diff --git a/src/page/index/HandTrack/index.vue b/src/page/index/HandTrack/index.vue
index 2c7d889..81ed33d 100644
--- a/src/page/index/HandTrack/index.vue
+++ b/src/page/index/HandTrack/index.vue
@@ -192,10 +192,29 @@ export default {
 				.getUserMedia(constraints)
 				.then((stream) => {
 					if (stream) {
-						const tracks = stream.getTracks();
-						tracks.forEach(function (track) {
-							track.stop();
-						});
+						if (typeof stream.stop === "function") {
+							stream.stop();
+						} else {
+							let trackList = [
+								stream.getAudioTracks(),
+								stream.getVideoTracks(),
+							];
+							for (let i = 0; i < trackList.length; i++) {
+								let tracks = trackList[i];
+								if (tracks && tracks.length > 0) {
+									for (let j = 0; j < tracks.length; j++) {
+										let track = tracks[j];
+										if (typeof track.stop === "function") {
+											track.stop();
+										}
+									}
+								}
+							}
+						}
+						// const tracks = stream.getTracks();
+						// tracks.forEach(function (track) {
+						// 	track.stop();
+						// });
 
 						// stopStreamTracks(stream);
 						return true;
@@ -686,6 +705,7 @@ export default {
 		},
 		// 更新场景内元素的位置
 		updatePosition(x, y, scale) {
+			if (!this.renderer_) return;
 			gsap.to(this.renderer_.domElement, { autoAlpha: 1 });
 
 			if (this.mesh_) {
@@ -713,6 +733,7 @@ export default {
 		},
 		// hide all
 		hideAll() {
+			if (!this.renderer_) return;
 			gsap.to(this.renderer_.domElement, { autoAlpha: 0 });
 		},
 		animate() {
@@ -721,6 +742,7 @@ export default {
 		},
 		// THREE canvas render
 		Render() {
+			if (!this.renderer_) return;
 			this.stats.update();
 			this.renderer_.render(this.scene_, this.camera_);
 			if (this.lineBox) {