diff --git a/examples/lr/train_lr.yaml b/examples/lr/train_lr.yaml
index 1b13597d7..ccd59ffe9 100644
--- a/examples/lr/train_lr.yaml
+++ b/examples/lr/train_lr.yaml
@@ -80,7 +80,7 @@ dag:
       - lr_0
       inputs:
         data:
-          input_data:
+          input_datas:
             task_output_artifact:
               - output_artifact_key: train_output_data
                 producer_task: lr_0
diff --git a/python/fate_flow/controller/task.py b/python/fate_flow/controller/task.py
index 3c3453f2f..f87fef197 100644
--- a/python/fate_flow/controller/task.py
+++ b/python/fate_flow/controller/task.py
@@ -120,8 +120,8 @@ def update_local(task):
     @staticmethod
     def update_launcher_config(task, launcher_name, task_parameters):
         # support deepspeed and other launcher
-        if task.f_role == "arbiter":
-            return
+        # if task.f_role == "arbiter":
+        #     return
         schedule_logger(task.f_job_id).info(f"task runtime launcher name: {launcher_name}")
         if launcher_name and launcher_name != LauncherType.DEFAULT:
             task_parameters.launcher_name = task.f_launcher_name = launcher_name