diff --git a/mmdeploy/codebase/base/task.py b/mmdeploy/codebase/base/task.py
index 71efbf545e..21d7b59d57 100644
--- a/mmdeploy/codebase/base/task.py
+++ b/mmdeploy/codebase/base/task.py
@@ -52,7 +52,7 @@ def __init__(self,
         if not DefaultScope.check_instance_created(self.experiment_name):
             self.scope = DefaultScope.get_instance(
                 self.experiment_name,
-                scope_name=self.model_cfg.get('default_scope'))
+                scope_name=str(self.model_cfg.get('default_scope')))
         else:
             self.scope = DefaultScope.get_instance(self.experiment_name)