		var heading = Cesium.Math.toRadians(191); //310度转弧度
@@ -818,8 +820,10 @@ export default {
 	},
 	beforeUnmount() {
 		// viewer.destroy();
+    this.viewer.entities.removeAll()
 		this.viewer = null;
 	},
+
 };
 </script>
 <style>