Update main.py

main.py

@@ -712,7 +712,7 @@ def get_upload_lock():
     global _upload_lock
     if _upload_lock is None:
         # ظرفیت روی 50 تنظیم شد.
-        _upload_lock = asyncio.Semaphore(50) 
+        _upload_lock = asyncio.Semaphore(2) 
     return _upload_lock
 
 async def get_shared_session():