diff --git a/examples/debate.py b/examples/debate.py
index f6c0f1313..56df16b4f 100644
--- a/examples/debate.py
+++ b/examples/debate.py
@@ -11,6 +11,7 @@ import platform
 from typing import Any
 
 import fire
+
 from metagpt.actions import Action, UserRequirement
 from metagpt.logs import logger
 from metagpt.roles import Role
@@ -34,9 +35,7 @@ class SpeakAloud(Action):
     name: str = "SpeakAloud"
 
     async def run(self, context: str, name: str, opponent_name: str):
-        prompt = self.PROMPT_TEMPLATE.format(
-            context=context, name=name, opponent_name=opponent_name
-        )
+        prompt = self.PROMPT_TEMPLATE.format(context=context, name=name, opponent_name=opponent_name)
         # logger.info(prompt)
 
         rsp = await self._aask(prompt)
@@ -68,9 +67,7 @@ class Debator(Role):
         context = "\n".join(f"{msg.sent_from}: {msg.content}" for msg in memories)
         # print(context)
 
-        rsp = await todo.run(
-            context=context, name=self.name, opponent_name=self.opponent_name
-        )
+        rsp = await todo.run(context=context, name=self.name, opponent_name=self.opponent_name)
 
         msg = Message(
             content=rsp,
@@ -91,9 +88,7 @@ async def debate(idea: str, investment: float = 3.0, n_round: int = 5):
     team = Team()
     team.hire([Biden, Trump])
     team.invest(investment)
-    team.run_project(
-        idea, send_to="Biden"
-    )  # send debate topic to Biden and let him speak first
+    team.run_project(idea, send_to="Biden")  # send debate topic to Biden and let him speak first
     await team.run(n_round=n_round)
 
 
@@ -111,6 +106,4 @@ def main(idea: str, investment: float = 3.0, n_round: int = 10):
 
 
 if __name__ == "__main__":
-    fire.Fire(
-        main
-    )  # run as python debate.py --idea="TOPIC" --investment=3.0 --n_round=5
+    fire.Fire(main)  # run as python debate.py --idea="TOPIC" --investment=3.0 --n_round=5
diff --git a/examples/search_with_specific_engine.py b/examples/search_with_specific_engine.py
index 64d5c6e5f..1eee762d5 100644
--- a/examples/search_with_specific_engine.py
+++ b/examples/search_with_specific_engine.py
@@ -6,7 +6,7 @@ import asyncio
 
 from metagpt.config2 import Config
 from metagpt.roles import Searcher
-from metagpt.tools.search_engine import SearchEngine, SearchEngineType
+from metagpt.tools.search_engine import SearchEngine
 
 
 async def main():
@@ -14,27 +14,7 @@ async def main():
 
     search = Config.default().search
     kwargs = {"api_key": search.api_key, "cse_id": search.cse_id, "proxy": None}
-
-    if search.api_type == SearchEngineType.DIRECT_GOOGLE:
-        # Google API
-        await Searcher(
-            search_engine=SearchEngine(engine=SearchEngineType.DIRECT_GOOGLE, **kwargs)
-        ).run(question)
-    elif search.api_type == SearchEngineType.SERPER_GOOGLE:
-        # Serper API
-        await Searcher(
-            search_engine=SearchEngine(engine=SearchEngineType.SERPER_GOOGLE, **kwargs)
-        ).run(question)
-    elif search.api_type == SearchEngineType.SERPAPI_GOOGLE:
-        # SerpAPI
-        await Searcher(
-            search_engine=SearchEngine(engine=SearchEngineType.SERPAPI_GOOGLE, **kwargs)
-        ).run(question)
-    else:
-        # DDG API
-        await Searcher(
-            search_engine=SearchEngine(engine=SearchEngineType.DUCK_DUCK_GO, **kwargs)
-        ).run(question)
+    await Searcher(search_engine=SearchEngine(engine=search.api_type, **kwargs)).run(question)
 
 
 if __name__ == "__main__":