diff --git a/metagpt/actions/research.py b/metagpt/actions/research.py
index 074cdee0a..2d2db4403 100644
--- a/metagpt/actions/research.py
+++ b/metagpt/actions/research.py
@@ -181,6 +181,7 @@ class WebBrowseAndSummarize(Action):
     desc: str = "Explore the web and provide summaries of articles and webpages."
     browse_func: Union[Callable[[list[str]], None], None] = None
     web_browser_engine: WebBrowserEngine = WebBrowserEngine(
+        options={},  # FIXME: REMOVE options?
         engine=WebBrowserEngineType.CUSTOM if browse_func else None,
         run_func=browse_func,
     )
diff --git a/metagpt/actions/write_prd.py b/metagpt/actions/write_prd.py
index 362d4cc82..071eacd29 100644
--- a/metagpt/actions/write_prd.py
+++ b/metagpt/actions/write_prd.py
@@ -123,7 +123,7 @@ class WritePRD(Action):
         #     logger.info(rsp)
         project_name = CONFIG.project_name if CONFIG.project_name else ""
         context = CONTEXT_TEMPLATE.format(requirements=requirements, project_name=project_name)
-        node = await WRITE_PRD_NODE.fill(context=context, llm=self.llm, schema=schema)
+        node = await WRITE_PRD_NODE.fill(context=context, llm=self.llm)  # schema=schema
         await self._rename_workspace(node)
         return node
 
diff --git a/metagpt/provider/openai_api.py b/metagpt/provider/openai_api.py
index 9305052b8..71fe56bf4 100644
--- a/metagpt/provider/openai_api.py
+++ b/metagpt/provider/openai_api.py
@@ -28,7 +28,7 @@ from tenacity import (
 )
 
 from metagpt.config import CONFIG, Config, LLMProviderEnum
-from metagpt.const import DEFAULT_MAX_TOKENS
+from metagpt.const import DEFAULT_MAX_TOKENS, DEFAULT_TOKEN_SIZE
 from metagpt.logs import logger
 from metagpt.provider.base_gpt_api import BaseGPTAPI
 from metagpt.provider.constant import GENERAL_FUNCTION_SCHEMA, GENERAL_TOOL_CHOICE
diff --git a/metagpt/roles/engineer.py b/metagpt/roles/engineer.py
index 994c176e9..76c3d96b3 100644
--- a/metagpt/roles/engineer.py
+++ b/metagpt/roles/engineer.py
@@ -78,9 +78,8 @@ class Engineer(Role):
     n_borg: int = 1
     use_code_review: bool = False
     code_todos: list = []
-    summarize_todos = []
-
-    todo_desc: str = any_to_name(WriteCode)
+    summarize_todos: list = []
+    next_todo_action: str = ""
 
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
@@ -89,6 +88,7 @@ class Engineer(Role):
         self._watch([WriteTasks, SummarizeCode, WriteCode, WriteCodeReview, FixBug])
         self.code_todos = []
         self.summarize_todos = []
+        self.next_todo_action = any_to_name(WriteCode)
 
     @staticmethod
     def _parse_tasks(task_msg: Document) -> list[str]:
@@ -132,10 +132,10 @@ class Engineer(Role):
         if self._rc.todo is None:
             return None
         if isinstance(self._rc.todo, WriteCode):
-            self.todo_desc = any_to_name(SummarizeCode)
+            self.next_todo_action = any_to_name(SummarizeCode)
             return await self._act_write_code()
         if isinstance(self._rc.todo, SummarizeCode):
-            self.todo_desc = any_to_name(WriteCode)
+            self.next_todo_action = any_to_name(WriteCode)
             return await self._act_summarize()
         return None
 
@@ -311,4 +311,4 @@ class Engineer(Role):
     @property
     def todo(self) -> str:
         """AgentStore uses this attribute to display to the user what actions the current role should take."""
-        return self.todo_desc
+        return self.next_todo_action
diff --git a/metagpt/roles/product_manager.py b/metagpt/roles/product_manager.py
index 847649a82..5412dc2b5 100644
--- a/metagpt/roles/product_manager.py
+++ b/metagpt/roles/product_manager.py
@@ -29,14 +29,14 @@ class ProductManager(Role):
     profile: str = "Product Manager"
     goal: str = "efficiently create a successful product that meets market demands and user expectations"
     constraints: str = "utilize the same language as the user requirements for seamless communication"
-
-    todo_desc: str = any_to_name(PrepareDocuments)
+    todo_action: str = ""
 
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
 
         self._init_actions([PrepareDocuments, WritePRD])
         self._watch([UserRequirement, PrepareDocuments])
+        self.todo_action = any_to_name(PrepareDocuments)
 
     async def _think(self) -> bool:
         """Decide what to do"""
@@ -44,13 +44,13 @@ class ProductManager(Role):
             self._set_state(1)
         else:
             self._set_state(0)
-            self.todo_desc = any_to_name(WritePRD)
+            self.todo_action = any_to_name(WritePRD)
         return bool(self._rc.todo)
 
     async def _observe(self, ignore_memory=False) -> int:
-        return await super(ProductManager, self)._observe(ignore_memory=True)
+        return await super()._observe(ignore_memory=True)
 
     @property
     def todo(self) -> str:
         """AgentStore uses this attribute to display to the user what actions the current role should take."""
-        return self.todo_desc
+        return self.todo_action