diff --git a/demos/01_circle.html b/demos/01_circle.html
index cb43185a1b..3236c5aa79 100644
--- a/demos/01_circle.html
+++ b/demos/01_circle.html
@@ -47,7 +47,7 @@
           opacity: 0.9
         }).render();
 
-    scene.TextLayer({
+   const layer2 =  scene.PointLayer({
       zIndex: 5
     })
      .source(data)
@@ -73,7 +73,6 @@
         
         
         
-        
         const popup = new L7.Popup({anchor:'left'}).setText('hello world')
         const marker = new L7.Marker({color:'blue'})
         .setLnglat( [120.19382669582967, 30.258134])
diff --git a/demos/01_point_circle.html b/demos/01_point_circle.html
index 8014217389..dd49aafa4c 100644
--- a/demos/01_point_circle.html
+++ b/demos/01_point_circle.html
@@ -54,7 +54,7 @@ window.scene = scene;
 scene.on('loaded', () => {
   $.get('https://gw.alipayobjects.com/os/rmsportal/epnZEheZeDgsiSjSPcCv.json', data => {
     console.log(data);
-    const circleLayer = = scene.PointLayer({
+    const circleLayer  = scene.PointLayer({
       zIndex: 0,
     })
     .source(data,{
@@ -70,8 +70,8 @@ scene.on('loaded', () => {
       opacity: 1
     })
      .render();
-
-  scene.TextLayer({
+   
+   scene.PointLayer({
       zIndex: 5
     })
      .source(circleLayer.layerSource)
@@ -91,7 +91,8 @@ scene.on('loaded', () => {
     })
     .render();
     
-});
+  
+ });
 });
 </script>
 </body>
diff --git a/src/core/layer.js b/src/core/layer.js
index 6a1250b82e..a4c37c6000 100644
--- a/src/core/layer.js
+++ b/src/core/layer.js
@@ -608,7 +608,7 @@ export default class Layer extends Base {
    */
   destroy() {
     this.removeAllListeners();
-    this.clearAllInteractions();
+    this.get('interacionController').clearAllInteractions();
     this.clearMapEvent();
     if (this._object3D.type === 'composer') {
       this.remove(this._object3D);
@@ -639,7 +639,6 @@ export default class Layer extends Base {
       }
     }
     this.layerMesh.geometry = null;
-    this.layerMesh.material.dispose();
     this.layerMesh.material = null;
     if (this._pickingMesh) {
       this._pickingMesh.children[0].geometry = null;