diff --git a/.gitignore b/.gitignore
index 1f0a52be..969df946 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 build/*
 dist/*
-test/*
+tests/*
 itchat.egg-info/*
 *.pyc
 *.swp
diff --git a/itchat/components/contact.py b/itchat/components/contact.py
index 35793d64..ea7ff00b 100644
--- a/itchat/components/contact.py
+++ b/itchat/components/contact.py
@@ -6,7 +6,7 @@
 
 from .. import config, utils
 from ..returnvalues import ReturnValue
-from ..storage import contact_change
+from ..storage import contact_change, templates
 
 logger = logging.getLogger('itchat')
 
@@ -99,8 +99,8 @@ def update_friend(self, userName):
     return r if len(r) != 1 else r[0]
 
 def update_info_dict(oldInfoDict, newInfoDict):
-    '''
-        only normal values will be updated here
+    ''' only normal values will be updated here
+        because newInfoDict is normal dict, so it's not necessary to consider templates
     '''
     for k, v in newInfoDict.items():
         if any((isinstance(v, t) for t in (tuple, list, dict))):
@@ -126,8 +126,8 @@ def update_local_chatrooms(core, l):
         if oldChatroom:
             update_info_dict(oldChatroom, chatroom)
             #  - update other values
-            memberList, oldMemberList = (c.get('MemberList', [])
-                    for c in (chatroom, oldChatroom))
+            memberList = chatroom.get('MemberList', [])
+            oldMemberList = oldChatroom.memberList
             if memberList:
                 for member in memberList:
                     oldMember = utils.search_dict_list(
@@ -137,17 +137,19 @@ def update_local_chatrooms(core, l):
                     else:
                         oldMemberList.append(member)
         else:
-            oldChatroom = chatroom
-            core.chatroomList.append(chatroom)
+            oldChatroom = templates.wrap_user_dict(chatroom)
+            core.chatroomList.append(oldChatroom)
         # delete useless members
         if len(chatroom['MemberList']) != len(oldChatroom['MemberList']) and \
                 chatroom['MemberList']:
             existsUserNames = [member['UserName'] for member in chatroom['MemberList']]
             delList = []
             for i, member in enumerate(oldChatroom['MemberList']):
-                if member['UserName'] not in existsUserNames: delList.append(i)
+                if member['UserName'] not in existsUserNames:
+                    delList.append(i)
             delList.sort(reverse=True)
-            for i in delList: del oldChatroom['MemberList'][i]
+            for i in delList:
+                del oldChatroom['MemberList'][i]
         #  - update OwnerUin
         if oldChatroom.get('ChatRoomOwner') and oldChatroom.get('MemberList'):
             oldChatroom['OwnerUin'] = utils.search_dict_list(oldChatroom['MemberList'],
diff --git a/itchat/components/login.py b/itchat/components/login.py
index c35d1ecd..6b5fb043 100644
--- a/itchat/components/login.py
+++ b/itchat/components/login.py
@@ -9,6 +9,7 @@
 
 from .. import config, utils
 from ..returnvalues import ReturnValue
+from ..storage.templates import wrap_user_dict
 from .contact import update_local_chatrooms, update_local_friends
 from .messages import produce_msg
 
@@ -182,7 +183,7 @@ def web_init(self):
     # deal with login info
     utils.emoji_formatter(dic['User'], 'NickName')
     self.loginInfo['InviteStartCount'] = int(dic['InviteStartCount'])
-    self.loginInfo['User'] = utils.struct_friend_info(dic['User'])
+    self.loginInfo['User'] = wrap_user_dict(utils.struct_friend_info(dic['User']))
     self.memberList.append(self.loginInfo['User'])
     self.loginInfo['SyncKey'] = dic['SyncKey']
     self.loginInfo['synckey'] = '|'.join(['%s_%s' % (item['Key'], item['Val'])
diff --git a/itchat/core.py b/itchat/core.py
index dea80903..95ba1d52 100644
--- a/itchat/core.py
+++ b/itchat/core.py
@@ -18,7 +18,7 @@ def __init__(self):
                 - failing is failing
         '''
         self.alive, self.isLogging = False, False
-        self.storageClass = storage.Storage()
+        self.storageClass = storage.Storage(self)
         self.memberList = self.storageClass.memberList
         self.mpList = self.storageClass.mpList
         self.chatroomList = self.storageClass.chatroomList
diff --git a/itchat/returnvalues.py b/itchat/returnvalues.py
index e9643d08..b9600bd6 100644
--- a/itchat/returnvalues.py
+++ b/itchat/returnvalues.py
@@ -4,6 +4,23 @@
 TRANSLATE = 'Chinese'
 
 class ReturnValue(dict):
+    ''' turn return value of itchat into a boolean value
+    for requests:
+        ..code::python
+
+            import requests
+            r = requests.get('http://httpbin.org/get')
+            print(ReturnValue(rawResponse=r)
+    
+    for normal dict:
+        ..code::python
+
+            returnDict = {
+                'BaseResponse': {
+                    'Ret': 0,
+                    'ErrMsg': 'My error msg', }, }
+            print(ReturnValue(returnDict))
+    '''
     def __init__(self, returnValueDict={}, rawResponse=None):
         if rawResponse:
             try:
@@ -14,7 +31,8 @@ def __init__(self, returnValueDict={}, rawResponse=None):
                         'Ret': -1004,
                         'ErrMsg': 'Unexpected return value', },
                     'Data': rawResponse.content, }
-        for k, v in returnValueDict.items(): self[k] = v
+        for k, v in returnValueDict.items():
+            self[k] = v
         if not 'BaseResponse' in self:
             self['BaseResponse'] = {
                 'ErrMsg': 'no BaseResponse in raw response',
@@ -45,6 +63,7 @@ def __repr__(self):
         -1003: u'服务器拒绝连接',
         -1004: u'服务器返回异常值',
         -1005: u'参数错误',
+        -1006: u'无效操作',
         0: u'请求成功',
     },
 }
diff --git a/itchat/storage.py b/itchat/storage/__init__.py
similarity index 79%
rename from itchat/storage.py
rename to itchat/storage/__init__.py
index 5bfff6f0..22419d07 100644
--- a/itchat/storage.py
+++ b/itchat/storage/__init__.py
@@ -5,6 +5,10 @@
     import queue as Queue
 from threading import Lock
 
+from .templates import (
+    ContactList, AbstractUserDict, User,
+    MassivePlatform, Chatroom, ChatroomMember)
+
 def contact_change(fn):
     def _contact_change(core, *args, **kwargs):
         with core.storageClass.updateLock:
@@ -12,15 +16,21 @@ def _contact_change(core, *args, **kwargs):
     return _contact_change
 
 class Storage(object):
-    def __init__(self):
+    def __init__(self, core):
         self.userName          = None
         self.nickName          = None
         self.updateLock        = Lock()
-        self.memberList        = []
-        self.mpList            = []
-        self.chatroomList      = []
+        self.memberList        = ContactList()
+        self.mpList            = ContactList()
+        self.chatroomList      = ContactList()
         self.msgList           = Queue.Queue(-1)
         self.lastInputUserName = None
+        self.memberList.set_default_value(contactClass=User)
+        self.memberList.core = core
+        self.mpList.set_default_value(contactClass=MassivePlatform)
+        self.mpList.core = core
+        self.chatroomList.set_default_value(contactClass=Chatroom)
+        self.chatroomList.core = core
     def dumps(self):
         return {
             'userName'          : self.userName,
@@ -33,11 +43,14 @@ def loads(self, j):
         self.userName          = j.get('userName', None)
         self.nickName          = j.get('nickName', None)
         del self.memberList[:]
-        for i in j.get('memberList', []): self.memberList.append(i)
+        for i in j.get('memberList', []):
+            self.memberList.append(i)
         del self.mpList[:]
-        for i in j.get('mpList', []): self.mpList.append(i)
+        for i in j.get('mpList', []):
+            self.mpList.append(i)
         del self.chatroomList[:]
-        for i in j.get('chatroomList', []): self.chatroomList.append(i)
+        for i in j.get('chatroomList', []):
+            self.chatroomList.append(i)
         self.lastInputUserName = j.get('lastInputUserName', None)
     def search_friends(self, name=None, userName=None, remarkName=None, nickName=None,
             wechatAccount=None):
diff --git a/itchat/storage/templates.py b/itchat/storage/templates.py
new file mode 100644
index 00000000..e1430e74
--- /dev/null
+++ b/itchat/storage/templates.py
@@ -0,0 +1,244 @@
+import logging, copy, pickle
+
+from ..returnvalues import ReturnValue
+
+logger = logging.getLogger('itchat')
+
+class UnInitializedItchat(object):
+    def _raise_error(self, *args, **kwargs):
+        logger.warning('An itchat instance is called before initialized')
+    def __getattr__(self, value):
+        return self._raise_error
+
+fakeItchat = UnInitializedItchat()
+
+class ContactList(list):
+    ''' when a dict is append, init function will be called to format that dict
+    '''
+    def __init__(self, *args, **kwargs):
+        super(ContactList, self).__init__(*args, **kwargs)
+        self.contactInitFn = None
+        self.contactClass = User
+        self.core = fakeItchat
+    def set_default_value(self, initFunction=None, contactClass=None):
+        if hasattr(initFunction, '__call__'):
+            self.contactInitFn = initFunction
+        if hasattr(contactClass, '__call__'):
+            self.contactClass = contactClass
+    def append(self, value):
+        contact = self.contactClass(value)
+        contact.core = self.core
+        if self.contactInitFn is not None:
+            contact = self.contactInitFn(contact)
+        super(ContactList, self).append(contact)
+    def __deepcopy__(self, memo):
+        return self.__class__([copy.deepcopy(v) for v in self])
+    def __getstate__(self):
+        return [pickle.dumps(v) for v in self]
+    def __setstate__(self, state):
+        for v in state:
+            super(ContactList, self).append(pickle.loads(v))
+
+fakeContactList = ContactList
+
+class AbstractUserDict(dict):
+    def __init__(self, *args, **kwargs):
+        super(AbstractUserDict, self).__init__(*args, **kwargs)
+        self.core = fakeItchat
+    def update(self):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not be updated' % \
+                self.__class__.__name__, }, })
+    def set_alias(self, alias):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not set alias' % \
+                self.__class__.__name__, }, })
+    def set_pinned(self, isPinned=True):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not be pinned' % \
+                self.__class__.__name__, }, })
+    def verify(self):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s do not need verify' % \
+                self.__class__.__name__, }, })
+    def get_head_image(self, imageDir=None):
+        return self.core.get_head_img(self.userName, picDir=imageDir)
+    def delete_member(self, userName):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not delete member' % \
+                self.__class__.__name__, }, })
+    def add_member(self, userName):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not add member' % \
+                self.__class__.__name__, }, })
+    def send_raw_msg(self, msgType, content):
+        return self.core.send_raw_msg(msgType, content, self.userName)
+    def send_msg(self, msg='Test Message'):
+        return self.core.send_msg(msgType, content, self.userName)
+    def send_file(self, fileDir, mediaId=None):
+        return self.core.send_file(fileDir, self.userName, mediaId)
+    def send_image(self, fileDir, mediaId=None):
+        return self.core.send_image(fileDir, self.userName, mediaId)
+    def send_video(self, fileDir=None, mediaId=None):
+        return self.core.send_video(fileDir, self.userName, mediaId)
+    def send(self, msg, mediaId=None):
+        return self.core.send(msg, self.userName, mediaId)
+    def search_member(self, name=None, userName=None, remarkName=None, nickName=None,
+            wechatAccount=None):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s do not have members' % \
+                self.__class__.__name__, }, })
+    def __getattr__(self, value):
+        value = value[0].upper() + value[1:]
+        return self.get(value, '')
+    def __deepcopy__(self, memo):
+        r = self.__class__([
+            (copy.deepcopy(k, memo), copy.deepcopy(v, memo))
+            for k, v in self.items()])
+        r.core = self.core
+        return r
+    def __getstate__(self):
+        return dict(self)
+    def __setstate__(self, state):
+        for k, v in state.items():
+            self[k] = v
+        
+class User(AbstractUserDict):
+    def __init__(self, *args, **kwargs):
+        super(User, self).__init__(*args, **kwargs)
+        self.verifyDict = {}
+        self.memberList = fakeContactList
+    def update(self):
+        return self.core.update_friend(self.userName)
+    def set_alias(self, alias):
+        return self.core.set_alias(self.userName, alias)
+    def set_pinned(self, isPinned=True):
+        return self.core.set_pinned(self.userName, isPinned)
+    def verify(self):
+        return self.core.add_friend(**verifyDict)
+    def __deepcopy__(self, memo):
+        r = super(User, self).__deepcopy__(memo)
+        r.verifyDict = copy.deepcopy(self.verifyDict)
+        return r
+
+
+class MassivePlatform(AbstractUserDict):
+    def __init__(self, *args, **kwargs):
+        super(MassivePlatform, self).__init__(*args, **kwargs)
+        self.memberList = fakeContactList
+
+class Chatroom(AbstractUserDict):
+    def __init__(self, *args, **kwargs):
+        super(Chatroom, self).__init__(*args, **kwargs)
+        memberList = ContactList()
+        def init_fn(d):
+            d.chatroom = self
+        memberList.set_default_value(init_fn, ChatroomMember)
+        for rawMember in self.memberList:
+            memberList.append(rawMember)
+        self['MemberList'] = memberList
+    def update(self, detailedMember=False):
+        return self.core.update_chatroom(self.userName, detailedMember)
+    def set_alias(self, alias):
+        return self.core.set_chatroom_name(self.userName, alias)
+    def set_pinned(self, isPinned=True):
+        return self.core.set_pinned(self.userName, isPinned)
+    def delete_member(self, userName):
+        return self.core.delete_member_from_chatroom(self.userName, userName)
+    def add_member(self, userName):
+        return self.core.add_member_into_chatroom(self.userName, userName)
+    def search_member(self, name=None, userName=None, remarkName=None, nickName=None,
+            wechatAccount=None):
+        with self.core.storageClass.updateLock:
+            if (name or userName or remarkName or nickName or wechatAccount) is None:
+                return None
+            elif userName: # return the only userName match
+                for m in self.memberList:
+                    if m.userName == userName:
+                        return copy.deepcopy(m)
+            else:
+                matchDict = {
+                    'RemarkName' : remarkName,
+                    'NickName'   : nickName,
+                    'Alias'      : wechatAccount, }
+                for k in ('RemarkName', 'NickName', 'Alias'):
+                    if matchDict[k] is None:
+                        del matchDict[k]
+                if name: # select based on name
+                    contact = []
+                    for m in self.memberList:
+                        if any([m.get(k) == name for k in ('RemarkName', 'NickName', 'Alias')]):
+                            contact.append(m)
+                else:
+                    contact = self.memberList[:]
+                if matchDict: # select again based on matchDict
+                    friendList = []
+                    for m in contact:
+                        if all([m.get(k) == v for k, v in matchDict.items()]):
+                            friendList.append(m)
+                    return copy.deepcopy(friendList)
+                else:
+                    return copy.deepcopy(contact)
+
+class ChatroomMember(AbstractUserDict):
+    def __init__(self, *args, **kwargs):
+        super(AbstractUserDict, self).__init__(*args, **kwargs)
+        self.core = fakeItchat
+        self.chatroom = self.fakeChatroom
+    def get_head_image(self, imageDir=None):
+        return self.core.get_head_img(self.userName, self.chatroom.userName, picDir=imageDir)
+    def delete_member(self, userName):
+        return self.core.delete_member_from_chatroom(self.chatroom.userName, self.userName)
+    def send_raw_msg(self, msgType, content):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def send_msg(self, msg='Test Message'):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def send_file(self, fileDir, mediaId=None):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def send_image(self, fileDir, mediaId=None):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def send_video(self, fileDir=None, mediaId=None):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def send(self, msg, mediaId=None):
+        return ReturnValue({'BaseResponse': {
+            'Ret': -1006,
+            'ErrMsg': '%s can not send message directly' % \
+                self.__class__.__name__, }, })
+    def __deepcopy__(self, memo):
+        r = super(ChatroomMember, self).__deepcopy__(memo)
+        r.core = self.core
+        return r
+
+ChatroomMember.fakeChatroom = Chatroom()
+
+def wrap_user_dict(d):
+    userName = d.get('UserName')
+    if '@@' in userName:
+        r = Chatroom(d)
+    elif d.get('VerifyFlag', 8) & 8 == 0:
+        r = User(d)
+    else:
+        r = MassivePlatform(d)
+    return r