diff --git a/pytchat/tool/downloader.py b/pytchat/tool/downloader.py
index def0a72..e79c36d 100644
--- a/pytchat/tool/downloader.py
+++ b/pytchat/tool/downloader.py
@@ -149,18 +149,18 @@ class Downloader:
         self.blocks = ret
         return self
 
-    def download_each_block(self):
+    def download_blocks(self):
         loop = asyncio.get_event_loop()
-        loop.run_until_complete(self._dl_block())
+        loop.run_until_complete(self._dl_allocate())
         return self
 
-    async def _dl_block(self):
-        futures = []
+    async def _dl_allocate(self):
+        tasks = []
         async with aiohttp.ClientSession() as session:
-            futures = [self._dl_chunk(session, block) for block in self.blocks]
-            return await asyncio.gather(*futures,return_exceptions=True)    
+            tasks = [self._dl_task(session, block) for block in self.blocks]
+            return await asyncio.gather(*tasks,return_exceptions=True)    
 
-    async def _dl_chunk(self, session, block:Block):
+    async def _dl_task(self, session, block:Block):
         if (block.temp_last != -1 and
             block.last > block.temp_last):
             return 
@@ -246,7 +246,7 @@ class Downloader:
                 .remove_duplicate_head()
                 .set_temporary_last()
                 .remove_overwrap()
-                .download_each_block()
+                .download_blocks()
                 .remove_duplicate_tail()
                 .combine()
-        )
\ No newline at end of file
+        )
diff --git a/pytchat/tool/parser.py b/pytchat/tool/parser.py
index 37bb6fd..8b046bd 100644
--- a/pytchat/tool/parser.py
+++ b/pytchat/tool/parser.py
@@ -49,10 +49,9 @@ def get_offset(item):
     return int(item['replayChatItemAction']["videoOffsetTimeMsec"])
 
 def get_id(item):
-    #return list((list(item['replayChatItemAction']["actions"][0].values())[0])['item'].values())[0]['id']
-    return list(item['replayChatItemAction']['actions'][0]['addChatItemAction']['item'].values())[0]['id']
+    return list((list(item['replayChatItemAction']["actions"][0].values())[0])['item'].values())[0].get('id')
 
 def get_type(item):
-    return list(item['replayChatItemAction']["actions"][0]['addChatItemAction']['item'].keys())[0]
+    return list((list(item['replayChatItemAction']["actions"][0].values())[0])['item'].keys())[0]