feat：优化折叠屏展示

@@ -219,7 +219,7 @@ export struct MultiPictureDetailItemComponent {
       }
       .scrollable(ScrollDirection.Vertical)
       .scrollBarWidth(0)
-      .height(this.imageDefaultSize.height || "100%")
+      // .height(this.imageDefaultSize.height || "100%")
     }
     .onBlur(() => {
       this.resetCurrentImageInfo();

@@ -249,11 +249,11 @@ export struct DetailPlayShortVideoPage {
     // 视频宽高比屏幕大，则宽度撑满
     if (this.ratio > width / height) {
       this.playerWidth = '100%'
-      this.playerHeight = px2vp(width / this.ratio)
+      this.playerHeight = width / this.ratio
     } else {
       // 否则高度撑满
       this.playerHeight = '100%'
-      this.playerWidth = px2vp(height * this.ratio)
+      this.playerWidth = height * this.ratio
     }
     console.log('calculatePlayerRect=====', width, height)
 

@@ -166,8 +166,9 @@ struct LaunchPage {
 
     Stack({alignContent:Alignment.Bottom}){
       Image($r('app.media.LaunchPage_logo'))
-        .width(139)
-        .height(87)
+        .width(150)
+        .height(72)
+        .objectFit(ImageFit.Auto)
         .margin({
           bottom:24
         })