diff --git a/list-3x/assets/lib/yx-collection-view.ts b/list-3x/assets/lib/yx-collection-view.ts
index cef975e..dbeb222 100644
--- a/list-3x/assets/lib/yx-collection-view.ts
+++ b/list-3x/assets/lib/yx-collection-view.ts
@@ -1,4 +1,4 @@
-import { _decorator, Component, Enum, Event, EventMouse, EventTouch, instantiate, Mask, math, Node, NodeEventType, NodePool, Prefab, ScrollView, UIOpacity, UITransform } from 'cc';
+import { _decorator, Component, Enum, Event, EventMouse, EventTouch, instantiate, Mask, math, Node, NodeEventType, NodePool, Prefab, ScrollView, UIOpacity, UITransform, Widget } from 'cc';
 const { ccclass, property, executionOrder, disallowMultiple, help } = _decorator;
 
 const _vec3Out = new math.Vec3()
@@ -294,6 +294,17 @@ class _scroll_view extends ScrollView {
         }
         return result
     }
+
+    set content(value) {
+        super.content = value;
+        if (value) {
+            value.on(NodeEventType.SIZE_CHANGED, this._calculateBoundary, this);
+            value.on(NodeEventType.TRANSFORM_CHANGED, this._scaleChanged, this);
+        }
+    }
+    get content() {
+        return super.content;
+    }
 }
 
 class _yx_node_pool extends NodePool {
@@ -563,7 +574,7 @@ export class YXCollectionView extends Component {
 
             let transform = content.getComponent(UITransform) || content.addComponent(UITransform)
             transform.contentSize = this.node.getComponent(UITransform).contentSize
-
+            this.getComponent(Widget).updateAlignment?.();
             result.content = content
         }
 
@@ -919,6 +930,7 @@ export class YXCollectionView extends Component {
      */
     reloadData() {
         if (this.node.activeInHierarchy && this.node.parent) {
+            // this.getComponent(Widget).updateAlignment?.();
             this._reloadData()
             return
         }