diff --git a/nonebot_bison/admin_page/__init__.py b/nonebot_bison/admin_page/__init__.py
index 1afb0dc..e8ed2c4 100644
--- a/nonebot_bison/admin_page/__init__.py
+++ b/nonebot_bison/admin_page/__init__.py
@@ -12,7 +12,7 @@ from nonebot.adapters.onebot.v11.event import PrivateMessageEvent
 from .api import router as api_router
 from ..plugin_config import plugin_config
 from .token_manager import token_manager as tm
-from .api import metrics_router as metrics_router
+from ..metrics import metrics_router as metrics_router
 
 if TYPE_CHECKING:
     from nonebot.drivers.fastapi import Driver
diff --git a/nonebot_bison/admin_page/api.py b/nonebot_bison/admin_page/api.py
index 66f431d..da8208c 100644
--- a/nonebot_bison/admin_page/api.py
+++ b/nonebot_bison/admin_page/api.py
@@ -3,13 +3,11 @@ from typing import cast
 import nonebot
 from fastapi import status
 from fastapi.routing import APIRouter
-from starlette.responses import Response
 from fastapi.param_functions import Depends
 from fastapi.exceptions import HTTPException
 from nonebot_plugin_saa import TargetQQGroup
 from nonebot_plugin_saa.auto_select_bot import get_bot
 from fastapi.security.oauth2 import OAuth2PasswordBearer
-from prometheus_client import CONTENT_TYPE_LATEST, generate_latest
 
 from ..types import WeightConfig
 from ..apis import check_sub_target
@@ -285,11 +283,3 @@ async def get_cookie_valid(site_name: str, content: str) -> StatusResp:
         return StatusResp(ok=True, msg="")
     else:
         return StatusResp(ok=False, msg="")
-
-
-metrics_router = APIRouter(prefix="/api/metrics", tags=["metrics"])
-
-
-@metrics_router.get("")
-async def metrics():
-    return Response(media_type=CONTENT_TYPE_LATEST, content=generate_latest())
diff --git a/nonebot_bison/metrics.py b/nonebot_bison/metrics.py
index fbddc98..707440f 100644
--- a/nonebot_bison/metrics.py
+++ b/nonebot_bison/metrics.py
@@ -1,4 +1,6 @@
-from prometheus_client import Counter
+from fastapi import APIRouter
+from starlette.responses import Response
+from prometheus_client import CONTENT_TYPE_LATEST, Counter, generate_latest
 
 # Request counter
 request_counter = Counter("bison_request_counter", "The number of requests")
@@ -7,3 +9,9 @@ success_counter = Counter("bison_success_counter", "The number of successful req
 
 # Sent counter
 sent_counter = Counter("bison_sent_counter", "The number of sent messages")
+metrics_router = APIRouter(prefix="/api/metrics", tags=["metrics"])
+
+
+@metrics_router.get("")
+async def metrics():
+    return Response(media_type=CONTENT_TYPE_LATEST, content=generate_latest())