feat：优化启动广告，视频播放

@@ -59,13 +59,14 @@ struct LaunchAdvertisingPage {
       Stack({alignContent:Alignment.Bottom}){
         Stack({alignContent:Alignment.Bottom}){
           Column(){
-            if(this.defaultModel.showType === '1'){
+            if(this.defaultModel.showType == '2'){
               //显示视频播放
               Video({
                 src: this.defaultModel.bootVideoUrl,
                 previewUri: this.defaultModel.bootVideoScreenUrl,
                 controller: this.controller
-              })
+              }).controls(false)
+                .autoPlay(true)
                 .objectFit(ImageFit.Contain) //设置视频适配模式
                 .width('100%')
                 .height('100%')