diff --git a/dbm-ui/backend/db_services/taskflow/views/flow.py b/dbm-ui/backend/db_services/taskflow/views/flow.py
index e559c8ec7a..1a85643c0d 100644
--- a/dbm-ui/backend/db_services/taskflow/views/flow.py
+++ b/dbm-ui/backend/db_services/taskflow/views/flow.py
@@ -37,8 +37,10 @@
 from backend.iam_app.handlers.drf_perm.base import DBManagePermission
 from backend.iam_app.handlers.drf_perm.taskflow import TaskFlowPermission
 from backend.iam_app.handlers.permission import Permission
-from backend.ticket.models import Flow
-from backend.utils.basic import get_target_items_from_details
+from backend.ticket.builders.common.base import fetch_host_ids
+from backend.ticket.constants import TODO_RUNNING_STATUS, TodoType
+from backend.ticket.models import Flow, Todo
+from backend.ticket.serializers import TodoSerializer
 
 logger = logging.getLogger("root")
 SWAGGER_TAG = "taskflow"
@@ -97,27 +99,28 @@ def list(self, requests, *args, **kwargs):
     def retrieve(self, requests, *args, **kwargs):
         root_id = kwargs["root_id"]
         tree_states = BambooEngine(root_id=root_id).get_pipeline_tree_states()
+        flow_info = super().retrieve(requests, *args, **kwargs).data
 
-        flow_info = super().retrieve(requests, *args, **kwargs)
+        # 补充获取业务和主机信息
         try:
-            # 获取当前flow的参数
-            details = Flow.objects.get(flow_obj_id=root_id).details["ticket_data"]
             # 递归遍历字典，获取主机ID
-            bk_host_ids = get_target_items_from_details(
-                obj=details, match_keys=["host_id", "bk_host_id", "bk_host_ids"]
-            )
-            bk_biz_id = details["bk_biz_id"]
+            details = Flow.objects.get(flow_obj_id=root_id).details["ticket_data"]
+            bk_biz_id, bk_host_ids = details["bk_biz_id"], fetch_host_ids(details)
             # 如果当前pipeline整在运行中，并且是从资源池拿取的机器，则bk_biz_id设置为DBA_APP_BK_BIZ_ID
-            if flow_info.data["status"] != StateType.FINISHED and details.get("ip_source") == IpSource.RESOURCE_POOL:
+            if flow_info["status"] != StateType.FINISHED and details.get("ip_source") == IpSource.RESOURCE_POOL:
                 bk_biz_id = env.DBA_APP_BK_BIZ_ID
-            # 更新flow_info
-            logger.warning("bk_host_ids: {}, bk_biz_id: {}".format(bk_host_ids, bk_biz_id))
-            flow_info.data.update(bk_host_ids=bk_host_ids, bk_biz_id=bk_biz_id)
+            flow_info.update(bk_host_ids=bk_host_ids, bk_biz_id=bk_biz_id)
         except Exception as e:
             # 如果没找到flow或者相关bk_host_id参数，则忽略
             logger.info("can not find related host, root_id: {} Exception: {} ".format(root_id, e))
 
-        return Response({"flow_info": flow_info.data, **tree_states})
+        # 补充获取正在进行的todo
+        todo_qs = Todo.objects.filter(
+            flow__flow_obj_id=root_id, type=TodoType.INNER_APPROVE, status__in=TODO_RUNNING_STATUS
+        )
+        todos = TodoSerializer(todo_qs, many=True).data
+
+        return Response({"flow_info": flow_info, "todos": todos, **tree_states})
 
     @common_swagger_auto_schema(
         operation_summary=_("撤销流程"),
diff --git a/dbm-ui/backend/ticket/builders/common/base.py b/dbm-ui/backend/ticket/builders/common/base.py
index 1d7406b46c..408d15b569 100644
--- a/dbm-ui/backend/ticket/builders/common/base.py
+++ b/dbm-ui/backend/ticket/builders/common/base.py
@@ -47,18 +47,20 @@ def fetch_cluster_ids(details: Dict[str, Any]) -> List[int]:
         "target_cluster",
         "target_clusters",
     ]
-    return [
-        item for item in get_target_items_from_details(obj=details, match_keys=cluster_keys) if isinstance(item, int)
-    ]
+    targets = get_target_items_from_details(obj=details, match_keys=cluster_keys)
+    return [item for item in targets if isinstance(item, int)]
 
 
 def fetch_instance_ids(details: Dict[str, Any]) -> List[int]:
     instance_id_keys = ["instance_id", "instance_ids"]
-    return [
-        item
-        for item in get_target_items_from_details(obj=details, match_keys=instance_id_keys)
-        if isinstance(item, (int, str))
-    ]
+    targets = get_target_items_from_details(obj=details, match_keys=instance_id_keys)
+    return [item for item in targets if isinstance(item, (int, str))]
+
+
+def fetch_host_ids(details: Dict[str, Any]) -> List[int]:
+    host_keys = ["host_id", "bk_host_id", "bk_host_ids"]
+    targets = get_target_items_from_details(obj=details, match_keys=host_keys)
+    return [item for item in targets if isinstance(item, int)]
 
 
 def remove_useless_spec(attrs: Dict[str, Any]) -> Dict[str, Any]: