退出全屏 ，需要水印3

src/components/VideoPlayer/index.vue

@@ -389,6 +389,7 @@ export default {
       this.isFullscreen = this.isFullScreen();
     });
     document.addEventListener('fullscreenchange', handleFullscreenChange);
+    document.addEventListener('webkitfullscreenchange', handleFullscreenChange);
     // this.videoDom.addEventListener('keydown', function(e){
     //   //console.log('\x1b[31m%s\x1b[0m','*****************加载失败**********')
     //   console.log("video is exit");