接口返回处理容错 review by 盖剑秋

@@ -75,7 +75,7 @@ class DrawerContainer extends Component {
             <Drawer
                 ref={(ref) => this.drawer = ref}
                 type="displace"
-                content={<SideMenu items={this.props.user.get('brands')} onPressItem={this._onPressItem}/>}
+                content={<SideMenu items={this.props.user.brands} onPressItem={this._onPressItem}/>}
                 tapToClose={true}
                 openDrawerOffset={0.2}
                 panCloseMask={0.2}

@@ -111,7 +111,7 @@ export default function userReducer(state = initialState, action) {
 		case GET_STORED_USER_INFO:
 		case LOGIN_SUCCESS: {
 			const {account, pid, session_key, shops} = action.payload;
-			let brandsList = Immutable.fromJS(shops);
+			let brandsList = Immutable.fromJS(shops) || List();
 			let nextState =  state.set('isFetching', false)
 				.set('error', null)
 				.setIn(['profile', 'account'], account)