diff --git a/bot/__init__.py b/bot/__init__.py
index c05a791..aa3c9c0 100644
--- a/bot/__init__.py
+++ b/bot/__init__.py
@@ -5,7 +5,7 @@ from .config import Telegram, LOGGER_CONFIG_JSON
 
 dictConfig(LOGGER_CONFIG_JSON)
 
-version = 1.3
+version = 1.4
 logger = getLogger('bot')
 
 TelegramBot = Client(
diff --git a/bot/config.py b/bot/config.py
index 56a8c5d..d2ce2dc 100644
--- a/bot/config.py
+++ b/bot/config.py
@@ -42,7 +42,7 @@ LOGGER_CONFIG_JSON = {
             'handlers': ['file_handler', 'stream_handler']
         },
         'uvicorn.error': {
-            'level': 'CRITICAL',
+            'level': 'WARNING',
             'handlers': ['file_handler', 'stream_handler']
         },
         'bot': {
diff --git a/bot/server/main.py b/bot/server/main.py
index 2c794c5..558a33a 100644
--- a/bot/server/main.py
+++ b/bot/server/main.py
@@ -41,7 +41,7 @@ async def transmit_file(file_id):
     last_part_cut = until_bytes % chunk_size + 1
 
     req_length = until_bytes - from_bytes + 1
-    part_count = ceil(until_bytes / chunk_size) - offset
+    part_count = ceil(until_bytes / chunk_size) - floor((from_bytes - (from_bytes % chunk_size)) / chunk_size)
 
     disposition = 'inline' if 'video' in mime_type or 'audio' in mime_type or 'html' in mime_type else 'attachment'
     headers={
@@ -55,7 +55,7 @@ async def transmit_file(file_id):
     async def file_streamer():
         current_part = 1
         async for chunk in TelegramBot.stream_media(file, offset = offset):
-            
+
             if not chunk:
                 break
             elif part_count == 1: