diff --git a/src/langbot/pkg/core/app.py b/src/langbot/pkg/core/app.py
index 79459b706..f1bff1c5b 100644
--- a/src/langbot/pkg/core/app.py
+++ b/src/langbot/pkg/core/app.py
@@ -326,10 +326,13 @@ class Application:
     async def run(self):
         self.event_loop_monitor.start()
         try:
-            if self.directory_projection_service is not None and getattr(self, "directory_projection_task", None) is None:
+            if (
+                self.directory_projection_service is not None
+                and getattr(self, 'directory_projection_task', None) is None
+            ):
                 self.directory_projection_task = self.task_mgr.create_task(
                     self.directory_projection_service.run(),
-                    name="cloud-directory-projection",
+                    name='cloud-directory-projection',
                     scopes=[core_entities.LifecycleControlScope.APPLICATION],
                 )
             if self.cloud_model_catalog_service is not None:
@@ -344,6 +347,7 @@ class Application:
                     name='cloud-manifest-refresh',
                     scopes=[core_entities.LifecycleControlScope.APPLICATION],
                 )
+
             # 后续可能会允许动态重启其他任务
             # 故为了防止程序在非 Ctrl-C 情况下退出，这里创建一个不会结束的协程
             async def never_ending():
diff --git a/src/langbot/pkg/core/stages/build_app.py b/src/langbot/pkg/core/stages/build_app.py
index fed6031fc..7941a5553 100644
--- a/src/langbot/pkg/core/stages/build_app.py
+++ b/src/langbot/pkg/core/stages/build_app.py
@@ -298,7 +298,7 @@ class BuildAppStage(stage.BootingStage):
             # its long-lived tasks, so start the single refresh task here.
             ap.directory_projection_task = ap.task_mgr.create_task(
                 ap.directory_projection_service.run(),
-                name="cloud-directory-projection",
+                name='cloud-directory-projection',
                 scopes=[core_entities.LifecycleControlScope.APPLICATION],
             )
 
diff --git a/src/langbot/pkg/plugin/connector.py b/src/langbot/pkg/plugin/connector.py
index bcdf4fe8e..03893cf4c 100644
--- a/src/langbot/pkg/plugin/connector.py
+++ b/src/langbot/pkg/plugin/connector.py
@@ -701,7 +701,9 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
             }
             self._known_desired_states.update({state.binding.installation_uuid: state for state in desired_states})
 
-        reconcile_timeout_seconds = max(300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get("plugin", {})))
+        reconcile_timeout_seconds = max(
+            300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get('plugin', {}))
+        )
         result = await runtime_handler.reconcile_plugin_installations(
             tuple(self._known_desired_states.values()),
             timeout=reconcile_timeout_seconds,
@@ -740,7 +742,9 @@ class PluginRuntimeConnector(ManagedRuntimeConnector):
                     if state.binding.installation_uuid in all_states:
                         raise ValueError('Duplicate plugin installation UUID across projected Workspaces')
                     all_states[state.binding.installation_uuid] = state
-            reconcile_timeout_seconds = max(300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get("plugin", {})))
+            reconcile_timeout_seconds = max(
+                300.0, self._runtime_connect_timeout(self.ap.instance_config.data.get('plugin', {}))
+            )
             result = await runtime_handler.reconcile_plugin_installations(
                 tuple(all_states.values()),
                 timeout=reconcile_timeout_seconds,