diff --git a/metagpt/actions/action_node.py b/metagpt/actions/action_node.py
index 58688aefa..4376e09ed 100644
--- a/metagpt/actions/action_node.py
+++ b/metagpt/actions/action_node.py
@@ -4,6 +4,9 @@
 @Time    : 2023/12/11 18:45
 @Author  : alexanderwu
 @File    : action_node.py
+
+NOTE: You should use typing.List instead of list to do type annotation. Because in the markdown extraction process,
+  we can use typing to extract the type of the node, but we cannot use built-in list to extract.
 """
 import json
 from typing import Any, Dict, Generic, List, Optional, Tuple, Type, TypeVar
diff --git a/metagpt/actions/design_api_an.py b/metagpt/actions/design_api_an.py
index 0a303cdd5..7d6802381 100644
--- a/metagpt/actions/design_api_an.py
+++ b/metagpt/actions/design_api_an.py
@@ -5,6 +5,8 @@
 @Author  : alexanderwu
 @File    : design_api_an.py
 """
+from typing import List
+
 from metagpt.actions.action_node import ActionNode
 from metagpt.logs import logger
 from metagpt.utils.mermaid import MMC1, MMC2
@@ -22,7 +24,7 @@ PROJECT_NAME = ActionNode(
 
 FILE_LIST = ActionNode(
     key="File list",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Only need relative paths. ALWAYS write a main.py or app.py here",
     example=["main.py", "game.py"],
 )
diff --git a/metagpt/actions/project_management_an.py b/metagpt/actions/project_management_an.py
index 6208c1051..215a67202 100644
--- a/metagpt/actions/project_management_an.py
+++ b/metagpt/actions/project_management_an.py
@@ -5,26 +5,28 @@
 @Author  : alexanderwu
 @File    : project_management_an.py
 """
+from typing import List
+
 from metagpt.actions.action_node import ActionNode
 from metagpt.logs import logger
 
 REQUIRED_PYTHON_PACKAGES = ActionNode(
     key="Required Python packages",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Provide required Python packages in requirements.txt format.",
     example=["flask==1.1.2", "bcrypt==3.2.0"],
 )
 
 REQUIRED_OTHER_LANGUAGE_PACKAGES = ActionNode(
     key="Required Other language third-party packages",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="List down the required packages for languages other than Python.",
     example=["No third-party dependencies required"],
 )
 
 LOGIC_ANALYSIS = ActionNode(
     key="Logic Analysis",
-    expected_type=list[list[str]],
+    expected_type=List[List[str]],
     instruction="Provide a list of files with the classes/methods/functions to be implemented, "
     "including dependency analysis and imports.",
     example=[
@@ -35,7 +37,7 @@ LOGIC_ANALYSIS = ActionNode(
 
 TASK_LIST = ActionNode(
     key="Task list",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Break down the tasks into a list of filenames, prioritized by dependency order.",
     example=["game.py", "main.py"],
 )
diff --git a/metagpt/actions/write_prd_an.py b/metagpt/actions/write_prd_an.py
index 8698c739f..d58d72f64 100644
--- a/metagpt/actions/write_prd_an.py
+++ b/metagpt/actions/write_prd_an.py
@@ -5,6 +5,7 @@
 @Author  : alexanderwu
 @File    : write_prd_an.py
 """
+from typing import List
 
 from metagpt.actions.action_node import ActionNode
 from metagpt.logs import logger
@@ -39,14 +40,14 @@ PROJECT_NAME = ActionNode(
 
 PRODUCT_GOALS = ActionNode(
     key="Product Goals",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Provide up to three clear, orthogonal product goals.",
     example=["Create an engaging user experience", "Improve accessibility, be responsive", "More beautiful UI"],
 )
 
 USER_STORIES = ActionNode(
     key="User Stories",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Provide up to 3 to 5 scenario-based user stories.",
     example=[
         "As a player, I want to be able to choose difficulty levels",
@@ -59,7 +60,7 @@ USER_STORIES = ActionNode(
 
 COMPETITIVE_ANALYSIS = ActionNode(
     key="Competitive Analysis",
-    expected_type=list[str],
+    expected_type=List[str],
     instruction="Provide 5 to 7 competitive products.",
     example=[
         "2048 Game A: Simple interface, lacks responsive features",
@@ -98,7 +99,7 @@ REQUIREMENT_ANALYSIS = ActionNode(
 
 REQUIREMENT_POOL = ActionNode(
     key="Requirement Pool",
-    expected_type=list[list[str]],
+    expected_type=List[List[str]],
     instruction="List down the top-5 requirements with their priority (P0, P1, P2).",
     example=[["P0", "The main code ..."], ["P0", "The game algorithm ..."]],
 )
diff --git a/metagpt/actions/write_review.py b/metagpt/actions/write_review.py
index 94dd9951b..13690a1a5 100644
--- a/metagpt/actions/write_review.py
+++ b/metagpt/actions/write_review.py
@@ -9,8 +9,6 @@ from typing import List
 from metagpt.actions import Action
 from metagpt.actions.action_node import ActionNode
 
-# from metagpt.llm import LLM
-
 REVIEW = ActionNode(
     key="Review",
     expected_type=List[str],
@@ -24,7 +22,7 @@ REVIEW = ActionNode(
 LGTM = ActionNode(
     key="LGTM",
     expected_type=str,
-    instruction="If the output is good enough, give a LGTM (Looks Good To Me) to the writer, "
+    instruction="LGTM/LBTM. If the output is good enough, give a LGTM (Looks Good To Me) to the writer, "
     "else LBTM (Looks Bad To Me).",
     example="LGTM",
 )