diff --git a/Assets/Scripts/Component/UI/BFScrollRect/BFScrollRectCommon.cs b/Assets/Scripts/Component/UI/BFScrollRect/BFScrollRectCommon.cs
index 156f6eac6..50cdc66e2 100644
--- a/Assets/Scripts/Component/UI/BFScrollRect/BFScrollRectCommon.cs
+++ b/Assets/Scripts/Component/UI/BFScrollRect/BFScrollRectCommon.cs
@@ -548,7 +548,7 @@ namespace BF
             if (direction == BFUIDirection.Vertical)
             {
                 float moveDistance = cellHeight * Mathf.Floor((index - 1)*1.0f/perLineNum);
-                float moveHeight = Mathf.Min(moveDistance, ContentTrans.sizeDelta.y - ViewPortTrans.sizeDelta.y);
+                float moveHeight = Mathf.Min(moveDistance, ContentTrans.rect.size.y - ViewPortTrans.rect.size.y);
                 if(this.reverse)
                 {
                     ContentTrans.anchoredPosition = new Vector2(ContentTrans.anchoredPosition.x, -moveHeight);
@@ -561,7 +561,7 @@ namespace BF
             else
             {
                 float moveDistance = cellWidth * Mathf.Floor((index - 1)*1.0f/perLineNum);
-                float moveWidth = Mathf.Min(moveDistance, ContentTrans.sizeDelta.x - ViewPortTrans.sizeDelta.x);
+                float moveWidth = Mathf.Min(moveDistance, ContentTrans.rect.size.x - ViewPortTrans.rect.size.x);
                 if(this.reverse)
                 {
                     ContentTrans.anchoredPosition = new Vector2(moveWidth, ContentTrans.anchoredPosition.y);