diff --git a/features/videoDetail/src/main/ets/view/VideoDetail.ets b/features/videoDetail/src/main/ets/view/VideoDetail.ets
index 54bac78d158e692f6eb9de31fee50abc3fe45da1..34589e6b376546ddf862bc549dd8f4bd90f481eb 100644
--- a/features/videoDetail/src/main/ets/view/VideoDetail.ets
+++ b/features/videoDetail/src/main/ets/view/VideoDetail.ets
@@ -233,7 +233,7 @@ export struct VideoDetail {
           .sideBarPosition(SideBarPosition.End)
           .sideBarWidth($r('app.float.side_bar_min_width'))
           .minSideBarWidth($r('app.float.side_bar_min_width'))
-          .maxSideBarWidth(px2vp(this.windowWidth * DetailConstants.COMMENTS_AREA_PERCENT))
+          .maxSideBarWidth(this.getUIContext().px2vp(this.windowWidth * DetailConstants.COMMENTS_AREA_PERCENT))
           // [End side_bar_container]
         }
         .height(CommonConstants.FULL_PERCENT)