diff --git a/startup.py b/startup.py
index ee8cd3b6e..e062babb5 100644
--- a/startup.py
+++ b/startup.py
@@ -1,23 +1,15 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-"""
-@Modified By: mashenquan, 2023-07-27, + `industry` concept
-"""
-
 import asyncio
-from pathlib import Path
-import aiofiles
+
 import fire
-from metagpt.logs import logger
-from metagpt.actions.write_teaching_plan import TeachingPlanRequirement
+
 from metagpt.roles import Architect, Engineer, ProductManager, ProjectManager
-from metagpt.roles.teacher import Teacher
 from metagpt.software_company import SoftwareCompany
 
 
-async def software_startup(idea: str, investment: float = 3.0, n_round: int = 5, *args, **kwargs):
-    """Run a startup. Be a boss in software industry."""
-    code_review = kwargs.get("code_review", False)  # Whether to use code review.
+async def startup(idea: str, investment: float = 3.0, n_round: int = 5, code_review: bool = False):
+    """Run a startup. Be a boss."""
     company = SoftwareCompany()
     company.hire([ProductManager(),
                   Architect(),
@@ -28,89 +20,16 @@ async def software_startup(idea: str, investment: float = 3.0, n_round: int = 5,
     await company.run(n_round=n_round)
 
 
-async def education_startup(lesson_file: str, investment: float = 3.0, n_round: int = 1, *args, **kwargs):
-    """Run a startup. Be a teacher in education industry."""
-
-    demo_lesson = """
-    UNIT 1 Making New Friends
-    TOPIC 1 Welcome to China!
-    Section A
-
-    1a Listen and number the following names.
-    Jane Mari Kangkang Michael
-    Look, listen and understand. Then practice the conversation.
-    Work in groups. Introduce yourself using
-    I ’m ... Then practice 1a
-    with your own hometown or the following places.
-
-    1b Listen and number the following names
-    Jane Michael Maria Kangkang
-    1c Work in groups. Introduce yourself using I ’m ... Then practice 1a with your own hometown or the following places.
-    China the USA the UK Hong Kong Beijing
-
-    2a Look, listen and understand. Then practice the conversation
-    Hello! 
-    Hello! 
-    Hello! 
-    Hello! Are you Maria? 
-    No, I’m not. I’m Jane.
-    Oh, nice to meet you, Jane
-    Nice to meet you, too.
-    Hi, Maria!
-    Hi, Kangkang!
-    Welcome to China!
-    Thanks.
-
-    2b Work in groups. Make up a conversation with your own name and the
-    following structures.
-    A: Hello! / Good morning! / Hi! I’m ... Are you ... ?
-    B: ...
-
-    3a Listen, say and trace
-    Aa Bb Cc Dd Ee Ff Gg
-
-    3b Listen and number the following letters. Then circle the letters with the same sound as Bb.
-    Aa Bb Cc Dd Ee Ff Gg
-
-    3c Match the big letters with the small ones. Then write them on the lines.
-    """
-
-    lesson = ""
-    if lesson_file is not None and Path(lesson_file).exists():
-        async with aiofiles.open(lesson_file, mode="r", encoding="utf-8") as reader:
-            lesson = await reader.read()
-            logger.info(f"Course content: {lesson}")
-    if not lesson:
-        logger.info("No course content provided, using the demo course.")
-        lesson = demo_lesson
-
-    company = SoftwareCompany()
-    company.hire([Teacher(*args, **kwargs)])
-    company.invest(investment)
-    company.start_project(lesson, role="Teacher", cause_by=TeachingPlanRequirement)
-    await company.run(n_round=1)
-
-
-def main(idea: str, investment: float = 3.0, n_round: int = 5, *args, **kwargs):
+def main(idea: str, investment: float = 3.0, n_round: int = 5, code_review: bool = False):
     """
     We are a software startup comprised of AI. By investing in us, you are empowering a future filled with limitless possibilities.
-    :param idea: Your innovative idea for `software` industry, such as "Creating a snake game."; lesson filename for `education` industry.
+    :param idea: Your innovative idea, such as "Creating a snake game."
     :param investment: As an investor, you have the opportunity to contribute a certain dollar amount to this AI company.
     :param n_round:
-    :param args: Parameters passed in format: `python your_script.py arg1 arg2 arg3`
-    :param kwargs: Parameters passed in format: `python your_script.py --param1=value1 --param2=value2`
+    :param code_review: Whether to use code review.
     :return:
     """
-    industry = kwargs.get("industry", "software")
-    industries = {
-        "software": software_startup,
-        "education": education_startup,
-    }
-    startup = industries.get(industry)
-    if startup is None:
-        print(f"Available industries:{list(industries.keys())}")
-        return
-    asyncio.run(startup(idea, investment, n_round, *args, **kwargs))
+    asyncio.run(startup(idea, investment, n_round, code_review))
 
 
 if __name__ == '__main__':