diff --git a/README.md b/README.md
index cadbdc9..0d31592 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,14 @@ Other features:
 + Quick fetching of initial chat data by generating continuation params
 instead of web scraping.
 
+For more detailed information, see [wiki](https://github.com/taizan-hokuto/pytchat/wiki)
+
 ## Install
 ```python
 pip install pytchat
 ```
+## Demo
+![demo](https://taizan-hokuto.github.io/statics/demo.gif "demo")
 
 ## Examples
 ### on-demand mode
diff --git a/pytchat/__init__.py b/pytchat/__init__.py
index e5e069a..b16080c 100644
--- a/pytchat/__init__.py
+++ b/pytchat/__init__.py
@@ -2,7 +2,7 @@
 pytchat is a python library for fetching youtube live chat.
 """
 __copyright__    = 'Copyright (C) 2019 taizan-hokuto'
-__version__      = '0.0.2.1'
+__version__      = '0.0.2.2'
 __license__      = 'MIT'
 __author__       = 'taizan-hokuto'
 __author_email__ = '55448286+taizan-hokuto@users.noreply.github.com'
@@ -13,6 +13,7 @@ __all__ = ["core_async","core_multithread","processors"]
 from .api import (
     LiveChat,
     LiveChatAsync,
+    ChatProcessor,
     CompatibleProcessor, 
     SimpleDisplayProcessor,
     JsonfileArchiveProcessor
diff --git a/pytchat/api.py b/pytchat/api.py
index beeec65..516a416 100644
--- a/pytchat/api.py
+++ b/pytchat/api.py
@@ -1,5 +1,6 @@
 from .core_async.livechat import LiveChatAsync
 from .core_multithread.livechat import LiveChat
+from .processors.chat_processor import ChatProcessor
 from .processors.default.processor import DefaultProcessor
 from .processors.compatible.processor import CompatibleProcessor
 from .processors.simple_display_processor import SimpleDisplayProcessor
diff --git a/pytchat/core_async/buffer.py b/pytchat/core_async/buffer.py
index 7510f19..5abdc7a 100644
--- a/pytchat/core_async/buffer.py
+++ b/pytchat/core_async/buffer.py
@@ -2,7 +2,7 @@
 import asyncio
 class Buffer(asyncio.Queue):
     '''
-    チャットデータを格納するバッファの役割を持つLIFOキュー
+    チャットデータを格納するバッファの役割を持つFIFOキュー
 
     Parameter
     ---------
diff --git a/pytchat/core_async/livechat.py b/pytchat/core_async/livechat.py
index 93d9fcc..9388442 100644
--- a/pytchat/core_async/livechat.py
+++ b/pytchat/core_async/livechat.py
@@ -1,4 +1,4 @@
-import aiohttp, asyncio, async_timeout
+import aiohttp, asyncio
 import datetime
 import json
 import random
diff --git a/pytchat/core_multithread/buffer.py b/pytchat/core_multithread/buffer.py
index 1178839..c1ef2fe 100644
--- a/pytchat/core_multithread/buffer.py
+++ b/pytchat/core_multithread/buffer.py
@@ -3,7 +3,7 @@ import queue
 
 class Buffer(queue.Queue):
     '''
-    チャットデータを格納するバッファの役割を持つLIFOキュー
+    チャットデータを格納するバッファの役割を持つFIFOキュー
 
     Parameter
     ---------
diff --git a/pytchat/processors/chat_processor.py b/pytchat/processors/chat_processor.py
index 8f79629..2b94221 100644
--- a/pytchat/processors/chat_processor.py
+++ b/pytchat/processors/chat_processor.py
@@ -5,11 +5,12 @@ class ChatProcessor:
     '''
     def process(self, chat_components: list):
         '''
-        チャットデータの加工を表すインターフェース
-        Listenerから呼び出される。        
+        チャットデータの加工を表すインターフェース。
+        LiveChatオブジェクトから呼び出される。 
+               
         Parameter
         ----------
-        chat_components: list<component>
+        chat_components: [LIST:component]
             component : dict {
                 "video_id" : str
                     動画ID