diff --git a/metagpt/actions/debug_error.py b/metagpt/actions/debug_error.py
index df60c2e61..39f3bc1bc 100644
--- a/metagpt/actions/debug_error.py
+++ b/metagpt/actions/debug_error.py
@@ -62,7 +62,7 @@ class DebugError(Action):
         if matches:
             return ""
 
-        logger.info(f"Debug and rewrite {self.context.code_filename}")
+        logger.info(f"Debug and rewrite {self.context.test_filename}")
         code_doc = await FileRepository.get_file(
             filename=self.context.code_filename, relative_path=CONFIG.src_workspace
         )
diff --git a/metagpt/actions/prepare_documents.py b/metagpt/actions/prepare_documents.py
index 05255dcc5..8d3445ae4 100644
--- a/metagpt/actions/prepare_documents.py
+++ b/metagpt/actions/prepare_documents.py
@@ -27,8 +27,8 @@ class PrepareDocuments(Action):
             # Create and initialize the workspace folder, initialize the Git environment.
             project_name = CONFIG.project_name or FileRepository.new_filename()
             workdir = CONFIG.project_path
-            if not workdir and CONFIG.workspace:
-                workdir = Path(CONFIG.workspace) / project_name
+            if not workdir and CONFIG.workspace_path:
+                workdir = Path(CONFIG.workspace_path) / project_name
             workdir = Path(workdir or DEFAULT_WORKSPACE_ROOT / project_name)
             if not CONFIG.inc and workdir.exists():
                 shutil.rmtree(workdir)
diff --git a/metagpt/document.py b/metagpt/document.py
index 6ac4834aa..0af3a915c 100644
--- a/metagpt/document.py
+++ b/metagpt/document.py
@@ -4,6 +4,7 @@
 @Time    : 2023/6/8 14:03
 @Author  : alexanderwu
 @File    : document.py
+@Desc    : Classes and Operations Related to Files in the File System.
 """
 from enum import Enum
 from pathlib import Path
diff --git a/metagpt/document_store/document.py b/metagpt/document_store/document.py
index c59056312..90abc54de 100644
--- a/metagpt/document_store/document.py
+++ b/metagpt/document_store/document.py
@@ -4,6 +4,7 @@
 @Time    : 2023/6/8 14:03
 @Author  : alexanderwu
 @File    : document.py
+@Desc    : Classes and Operations Related to Vector Files in the Vector Database. Still under design.
 """
 from pathlib import Path
 
diff --git a/metagpt/roles/qa_engineer.py b/metagpt/roles/qa_engineer.py
index c1573e63b..4439b9b19 100644
--- a/metagpt/roles/qa_engineer.py
+++ b/metagpt/roles/qa_engineer.py
@@ -26,6 +26,7 @@ from metagpt.logs import logger
 from metagpt.roles import Role
 from metagpt.schema import Document, Message, RunCodeContext, TestingContext
 from metagpt.utils.common import any_to_str_set, parse_recipient
+from metagpt.utils.file_repository import FileRepository
 
 
 class QaEngineer(Role):
@@ -125,8 +126,8 @@ class QaEngineer(Role):
     async def _debug_error(self, msg):
         run_code_context = RunCodeContext.loads(msg.content)
         code = await DebugError(context=run_code_context, llm=self._llm).run()
-        await CONFIG.git_repo.new_file_repository(CONFIG.src_workspace).save(
-            filename=run_code_context.code_filename, content=code
+        await FileRepository.save_file(
+            filename=run_code_context.test_filename, content=code, relative_path=TEST_CODES_FILE_REPO
         )
         run_code_context.output = None
         self.publish_message(