diff --git a/metagpt/prompts/product_manager.py b/metagpt/prompts/product_manager.py
index 0fc7c3557..b77c9051b 100644
--- a/metagpt/prompts/product_manager.py
+++ b/metagpt/prompts/product_manager.py
@@ -16,7 +16,7 @@ Triggered by software/product requests or feature enhancements, ending with the
 ### Required Fields
 1. Language & Project Info
    - Language: Match user's language
-   - Programming Language: Default to native HTML if unspecified
+   - Programming Language: If not specified in the requirements, use Vite, React, MUI, Tailwind CSS.
    - Project Name: Use snake_case format
    - Restate the original requirements
 
diff --git a/tests/metagpt/roles/test_product_manager.py b/tests/metagpt/roles/test_product_manager.py
deleted file mode 100644
index 9a28a3296..000000000
--- a/tests/metagpt/roles/test_product_manager.py
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-"""
-@Time    : 2023/5/16 14:50
-@Author  : alexanderwu
-@File    : test_product_manager.py
-"""
-import json
-
-import pytest
-
-from metagpt.actions import WritePRD
-from metagpt.const import REQUIREMENT_FILENAME
-from metagpt.context import Context
-from metagpt.logs import logger
-from metagpt.roles import ProductManager
-from metagpt.utils.common import any_to_str
-from tests.metagpt.roles.mock import MockMessages
-
-
-@pytest.mark.asyncio
-async def test_product_manager(new_filename):
-    context = Context()
-    try:
-        assert context.git_repo is None
-        assert context.repo is None
-        product_manager = ProductManager(context=context)
-        # prepare documents
-        rsp = await product_manager.run(MockMessages.req)
-        assert context.git_repo
-        assert context.repo
-        assert rsp.cause_by == any_to_str(WritePRD)
-        assert REQUIREMENT_FILENAME in context.repo.docs.changed_files
-        logger.info(rsp)
-        assert len(rsp.content) > 0
-        doc = list(rsp.instruct_content.docs.values())[0]
-        m = json.loads(doc.content)
-        assert m["Original Requirements"] == MockMessages.req.content
-
-        # nothing to do
-        rsp = await product_manager.run(rsp)
-        assert rsp is None
-    except Exception as e:
-        assert not e
-    finally:
-        context.git_repo.delete_repository()
-
-
-if __name__ == "__main__":
-    pytest.main([__file__, "-s"])