diff --git a/package.json b/package.json
index b9cd0f7767..de8cfb3603 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@antv/l7",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Large-scale WebGL-powered Geospatial Data Visualization",
   "main": "build/l7.js",
   "browser": "build/l7.js",
diff --git a/src/core/layer.js b/src/core/layer.js
index 90f49cc2d3..a3ea07a668 100644
--- a/src/core/layer.js
+++ b/src/core/layer.js
@@ -89,6 +89,7 @@ export default class Layer extends Base {
       const zoom = this.scene.getZoom();
       object.material.setUniformsValue('u_time', this.scene._engine.clock.getElapsedTime());
       object.material.setUniformsValue('u_zoom', zoom);
+      this._preRender();
 
     };
     // 更新
@@ -280,7 +281,11 @@ export default class Layer extends Base {
       this.off('mouseleave', resetHander);
     }
   }
-
+  setActive(id, color) {
+    this._activeIds = id;
+    this.layerMesh.material.setUniformsValue('u_activeId', id);
+    this.layerMesh.material.setUniformsValue('u_activeColor', ColorUtil.color2RGBA(color));
+  }
   _addActiveFeature(e) {
     const { featureId } = e;
     this._activeIds = featureId;
@@ -624,7 +629,7 @@ export default class Layer extends Base {
     this.scene.off('zoomchange', this._zoomchangeHander);
     this.destroyed = true;
   }
-  _preRender() {
+  preRender() {
 
   }
 }
diff --git a/src/util/geo.js b/src/util/geo.js
index fca8dd519d..1830562536 100644
--- a/src/util/geo.js
+++ b/src/util/geo.js
@@ -12,15 +12,15 @@ export function extent(data) {
   return extent;
 }
 function calcExtent(extent, coords) {
-  coords.forEach(coord => {
-    if (Array.isArray(coord[0])) {
+  if (Array.isArray(coords[0])) {
+    coords.forEach(coord => {
       calcExtent(extent, coord);
-    } else {
-      if (extent[0] > coord[0]) extent[0] = coord[0];
-      if (extent[1] > coord[1]) extent[1] = coord[1];
-      if (extent[2] < coord[0]) extent[2] = coord[0];
-      if (extent[3] < coord[1]) extent[3] = coord[1];
-    }
-  });
+    });
+  } else {
+    if (extent[0] > coords[0]) extent[0] = coords[0];
+    if (extent[1] > coords[1]) extent[1] = coords[1];
+    if (extent[2] < coords[0]) extent[2] = coords[0];
+    if (extent[3] < coords[1]) extent[3] = coords[1];
+  }
   return extent;
 }