diff --git a/lang_agent/front_api/build_server_utils.py b/lang_agent/front_api/build_server_utils.py
index 8c58753..991894e 100644
--- a/lang_agent/front_api/build_server_utils.py
+++ b/lang_agent/front_api/build_server_utils.py
@@ -18,9 +18,10 @@ def opt_to_config(save_path: str, *nargs):
         cwd=_PROJECT_ROOT,
     )
 
-def _build_and_load_pipeline_config(pipeline_id: str,
-                                    pipeline_config_dir: str,
-                                    cmd: List[str]):
+
+def _build_and_load_pipeline_config(
+    pipeline_id: str, pipeline_config_dir: str, cmd: List[str]
+):
     save_config_f = osp.join(pipeline_config_dir, f"{pipeline_id}.yml")
     opt_to_config(save_config_f, *cmd)
 
@@ -28,54 +29,56 @@ def _build_and_load_pipeline_config(pipeline_id: str,
     return load_tyro_conf(save_config_f)
 
 
-def update_pipeline_registry(pipeline_id:str, # the agent name -- xiaozhan, blueberry
-                             prompt_set:str,  # the version of the prompt for xiaozhan/blueberry
-                             graph_id: str,   # what type of graph is this pipeline.
-                             config_file: str,
-                             llm_name: str,
-                             enabled: bool = True,
-                             registry_f:str="configs/pipeline_registry.json"):
+def update_pipeline_registry(
+    pipeline_id: str,
+    graph_id: str,
+    config_file: str,
+    llm_name: str,
+    enabled: bool = True,
+    registry_f: str = "configs/pipeline_registry.json",
+):
     if not osp.isabs(registry_f):
         registry_f = osp.join(_PROJECT_ROOT, registry_f)
     os.makedirs(osp.dirname(registry_f), exist_ok=True)
     if not osp.exists(registry_f):
         with open(registry_f, "w", encoding="utf-8") as f:
-            json.dump({"routes": {}, "api_keys": {}}, f, indent=4)
+            json.dump({"pipelines": {}, "api_keys": {}}, f, indent=4)
 
     with open(registry_f, "r") as f:
         registry = json.load(f)
 
-    routes: Dict[str, Dict[str, Any]] = registry.setdefault("routes", {})
-    route = routes.setdefault(pipeline_id, {})
-    route["enabled"] = bool(enabled)
-    route["config_file"] = config_file
-    route["prompt_pipeline_id"] = prompt_set
-    route["graph_id"] = graph_id
-    route["overrides"] = {"llm_name": llm_name}
+    pipelines: Dict[str, Dict[str, Any]] = registry.setdefault("pipelines", {})
+    pipeline = pipelines.setdefault(pipeline_id, {})
+    pipeline["enabled"] = bool(enabled)
+    pipeline["config_file"] = config_file
+    pipeline["graph_id"] = graph_id
+    pipeline["overrides"] = {"llm_name": llm_name}
 
     with open(registry_f, "w", encoding="utf-8") as f:
         json.dump(registry, f, indent=4)
 
 
-def build_route(pipeline_id:str,
-                prompt_set:str,
-                tool_keys:List[str],
-                api_key: str,
-                llm_name:str="qwen-plus",
-                pipeline_config_dir="configs/pipelines"):
+def build_route(
+    pipeline_id: str,
+    prompt_set: str,
+    tool_keys: List[str],
+    api_key: str,
+    llm_name: str = "qwen-plus",
+    pipeline_config_dir="configs/pipelines",
+):
     cmd_opt = [
-        "route",            # ------------
+        "route",  # ------------
         "--llm-name", llm_name,
         "--api-key", api_key,
         "--pipeline-id", pipeline_id,
         "--prompt-set-id", prompt_set,
-        "tool_node",        # ------------
+        "tool_node",  # ------------
         "--llm-name", llm_name,
         "--api-key", api_key,
         "--pipeline-id", pipeline_id,
         "--prompt-set-id", prompt_set,
-        ]
-    
+    ]
+
     if tool_keys:
         cmd_opt.extend(
             ["--tool-manager-config.client-tool-manager.tool-keys", *tool_keys]
@@ -84,14 +87,16 @@ def build_route(pipeline_id:str,
     return _build_and_load_pipeline_config(pipeline_id, pipeline_config_dir, cmd_opt)
 
 
-def build_react(pipeline_id:str,
-                prompt_set:str,
-                tool_keys:List[str],
-                api_key: str,
-                llm_name:str="qwen-plus",
-                pipeline_config_dir="configs/pipelines"):
+def build_react(
+    pipeline_id: str,
+    prompt_set: str,
+    tool_keys: List[str],
+    api_key: str,
+    llm_name: str = "qwen-plus",
+    pipeline_config_dir="configs/pipelines",
+):
     cmd_opt = [
-        "react",            # ------------
+        "react",  # ------------
         "--llm-name", llm_name,
         "--api-key", api_key,
         "--pipeline-id", pipeline_id,
@@ -109,4 +114,4 @@ def build_react(pipeline_id:str,
 GRAPH_BUILD_FNCS = {
     "routing": build_route,
     "react": build_react,
-}
\ No newline at end of file
+}