fix |> 今日文章详情页滑动到评论区时评论图标显示正文

@@ -520,6 +520,11 @@ export struct ImageAndTextPageComponent {
       this.lastTimeoutId = setTimeout(() => {
         let offSetY = this.info?.globalPosition.y as number
         Logger.debug(TAG, "即将滚动至yOffset: " + (offSetY - 100))
+        if (offSetY >= (this.screenHeight-this.bottomHeight) ) {
+          this.showMainText = true
+        }else {
+          this.showMainText = false
+        }
         //头部距离48
         this.scroller.scrollTo({
           yOffset: offSetY - 100,