diff --git a/woa/init.py b/woa/init.py
index 8d224c2..31f785e 100644
--- a/woa/init.py
+++ b/woa/init.py
@@ -4,12 +4,12 @@ from aiohttp import web, ClientSession, FormData, ClientTimeout
 from wechatpy.crypto import WeChatCrypto
 from wechatpy.exceptions import InvalidSignatureException, WeChatClientException
 from wechatpy.messages import (
-    Message, TextMessage, ImageMessage, VoiceMessage, VideoMessage, 
-    LocationMessage, LinkMessage, EventMessage
+	Message, TextMessage, ImageMessage, VoiceMessage, VideoMessage, 
+	LocationMessage, LinkMessage, EventMessage
 )
 from wechatpy.replies import (
-    TextReply, ImageReply, VoiceReply, VideoReply, 
-    ArticlesReply, MusicReply
+	TextReply, ImageReply, VoiceReply, VideoReply, 
+	ArticlesReply, MusicReply
 )
 from ahserver.configuredServer import add_cleanupctx
 from ahserver.serverenv import ServerEnv
@@ -37,8 +37,8 @@ class WOAHandler:
 		if tim > self.client_token_expire_in - 20:
 			f = awaitify(self.client.fetch_access_token)
 			data = await f()
-            self.client_token = data['access_token']
-            self.client_token_expire_in = time.time() + data['expire_in']
+			self.client_token = data['access_token']
+			self.client_token_expire_in = time.time() + data['expire_in']
 		return self.client_token
 
 	async def upload_media(self, media_type:str, file_path:str) -> str:
@@ -75,7 +75,7 @@ class WOAHandler:
 	async def messagehandler(self, request:web.Request, msg:Message):
 		"""
 		TextMessage, ImageMessage, VoiceMessage, VideoMessage,
-    LocationMessage, LinkMessage, EventMessage
+	LocationMessage, LinkMessage, EventMessage
 		"""
 		dic = DictObject()
 		dic.received_at = time.time()
@@ -133,9 +133,9 @@ class WOAHandler:
 				message=msg,
 				title=rzt_msg.title,
 				description=rzt_msg.description,
-				music_url=rzt_msg.music_url,       # 核心：播放链接
+				music_url=rzt_msg.music_url,	   # 核心：播放链接
 				hq_music_url=rzt_msg.hq_music_url, # 核心：高质量链接
-				thumb_media_id=media_id             # 核心：封面图 media_id
+				thumb_media_id=media_id			 # 核心：封面图 media_id
 			)
 			return reply
 		if rzt_msg.msgtype == 'article':