diff --git a/opencompass/runners/local.py b/opencompass/runners/local.py
index 2c1589d44..f32c24706 100644
--- a/opencompass/runners/local.py
+++ b/opencompass/runners/local.py
@@ -216,6 +216,7 @@ def _launch(self, task, gpu_ids, index):
         param_file = f'{pwd}/tmp/{uuid_str}_params.py'
 
         try:
+            object.__setattr__(task.cfg, "_format_python_code", False)
             task.cfg.dump(param_file)
             tmpl = get_command_template(gpu_ids)
             get_cmd = partial(task.get_command,