diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index e9b1a5a2a..50ec58bdc 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -333,11 +333,10 @@
                 if (isFunction(handler.onloadstart)) {
                     handler.onloadstart(rpe, {});
                 }
-                with (document.body || document.documentElement) {
-                    appendChild(iframe);
-                    appendChild(form);
-                    form.submit();
-                }
+                var d = document.body || document.documentElement;
+                d.appendChild(iframe);
+                d.appendChild(form);
+                form.submit();
 
                 return handler;
             };
@@ -652,7 +651,7 @@
             });
         },
 
-        setMaxFileLength: function(v) {
+        setMaxFileLength: function (v) {
             this.options.maxLength = v;
             if (this.wrap) {
                 this.wrap.maxLength = v;
diff --git a/src/core/func/function.js b/src/core/func/function.js
index 05c8fe78a..2d3f9a3e8 100644
--- a/src/core/func/function.js
+++ b/src/core/func/function.js
@@ -40,16 +40,14 @@ _.extend(BI.Func, {
      * @param items
      * @param keyword
      * @param param  搜索哪个属性
-     * @param clone  是否需要deepClone
      */
-    getSearchResult: function (items, keyword, param, clone) {
+    getSearchResult: function (items, keyword, param) {
         var isArray = BI.isArray(items);
         items = isArray ? BI.flatten(items) : items;
         param || (param = "text");
-        BI.isNull(clone) && (clone = true);
         if (!BI.isKey(keyword)) {
             return {
-                find: clone ? BI.deepClone(items) : items,
+                find: items,
                 match: isArray ? [] : {}
             };
         }
@@ -61,7 +59,6 @@ _.extend(BI.Func, {
             if (BI.isNull(item)) {
                 return;
             }
-            clone && (item = BI.deepClone(item));
             t = BI.stripEL(item);
             text = BI.find([t[param], t.text, t.value, t.name, t], function (index, val) {
                 return BI.isNotNull(val);
diff --git a/typescript/base/combination/combo.ts b/typescript/base/combination/combo.ts
index bec2a7b75..249e7e6f2 100644
--- a/typescript/base/combination/combo.ts
+++ b/typescript/base/combination/combo.ts
@@ -34,6 +34,7 @@ export declare class Combo extends Widget {
         adjustYOffset?: number;
         hideChecker?: Function;
         offsetStyle?: 'left' | 'right' | 'center';
+        value?:any;
         el?: any;
         popup?: any;
         comboClass?: string;
diff --git a/typescript/core/utils/tree.ts b/typescript/core/utils/tree.ts
index c300ad100..643d99cd0 100644
--- a/typescript/core/utils/tree.ts
+++ b/typescript/core/utils/tree.ts
@@ -43,8 +43,8 @@ export declare class Tree {
   postOrderTraverse(callback: Function): void;
   nrPostOrderTraverse(callback: Function): void;
   static transformToArrayFormat<T>(nodes: T | T[], pId: any, childKey?: string): T[];
-  static arrayFormat(nodes: Node | Node[], pId: any): Node[];
-  static transformToTreeFormat<T>(sNodes: T[]): Node[];
-  static treeFormat(sNodes: Node | Node[]): Node[];
-  static traversal(array: Node[], callback: Function, pNode: Node): void;
+  static arrayFormat<T>(nodes: T | T[], pId: any): T[];
+  static transformToTreeFormat<T>(sNodes: T[]): T[];
+  static treeFormat<T>(sNodes: T | T[]): T[];
+  static traversal<T>(array: T[], callback: (index:number,node:T,pNode?:T)=> boolean | void, pNode?: T): void;
 }
diff --git a/typescript/core/wrapper/layout/sticky/sticky.horizontal.ts b/typescript/core/wrapper/layout/sticky/sticky.horizontal.ts
new file mode 100644
index 000000000..900be7c45
--- /dev/null
+++ b/typescript/core/wrapper/layout/sticky/sticky.horizontal.ts
@@ -0,0 +1,5 @@
+import { Layout } from "../../layout";
+
+export declare class HorizontalStickyLayout extends Layout {
+    static xtype: string;
+}
diff --git a/typescript/core/wrapper/layout/sticky/sticky.vertical.ts b/typescript/core/wrapper/layout/sticky/sticky.vertical.ts
new file mode 100644
index 000000000..f5a07b44e
--- /dev/null
+++ b/typescript/core/wrapper/layout/sticky/sticky.vertical.ts
@@ -0,0 +1,5 @@
+import { Layout } from "../../layout";
+
+export declare class VerticalStickyLayout extends Layout {
+    static xtype: string;
+}
diff --git a/typescript/index.ts b/typescript/index.ts
index 619ab72ce..fa18bc8da 100644
--- a/typescript/index.ts
+++ b/typescript/index.ts
@@ -181,6 +181,8 @@ import { TdLayout } from './core/wrapper/layout/layout.td';
 import { MultiLayerSelectLevelTree } from './widget/multilayerselecttree/multilayerselecttree.leveltree';
 import { SelectTreeExpander } from './widget/selecttree/selecttree.expander';
 import { DownListGroupItem } from "./widget/downlist/item.downlistgroup";
+import { VerticalStickyLayout } from "./core/wrapper/layout/sticky/sticky.vertical";
+import { HorizontalStickyLayout } from "./core/wrapper/layout/sticky/sticky.horizontal";
 import './shims-tsx';
 
 
@@ -370,6 +372,8 @@ export interface BI extends _func, _i18n, _base, _inject, _var, _web, _utils {
     MultiLayerSelectLevelTree: typeof MultiLayerSelectLevelTree;
     SelectTreeExpander: typeof SelectTreeExpander;
     DownListGroupItem: typeof DownListGroupItem;
+    VerticalStickyLayout: typeof VerticalStickyLayout;
+    HorizontalStickyLayout: typeof HorizontalStickyLayout;
 }
 
 export default {
@@ -558,4 +562,6 @@ export {
     SelectTreeExpander,
     DirectionPager,
     DownListGroupItem,
+    HorizontalStickyLayout,
+    VerticalStickyLayout,
 };