diff --git a/README.md b/README.md
index ab474db..642237f 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,7 @@ docker run -it --name buff2steam --rm -v $PWD/config.json:/app/config.json ghcr.
     "webgui_refresh_time": 1 // update time of webgui in seconds or false, for none
   },
   "buff": {
+    "sort_by": "sell_num.desc",  // sort by Quantity (descending), Available options: null, "price.asc", "price.desc", "sell_num.desc"
     "request_interval": 4,  // buff api request interval (in seconds)
     "requests_kwargs": {
       "headers": {
diff --git a/buff2steam/__main__.py b/buff2steam/__main__.py
index 9b65dac..2f52618 100644
--- a/buff2steam/__main__.py
+++ b/buff2steam/__main__.py
@@ -76,8 +76,7 @@ async def main():
             async with Buff(
                     game=config['main']['game'],
                     game_appid=config['main']['game_appid'],
-                    request_interval=config['buff']['request_interval'],
-                    request_kwargs=config['buff']['requests_kwargs'],
+                    config=config['buff'],
             ) as buff, Steam(
                 game_appid=config['main']['game_appid'],
                 request_interval=config['steam']['request_interval'],
diff --git a/buff2steam/provider/buff.py b/buff2steam/provider/buff.py
index 4b86541..c8223da 100644
--- a/buff2steam/provider/buff.py
+++ b/buff2steam/provider/buff.py
@@ -21,15 +21,15 @@ class Buff:
 
     csrf_pattern = re.compile(r'name="csrf_token"\s*content="(.+?)"')
 
-    def __init__(self, game='dota2', game_appid=570, request_interval=10, request_kwargs=None):
-        if request_kwargs is None:
-            request_kwargs = {}
-
-        self.request_interval = request_interval
-        self.request_locks = {}  # {url: [asyncio.Lock, last_request_time]}
-        self.request_kwargs = request_kwargs
+    def __init__(self, game, game_appid, config):
         self.game = game
         self.game_appid = game_appid
+
+        self.request_interval = config.get('request_interval', 4)
+        self.request_kwargs = config.get('requests_kwargs', {})
+        self.sort_by = config.get('sort_by', None)
+
+        self.request_locks = {}  # {url: [asyncio.Lock, last_request_time]}
         self.opener = httpx.AsyncClient(base_url=self.base_url, **self.request_kwargs)
 
     async def __aenter__(self):
@@ -56,18 +56,23 @@ async def request(self, *args, **kwargs) -> dict:
 
             return response.json()['data']
 
-    async def get_total_page(self):
-        response = await self.request('get', self.web_goods, params={
-            'page_num': 1,
+    def _build_web_goods_params(self, page_num):
+        params = {
+            'page_num': page_num,
             'game': self.game
-        })
+        }
+
+        if self.sort_by:
+            params['sort_by'] = self.sort_by
+
+        return params
+
+    async def get_total_page(self):
+        response = await self.request('get', self.web_goods, params=self._build_web_goods_params(1))
 
         return response.get('total_page')
 
     async def get_items(self, page):
-        response = await self.request('get', self.web_goods, params={
-            'page_num': page,
-            'game': self.game
-        })
+        response = await self.request('get', self.web_goods, params=self._build_web_goods_params(page))
 
         return response.get('items')
diff --git a/buff_scanner.py b/buff_scanner.py
index 64c93ca..be71c0f 100644
--- a/buff_scanner.py
+++ b/buff_scanner.py
@@ -32,7 +32,7 @@ async def main():
     buff = Buff(
         config['main']['game'],
         config['main']['game_appid'],
-        config['buff']['requests_kwargs']
+        config['buff']
     )
 
     total_page = await buff.get_total_page()
diff --git a/config.sample.json b/config.sample.json
index 05d8a8d..2e6c67f 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -11,6 +11,7 @@
     "webgui_refresh_time": 1
   },
   "buff": {
+    "sort_by": "sell_num.desc",
     "request_interval": 4,
     "requests_kwargs": {
       "headers": {