diff --git a/nonebot_plugin_tetris_stats/games/top/query.py b/nonebot_plugin_tetris_stats/games/top/query.py
index 881091c..2c46d27 100644
--- a/nonebot_plugin_tetris_stats/games/top/query.py
+++ b/nonebot_plugin_tetris_stats/games/top/query.py
@@ -78,7 +78,7 @@ async def make_query_image(profile: UserProfile) -> bytes:
         await render(
             'v1/top/info',
             Info(
-                user=People(avatar=get_avatar(), name=profile.user_name),
+                user=People(avatar=get_avatar(profile.user_name), name=profile.user_name),
                 today=InfoData(pps=today.pps, lpm=today.lpm, apm=today.apm, apl=today.apl),
                 history=InfoData(pps=history.pps, lpm=history.lpm, apm=history.apm, apl=history.apl),
             ),
diff --git a/nonebot_plugin_tetris_stats/games/tos/query.py b/nonebot_plugin_tetris_stats/games/tos/query.py
index 7f02df6..da1ac08 100644
--- a/nonebot_plugin_tetris_stats/games/tos/query.py
+++ b/nonebot_plugin_tetris_stats/games/tos/query.py
@@ -223,7 +223,7 @@ async def make_query_image(user_info: UserInfoSuccess, game_data: GameData, even
                 user=People(
                     avatar=await get_avatar(event_user_info, 'Data URI', None)
                     if event_user_info is not None
-                    else get_random_avatar(),
+                    else get_random_avatar(user_info.data.teaid),
                     name=user_info.data.name,
                 ),
                 ranking=Ranking(rating=float(user_info.data.ranking), rd=round(float(user_info.data.rd_now), 2)),
diff --git a/nonebot_plugin_tetris_stats/utils/render/avatar/__init__.py b/nonebot_plugin_tetris_stats/utils/render/avatar/__init__.py
index 6048c4f..d1b3d64 100644
--- a/nonebot_plugin_tetris_stats/utils/render/avatar/__init__.py
+++ b/nonebot_plugin_tetris_stats/utils/render/avatar/__init__.py
@@ -1,6 +1,6 @@
 from base64 import b64encode
 from io import BytesIO
-from random import choice, randint
+from random import Random
 
 from PIL import Image
 from PIL.Image import Resampling
@@ -8,12 +8,13 @@ from PIL.Image import Resampling
 from .draw import PIECE_MEMBERS, SkinManager
 
 
-def get_avatar() -> str:
+def get_avatar(send: float | str | bytes | bytearray | None = None) -> str:
+    random = Random(send)  # noqa: S311
     skin = (
-        SkinManager.get_skin()
-        .get_piece(choice(PIECE_MEMBERS))  # noqa: S311
+        SkinManager.get_skin(send)
+        .get_piece(random.choice(PIECE_MEMBERS))
         .rotate(
-            randint(-360, 360),  # noqa: S311
+            random.randint(-360, 360),
             expand=True,
             resample=Resampling.BICUBIC,
         )
diff --git a/nonebot_plugin_tetris_stats/utils/render/avatar/draw/__init__.py b/nonebot_plugin_tetris_stats/utils/render/avatar/draw/__init__.py
index 1ea9e60..5372df6 100644
--- a/nonebot_plugin_tetris_stats/utils/render/avatar/draw/__init__.py
+++ b/nonebot_plugin_tetris_stats/utils/render/avatar/draw/__init__.py
@@ -1,6 +1,6 @@
 from abc import ABC, abstractmethod
 from enum import Enum
-from random import choice
+from random import Random
 from typing import Any, ClassVar
 
 from PIL.Image import Image
@@ -151,8 +151,8 @@ class SkinManager:
         cls.skin.append(skin)
 
     @classmethod
-    def get_skin(cls) -> 'Skin':
-        return choice(cls.skin)  # noqa: S311
+    def get_skin(cls, send: float | str | bytes | bytearray | None = None) -> 'Skin':
+        return Random(send).choice(cls.skin)  # noqa: S311
 
 
 class Skin(ABC):
diff --git a/nonebot_plugin_tetris_stats/utils/render/avatar/draw/tech/__init__.py b/nonebot_plugin_tetris_stats/utils/render/avatar/draw/tech/__init__.py
index 07816c5..981c1f3 100644
--- a/nonebot_plugin_tetris_stats/utils/render/avatar/draw/tech/__init__.py
+++ b/nonebot_plugin_tetris_stats/utils/render/avatar/draw/tech/__init__.py
@@ -90,5 +90,5 @@ class TechSkin(Skin):
 @driver.on_startup
 def _():
     path = Path(__file__).parent / 'skins'
-    for i in path.iterdir():
+    for i in sorted(path.iterdir()):
         TechSkin(i)