diff --git a/Editor/RecyclerView/RecyclerViewEditor.cs b/Editor/RecyclerView/RecyclerViewEditor.cs
index 66bbbf5..f040e2c 100644
--- a/Editor/RecyclerView/RecyclerViewEditor.cs
+++ b/Editor/RecyclerView/RecyclerViewEditor.cs
@@ -418,7 +418,7 @@ public class RecyclerViewEditor : Editor
         if (rv == null) return;
         if (_showScrollBar.boolValue)
         {
-            Direction direction = (Direction)alignment.enumValueIndex;
+            Direction direction = (Direction)this.direction.enumValueIndex;
             if (direction == Direction.Vertical)
             {
                 const string path = "Packages/com.alicizax.unity.ui.extension/Editor/RecyclerView/Res/vertical.prefab";
diff --git a/Runtime/RecyclerView/Layout/LayoutManager.cs b/Runtime/RecyclerView/Layout/LayoutManager.cs
index 8082587..c2295af 100644
--- a/Runtime/RecyclerView/Layout/LayoutManager.cs
+++ b/Runtime/RecyclerView/Layout/LayoutManager.cs
@@ -7,6 +7,7 @@ namespace AlicizaX.UI.RecyclerView
     public abstract class LayoutManager : ILayoutManager
     {
         protected Vector2 viewportSize;
+
         public Vector2 ViewportSize
         {
             get => viewportSize;
@@ -14,6 +15,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Vector2 contentSize;
+
         public Vector2 ContentSize
         {
             get => contentSize;
@@ -21,6 +23,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Vector2 contentOffset;
+
         public Vector2 ContentOffset
         {
             get => contentOffset;
@@ -28,6 +31,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Vector2 viewportOffset;
+
         public Vector2 ViewportOffset
         {
             get => viewportOffset;
@@ -35,6 +39,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected IAdapter adapter;
+
         public IAdapter Adapter
         {
             get => adapter;
@@ -42,6 +47,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected ViewProvider viewProvider;
+
         public ViewProvider ViewProvider
         {
             get => viewProvider;
@@ -49,6 +55,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected RecyclerView recyclerView;
+
         public virtual RecyclerView RecyclerView
         {
             get => recyclerView;
@@ -56,6 +63,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Direction direction;
+
         public Direction Direction
         {
             get => direction;
@@ -63,6 +71,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Alignment alignment;
+
         public Alignment Alignment
         {
             get => alignment;
@@ -70,6 +79,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Vector2 spacing;
+
         public Vector2 Spacing
         {
             get => spacing;
@@ -77,6 +87,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected Vector2 padding;
+
         public Vector2 Padding
         {
             get => padding;
@@ -84,6 +95,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected int unit = 1;
+
         public int Unit
         {
             get => unit;
@@ -91,6 +103,7 @@ namespace AlicizaX.UI.RecyclerView
         }
 
         protected bool canScroll;
+
         public bool CanScroll
         {
             get => canScroll;
@@ -99,7 +112,9 @@ namespace AlicizaX.UI.RecyclerView
 
         public float ScrollPosition => recyclerView.GetScrollPosition();
 
-        public LayoutManager() { }
+        public LayoutManager()
+        {
+        }
 
         public void SetContentSize()
         {
@@ -120,9 +135,7 @@ namespace AlicizaX.UI.RecyclerView
         public virtual void Layout(ViewHolder viewHolder, int index)
         {
             Vector2 pos = CalculatePosition(index);
-            Vector3 position = direction == Direction.Vertical ?
-                                new Vector3(pos.x - contentOffset.x, -pos.y + contentOffset.y, 0) :
-                                new Vector3(pos.x - contentOffset.x, -pos.y + contentOffset.y, 0);
+            Vector3 position = direction == Direction.Vertical ? new Vector3(pos.x - contentOffset.x, -pos.y + contentOffset.y, 0) : new Vector3(pos.x - contentOffset.x, -pos.y + contentOffset.y, 0);
             viewHolder.RectTransform.anchoredPosition3D = position;
         }
 
@@ -142,7 +155,9 @@ namespace AlicizaX.UI.RecyclerView
 
         public abstract int PositionToIndex(float position);
 
-        public virtual void DoItemAnimation() { }
+        public virtual void DoItemAnimation()
+        {
+        }
 
         public virtual bool IsFullVisibleStart(int index)
         {
@@ -207,6 +222,7 @@ namespace AlicizaX.UI.RecyclerView
             {
                 len = alignment == Alignment.Center ? Mathf.Min(contentSize.x, viewportSize.x) : viewportSize.x;
             }
+
             return len;
         }
 
@@ -218,9 +234,9 @@ namespace AlicizaX.UI.RecyclerView
 
     public enum Direction
     {
-        Vertical = 1,
-        Horizontal = 2,
-        Custom = 10
+        Vertical,
+        Horizontal,
+        Custom,
     }
 
     public enum Alignment