diff --git a/dbm-ui/backend/components/base.py b/dbm-ui/backend/components/base.py
index a49dd91a67..2598fb6a08 100644
--- a/dbm-ui/backend/components/base.py
+++ b/dbm-ui/backend/components/base.py
@@ -420,8 +420,7 @@ def _set_session_headers(self, session, local_request, headers: Dict, params: Di
         bkapi_auth_headers = {
             "bk_app_code": params.pop("bk_app_code", env.APP_CODE),
             "bk_app_secret": params.pop("bk_app_secret", env.SECRET_KEY),
-            # 如果既不是use_admin，也非local_request请求，则用户先置为空
-            "bk_username": "",
+            "bk_username": params.pop("bk_username", "Anonymous"),
         }
         if use_admin or self.is_backend_request():
             # 使用管理员/平台身份调用接口