feat：优化启动广告

@@ -8,7 +8,6 @@ import LaunchDataModel, { defaultLaunchModel } from '../viewModel/LaunchDataMode
 import { ParamType, TrackConstants, TrackingButton, TrackingContent } from 'wdTracking/Index';
 import { ContentDTO } from 'wdBean/Index';
 
-
 @Entry
 @Component
 struct LaunchAdvertisingPage {
@@ -19,6 +18,18 @@ struct LaunchAdvertisingPage {
   @State defaultModel:defaultLaunchModel = new defaultLaunchModel()
   @State dataModel : LaunchDataModel = {} as LaunchDataModel
   private controller:VideoController | undefined;
+  @StorageProp('currentBreakpoint') @Watch("currentChanged")currentBreakpoint: string = 'sm';
+
+  @State isPad:boolean = this.currentBreakpoint == "md" || this.currentBreakpoint == "lg"?true:false
+
+  currentChanged(){
+    if(this.currentBreakpoint == "md" || this.currentBreakpoint == "lg"){
+      //大屏幕  折叠屏 或者ipad
+      this.isPad = true
+    }else {
+      this.isPad = false
+    }
+  }
 
   enter() {
     WDRouterRule.jumpWithReplacePage(WDRouterPage.mainPage)
@@ -78,7 +89,7 @@ struct LaunchAdvertisingPage {
             }else {
               //显示图片
               Image(this.defaultModel.bootScreenUrl)
-                .objectFit(ImageFit.Contain)
+                .objectFit(this.isPad?ImageFit.Contain:ImageFit.Fill)
                   // .expandSafeArea([SafeAreaType.SYSTEM], [SafeAreaEdge.TOP, SafeAreaEdge.BOTTOM])
                 .width('100%')
                 .height('100%')