diff --git a/metagpt/roles/role.py b/metagpt/roles/role.py
index ed02575db..f605f5010 100644
--- a/metagpt/roles/role.py
+++ b/metagpt/roles/role.py
@@ -14,7 +14,9 @@ from __future__ import annotations
 from typing import Iterable, Type, Dict
 
 from pydantic import BaseModel, Field
-from metagpt.provider.openai_api import OpenAIGPTAPI as LLM
+
+from metagpt.config import Config
+from metagpt.provider.openai_api import OpenAIGPTAPI as LLM, CostManager
 from metagpt.actions import Action, ActionOutput
 from metagpt.logs import logger
 from metagpt.memory import Memory, LongTermMemory
@@ -100,7 +102,11 @@ class RoleContext(BaseModel):
 class Role:
     """Role/Proxy"""
 
-    def __init__(self, options, cost_manager, name="", profile="", goal="", constraints="", desc="", *args, **kwargs):
+    def __init__(self, options=None, cost_manager=None, name="", profile="", goal="", constraints="", desc="", *args, **kwargs):
+        if not options:
+            options = Config().runtime_options
+        if not cost_manager:
+            cost_manager = CostManager(*options)
         self._options = Role.supply_options(options=kwargs, default_options=options)
 
         name = Role.format_value(name, self._options)