diff --git a/src/ts/@overflow/app/index.tsx b/src/ts/@overflow/app/index.tsx
index fefe874..c31dcb6 100644
--- a/src/ts/@overflow/app/index.tsx
+++ b/src/ts/@overflow/app/index.tsx
@@ -42,7 +42,7 @@ import {
 import * as injectTapEventPlugin from 'react-tap-event-plugin';
 
 import Platform from '@overflow/commons/platform';
-import AppContext from '@overflow/commons/context';
+import AppContext from '@overflow/commons/context/AppContext';
 import * as AppContextLifecycleActions from '@overflow/commons/context/redux/action/lifecycle';
 import WebSocketRPC from '@overflow/commons/websocket/WebSocketRPC';
 import ReducerContext from '@overflow/commons/redux/ReducerContext';
@@ -86,8 +86,8 @@ class Application {
       this.displayLoading();
 
       this.context = await this.initContext();
-      // this.rpcClient = await this.initRpcClient();
-      // this.context.put(this.rpcClient);
+      this.rpcClient = await this.initRpcClient();
+      this.context.PouchFactory.registerPouch(this.rpcClient);
 
       await this.initRedux();
 
@@ -102,7 +102,7 @@ class Application {
 
   private initContext(): Promise<AppContext> {
     const appContext = new Promise<AppContext>(resolve => {
-      const context = AppContext.getContext();
+      const context = AppContext.getInstance();
       resolve(context);
     });
 
diff --git a/src/ts/@overflow/commons/api/Service.ts b/src/ts/@overflow/commons/api/Service.ts
index 984e514..1635082 100644
--- a/src/ts/@overflow/commons/api/Service.ts
+++ b/src/ts/@overflow/commons/api/Service.ts
@@ -1,8 +1,8 @@
-import inject from '../context/decorator/inject';
+import Inject from '../context/pouches/decorator/Inject';
 import WebSocketRPC from '../websocket/WebSocketRPC';
 
 abstract class Service {
-  @inject({qualifier: '11111', required: false})
+  @Inject({required: false})
   private webSocketRPC: WebSocketRPC;
   private name: string;
   protected constructor(name: string) {
diff --git a/src/ts/@overflow/commons/context/AppContext.ts b/src/ts/@overflow/commons/context/AppContext.ts
new file mode 100644
index 0000000..cb9e48c
--- /dev/null
+++ b/src/ts/@overflow/commons/context/AppContext.ts
@@ -0,0 +1,41 @@
+import PouchFactory from './pouches/factory/PouchFactory';
+import {
+  ClassConstructor,
+} from './pouches/constants';
+
+class AppContext {
+  private static _instance: AppContext;
+  private _pouchFactory: PouchFactory;
+
+  public constructor() {
+    this._pouchFactory = new PouchFactory();
+  }
+
+  public get PouchFactory(): PouchFactory {
+    return this._pouchFactory;
+  }
+
+  /**
+   * getPouch
+   */
+  public getPouch<T>(type: ClassConstructor<T>, ...args: any[]): T {
+    return this._pouchFactory.getPouch(type, args);
+  }
+
+  /**
+   * getPouchByQualifier
+   */
+  public getPouchByQualifier<T>(type: ClassConstructor<T>, qualifier: string | symbol, ...args: any[]): T {
+    return this._pouchFactory.getPouchByQualifier(type, qualifier, args);
+  }
+
+
+  public static getInstance(): AppContext {
+    if (undefined === AppContext._instance) {
+      AppContext._instance = new AppContext();
+    }
+    return AppContext._instance;
+  }
+}
+
+export default AppContext;
diff --git a/src/ts/@overflow/commons/context/index.ts b/src/ts/@overflow/commons/context/index.ts
index c0b1958..b26f9ed 100644
--- a/src/ts/@overflow/commons/context/index.ts
+++ b/src/ts/@overflow/commons/context/index.ts
@@ -21,7 +21,7 @@ class AppContext {
     this.instanceMap.set(aaa, instance);
   }
 
-  private setValue(type: any, target: object): void {
+  private setValue(type: Function, target: object): void {
     if (type.constructor === Object) {
       console.log('Object');
       return;
@@ -44,7 +44,7 @@ class AppContext {
   }
 
   public static getService<T>(type: ClassConstructor<T>, ...args: any[]): T {
-    let clazz = type.prototype;
+    let clazz: Function = type.prototype;
     let instance = Object.create(clazz);
     instance.constructor.apply(instance, args);
 
diff --git a/src/ts/@overflow/commons/context/pouches/config/PouchDefinition.ts b/src/ts/@overflow/commons/context/pouches/config/PouchDefinition.ts
new file mode 100644
index 0000000..1d4b442
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/config/PouchDefinition.ts
@@ -0,0 +1,59 @@
+import { PouchScope, POUCH_DEFAULT_QUALIFIER } from '../constants';
+
+class PouchDefinition {
+  protected _type: Function;
+  protected _scope: PouchScope = PouchScope.SINGLETON;
+  protected _qualifier: string | symbol;
+  protected _postConstruct: string[] = null;
+  protected _preDestroy: string[] = null;
+
+  public constructor(type: Function) {
+    this._type = type;
+    this._qualifier = POUCH_DEFAULT_QUALIFIER;
+  }
+
+  public get type(): Function {
+      return this._type;
+  }
+
+  public get scope(): PouchScope {
+      return this._scope;
+  }
+
+  public set scope(scope: PouchScope) {
+    this._scope = scope;
+  }
+
+  public get qualifier(): string | symbol {
+      return this._qualifier;
+  }
+
+  public set qualifier(qualifier: string | symbol) {
+    this._qualifier = qualifier;
+  }
+
+  public get postConstruct(): string[] {
+      return this._postConstruct;
+  }
+
+  public addPostConstruct(postConstruct: string): void {
+    if (null == this._postConstruct) {
+      this._postConstruct = [];
+    }
+    this._postConstruct.push(postConstruct);
+  }
+
+  public get preDestroy(): string[] {
+      return this._preDestroy;
+  }
+
+  public addPreDestroy(preDestroy: string): void {
+    if (null == this._preDestroy) {
+      this._preDestroy = [];
+    }
+    this._preDestroy.push(preDestroy);
+  }
+
+}
+
+export default PouchDefinition;
diff --git a/src/ts/@overflow/commons/context/pouches/config/PouchInjectDefinition.ts b/src/ts/@overflow/commons/context/pouches/config/PouchInjectDefinition.ts
new file mode 100644
index 0000000..b93585c
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/config/PouchInjectDefinition.ts
@@ -0,0 +1,92 @@
+import * as METADATA from '../constants';
+import { DecoratorType, POUCH_DEFAULT_QUALIFIER } from '../constants';
+import InjectConfig from '../decorator/InjectConfig';
+
+export interface InjectItem {
+  decoratorType: DecoratorType;
+  propertyConfig?: InjectConfig;
+  parameterConfigMap?: Map<number, InjectConfig>;
+}
+
+class PouchInjectDefinition {
+  protected target: Object;
+  protected injectMap: Map<string | symbol, InjectItem>;
+
+  public constructor(target: Object) {
+    this.target = target;
+    this.injectMap = new Map();
+  }
+
+  public get injectors(): Map<string | symbol, InjectItem> {
+    return this.injectMap;
+  }
+
+  /**
+   * addInject
+   */
+  public addInject(injectConfig: InjectConfig, propertyKey: string | symbol, parameterIndex?: number): void {
+    if (undefined === injectConfig.qualifier) {
+      injectConfig.qualifier = POUCH_DEFAULT_QUALIFIER;
+    }
+    if (undefined === injectConfig.required) {
+      injectConfig.required = false;
+    }
+
+    if(typeof parameterIndex === 'number') {
+      this.addInjectParameter(injectConfig, propertyKey, parameterIndex);
+    } else {
+      this.addInjectProperty(injectConfig, propertyKey);
+    }
+  }
+
+  private addInjectParameter(injectConfig: InjectConfig, propertyKey: string | symbol, parameterIndex: number): void {
+    let injectItem: InjectItem;
+    let parameterTypes: any[] = Reflect.getMetadata(METADATA.DESIGN_PARAMTYPES, this.target, propertyKey);
+
+    if (undefined === injectConfig.type) {
+      injectConfig.type = parameterTypes[parameterIndex];
+    }
+
+    if (this.injectMap.has(propertyKey)) {
+      injectItem = this.injectMap.get(propertyKey);
+    } else {
+      injectItem = {
+        decoratorType: DecoratorType.PARAMETER,
+      };
+      this.injectMap.set(propertyKey, injectItem);
+    }
+
+    if (null !== injectItem.parameterConfigMap) {
+      if (injectItem.parameterConfigMap.has(parameterIndex)) {
+        throw new Error(`Cannot apply @inject decorator on one parameter[${propertyKey}:${parameterIndex}] multiple times.`);
+      }
+    } else {
+      injectItem.parameterConfigMap = new Map();
+    }
+
+    injectItem.parameterConfigMap.set(parameterIndex, injectConfig);
+
+  }
+
+  private addInjectProperty(injectConfig: InjectConfig, propertyKey: string | symbol): void {
+    if (this.injectMap.has(propertyKey)) {
+      throw new Error(`Cannot apply @inject decorator on one property[${propertyKey}] multiple times.`);
+    }
+
+    let propertyType: any = Reflect.getMetadata(METADATA.DESIGN_TYPE, this.target, propertyKey);
+
+    if (undefined === injectConfig.type) {
+      injectConfig.type = propertyType;
+    }
+
+    let injectItem: InjectItem = {
+      decoratorType: DecoratorType.PROPERTY,
+      propertyConfig: injectConfig,
+    };
+
+    this.injectMap.set(propertyKey, injectItem);
+  }
+
+}
+
+export default PouchInjectDefinition;
diff --git a/src/ts/@overflow/commons/context/pouches/constants.ts b/src/ts/@overflow/commons/context/pouches/constants.ts
new file mode 100644
index 0000000..556759d
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/constants.ts
@@ -0,0 +1,29 @@
+// used to access design time types
+export const DESIGN_TYPE = 'design:type';
+// used to access design time types
+export const DESIGN_PARAMTYPES = 'design:paramtypes';
+// used to access design time types
+export const DESIGN_RETURNTYPE = 'design:returntype';
+
+
+// used to store types to be injected
+export const POUCH_DEFINITION = 'loafer:pouch_definition';
+
+// used to store types to be injected
+export const POUCH_INJECT_DEFINITION = 'loafer:pouch_inject_definition';
+
+export const POUCH_DEFAULT_QUALIFIER = Symbol('__QUALIFIER__');
+
+export enum PouchScope {
+  SINGLETON,
+  PROTOTYPE,
+}
+
+export enum DecoratorType {
+  CLASS,
+  PROPERTY,
+  PARAMETER,
+  METHOD,
+}
+
+export type ClassConstructor<T> = {new(...args: any[]): T};
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/Inject.ts b/src/ts/@overflow/commons/context/pouches/decorator/Inject.ts
new file mode 100644
index 0000000..9eab2e0
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/Inject.ts
@@ -0,0 +1,66 @@
+import * as METADATA from '../constants';
+import { POUCH_DEFAULT_QUALIFIER } from '../constants';
+import InjectConfig from './InjectConfig';
+import PouchInjectDefinition from '../config/PouchInjectDefinition';
+
+const Inject = (injectConfig: InjectConfig = {}) => {
+  return (...args: any[]) => {
+    switch(args.length) {
+    case 1:
+      return injectClass.apply(this, args);
+    case 2:
+      return injectProperty.apply(this, args);
+    case 3:
+      if(typeof args[2] === 'number') {
+        return injectParameter.apply(this, args);
+      }
+      return injectMethod.apply(this, args);
+    default:
+      throw new Error('@Inject decorators are not valid here!');
+    }
+  };
+};
+
+const injectClass = (injectConfig: InjectConfig = {}) => {
+  return <TFunction extends Function>(target: TFunction): TFunction | void => {
+      throw new Error('Cannot apply @Inject decorator on Class.');
+  };
+};
+
+const injectProperty = (injectConfig: InjectConfig = {}) => {
+  return (target: Object, propertyKey: string | symbol): void => {
+    let pouchInjectDefinition: PouchInjectDefinition = getPouchInjectDefinition(target);
+    pouchInjectDefinition.addInject(injectConfig, propertyKey);
+  };
+};
+
+const injectParameter = (injectConfig: InjectConfig = {}) => {
+  return (target: Object, propertyKey: string | symbol, parameterIndex: number): void => {
+    let pouchInjectDefinition: PouchInjectDefinition = getPouchInjectDefinition(target);
+    pouchInjectDefinition.addInject(injectConfig, propertyKey, parameterIndex);
+  };
+};
+
+const injectMethod = (injectConfig: InjectConfig = {}) => {
+  return (target: Object, propertyKey: string | symbol,
+          descriptor: TypedPropertyDescriptor<any>): TypedPropertyDescriptor<any> | void => {
+    throw new Error('Cannot apply @Inject decorator on Class.');
+
+    // return descriptor;
+  };
+};
+
+
+
+const getPouchInjectDefinition = (target: Object) => {
+    let pouchInjectDefinition: PouchInjectDefinition;
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_INJECT_DEFINITION, target) !== true) {
+      pouchInjectDefinition = new PouchInjectDefinition(target);
+      Reflect.defineMetadata(METADATA.POUCH_INJECT_DEFINITION, pouchInjectDefinition, target);
+    } else {
+      pouchInjectDefinition = Reflect.getMetadata(METADATA.POUCH_INJECT_DEFINITION, target);
+    }
+    return pouchInjectDefinition;
+};
+
+export default Inject;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/InjectConfig.ts b/src/ts/@overflow/commons/context/pouches/decorator/InjectConfig.ts
new file mode 100644
index 0000000..fe4b687
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/InjectConfig.ts
@@ -0,0 +1,7 @@
+interface InjectConfig {
+  qualifier?: string | symbol;
+  required?: boolean;
+  type?: any;
+}
+
+export default InjectConfig;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/Injectable.ts b/src/ts/@overflow/commons/context/pouches/decorator/Injectable.ts
new file mode 100644
index 0000000..1f8c137
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/Injectable.ts
@@ -0,0 +1,60 @@
+import * as METADATA from '../constants';
+import PouchDefinition from '../config/PouchDefinition';
+
+
+const Injectable = (...args: any[]) => {
+  switch(args.length) {
+  case 1:
+    return injectableClass.apply(this, args);
+  case 2:
+    return injectableProperty.apply(this, args);
+  case 3:
+    if(typeof args[2] === 'number') {
+      return injectableParameter.apply(this, args);
+    }
+    return injectableMethod.apply(this, args);
+  default:
+    throw new Error('@Injectable decorators are not valid here!');
+  }
+};
+
+
+const injectableClass = <TFunction extends Function>(target: TFunction): TFunction | void => {
+  if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) === true) {
+    throw new Error('Cannot apply @injectable decorator multiple times.');
+  }
+
+  let pouchDefinition: PouchDefinition = getPouchDefinition(target.prototype);
+
+  return target;
+};
+
+
+const injectableProperty = (target: Object, propertyKey: string | symbol): void => {
+  throw new Error('Cannot apply @Injectable decorator on property.');
+};
+
+
+const injectableParameter = (target: Object, propertyKey: string | symbol, parameterIndex: number): void => {
+  throw new Error('Cannot apply @Injectable decorator on parameter.');
+};
+
+const injectableMethod = <T>(target: Object, propertyKey: string | symbol,
+                             descriptor: TypedPropertyDescriptor<T>): TypedPropertyDescriptor<T> | void => {
+  throw new Error('Cannot apply @Injectable decorator on method.');
+  // return descriptor;
+};
+
+const getPouchDefinition = <TFunction extends Function>(target: TFunction) => {
+    let pouchDefinition: PouchDefinition;
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) !== true) {
+      pouchDefinition = new PouchDefinition(target);
+      Reflect.defineMetadata(METADATA.POUCH_DEFINITION, pouchDefinition, target);
+    } else {
+      pouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, target);
+    }
+    return pouchDefinition;
+};
+
+
+export default Injectable;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/PostConstruct.ts b/src/ts/@overflow/commons/context/pouches/decorator/PostConstruct.ts
new file mode 100644
index 0000000..9e1ad01
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/PostConstruct.ts
@@ -0,0 +1,14 @@
+import * as METADATA from '../constants';
+import PouchDefinition from '../config/PouchDefinition';
+
+const PostConstruct = (target: Object, propertyKey: string, descriptor: TypedPropertyDescriptor<any>): TypedPropertyDescriptor<any> => {
+  if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) !== true) {
+    throw new Error('Cannot apply @PostConstruct decorator on the not @Injectable class.');
+  }
+  let pouchDefinition: PouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, target);
+  pouchDefinition.addPostConstruct(propertyKey);
+
+  return descriptor;
+};
+
+export default PostConstruct;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/PreDestroy.ts b/src/ts/@overflow/commons/context/pouches/decorator/PreDestroy.ts
new file mode 100644
index 0000000..3434db0
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/PreDestroy.ts
@@ -0,0 +1,14 @@
+import * as METADATA from '../constants';
+import PouchDefinition from '../config/PouchDefinition';
+
+const PreDestroy = (target: Object, propertyKey: string, descriptor: TypedPropertyDescriptor<any>): TypedPropertyDescriptor<any> => {
+  if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) !== true) {
+    throw new Error('Cannot apply @PreDestroy decorator on the not @Injectable class.');
+  }
+  let pouchDefinition: PouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, target);
+  pouchDefinition.addPreDestroy(propertyKey);
+
+  return descriptor;
+};
+
+export default PreDestroy;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/Qualifier.ts b/src/ts/@overflow/commons/context/pouches/decorator/Qualifier.ts
new file mode 100644
index 0000000..89c02f9
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/Qualifier.ts
@@ -0,0 +1,16 @@
+import * as METADATA from '../constants';
+import PouchDefinition from '../config/PouchDefinition';
+
+const Qualifier = (value: string | symbol) => {
+  return <TFunction extends Function>(target: TFunction): TFunction | void => {
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) !== true) {
+      throw new Error('Cannot apply @Qualifier decorator on the not @Injectable class.');
+    }
+    let pouchDefinition: PouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, target);
+    pouchDefinition.qualifier = value;
+
+    return target;
+  };
+};
+
+export default Qualifier;
diff --git a/src/ts/@overflow/commons/context/pouches/decorator/Scope.ts b/src/ts/@overflow/commons/context/pouches/decorator/Scope.ts
new file mode 100644
index 0000000..48819ee
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/decorator/Scope.ts
@@ -0,0 +1,17 @@
+import * as METADATA from '../constants';
+import PouchDefinition from '../config/PouchDefinition';
+import { PouchScope } from '../constants';
+
+const Scope = (value: PouchScope = PouchScope.SINGLETON) => {
+  return <TFunction extends Function>(target: TFunction): TFunction | void => {
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, target) !== true) {
+      throw new Error('Cannot apply @Scope decorator on the not @Injectable class.');
+    }
+    let pouchDefinition: PouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, target);
+    pouchDefinition.scope = value;
+
+    return target;
+  };
+};
+
+export default Scope;
diff --git a/src/ts/@overflow/commons/context/pouches/factory/PouchFactory.ts b/src/ts/@overflow/commons/context/pouches/factory/PouchFactory.ts
new file mode 100644
index 0000000..24d38be
--- /dev/null
+++ b/src/ts/@overflow/commons/context/pouches/factory/PouchFactory.ts
@@ -0,0 +1,195 @@
+import * as METADATA from '../constants';
+
+import {
+  ClassConstructor,
+  DecoratorType,
+  PouchScope,
+  POUCH_DEFAULT_QUALIFIER,
+} from '../constants';
+
+import PouchDefinition from '../config/PouchDefinition';
+
+import PouchInjectDefinition, {
+  InjectItem,
+} from '../config/PouchInjectDefinition';
+
+import InjectConfig from '../decorator/InjectConfig';
+
+class PouchFactory {
+  private pouchDefinitionMap: Map<Function, PouchDefinition>;
+  private pouchInstanceMap: Map<Function, Map<string | symbol, any>>;
+
+  public constructor() {
+    this.pouchDefinitionMap = new Map();
+    this.pouchInstanceMap = new Map();
+  }
+
+  /**
+   * getPouch
+   */
+  public getPouch<T>(type: ClassConstructor<T>, ...args: any[]): T {
+    let qualifier =  POUCH_DEFAULT_QUALIFIER;
+    return this.getPouchByQualifier(type, qualifier, args);
+  }
+
+  /**
+   * getPouchByQualifier
+   */
+  public getPouchByQualifier<T>(type: ClassConstructor<T>, qualifier: string | symbol, ...args: any[]): T {
+    let clazz: Function = type.prototype;
+
+    let instance = this._getPouch(clazz, qualifier, args);
+
+    return instance;
+  }
+
+
+  /**
+   * registerPouch
+   */
+  public registerPouch(pouch: any, qualifier: string | symbol = POUCH_DEFAULT_QUALIFIER): void {
+    let clazz = pouch.prototype;
+    this._putPouchInstance(clazz, qualifier, pouch);
+  }
+
+  /**
+   * registerPouch
+   */
+  public registerPouchDefinition<T>(type: ClassConstructor<T>, pouchDefinition: PouchDefinition): void {
+    let clazz: Function = type.prototype;
+    if (this.pouchDefinitionMap.has(clazz)) {
+      throw new Error(`Pouch Definition of [${clazz.name}] is already exist.`);
+    }
+    this.pouchDefinitionMap.set(clazz, pouchDefinition);
+  }
+
+  protected getPouchDefinition(clazz: Function): PouchDefinition {
+    let pouchDefinition: PouchDefinition = this.pouchDefinitionMap.get(clazz);
+    if (undefined !== pouchDefinition) {
+      return pouchDefinition;
+    }
+
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_DEFINITION, clazz) !== true) {
+      return null;
+    }
+
+    pouchDefinition = Reflect.getMetadata(METADATA.POUCH_DEFINITION, clazz);
+    this.pouchDefinitionMap.set(clazz, pouchDefinition);
+
+    return pouchDefinition;
+
+  }
+
+  protected getPouchInjectDefinition(clazz: Function): PouchInjectDefinition {
+    if (Reflect.hasOwnMetadata(METADATA.POUCH_INJECT_DEFINITION, clazz) !== true) {
+      return null;
+    }
+
+    let pouchInjectDefinition: PouchInjectDefinition = Reflect.getMetadata(METADATA.POUCH_INJECT_DEFINITION, clazz);
+
+    return pouchInjectDefinition;
+  }
+
+  private _getPouch(clazz: Function, qualifier: string | symbol, ...args: any[]): any {
+    let pouchDefinition: PouchDefinition = this.getPouchDefinition(clazz);
+
+    let instance: any;
+    if (null == pouchDefinition) {
+      if (this._hasPouchInstance(clazz, qualifier)) {
+        instance = this._getPouchInstance(clazz, qualifier);
+      } else {
+        instance = this._newInstance(clazz, pouchDefinition, args);
+      }
+    } else {
+      if (pouchDefinition.scope === PouchScope.PROTOTYPE) {
+        instance = this._newInstance(clazz, pouchDefinition, args);
+      } else {
+        if (this._hasPouchInstance(clazz, qualifier)) {
+          return this._getPouchInstance(clazz, qualifier);
+        }
+        instance = this._newInstance(clazz, pouchDefinition, args);
+      }
+    }
+
+    return instance;
+  }
+
+  private _newInstance(clazz: Function, pouchDefinition: PouchDefinition, ...args: any[]): any {
+    let instance: any;
+    instance = Object.create(clazz);
+    instance.constructor.apply(instance, args);
+
+    this._injectDependency(instance, clazz);
+
+    return instance;
+  }
+
+  private _injectDependency(target: object, clazz: Function): void {
+    if (clazz.constructor === Object) {
+      return;
+    }
+
+    let pouchInjectDefinition: PouchInjectDefinition = this.getPouchInjectDefinition(clazz);
+    if (null !== pouchInjectDefinition) {
+      let injectors: Map<string | symbol, InjectItem> = pouchInjectDefinition.injectors;
+      let propertyDescriptor: any;
+      injectors.forEach((injectItem, key, map) => {
+        propertyDescriptor = Object.getOwnPropertyDescriptor(target, key);
+
+        switch (injectItem.decoratorType) {
+        case DecoratorType.PROPERTY:
+          this._injectDependencyProperty(target, clazz, key, propertyDescriptor, injectItem.propertyConfig);
+          break;
+        case DecoratorType.PARAMETER:
+          this._injectDependencyParameter(target, propertyDescriptor, injectItem.parameterConfigMap);
+          break;
+        default:
+          break;
+        }
+      });
+    }
+    this._injectDependency(target, Object.getPrototypeOf(clazz));
+  }
+
+  private _injectDependencyProperty(target: object, clazz: Function, propertyKey: string | symbol,
+                                    propertyDescriptor: PropertyDescriptor, injectConfig: InjectConfig): void {
+    let instance = this.getPouch(injectConfig.type, injectConfig.qualifier);
+    if (injectConfig.required && undefined === instance) {
+      throw new Error(`Pouch which used by [${clazz.name}.${propertyKey}] is not exist in the context.`);
+    }
+    target[propertyKey] = instance;
+  }
+
+  private _injectDependencyParameter(target: object, propertyDescriptor: PropertyDescriptor,
+                                     parameterConfigs: Map<number, InjectConfig>): void {
+    console.log('');
+  }
+
+  private _hasPouchInstance(clazz: Function, qualifier: string | symbol): boolean {
+    if (!this.pouchInstanceMap.has(clazz) || !this.pouchInstanceMap.get(clazz).has(qualifier)) {
+      return false;
+    }
+    return true;
+  }
+
+  private _getPouchInstance(clazz: Function, qualifier: string | symbol): any {
+    if (!this._hasPouchInstance(clazz, qualifier)) {
+      return null;
+    }
+    return this.pouchInstanceMap.get(clazz).get(qualifier);
+  }
+
+  private _putPouchInstance(clazz: Function, qualifier: string | symbol, instance: any): void {
+    let instanceMap: Map<string | symbol, any> = this.pouchInstanceMap.get(clazz);
+
+    if (undefined === instanceMap) {
+      instanceMap = new Map();
+      this.pouchInstanceMap.set(clazz, instanceMap);
+    }
+
+    instanceMap.set(qualifier, instance);
+  }
+
+}
+
+export default PouchFactory;
diff --git a/src/ts/@overflow/member/api/service/MemberService.ts b/src/ts/@overflow/member/api/service/MemberService.ts
index b1257ea..f81bbbf 100644
--- a/src/ts/@overflow/member/api/service/MemberService.ts
+++ b/src/ts/@overflow/member/api/service/MemberService.ts
@@ -1,11 +1,11 @@
 import Service from '@overflow/commons/api/Service';
 import Member from '../model/Member';
-import injectable from '@overflow/commons/context/decorator/injectable';
+import Injectable from '@overflow/commons/context/pouches/decorator/Injectable';
 import inject from '@overflow/commons/context/decorator/inject';
 
 
 
-@injectable()
+@Injectable
 export class MemberService extends Service {
 
   public constructor() {
diff --git a/src/ts/@overflow/member/redux/saga/signIn.ts b/src/ts/@overflow/member/redux/saga/signIn.ts
index 30dd57b..7ec2450 100644
--- a/src/ts/@overflow/member/redux/saga/signIn.ts
+++ b/src/ts/@overflow/member/redux/saga/signIn.ts
@@ -3,7 +3,7 @@ import { call, Effect, fork, put, takeLatest } from 'redux-saga/effects';
 
 import { SagaWatcher } from '@overflow/commons/redux-saga';
 
-import AppContext from '@overflow/commons/context';
+import AppContext from '@overflow/commons/context/AppContext';
 import Action from '@overflow/commons/redux/Action';
 
 import Member from '../../api/model/Member';
@@ -18,7 +18,7 @@ function* signin(action: Action<SigninPayload>): SagaIterator {
     //   type: types.SENDING_REQUEST,
     //   payload: {sendingRequest: true},
     // });
-    let memberService = AppContext.getService(MemberService);
+    let memberService = AppContext.getInstance().getPouch(MemberService);
 
     const member = yield call({context: memberService, fn: memberService.signin}, signinId, signinPw);