fix(17226)：人民号图集稿件下的图片进行下载时鸿蒙与安卓的提示信息和弹出位置不一致

@@ -24,6 +24,10 @@ export struct ImageDownloadComponent {
 
   build() {
     Column() {
+      // Image($r('app.media.save_detail_img'))
+      //   .width(24)
+      //   .height(24)
+      //   .margin({bottom:6})
       SaveButton({ icon: SaveIconStyle.LINES })
         .iconSize(24)
         .iconColor(Color.White)
@@ -33,7 +37,8 @@ export struct ImageDownloadComponent {
             await this.saveImage(this.imageBuffer);
             promptAction.showToast({
               message: $r('app.string.image_request_success'),
-              duration: 2000
+              duration: 2000,
+              alignment:Alignment.Center
             })
           }
         })

@@ -34,7 +34,7 @@
     },
     {
       "name": "image_request_success",
-      "value": "图片下载到图库成功"
+      "value": "已保存到相册"
     },
     {
       "name": "image_request_fail",

@@ -25,7 +25,9 @@ import { EmptyComponent,
   viewBlogItemInsightIntentShare} from 'wdComponent/Index';
 
 const TAG = 'MultiPictureDetailPageComponent';
-
+/**
+ * 多图（图集详情页）UI
+ */
 @Component
 export struct MultiPictureDetailPageComponent {
   private relId: string = ''