diff --git a/nonebot_bison/metrics.py b/nonebot_bison/metrics.py
index 1e2c702..0cb65b0 100644
--- a/nonebot_bison/metrics.py
+++ b/nonebot_bison/metrics.py
@@ -10,6 +10,10 @@ request_counter = Counter(
 # Sent counter
 sent_counter = Counter("bison_sent_counter", "The number of sent messages", ["site_name", "platform_name", "target"])
 
+cookie_choose_counter = Counter(
+    "bison_cookie_choose_counter", "The number of cookie choose", ["site_name", "target", "cookie_id"]
+)
+
 metrics_router = APIRouter(prefix="/api/metrics", tags=["metrics"])
 
 
diff --git a/nonebot_bison/utils/site.py b/nonebot_bison/utils/site.py
index aecb00f..ca8127b 100644
--- a/nonebot_bison/utils/site.py
+++ b/nonebot_bison/utils/site.py
@@ -13,6 +13,7 @@ from ..types import Target
 from ..config import config
 from .http import http_client
 from ..config.db_model import Cookie
+from ..metrics import cookie_choose_counter
 
 
 class ClientManager(ABC):
@@ -131,6 +132,7 @@ class CookieClientManager(ClientManager):
         """获取 client，根据 target 选择 cookie"""
         client = http_client()
         cookie = await self._choose_cookie(target)
+        cookie_choose_counter.labels(site_name=self._site_name, target=target, cookie_id=cookie.id).inc()
         if cookie.is_universal:
             logger.trace(f"平台 {self._site_name} 未获取到用户cookie, 使用匿名cookie")
         else: