diff --git a/metagpt/context.py b/metagpt/context.py
index 4596e7847..09e6ec2f9 100644
--- a/metagpt/context.py
+++ b/metagpt/context.py
@@ -82,8 +82,6 @@ class Context(BaseModel):
 
     def set_repo_dir(self, path: str | Path):
         repo_path = Path(path)
-        if not repo_path.exists():
-            return
         self.git_repo = GitRepository(local_path=repo_path, auto_init=True)
         self.repo = ProjectRepo(self.git_repo)
 
diff --git a/metagpt/tools/libs/software_development.py b/metagpt/tools/libs/software_development.py
index 15fc6ad28..0db899f49 100644
--- a/metagpt/tools/libs/software_development.py
+++ b/metagpt/tools/libs/software_development.py
@@ -12,7 +12,7 @@ from metagpt.utils.common import any_to_str
 
 
 @register_tool(tags=["software company", "ProductManager"])
-async def write_prd(idea: str, project_path: Optional[str | Path]) -> Path:
+async def write_prd(idea: str, project_path: Optional[str | Path] = None) -> Path:
     """Writes a PRD based on user requirements.
 
     Args:
diff --git a/tests/metagpt/tools/libs/test_software_development.py b/tests/metagpt/tools/libs/test_software_development.py
new file mode 100644
index 000000000..d51fc3dc1
--- /dev/null
+++ b/tests/metagpt/tools/libs/test_software_development.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import pytest
+
+from metagpt.tools.libs import (
+    fix_bug,
+    git_archive,
+    run_qa_test,
+    write_codes,
+    write_design,
+    write_prd,
+    write_project_plan,
+)
+
+
+@pytest.mark.asyncio
+async def test_software_team():
+    path = await write_prd("snake game")
+    assert path
+
+    path = await write_design(path)
+    assert path
+
+    path = await write_project_plan(path)
+    assert path
+
+    path = await write_codes(path)
+    assert path
+
+    path = await run_qa_test(path)
+    assert path
+
+    issue = """
+pygame 2.0.1 (SDL 2.0.14, Python 3.9.17)
+Hello from the pygame community. https://www.pygame.org/contribute.html
+Traceback (most recent call last):
+  File "/Users/ix/github/bak/MetaGPT/workspace/snake_game/snake_game/main.py", line 10, in <module>
+    main()
+  File "/Users/ix/github/bak/MetaGPT/workspace/snake_game/snake_game/main.py", line 7, in main
+    game.start_game()
+  File "/Users/ix/github/bak/MetaGPT/workspace/snake_game/snake_game/game.py", line 81, in start_game
+    x
+NameError: name 'x' is not defined
+    """
+    path = await fix_bug(path, issue)
+    assert path
+
+    new_path = await write_prd("snake game with moving enemy", path)
+    assert new_path == path
+
+    git_log = await git_archive(new_path)
+    assert git_log
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-s"])