diff --git a/metagpt/context.py b/metagpt/context.py
index 74f7b133d..4083a1696 100644
--- a/metagpt/context.py
+++ b/metagpt/context.py
@@ -144,7 +144,7 @@ class ContextMixin(BaseModel):
         """Role context: role context > context"""
         if self._context:
             return self._context
-        return context
+        return CONTEXT
 
     @context.setter
     def context(self, context: Context):
@@ -153,4 +153,4 @@ class ContextMixin(BaseModel):
 
 
 # Global context, not in Env
-context = Context()
+CONTEXT = Context()
diff --git a/metagpt/llm.py b/metagpt/llm.py
index aff72d3c5..d393738bb 100644
--- a/metagpt/llm.py
+++ b/metagpt/llm.py
@@ -9,11 +9,11 @@
 from typing import Optional
 
 from metagpt.configs.llm_config import LLMType
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.provider.base_llm import BaseLLM
 
 
 def LLM(name: Optional[str] = None, provider: LLMType = LLMType.OPENAI) -> BaseLLM:
     """get the default llm provider if name is None"""
     # context.use_llm(name=name, provider=provider)
-    return context.llm(name=name, provider=provider)
+    return CONTEXT.llm(name=name, provider=provider)
diff --git a/metagpt/roles/assistant.py b/metagpt/roles/assistant.py
index 90a33ad6a..8939094ed 100644
--- a/metagpt/roles/assistant.py
+++ b/metagpt/roles/assistant.py
@@ -22,7 +22,7 @@ from pydantic import Field
 
 from metagpt.actions.skill_action import ArgumentsParingAction, SkillAction
 from metagpt.actions.talk_action import TalkAction
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.learn.skill_loader import SkillsDeclaration
 from metagpt.logs import logger
 from metagpt.memory.brain_memory import BrainMemory
@@ -48,7 +48,7 @@ class Assistant(Role):
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
-        self.constraints = self.constraints.format(language=kwargs.get("language") or context.kwargs.language)
+        self.constraints = self.constraints.format(language=kwargs.get("language") or CONTEXT.kwargs.language)
 
     async def think(self) -> bool:
         """Everything will be done part by part."""
@@ -56,7 +56,7 @@ class Assistant(Role):
         if not last_talk:
             return False
         if not self.skills:
-            skill_path = Path(context.kwargs.SKILL_PATH) if context.kwargs.SKILL_PATH else None
+            skill_path = Path(CONTEXT.kwargs.SKILL_PATH) if CONTEXT.kwargs.SKILL_PATH else None
             self.skills = await SkillsDeclaration.load(skill_yaml_file_name=skill_path)
 
         prompt = ""
diff --git a/tests/conftest.py b/tests/conftest.py
index fab1fa198..faa2d92e9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -16,7 +16,7 @@ import uuid
 import pytest
 
 from metagpt.const import DEFAULT_WORKSPACE_ROOT, TEST_DATA_PATH
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.llm import LLM
 from metagpt.logs import logger
 from metagpt.utils.git_repository import GitRepository
@@ -141,12 +141,12 @@ def loguru_caplog(caplog):
 # init & dispose git repo
 @pytest.fixture(scope="function", autouse=True)
 def setup_and_teardown_git_repo(request):
-    context.git_repo = GitRepository(local_path=DEFAULT_WORKSPACE_ROOT / f"unittest/{uuid.uuid4().hex}")
-    context.config.git_reinit = True
+    CONTEXT.git_repo = GitRepository(local_path=DEFAULT_WORKSPACE_ROOT / f"unittest/{uuid.uuid4().hex}")
+    CONTEXT.config.git_reinit = True
 
     # Destroy git repo at the end of the test session.
     def fin():
-        context.git_repo.delete_repository()
+        CONTEXT.git_repo.delete_repository()
 
     # Register the function for destroying the environment.
     request.addfinalizer(fin)
diff --git a/tests/metagpt/actions/test_debug_error.py b/tests/metagpt/actions/test_debug_error.py
index ff9e9cd81..922aa8613 100644
--- a/tests/metagpt/actions/test_debug_error.py
+++ b/tests/metagpt/actions/test_debug_error.py
@@ -12,7 +12,7 @@ import pytest
 
 from metagpt.actions.debug_error import DebugError
 from metagpt.const import TEST_CODES_FILE_REPO, TEST_OUTPUTS_FILE_REPO
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.schema import RunCodeContext, RunCodeResult
 
 CODE_CONTENT = '''
@@ -117,7 +117,7 @@ if __name__ == '__main__':
 
 @pytest.mark.asyncio
 async def test_debug_error():
-    context.src_workspace = context.git_repo.workdir / uuid.uuid4().hex
+    CONTEXT.src_workspace = CONTEXT.git_repo.workdir / uuid.uuid4().hex
     ctx = RunCodeContext(
         code_filename="player.py",
         test_filename="test_player.py",
@@ -125,8 +125,8 @@ async def test_debug_error():
         output_filename="output.log",
     )
 
-    repo = context.file_repo
-    await repo.save_file(filename=ctx.code_filename, content=CODE_CONTENT, relative_path=context.src_workspace)
+    repo = CONTEXT.file_repo
+    await repo.save_file(filename=ctx.code_filename, content=CODE_CONTENT, relative_path=CONTEXT.src_workspace)
     await repo.save_file(filename=ctx.test_filename, content=TEST_CONTENT, relative_path=TEST_CODES_FILE_REPO)
     output_data = RunCodeResult(
         stdout=";",
diff --git a/tests/metagpt/actions/test_design_api.py b/tests/metagpt/actions/test_design_api.py
index 88cb612fc..027f7ca20 100644
--- a/tests/metagpt/actions/test_design_api.py
+++ b/tests/metagpt/actions/test_design_api.py
@@ -10,7 +10,7 @@ import pytest
 
 from metagpt.actions.design_api import WriteDesign
 from metagpt.const import PRDS_FILE_REPO
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.schema import Message
 
@@ -18,7 +18,7 @@ from metagpt.schema import Message
 @pytest.mark.asyncio
 async def test_design_api():
     inputs = ["我们需要一个音乐播放器，它应该有播放、暂停、上一曲、下一曲等功能。"]  # PRD_SAMPLE
-    repo = context.file_repo
+    repo = CONTEXT.file_repo
     for prd in inputs:
         await repo.save_file("new_prd.txt", content=prd, relative_path=PRDS_FILE_REPO)
 
diff --git a/tests/metagpt/actions/test_prepare_documents.py b/tests/metagpt/actions/test_prepare_documents.py
index a67f89874..fde971f3c 100644
--- a/tests/metagpt/actions/test_prepare_documents.py
+++ b/tests/metagpt/actions/test_prepare_documents.py
@@ -10,7 +10,7 @@ import pytest
 
 from metagpt.actions.prepare_documents import PrepareDocuments
 from metagpt.const import DOCS_FILE_REPO, REQUIREMENT_FILENAME
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.schema import Message
 
 
@@ -18,12 +18,12 @@ from metagpt.schema import Message
 async def test_prepare_documents():
     msg = Message(content="New user requirements balabala...")
 
-    if context.git_repo:
-        context.git_repo.delete_repository()
-        context.git_repo = None
+    if CONTEXT.git_repo:
+        CONTEXT.git_repo.delete_repository()
+        CONTEXT.git_repo = None
 
-    await PrepareDocuments(g_context=context).run(with_messages=[msg])
-    assert context.git_repo
-    doc = await context.file_repo.get_file(filename=REQUIREMENT_FILENAME, relative_path=DOCS_FILE_REPO)
+    await PrepareDocuments(g_context=CONTEXT).run(with_messages=[msg])
+    assert CONTEXT.git_repo
+    doc = await CONTEXT.file_repo.get_file(filename=REQUIREMENT_FILENAME, relative_path=DOCS_FILE_REPO)
     assert doc
     assert doc.content == msg.content
diff --git a/tests/metagpt/actions/test_project_management.py b/tests/metagpt/actions/test_project_management.py
index a462319b8..1eadb49fb 100644
--- a/tests/metagpt/actions/test_project_management.py
+++ b/tests/metagpt/actions/test_project_management.py
@@ -10,7 +10,7 @@ import pytest
 
 from metagpt.actions.project_management import WriteTasks
 from metagpt.const import PRDS_FILE_REPO, SYSTEM_DESIGN_FILE_REPO
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.schema import Message
 from tests.metagpt.actions.mock_json import DESIGN, PRD
@@ -18,9 +18,9 @@ from tests.metagpt.actions.mock_json import DESIGN, PRD
 
 @pytest.mark.asyncio
 async def test_design_api():
-    await context.file_repo.save_file("1.txt", content=str(PRD), relative_path=PRDS_FILE_REPO)
-    await context.file_repo.save_file("1.txt", content=str(DESIGN), relative_path=SYSTEM_DESIGN_FILE_REPO)
-    logger.info(context.git_repo)
+    await CONTEXT.file_repo.save_file("1.txt", content=str(PRD), relative_path=PRDS_FILE_REPO)
+    await CONTEXT.file_repo.save_file("1.txt", content=str(DESIGN), relative_path=SYSTEM_DESIGN_FILE_REPO)
+    logger.info(CONTEXT.git_repo)
 
     action = WriteTasks()
 
diff --git a/tests/metagpt/actions/test_summarize_code.py b/tests/metagpt/actions/test_summarize_code.py
index 1c14d256d..2f7b5c61d 100644
--- a/tests/metagpt/actions/test_summarize_code.py
+++ b/tests/metagpt/actions/test_summarize_code.py
@@ -11,7 +11,7 @@ import pytest
 from metagpt.actions.summarize_code import SummarizeCode
 from metagpt.config import CONFIG
 from metagpt.const import SYSTEM_DESIGN_FILE_REPO, TASK_FILE_REPO
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.schema import CodeSummarizeContext
 
@@ -178,15 +178,15 @@ class Snake:
 
 @pytest.mark.asyncio
 async def test_summarize_code():
-    context.src_workspace = context.git_repo.workdir / "src"
-    await context.file_repo.save_file(filename="1.json", relative_path=SYSTEM_DESIGN_FILE_REPO, content=DESIGN_CONTENT)
-    await context.file_repo.save_file(filename="1.json", relative_path=TASK_FILE_REPO, content=TASK_CONTENT)
-    await context.file_repo.save_file(filename="food.py", relative_path=CONFIG.src_workspace, content=FOOD_PY)
-    await context.file_repo.save_file(filename="game.py", relative_path=CONFIG.src_workspace, content=GAME_PY)
-    await context.file_repo.save_file(filename="main.py", relative_path=CONFIG.src_workspace, content=MAIN_PY)
-    await context.file_repo.save_file(filename="snake.py", relative_path=CONFIG.src_workspace, content=SNAKE_PY)
+    CONTEXT.src_workspace = CONTEXT.git_repo.workdir / "src"
+    await CONTEXT.file_repo.save_file(filename="1.json", relative_path=SYSTEM_DESIGN_FILE_REPO, content=DESIGN_CONTENT)
+    await CONTEXT.file_repo.save_file(filename="1.json", relative_path=TASK_FILE_REPO, content=TASK_CONTENT)
+    await CONTEXT.file_repo.save_file(filename="food.py", relative_path=CONFIG.src_workspace, content=FOOD_PY)
+    await CONTEXT.file_repo.save_file(filename="game.py", relative_path=CONFIG.src_workspace, content=GAME_PY)
+    await CONTEXT.file_repo.save_file(filename="main.py", relative_path=CONFIG.src_workspace, content=MAIN_PY)
+    await CONTEXT.file_repo.save_file(filename="snake.py", relative_path=CONFIG.src_workspace, content=SNAKE_PY)
 
-    src_file_repo = context.git_repo.new_file_repository(relative_path=CONFIG.src_workspace)
+    src_file_repo = CONTEXT.git_repo.new_file_repository(relative_path=CONFIG.src_workspace)
     all_files = src_file_repo.all_files
     ctx = CodeSummarizeContext(design_filename="1.json", task_filename="1.json", codes_filenames=all_files)
     action = SummarizeCode(context=ctx)
diff --git a/tests/metagpt/actions/test_write_code.py b/tests/metagpt/actions/test_write_code.py
index 2a7b8e696..cfc5863f4 100644
--- a/tests/metagpt/actions/test_write_code.py
+++ b/tests/metagpt/actions/test_write_code.py
@@ -18,7 +18,7 @@ from metagpt.const import (
     TASK_FILE_REPO,
     TEST_OUTPUTS_FILE_REPO,
 )
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.provider.openai_api import OpenAILLM as LLM
 from metagpt.schema import CodingContext, Document
@@ -53,35 +53,35 @@ async def test_write_code_directly():
 @pytest.mark.asyncio
 async def test_write_code_deps():
     # Prerequisites
-    context.src_workspace = context.git_repo.workdir / "snake1/snake1"
+    CONTEXT.src_workspace = CONTEXT.git_repo.workdir / "snake1/snake1"
     demo_path = Path(__file__).parent / "../../data/demo_project"
-    await context.file_repo.save_file(
+    await CONTEXT.file_repo.save_file(
         filename="test_game.py.json",
         content=await aread(str(demo_path / "test_game.py.json")),
         relative_path=TEST_OUTPUTS_FILE_REPO,
     )
-    await context.file_repo.save_file(
+    await CONTEXT.file_repo.save_file(
         filename="20231221155954.json",
         content=await aread(str(demo_path / "code_summaries.json")),
         relative_path=CODE_SUMMARIES_FILE_REPO,
     )
-    await context.file_repo.save_file(
+    await CONTEXT.file_repo.save_file(
         filename="20231221155954.json",
         content=await aread(str(demo_path / "system_design.json")),
         relative_path=SYSTEM_DESIGN_FILE_REPO,
     )
-    await context.file_repo.save_file(
+    await CONTEXT.file_repo.save_file(
         filename="20231221155954.json", content=await aread(str(demo_path / "tasks.json")), relative_path=TASK_FILE_REPO
     )
-    await context.file_repo.save_file(
-        filename="main.py", content='if __name__ == "__main__":\nmain()', relative_path=context.src_workspace
+    await CONTEXT.file_repo.save_file(
+        filename="main.py", content='if __name__ == "__main__":\nmain()', relative_path=CONTEXT.src_workspace
     )
     ccontext = CodingContext(
         filename="game.py",
-        design_doc=await context.file_repo.get_file(
+        design_doc=await CONTEXT.file_repo.get_file(
             filename="20231221155954.json", relative_path=SYSTEM_DESIGN_FILE_REPO
         ),
-        task_doc=await context.file_repo.get_file(filename="20231221155954.json", relative_path=TASK_FILE_REPO),
+        task_doc=await CONTEXT.file_repo.get_file(filename="20231221155954.json", relative_path=TASK_FILE_REPO),
         code_doc=Document(filename="game.py", content="", root_path="snake1"),
     )
     coding_doc = Document(root_path="snake1", filename="game.py", content=ccontext.json())
diff --git a/tests/metagpt/actions/test_write_prd.py b/tests/metagpt/actions/test_write_prd.py
index 1f92c079b..faa5b77a4 100644
--- a/tests/metagpt/actions/test_write_prd.py
+++ b/tests/metagpt/actions/test_write_prd.py
@@ -10,7 +10,7 @@ import pytest
 
 from metagpt.actions import UserRequirement, WritePRD
 from metagpt.const import DOCS_FILE_REPO, PRDS_FILE_REPO, REQUIREMENT_FILENAME
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.roles.product_manager import ProductManager
 from metagpt.roles.role import RoleReactMode
@@ -33,7 +33,7 @@ async def test_write_prd(new_filename):
     # Assert the prd is not None or empty
     assert prd is not None
     assert prd.content != ""
-    assert context.git_repo.new_file_repository(relative_path=PRDS_FILE_REPO).changed_files
+    assert CONTEXT.git_repo.new_file_repository(relative_path=PRDS_FILE_REPO).changed_files
 
 
 if __name__ == "__main__":
diff --git a/tests/metagpt/roles/test_architect.py b/tests/metagpt/roles/test_architect.py
index 69afbcfe1..f9d6606ac 100644
--- a/tests/metagpt/roles/test_architect.py
+++ b/tests/metagpt/roles/test_architect.py
@@ -13,7 +13,7 @@ import pytest
 
 from metagpt.actions import WriteDesign, WritePRD
 from metagpt.const import PRDS_FILE_REPO
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.roles import Architect
 from metagpt.schema import Message
@@ -25,7 +25,7 @@ from tests.metagpt.roles.mock import MockMessages
 async def test_architect():
     # Prerequisites
     filename = uuid.uuid4().hex + ".json"
-    await awrite(context.git_repo.workdir / PRDS_FILE_REPO / filename, data=MockMessages.prd.content)
+    await awrite(CONTEXT.git_repo.workdir / PRDS_FILE_REPO / filename, data=MockMessages.prd.content)
 
     role = Architect()
     rsp = await role.run(with_message=Message(content="", cause_by=WritePRD))
diff --git a/tests/metagpt/roles/test_assistant.py b/tests/metagpt/roles/test_assistant.py
index 8797ba7f1..4ef44d77a 100644
--- a/tests/metagpt/roles/test_assistant.py
+++ b/tests/metagpt/roles/test_assistant.py
@@ -12,7 +12,7 @@ from pydantic import BaseModel
 
 from metagpt.actions.skill_action import SkillAction
 from metagpt.actions.talk_action import TalkAction
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.memory.brain_memory import BrainMemory
 from metagpt.roles.assistant import Assistant
 from metagpt.schema import Message
@@ -21,7 +21,7 @@ from metagpt.utils.common import any_to_str
 
 @pytest.mark.asyncio
 async def test_run():
-    context.kwargs.language = "Chinese"
+    CONTEXT.kwargs.language = "Chinese"
 
     class Input(BaseModel):
         memory: BrainMemory
@@ -65,7 +65,7 @@ async def test_run():
             "cause_by": any_to_str(SkillAction),
         },
     ]
-    context.kwargs.agent_skills = [
+    CONTEXT.kwargs.agent_skills = [
         {"id": 1, "name": "text_to_speech", "type": "builtin", "config": {}, "enabled": True},
         {"id": 2, "name": "text_to_image", "type": "builtin", "config": {}, "enabled": True},
         {"id": 3, "name": "ai_call", "type": "builtin", "config": {}, "enabled": True},
@@ -77,8 +77,8 @@ async def test_run():
 
     for i in inputs:
         seed = Input(**i)
-        context.kwargs.language = seed.language
-        context.kwargs.agent_description = seed.agent_description
+        CONTEXT.kwargs.language = seed.language
+        CONTEXT.kwargs.agent_description = seed.agent_description
         role = Assistant(language="Chinese")
         role.memory = seed.memory  # Restore historical conversation content.
         while True:
diff --git a/tests/metagpt/roles/test_engineer.py b/tests/metagpt/roles/test_engineer.py
index b35321a1b..710e74b8f 100644
--- a/tests/metagpt/roles/test_engineer.py
+++ b/tests/metagpt/roles/test_engineer.py
@@ -19,7 +19,7 @@ from metagpt.const import (
     SYSTEM_DESIGN_FILE_REPO,
     TASK_FILE_REPO,
 )
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.logs import logger
 from metagpt.roles.engineer import Engineer
 from metagpt.schema import CodingContext, Message
@@ -32,19 +32,19 @@ from tests.metagpt.roles.mock import STRS_FOR_PARSING, TASKS, MockMessages
 async def test_engineer():
     # Prerequisites
     rqno = "20231221155954.json"
-    await context.file_repo.save_file(REQUIREMENT_FILENAME, content=MockMessages.req.content)
-    await context.file_repo.save_file(rqno, relative_path=PRDS_FILE_REPO, content=MockMessages.prd.content)
-    await context.file_repo.save_file(
+    await CONTEXT.file_repo.save_file(REQUIREMENT_FILENAME, content=MockMessages.req.content)
+    await CONTEXT.file_repo.save_file(rqno, relative_path=PRDS_FILE_REPO, content=MockMessages.prd.content)
+    await CONTEXT.file_repo.save_file(
         rqno, relative_path=SYSTEM_DESIGN_FILE_REPO, content=MockMessages.system_design.content
     )
-    await context.file_repo.save_file(rqno, relative_path=TASK_FILE_REPO, content=MockMessages.json_tasks.content)
+    await CONTEXT.file_repo.save_file(rqno, relative_path=TASK_FILE_REPO, content=MockMessages.json_tasks.content)
 
     engineer = Engineer()
     rsp = await engineer.run(Message(content="", cause_by=WriteTasks))
 
     logger.info(rsp)
     assert rsp.cause_by == any_to_str(WriteCode)
-    src_file_repo = context.git_repo.new_file_repository(context.src_workspace)
+    src_file_repo = CONTEXT.git_repo.new_file_repository(CONTEXT.src_workspace)
     assert src_file_repo.changed_files
 
 
@@ -116,19 +116,19 @@ async def test_new_coding_context():
     # Prerequisites
     demo_path = Path(__file__).parent / "../../data/demo_project"
     deps = json.loads(await aread(demo_path / "dependencies.json"))
-    dependency = await context.git_repo.get_dependency()
+    dependency = await CONTEXT.git_repo.get_dependency()
     for k, v in deps.items():
         await dependency.update(k, set(v))
     data = await aread(demo_path / "system_design.json")
     rqno = "20231221155954.json"
-    await awrite(context.git_repo.workdir / SYSTEM_DESIGN_FILE_REPO / rqno, data)
+    await awrite(CONTEXT.git_repo.workdir / SYSTEM_DESIGN_FILE_REPO / rqno, data)
     data = await aread(demo_path / "tasks.json")
-    await awrite(context.git_repo.workdir / TASK_FILE_REPO / rqno, data)
+    await awrite(CONTEXT.git_repo.workdir / TASK_FILE_REPO / rqno, data)
 
-    context.src_workspace = Path(context.git_repo.workdir) / "game_2048"
-    src_file_repo = context.git_repo.new_file_repository(relative_path=context.src_workspace)
-    task_file_repo = context.git_repo.new_file_repository(relative_path=TASK_FILE_REPO)
-    design_file_repo = context.git_repo.new_file_repository(relative_path=SYSTEM_DESIGN_FILE_REPO)
+    CONTEXT.src_workspace = Path(CONTEXT.git_repo.workdir) / "game_2048"
+    src_file_repo = CONTEXT.git_repo.new_file_repository(relative_path=CONTEXT.src_workspace)
+    task_file_repo = CONTEXT.git_repo.new_file_repository(relative_path=TASK_FILE_REPO)
+    design_file_repo = CONTEXT.git_repo.new_file_repository(relative_path=SYSTEM_DESIGN_FILE_REPO)
 
     filename = "game.py"
     ctx_doc = await Engineer._new_coding_doc(
@@ -149,8 +149,8 @@ async def test_new_coding_context():
     assert ctx.task_doc.content
     assert ctx.code_doc
 
-    context.git_repo.add_change({f"{TASK_FILE_REPO}/{rqno}": ChangeType.UNTRACTED})
-    context.git_repo.commit("mock env")
+    CONTEXT.git_repo.add_change({f"{TASK_FILE_REPO}/{rqno}": ChangeType.UNTRACTED})
+    CONTEXT.git_repo.commit("mock env")
     await src_file_repo.save(filename=filename, content="content")
     role = Engineer()
     assert not role.code_todos
diff --git a/tests/metagpt/roles/test_qa_engineer.py b/tests/metagpt/roles/test_qa_engineer.py
index 825fe58a3..c51642e6a 100644
--- a/tests/metagpt/roles/test_qa_engineer.py
+++ b/tests/metagpt/roles/test_qa_engineer.py
@@ -13,7 +13,7 @@ from pydantic import Field
 
 from metagpt.actions import DebugError, RunCode, WriteTest
 from metagpt.actions.summarize_code import SummarizeCode
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.environment import Environment
 from metagpt.roles import QaEngineer
 from metagpt.schema import Message
@@ -23,10 +23,10 @@ from metagpt.utils.common import any_to_str, aread, awrite
 async def test_qa():
     # Prerequisites
     demo_path = Path(__file__).parent / "../../data/demo_project"
-    context.src_workspace = Path(context.git_repo.workdir) / "qa/game_2048"
+    CONTEXT.src_workspace = Path(CONTEXT.git_repo.workdir) / "qa/game_2048"
     data = await aread(filename=demo_path / "game.py", encoding="utf-8")
-    await awrite(filename=context.src_workspace / "game.py", data=data, encoding="utf-8")
-    await awrite(filename=Path(context.git_repo.workdir) / "requirements.txt", data="")
+    await awrite(filename=CONTEXT.src_workspace / "game.py", data=data, encoding="utf-8")
+    await awrite(filename=Path(CONTEXT.git_repo.workdir) / "requirements.txt", data="")
 
     class MockEnv(Environment):
         msgs: List[Message] = Field(default_factory=list)
diff --git a/tests/metagpt/roles/test_teacher.py b/tests/metagpt/roles/test_teacher.py
index ff2139929..8bd37f482 100644
--- a/tests/metagpt/roles/test_teacher.py
+++ b/tests/metagpt/roles/test_teacher.py
@@ -10,7 +10,7 @@ from typing import Dict, Optional
 import pytest
 from pydantic import BaseModel
 
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.roles.teacher import Teacher
 from metagpt.schema import Message
 
@@ -97,8 +97,8 @@ async def test_new_file_name():
 
 @pytest.mark.asyncio
 async def test_run():
-    context.kwargs.language = "Chinese"
-    context.kwargs.teaching_language = "English"
+    CONTEXT.kwargs.language = "Chinese"
+    CONTEXT.kwargs.teaching_language = "English"
     lesson = """
     UNIT 1 Making New Friends
     TOPIC 1 Welcome to China!
diff --git a/tests/metagpt/test_context.py b/tests/metagpt/test_context.py
index 2d52325bc..f1c9da4e7 100644
--- a/tests/metagpt/test_context.py
+++ b/tests/metagpt/test_context.py
@@ -6,7 +6,7 @@
 @File    : test_context.py
 """
 from metagpt.configs.llm_config import LLMType
-from metagpt.context import AttrDict, Context, context
+from metagpt.context import CONTEXT, AttrDict, Context
 
 
 def test_attr_dict_1():
@@ -52,11 +52,11 @@ def test_context_1():
 
 
 def test_context_2():
-    llm = context.config.get_openai_llm()
+    llm = CONTEXT.config.get_openai_llm()
     assert llm is not None
     assert llm.api_type == LLMType.OPENAI
 
-    kwargs = context.kwargs
+    kwargs = CONTEXT.kwargs
     assert kwargs is not None
 
     kwargs.test_key = "test_value"
diff --git a/tests/metagpt/test_environment.py b/tests/metagpt/test_environment.py
index d7d8d990a..49fd8a5fc 100644
--- a/tests/metagpt/test_environment.py
+++ b/tests/metagpt/test_environment.py
@@ -13,7 +13,7 @@ from pathlib import Path
 import pytest
 
 from metagpt.actions import UserRequirement
-from metagpt.context import context
+from metagpt.context import CONTEXT
 from metagpt.environment import Environment
 from metagpt.logs import logger
 from metagpt.roles import Architect, ProductManager, Role
@@ -46,9 +46,9 @@ def test_get_roles(env: Environment):
 
 @pytest.mark.asyncio
 async def test_publish_and_process_message(env: Environment):
-    if context.git_repo:
-        context.git_repo.delete_repository()
-        context.git_repo = None
+    if CONTEXT.git_repo:
+        CONTEXT.git_repo.delete_repository()
+        CONTEXT.git_repo = None
 
     product_manager = ProductManager(name="Alice", profile="Product Manager", goal="做AI Native产品", constraints="资源有限")
     architect = Architect(