diff --git a/src/ts/@overflow/app/config/index.ts b/src/ts/@overflow/app/config/index.ts
index 1a72e80..6c3a492 100644
--- a/src/ts/@overflow/app/config/index.ts
+++ b/src/ts/@overflow/app/config/index.ts
@@ -1,5 +1,8 @@
 import { ReducersMapObject } from 'redux';
+import { SagaWatcher } from '@overflow/commons/redux-saga';
+
 import signInReducer from '@overflow/member/redux/reducer/signIn';
+import signInSagaWatchers from '@overflow/member/redux/saga/signIn';
 
 // Container Configuration
 export interface ContainerConfig {
@@ -21,17 +24,23 @@ const rpcConfig: RPCConfig = {
 export interface ReduxConfig {
   state: ReduxState;
   reducerMaps: ReducersMapObject[];
+  sagaWarchers: (SagaWatcher[])[];
 }
 export interface ReduxState {
 
 }
 const reduxState: ReduxState = {};
 
+
+
 const reduxConfig: ReduxConfig = {
   state: reduxState,
   reducerMaps: [
     signInReducer,
   ],
+  sagaWarchers: [
+    signInSagaWatchers,
+  ],
 };
 
 
diff --git a/src/ts/@overflow/app/index.tsx b/src/ts/@overflow/app/index.tsx
index 94b9c70..fbaa983 100644
--- a/src/ts/@overflow/app/index.tsx
+++ b/src/ts/@overflow/app/index.tsx
@@ -20,8 +20,15 @@ import {
 
 import createSagaMiddleware, {
   SagaMiddleware,
+  SagaIterator,
 } from 'redux-saga';
 
+import {
+  fork,
+} from 'redux-saga/effects';
+
+
+
 import {
   createHashHistory,
   History,
@@ -39,12 +46,10 @@ import AppContext from '@overflow/commons/context';
 import * as AppContextLifecycleActions from '@overflow/commons/context/redux/action/lifecycle';
 import WebSocketRPC from '@overflow/commons/websocket/WebSocketRPC';
 import ReducerContext from '@overflow/commons/redux/ReducerContext';
+import { SagaWatcher } from '@overflow/commons/redux-saga';
 
 import appConfig, { Config, ReduxState } from './config';
 
-import sagas from './redux/saga';
-// import routes from './router';
-
 import App from './views/App';
 
 injectTapEventPlugin();
@@ -81,7 +86,8 @@ class Application {
       this.displayLoading();
 
       this.context = await this.initContext();
-      // this.rpcClient = await this.initRpcClient();
+      this.rpcClient = await this.initRpcClient();
+      this.context.put(this.rpcClient);
 
       await this.initRedux();
 
@@ -141,13 +147,21 @@ class Application {
         Application.useReduxDevTools ? compose(middleware, window.devToolsExtension()) : middleware,
       );
       //  saga
-      this.sagaMiddleware.run(sagas);
+      this.sagaMiddleware.run(this.initReduxSagaWarchers, this.config.redux.sagaWarchers);
       resolve();
     });
 
     return init;
   }
 
+  private * initReduxSagaWarchers(sagaWarchers: (SagaWatcher[])[]): SagaIterator {
+    for (let sagaWarcher of sagaWarchers) {
+      for (let warcher of sagaWarcher) {
+        yield fork(warcher);
+      }
+    }
+  }
+
   private displayLoading(): void {
     ReactDOM.render(
         <div style={{
diff --git a/src/ts/@overflow/app/redux/saga/index.ts b/src/ts/@overflow/app/redux/saga/index.ts
deleted file mode 100644
index 5929e4c..0000000
--- a/src/ts/@overflow/app/redux/saga/index.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { SagaIterator } from 'redux-saga';
-import { fork } from 'redux-saga/effects';
-
-import { watchSignin as memberWatchSignin } from '@overflow/member/redux/saga/signIn';
-
-export default function* sagas(): SagaIterator {
-  yield fork(memberWatchSignin);
-}
diff --git a/src/ts/@overflow/commons/api/Service.ts b/src/ts/@overflow/commons/api/Service.ts
index c181b1d..d06bb16 100644
--- a/src/ts/@overflow/commons/api/Service.ts
+++ b/src/ts/@overflow/commons/api/Service.ts
@@ -10,10 +10,15 @@ abstract class Service {
 
   }
 
-  protected send(methodName: string, ...params: any[]): Promise<string> {
-    return new Promise<string>(resolve => {
-      resolve('');
-    });
+  protected send<T>(methodName: string, ...params: any[]): Promise<T> {
+    return this.webSocketRPC.Call(methodName, params)
+      .then(body => {
+        const o: T = JSON.parse(body);
+        return o;
+      })
+      .catch(e => {
+        throw e;
+      });
   }
 }
 
diff --git a/src/ts/@overflow/commons/context/constants.ts b/src/ts/@overflow/commons/context/constants.ts
index e3a77ba..da82ee6 100644
--- a/src/ts/@overflow/commons/context/constants.ts
+++ b/src/ts/@overflow/commons/context/constants.ts
@@ -5,4 +5,4 @@ export const PARAM_TYPES = 'overflow:paramtypes';
 export const DESIGN_PARAM_TYPES = 'design:paramtypes';
 
 // The type of the binding at design time
-export const INJECT_TAG = 'inject';
+export const INJECT_TAG = '__inject__';
diff --git a/src/ts/@overflow/commons/context/decorator/inject.ts b/src/ts/@overflow/commons/context/decorator/inject.ts
index 8c3da12..814e35c 100644
--- a/src/ts/@overflow/commons/context/decorator/inject.ts
+++ b/src/ts/@overflow/commons/context/decorator/inject.ts
@@ -5,13 +5,24 @@ export interface Config {
   required?: boolean;
 }
 
+
 const inject = (config?: Config) => {
   return (target: Object, propertyKey: string | symbol, parameterIndex?: number): void => {
     if (typeof parameterIndex === 'number') {
       // tagParameter(target, targetKey, index, metadata);
     } else {
-      let types = Reflect.getMetadata('design:type', target, propertyKey);
+      if (Reflect.hasOwnMetadata(METADATA.INJECT_TAG, target)) {
+        let meta = Reflect.getMetadata(METADATA.INJECT_TAG, target);
+      } else {
+        let meta: string[];
+      }
 
+
+      let types = Reflect.getMetadata(METADATA.INJECT_TAG, target);
+
+      // Reflect.defineMetadata(METADATA.PARAM_TYPES, types, target);
+
+      console.log(types);
       // tagProperty(target, targetKey, metadata);
     }
   };
diff --git a/src/ts/@overflow/commons/context/index.ts b/src/ts/@overflow/commons/context/index.ts
index fbaa4f8..3fa639c 100644
--- a/src/ts/@overflow/commons/context/index.ts
+++ b/src/ts/@overflow/commons/context/index.ts
@@ -1,12 +1,28 @@
+import * as METADATA from './constants';
+
 class AppContext {
   private static context: AppContext = null;
+  private instanceMap: Map<string, Function>;
 
   private constructor() {
-
+    this.instanceMap = new Map();
   }
 
-  public static getService<T>(): T {
-    return null;
+  public put(instance: any, name?: string): void {
+    if (typeof name !== 'string') {
+      if (instance instanceof Function) {
+        name = (<Function>instance).name;
+      }
+    }
+    this.instanceMap.set(name, instance);
+  }
+
+  public static getService<T>(clazz: {new(...args: any[]): T}): T {
+    let types = Reflect.getMetadata(METADATA.PARAM_TYPES, clazz);
+
+    let i = new clazz();
+
+    return i;
   }
 
   public static get<T>(): T {
@@ -15,10 +31,8 @@ class AppContext {
     return null;
   }
 
-  public static put<T>(instance: T): void {
-
-
-    return null;
+  public static put(instance: any, name?: string): void {
+    AppContext.getContext().put(instance, name);
   }
 
   public static getContext(): AppContext {
diff --git a/src/ts/@overflow/commons/redux-saga/index.ts b/src/ts/@overflow/commons/redux-saga/index.ts
new file mode 100644
index 0000000..bed9be2
--- /dev/null
+++ b/src/ts/@overflow/commons/redux-saga/index.ts
@@ -0,0 +1,3 @@
+import { SagaIterator } from 'redux-saga';
+
+export type SagaWatcher = () => SagaIterator;
diff --git a/src/ts/@overflow/commons/redux/ReducerContext.ts b/src/ts/@overflow/commons/redux/ReducerContext.ts
index f327577..dd441fe 100644
--- a/src/ts/@overflow/commons/redux/ReducerContext.ts
+++ b/src/ts/@overflow/commons/redux/ReducerContext.ts
@@ -6,7 +6,8 @@ interface ReducerItem<State> {
 }
 
 class ReducerContext {
-  private static instance: ReducerContext = new ReducerContext();
+  private static readonly instance: ReducerContext = new ReducerContext();
+  private static readonly sagaActionKey: string = '@@redux-saga/SAGA_ACTION';
   private reducerMap: Map<string, ReducerItem<any>[]>;
 
   private constructor() {
@@ -26,7 +27,9 @@ class ReducerContext {
   }
 
   public static reducer<State, A extends Action>(state: State, action: A): State {
-    const actionType = action.type;
+    const actionType: string = action.type;
+    const isSagaAction = action.hasOwnProperty(ReducerContext.sagaActionKey) ? action[ReducerContext.sagaActionKey] : false;
+
     if (ReducerContext.getInstance().reducerMap.has(actionType)) {
       let reducerItems = ReducerContext.getInstance().reducerMap.get(actionType);
       for (let reducerItem of reducerItems) {
@@ -34,7 +37,9 @@ class ReducerContext {
         state = reducer(state, action);
       }
     } else {
-      console.log(`Reducer for [${actionType}] is not exist in the context.`);
+      if (-1 === actionType.indexOf('@@')) {
+        console.log(`Reducer for [${actionType}] is not exist in the context.`);
+      }
     }
     return state;
   }
diff --git a/src/ts/@overflow/commons/redux/StateTreeManager.ts b/src/ts/@overflow/commons/redux/StateTreeManager.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/ts/@overflow/commons/redux/createReducer.ts b/src/ts/@overflow/commons/redux/createReducer.ts
deleted file mode 100644
index 1058e05..0000000
--- a/src/ts/@overflow/commons/redux/createReducer.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import Action from './Action';
-import * as Redux from 'redux';
-
-// export type Reducer<S> = <A extends Action>(state: S, action: A) => S;
-
-// export interface ReducersMapObject {
-//   [key: string]: Reducer<any>;
-// }
-
-const createReducer = <State>(initialState: State, handlers: Redux.ReducersMapObject): Redux.Reducer<State> => {
-  return <A extends Action>(state: State = initialState, action: A): State => {
-    if (handlers[action.type]) {
-      return handlers[action.type](state, action);
-    }
-    return state;
-  };
-};
-
-export default createReducer;
diff --git a/src/ts/@overflow/commons/websocket/WebSocketRPC.ts b/src/ts/@overflow/commons/websocket/WebSocketRPC.ts
index db1836c..c13ebe4 100644
--- a/src/ts/@overflow/commons/websocket/WebSocketRPC.ts
+++ b/src/ts/@overflow/commons/websocket/WebSocketRPC.ts
@@ -58,10 +58,8 @@ export default class WebSocketRPC {
     this.requestQueue = new Map();
   }
 
-  public Call(method: string, params: any[]): Promise<any> {
-
-
-    return new Promise<any>((resolve, reject) => {
+  public Call(method: string, params: any[]): Promise<string> {
+    return new Promise<string>((resolve, reject) => {
       const requestID = this.getRequestID();
       let request = new ProtocolRequest<ID_TYPE>(RPCProtocol, requestID);
       let req = new RPCRequest(method, params);
diff --git a/src/ts/@overflow/member/api/service/MemberService.ts b/src/ts/@overflow/member/api/service/MemberService.ts
index fd03e76..b460da0 100644
--- a/src/ts/@overflow/member/api/service/MemberService.ts
+++ b/src/ts/@overflow/member/api/service/MemberService.ts
@@ -12,12 +12,7 @@ export class MemberService extends Service {
   }
 
   public signin(signinId: string, signinPw: string): Promise<Member> {
-    return new Promise<Member>(resolve => {
-      const json = this.send('signin', [signinId, signinPw]);
-      let member: Member;
-      // member = ........(json);
-      resolve(member);
-    });
+    return this.send<Member>('signin', [signinId, signinPw]);
   }
 
   public signout(member: Member): Member {
diff --git a/src/ts/@overflow/member/react/SignIn.tsx b/src/ts/@overflow/member/react/SignIn.tsx
index b8a100c..4f5dfe2 100644
--- a/src/ts/@overflow/member/react/SignIn.tsx
+++ b/src/ts/@overflow/member/react/SignIn.tsx
@@ -9,13 +9,13 @@ import State from '../redux/state/SignIn';
 import * as signinActions from '../redux/action/signIn';
 
 
-export function mapStateToProps(state: any): SignInStateProps {
+export function mapStateToProps(state: any, ownProps?: any): SignInStateProps {
   return {
 
   };
 }
 
-export function mapDispatchToProps(dispatch: Dispatch<any>): SigninDispatchProps {
+export function mapDispatchToProps(dispatch: Dispatch<any>, ownProps?: any): SigninDispatchProps {
   return {
     onSignIn: (signinId: string, signinPw: string) => {
       dispatch(signinActions.request(signinId, signinPw));
diff --git a/src/ts/@overflow/member/redux/saga/signIn.ts b/src/ts/@overflow/member/redux/saga/signIn.ts
index 1befd07..b1fa1c2 100644
--- a/src/ts/@overflow/member/redux/saga/signIn.ts
+++ b/src/ts/@overflow/member/redux/saga/signIn.ts
@@ -1,6 +1,7 @@
 import { SagaIterator } from 'redux-saga';
 import { call, Effect, fork, put, takeLatest } from 'redux-saga/effects';
 
+import { SagaWatcher } from '@overflow/commons/redux-saga';
 
 import AppContext from '@overflow/commons/context';
 import Action from '@overflow/commons/redux/Action';
@@ -18,7 +19,7 @@ function* signin(action: Action<SigninPayload>): SagaIterator {
     //   payload: {sendingRequest: true},
     // });
 
-    const member = yield call(AppContext.getService<MemberService>().signin, signinId, signinPw);
+    const member = yield call(AppContext.getService(MemberService).signin, signinId, signinPw);
 
     // if (responseBody.token === undefined) {
     //   throw new Error(MESSAGES.UNABLE_TO_FIND_TOKEN_IN_LOGIN_RESPONSE);
@@ -34,6 +35,10 @@ function* signin(action: Action<SigninPayload>): SagaIterator {
   }
 }
 
-export function* watchSignin(): SagaIterator {
+function* watchSignin(): SagaIterator {
   yield takeLatest(SigninActions.REQUEST, signin);
 }
+
+const sagaWatchers: SagaWatcher[] = [watchSignin];
+
+export default sagaWatchers;