diff --git a/metagpt/tools/libs/software_development.py b/metagpt/tools/libs/software_development.py
index f8a409878..d06469b9a 100644
--- a/metagpt/tools/libs/software_development.py
+++ b/metagpt/tools/libs/software_development.py
@@ -10,6 +10,7 @@ from metagpt.logs import ToolLogItem, log_tool_output
 from metagpt.schema import BugFixContext, Message
 from metagpt.tools.tool_registry import register_tool
 from metagpt.utils.common import any_to_str
+from metagpt.utils.project_repo import ProjectRepo
 
 
 @register_tool(tags=["software development", "ProductManager"])
@@ -365,7 +366,10 @@ async def git_archive(project_path: str | Path) -> str:
     )
 
     ctx = Context()
-    ctx.set_repo_dir(project_path)
+    project_dir = ProjectRepo.search_project_path(project_path)
+    if not project_dir:
+        ValueError(f"{project_path} is not a valid git repository.")
+    ctx.set_repo_dir(project_dir)
     files = " ".join(ctx.git_repo.changed_files.keys())
     outputs = [ToolLogItem(name="cmd", value=f"git add {files}")]
     log_tool_output(output=outputs, tool_name=git_archive.__name__)
diff --git a/metagpt/utils/project_repo.py b/metagpt/utils/project_repo.py
index fce918570..64ed602a9 100644
--- a/metagpt/utils/project_repo.py
+++ b/metagpt/utils/project_repo.py
@@ -10,6 +10,7 @@
 from __future__ import annotations
 
 from pathlib import Path
+from typing import Optional
 
 from metagpt.const import (
     CLASS_VIEW_FILE_REPO,
@@ -148,3 +149,14 @@ class ProjectRepo(FileRepository):
     @property
     def src_relative_path(self) -> Path | None:
         return self._srcs_path
+
+    @staticmethod
+    def search_project_path(filename: str | Path) -> Optional[Path]:
+        root = Path(filename).parent if Path(filename).is_file() else Path(filename)
+        root = root.resolve()
+        while str(root) != "/":
+            git_repo = root / ".git"
+            if git_repo.exists():
+                return root
+            root = root.parent
+        return None