diff --git a/src/util/layoutconfig.ts b/src/util/layoutconfig.ts
index b074056f..377333db 100644
--- a/src/util/layoutconfig.ts
+++ b/src/util/layoutconfig.ts
@@ -17,9 +17,9 @@ import { Gravity } from "./gravity";
 import { Modeling } from "./types";
 
 export enum LayoutSpec {
-    EXACTLY = 0,
-    WRAP_CONTENT = 1,
-    AT_MOST = 2,
+    JUST = 0,
+    FIT = 1,
+    MOST = 2,
 }
 
 export interface LayoutConfig {
@@ -49,35 +49,35 @@ export class LayoutConfigImpl implements LayoutConfig, Modeling {
     //Only affective in VLayout or HLayout
     weight?: number
 
-    wrap() {
-        this.widthSpec = LayoutSpec.WRAP_CONTENT
-        this.heightSpec = LayoutSpec.WRAP_CONTENT
+    fit() {
+        this.widthSpec = LayoutSpec.FIT
+        this.heightSpec = LayoutSpec.FIT
         return this
     }
 
-    atmost() {
-        this.widthSpec = LayoutSpec.AT_MOST
-        this.heightSpec = LayoutSpec.AT_MOST
+    most() {
+        this.widthSpec = LayoutSpec.MOST
+        this.heightSpec = LayoutSpec.MOST
         return this
     }
 
-    exactly() {
-        this.widthSpec = LayoutSpec.EXACTLY
-        this.heightSpec = LayoutSpec.EXACTLY
+    just() {
+        this.widthSpec = LayoutSpec.JUST
+        this.heightSpec = LayoutSpec.JUST
         return this
     }
 
-    w(w: LayoutSpec) {
+    configWidth(w: LayoutSpec) {
         this.widthSpec = w
         return this
     }
 
-    h(h: LayoutSpec) {
+    configHeight(h: LayoutSpec) {
         this.heightSpec = h
         return this
     }
 
-    m(m: {
+    configMargin(m: {
         left?: number,
         right?: number,
         top?: number,
@@ -87,12 +87,12 @@ export class LayoutConfigImpl implements LayoutConfig, Modeling {
         return this
     }
 
-    a(a: Gravity) {
+    configAligmnet(a: Gravity) {
         this.alignment = a
         return this
     }
 
-    wg(w: number) {
+    configWeight(w: number) {
         this.weight = w
         return this
     }
diff --git a/src/widget/flowlayout.ts b/src/widget/flowlayout.ts
index 61d3191e..16915649 100644
--- a/src/widget/flowlayout.ts
+++ b/src/widget/flowlayout.ts
@@ -123,7 +123,7 @@ export function flowlayout(config: IFlowLayout) {
 
 export function flowItem(item: View) {
     return (new FlowLayoutItem).also((it) => {
-        it.layoutConfig = layoutConfig().wrap()
+        it.layoutConfig = layoutConfig().fit()
         it.addChild(item)
     })
 }
diff --git a/src/widget/image.ts b/src/widget/image.ts
index 2d5d693a..c713ea93 100644
--- a/src/widget/image.ts
+++ b/src/widget/image.ts
@@ -46,7 +46,7 @@ export class Image extends View implements IImage {
 
 export function image(config: IImage) {
     const ret = new Image
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let key in config) {
         Reflect.set(ret, key, Reflect.get(config, key, config), ret)
     }
diff --git a/src/widget/layouts.ts b/src/widget/layouts.ts
index 9162af66..b0c8fa66 100644
--- a/src/widget/layouts.ts
+++ b/src/widget/layouts.ts
@@ -53,7 +53,7 @@ export class HLayout extends LinearLayout implements IHLayout {
 
 export function stack(views: View[]) {
     const ret = new Stack
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let v of views) {
         ret.addChild(v)
     }
@@ -62,7 +62,7 @@ export function stack(views: View[]) {
 
 export function hlayout(views: View[]) {
     const ret = new HLayout
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let v of views) {
         ret.addChild(v)
     }
@@ -71,7 +71,7 @@ export function hlayout(views: View[]) {
 
 export function vlayout(views: View[]) {
     const ret = new VLayout
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let v of views) {
         ret.addChild(v)
     }
diff --git a/src/widget/list.ts b/src/widget/list.ts
index 08a1cdfa..99e3dde6 100644
--- a/src/widget/list.ts
+++ b/src/widget/list.ts
@@ -111,7 +111,7 @@ export function list(config: IList) {
 
 export function listItem(item: View) {
     return (new ListItem).also((it) => {
-        it.layoutConfig = layoutConfig().atmost().h(LayoutSpec.WRAP_CONTENT)
+        it.layoutConfig = layoutConfig().most().configHeight(LayoutSpec.FIT)
         it.addChild(item)
     })
 }
diff --git a/src/widget/refreshable.ts b/src/widget/refreshable.ts
index 0a21bcc3..7b78e31a 100644
--- a/src/widget/refreshable.ts
+++ b/src/widget/refreshable.ts
@@ -52,7 +52,7 @@ export class Refreshable extends Superview implements IRefreshable {
 
 export function refreshable(config: IRefreshable) {
     const ret = new Refreshable
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let key in config) {
         Reflect.set(ret, key, Reflect.get(config, key, config), ret)
     }
diff --git a/src/widget/scroller.ts b/src/widget/scroller.ts
index c0155cd0..965a0225 100644
--- a/src/widget/scroller.ts
+++ b/src/widget/scroller.ts
@@ -18,7 +18,7 @@ import { layoutConfig } from '../util/layoutconfig'
 
 export function scroller(content: View) {
     return (new Scroller).also(v => {
-        v.layoutConfig = layoutConfig().wrap()
+        v.layoutConfig = layoutConfig().fit()
         v.content = content
     })
 }
diff --git a/src/widget/slider.ts b/src/widget/slider.ts
index ac622c31..733faad2 100644
--- a/src/widget/slider.ts
+++ b/src/widget/slider.ts
@@ -77,7 +77,7 @@ export class Slider extends Superview implements ISlider {
 
 export function slideItem(item: View) {
     return (new SlideItem).also((it) => {
-        it.layoutConfig = layoutConfig().wrap()
+        it.layoutConfig = layoutConfig().fit()
         it.addChild(item)
     })
 }
diff --git a/src/widget/text.ts b/src/widget/text.ts
index d3663a72..527a4463 100644
--- a/src/widget/text.ts
+++ b/src/widget/text.ts
@@ -45,7 +45,7 @@ export class Text extends View implements IText {
 
 export function text(config: IText) {
     const ret = new Text
-    ret.layoutConfig = layoutConfig().wrap()
+    ret.layoutConfig = layoutConfig().fit()
     for (let key in config) {
         Reflect.set(ret, key, Reflect.get(config, key, config), ret)
     }