diff --git a/nhentai/downloader.py b/nhentai/downloader.py
index 9e3b21d..9bcb6f2 100644
--- a/nhentai/downloader.py
+++ b/nhentai/downloader.py
@@ -1,19 +1,18 @@
 # coding: utf-
 
 import os
+import asyncio
+import httpx
 import urllib3.exceptions
 
 from urllib.parse import urlparse
 from nhentai import constant
 from nhentai.logger import logger
-from nhentai.utils import Singleton
+from nhentai.utils import Singleton, async_request
 
-import asyncio
-import httpx
 
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
-
 class NHentaiImageNotExistException(Exception):
     pass
 
@@ -68,14 +67,14 @@ class Downloader(Singleton):
                 logger.warning(f'Skipped download: {save_file_path} already exists')
                 return 1, url
 
-            response = await self.async_request(url, self.timeout)  # TODO: Add proxy
+            response = await async_request('GET', url, timeout=self.timeout, proxies=proxy)
 
             if response.status_code != 200:
                 path = urlparse(url).path
                 for mirror in constant.IMAGE_URL_MIRRORS:
                     logger.info(f"Try mirror: {mirror}{path}")
                     mirror_url = f'{mirror}{path}'
-                    response = await self.async_request(mirror_url, self.timeout)
+                    response = await async_request('GET', mirror_url, timeout=self.timeout, proxies=proxy)
                     if response.status_code == 200:
                         break
 
@@ -128,12 +127,8 @@ class Downloader(Singleton):
                         f.write(chunk)
         return True
 
-    async def async_request(self, url, timeout):
-        async with httpx.AsyncClient() as client:
-            return await client.get(url, timeout=timeout)
 
     def start_download(self, queue, folder='') -> bool:
-        logger.warning("Proxy temporarily unavailable, it will be fixed later. ")
         if not isinstance(folder, (str,)):
             folder = str(folder)
 
diff --git a/nhentai/utils.py b/nhentai/utils.py
index 6e50a7e..f445201 100644
--- a/nhentai/utils.py
+++ b/nhentai/utils.py
@@ -6,6 +6,7 @@ import os
 import zipfile
 import shutil
 
+import httpx
 import requests
 import sqlite3
 import urllib.parse
@@ -32,8 +33,28 @@ def request(method, url, **kwargs):
     return getattr(session, method)(url, verify=False, **kwargs)
 
 
+async def async_request(method, url, proxies = None, **kwargs):
+    headers = {
+        'Referer': constant.LOGIN_URL,
+        'User-Agent': constant.CONFIG['useragent'],
+        'Cookie': constant.CONFIG['cookie'],
+    }
+
+    if proxies is None:
+        proxies = constant.CONFIG['proxy']
+
+    if proxies.get('http') == '' and proxies.get('https') == '':
+        proxies = None
+
+    async with httpx.AsyncClient(headers=headers, verify=False, proxies=proxies, **kwargs) as client:
+        response = await client.request(method, url, **kwargs)
+
+    return response
+
+
 def check_cookie():
     response = request('get', constant.BASE_URL)
+
     if response.status_code == 403 and 'Just a moment...' in response.text:
         logger.error('Blocked by Cloudflare captcha, please set your cookie and useragent')
         sys.exit(1)