diff --git a/ShadowEditor.Web/src/gis/render/TiledLayerRenderer.js b/ShadowEditor.Web/src/gis/render/TiledLayerRenderer.js
index 380f2352..04e12594 100644
--- a/ShadowEditor.Web/src/gis/render/TiledLayerRenderer.js
+++ b/ShadowEditor.Web/src/gis/render/TiledLayerRenderer.js
@@ -28,10 +28,13 @@ TiledLayerRenderer.prototype.render = function (layer) {
     var alt = this.globe.alt;
 
     this.mesh.material.length = 0;
+    this.mesh.geometry.groups.length = 0;
 
-    this.creator.get(lon, lat, alt).forEach(n => {
+    this.creator.get(lon, lat, alt).forEach((n, i) => {
         if (n.material) {
+            n.material.group.materialIndex = i;
             this.mesh.material.push(n.material);
+            this.mesh.geometry.groups.push(n.material.group);
         }
     });
 };
diff --git a/ShadowEditor.Web/src/gis/render/geometry/TiledGeometry.js b/ShadowEditor.Web/src/gis/render/geometry/TiledGeometry.js
index 71582ac7..6bd5b580 100644
--- a/ShadowEditor.Web/src/gis/render/geometry/TiledGeometry.js
+++ b/ShadowEditor.Web/src/gis/render/geometry/TiledGeometry.js
@@ -4,16 +4,10 @@ import WGS84 from '../../core/WGS84';
  * 瓦片几何体
  */
 function TiledGeometry() {
-    THREE.SphereBufferGeometry.call(this, WGS84.a, 16, 16);
-
-    this.groups = [{
-        start: 0,
-        count: 1440,
-        materialIndex: 0
-    }];
+    THREE.PlaneBufferGeometry.call(this, WGS84.a, WGS84.a);
 }
 
-TiledGeometry.prototype = Object.create(THREE.SphereBufferGeometry.prototype);
+TiledGeometry.prototype = Object.create(THREE.PlaneBufferGeometry.prototype);
 TiledGeometry.prototype.constructor = TiledGeometry;
 
 export default TiledGeometry;
\ No newline at end of file
diff --git a/ShadowEditor.Web/src/gis/render/material/TiledMaterial.js b/ShadowEditor.Web/src/gis/render/material/TiledMaterial.js
index ce0abde0..0dd124d2 100644
--- a/ShadowEditor.Web/src/gis/render/material/TiledMaterial.js
+++ b/ShadowEditor.Web/src/gis/render/material/TiledMaterial.js
@@ -33,6 +33,8 @@ function TiledMaterial(x, y, z) {
             value: new THREE.TextureLoader().load((new BingTileSystem()).tileXYToUrl(x, y, z))
         }
     };
+
+    this.group = { start: 0, count: 6, materialIndex: 0 };
 }
 
 TiledMaterial.prototype = Object.create(THREE.ShaderMaterial.prototype);