diff --git a/doric-js/index.debug.ts b/doric-js/index.debug.ts
index e92d6930..baac0869 100644
--- a/doric-js/index.debug.ts
+++ b/doric-js/index.debug.ts
@@ -16,7 +16,6 @@
 import * as doric from './src/runtime/sandbox'
 import WebSocket from "ws"
 import path from 'path'
-import { BridgeContext } from './src/runtime/global';
 
 type MSG = {
   type: "D2C" | "C2D" | "C2S" | "D2S" | "S2C" | "S2D",
@@ -197,13 +196,24 @@ global.nativeLog = (type: string, msg: string) => {
 }
 
 global.nativeRequire = () => {
-  console.error("Do not call nativeRequire here");
+  console.error("In debugger,do not support call nativeRequire here", new Error().stack);
   return false;
 }
 
 global.nativeBridge = () => {
-  console.error("Do not call nativeBridge here");
+  console.error("In debugger,do not support call nativeBridge here", new Error().stack);
   return false;
 }
 
+global.Envrionment = new Proxy({}, {
+  get: (target, p, receiver) => {
+    console.error("In debugger,do not support get Environment's value here", new Error().stack)
+    return undefined
+  },
+  set: (target, p, v, receiver) => {
+    console.error("In debugger,do not support set Environment's value here", new Error().stack)
+    return Reflect.set(target, p, v, receiver);
+  }
+})
+
 export * from './index'
\ No newline at end of file
diff --git a/doric-js/lib/src/widget/flexScroller.d.ts b/doric-js/lib/src/widget/flexScroller.d.ts
deleted file mode 100644
index 1d82674a..00000000
--- a/doric-js/lib/src/widget/flexScroller.d.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-import { View, IView, Group } from '../ui/view';
-import { BridgeContext } from '../runtime/global';
-export declare function flexScroller(views: View[], config?: IFlexScroller): FlexScroller;
-export interface IFlexScroller extends IView {
-    contentOffset?: {
-        x: number;
-        y: number;
-    };
-}
-export declare class FlexScroller extends Group implements IFlexScroller {
-    contentOffset?: {
-        x: number;
-        y: number;
-    };
-    onScroll?: (offset: {
-        x: number;
-        y: number;
-    }) => void;
-    onScrollEnd?: (offset: {
-        x: number;
-        y: number;
-    }) => void;
-    scrollTo(context: BridgeContext, offset: {
-        x: number;
-        y: number;
-    }, animated?: boolean): Promise<any>;
-    scrollBy(context: BridgeContext, offset: {
-        x: number;
-        y: number;
-    }, animated?: boolean): Promise<any>;
-}
diff --git a/doric-js/lib/src/widget/flexScroller.js b/doric-js/lib/src/widget/flexScroller.js
deleted file mode 100644
index 25222096..00000000
--- a/doric-js/lib/src/widget/flexScroller.js
+++ /dev/null
@@ -1,59 +0,0 @@
-var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
-    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
-    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
-    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
-    return c > 3 && r && Object.defineProperty(target, key, r), r;
-};
-var __metadata = (this && this.__metadata) || function (k, v) {
-    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
-};
-/*
- * Copyright [2019] [Doric.Pub]
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import { Property, Group } from '../ui/view';
-import { layoutConfig } from '../util/layoutconfig';
-export function flexScroller(views, config) {
-    const ret = new FlexScroller;
-    ret.layoutConfig = layoutConfig().fit();
-    for (let v of views) {
-        ret.addChild(v);
-    }
-    if (config) {
-        for (let key in config) {
-            Reflect.set(ret, key, Reflect.get(config, key, config), ret);
-        }
-    }
-    return ret;
-}
-export class FlexScroller extends Group {
-    scrollTo(context, offset, animated) {
-        return this.nativeChannel(context, "scrollTo")({ offset, animated });
-    }
-    scrollBy(context, offset, animated) {
-        return this.nativeChannel(context, "scrollBy")({ offset, animated });
-    }
-}
-__decorate([
-    Property,
-    __metadata("design:type", Object)
-], FlexScroller.prototype, "contentOffset", void 0);
-__decorate([
-    Property,
-    __metadata("design:type", Function)
-], FlexScroller.prototype, "onScroll", void 0);
-__decorate([
-    Property,
-    __metadata("design:type", Function)
-], FlexScroller.prototype, "onScrollEnd", void 0);
diff --git a/doric-js/lib/src/widget/flexlayout.d.ts b/doric-js/lib/src/widget/flexlayout.d.ts
deleted file mode 100644
index 0b06133e..00000000
--- a/doric-js/lib/src/widget/flexlayout.d.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import { IView, Group } from "../ui/view";
-import { Modeling } from "../util/types";
-declare enum ValueType {
-    Point = 0,
-    Percent = 1,
-    Auto = 2
-}
-export declare class FlexValue implements Modeling {
-    type: ValueType;
-    value: number;
-    static Auto: FlexValue;
-    static percent(v: number): FlexValue;
-    static point(v: number): FlexValue;
-    toModel(): {
-        type: ValueType;
-        value: number;
-    };
-}
-export interface IFlex extends IView {
-}
-export declare class FlexLayout extends Group implements IFlex {
-}
-export {};
diff --git a/doric-js/lib/src/widget/flexlayout.js b/doric-js/lib/src/widget/flexlayout.js
deleted file mode 100644
index 7244a879..00000000
--- a/doric-js/lib/src/widget/flexlayout.js
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright [2019] [Doric.Pub]
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import { Group } from "../ui/view";
-var ValueType;
-(function (ValueType) {
-    ValueType[ValueType["Point"] = 0] = "Point";
-    ValueType[ValueType["Percent"] = 1] = "Percent";
-    ValueType[ValueType["Auto"] = 2] = "Auto";
-})(ValueType || (ValueType = {}));
-export class FlexValue {
-    constructor() {
-        this.type = ValueType.Auto;
-        this.value = 0;
-    }
-    static percent(v) {
-        const ret = new FlexValue;
-        ret.type = ValueType.Percent;
-        ret.value = v;
-        return ret;
-    }
-    static point(v) {
-        const ret = new FlexValue;
-        ret.type = ValueType.Point;
-        ret.value = v;
-        return ret;
-    }
-    toModel() {
-        return {
-            type: this.type,
-            value: this.value,
-        };
-    }
-}
-FlexValue.Auto = new FlexValue;
-export class FlexLayout extends Group {
-}