diff --git a/yunke-server/app/api/routers/customer.py b/yunke-server/app/api/routers/customer.py
index 37a6725..6d42e55 100644
--- a/yunke-server/app/api/routers/customer.py
+++ b/yunke-server/app/api/routers/customer.py
@@ -35,6 +35,7 @@ async def list_customers(
     channel: Annotated[str | None, Query()] = None,
     department_id: Annotated[str | None, Query()] = None,
     owner_account_id: Annotated[str | None, Query()] = None,
+    friend_id: Annotated[str | None, Query()] = None,
     user_id: Annotated[str | None, Query()] = None,
     add_time_since: Annotated[int | None, Query(ge=0)] = None,
     last_chat_since: Annotated[int | None, Query(ge=0)] = None,
@@ -51,6 +52,8 @@ async def list_customers(
             Staff.dept_id == department_id
         )
         conditions.append(Customer.user_id.in_(dept_user_ids))
+    if friend_id is not None:
+        conditions.append(Customer.friend_id == friend_id)
     if user_id is not None:
         conditions.append(Customer.user_id == user_id)
     if add_time_since is not None: