diff --git a/ListViewV2Demo/assets/Scene/helloworldTs.fire b/ListViewV2Demo/assets/Scene/helloworldTs.fire
index 9b8a106..1bd4a52 100644
--- a/ListViewV2Demo/assets/Scene/helloworldTs.fire
+++ b/ListViewV2Demo/assets/Scene/helloworldTs.fire
@@ -66,10 +66,10 @@
     "_active": true,
     "_components": [
       {
-        "__id__": 13
+        "__id__": 15
       },
       {
-        "__id__": 14
+        "__id__": 16
       }
     ],
     "_prefab": null,
@@ -231,14 +231,17 @@
     "_tag": -1,
     "_active": true,
     "_components": [
-      {
-        "__id__": 10
-      },
       {
         "__id__": 11
       },
       {
         "__id__": 12
+      },
+      {
+        "__id__": 13
+      },
+      {
+        "__id__": 14
       }
     ],
     "_prefab": null,
@@ -295,6 +298,9 @@
     "_components": [
       {
         "__id__": 9
+      },
+      {
+        "__id__": 10
       }
     ],
     "_prefab": null,
@@ -382,6 +388,34 @@
     "_opacityModifyRGB": false,
     "groupIndex": 0
   },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 7
+    },
+    "_enabled": true,
+    "isAlignOnce": true,
+    "_target": {
+      "__id__": 2
+    },
+    "_alignFlags": 40,
+    "_left": 130,
+    "_right": 130,
+    "_top": 0,
+    "_bottom": 0,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": true,
+    "_isAbsRight": true,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 700,
+    "_originalHeight": 0
+  },
   {
     "__type__": "cc.Mask",
     "_name": "",
@@ -422,6 +456,34 @@
     "_dstBlendFactor": 771,
     "_atlas": null
   },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 6
+    },
+    "_enabled": true,
+    "isAlignOnce": true,
+    "_target": {
+      "__id__": 2
+    },
+    "_alignFlags": 40,
+    "_left": 130,
+    "_right": 130,
+    "_top": 185,
+    "_bottom": 185,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": true,
+    "_isAbsRight": true,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 700,
+    "_originalHeight": 270
+  },
   {
     "__type__": "cc.ScrollView",
     "_name": "",
@@ -453,13 +515,13 @@
     },
     "_enabled": true,
     "scrollview": {
-      "__id__": 11
+      "__id__": 13
     },
     "content": {
       "__id__": 8
     },
     "mask": {
-      "__id__": 9
+      "__id__": 10
     },
     "prefab": {
       "__uuid__": "10c60cf0-420d-41d3-b409-ae1ebad07af7"
diff --git a/ListViewV2Demo/assets/Script/ListViewFactory.ts b/ListViewV2Demo/assets/Script/ListViewFactory.ts
index 417106a..1135500 100644
--- a/ListViewV2Demo/assets/Script/ListViewFactory.ts
+++ b/ListViewV2Demo/assets/Script/ListViewFactory.ts
@@ -1,4 +1,4 @@
-import { ListViewTs } from "./Listview/listview";
+import { ListViewTs, ListViewParams } from "./Listview/listview";
 
 const { ccclass, property } = cc._decorator;
 
@@ -36,7 +36,14 @@ export default class ListViewFactory extends cc.Component {
 
     listView: ListViewTs;
 
-    init(data) {
+    init(data: Array<any>) {
+        //下一帧执行，当使用widget适配高宽，可以取得真实长度。
+        this.scheduleOnce(() => {
+            this._init(data);
+        }, 0);
+    }
+
+    _init(data: Array<any>) {
         //初始化
         let item = cc.instantiate(this.prefab);
         this.listView = new ListViewTs({
diff --git a/ListViewV2Demo/assets/Script/Listview/ListView.ts b/ListViewV2Demo/assets/Script/Listview/ListView.ts
index 7edd263..e947d4f 100644
--- a/ListViewV2Demo/assets/Script/Listview/ListView.ts
+++ b/ListViewV2Demo/assets/Script/Listview/ListView.ts
@@ -804,7 +804,7 @@ export enum ListViewDir {
     Horizontal = 2,
 }
 
-type ListViewParams = {
+export type ListViewParams = {
     scrollview: cc.ScrollView;
     mask: cc.Mask;
     content: cc.Node;