diff --git a/metagpt/actions/analyze_requirements.py b/metagpt/actions/analyze_requirements.py
index d81da3e14..86088d824 100644
--- a/metagpt/actions/analyze_requirements.py
+++ b/metagpt/actions/analyze_requirements.py
@@ -48,7 +48,7 @@ INSTRUCTIONS = """
 You must output in the same language as the Requirements.
 First, This language should be consistent with the language used in the requirement description. determine the natural language you must respond in. If the requirements specify a special language, follow those instructions. The default language for responses is English.
 Second, extract the restrictions in the requirements, specifically the steps. Do not include detailed demand descriptions; focus only on the restrictions.
-Third, if the requirements is a software development, extract the program language. If If no specific programming language is required, Use HTML (*.html), CSS (*.css), and JavaScript (*.js)
+Third, if the requirements is a software development, extract the program language. If no specific programming language is required, Use HTML (*.html), CSS (*.css), and JavaScript (*.js)
 
 Note:
 1. if there is not restrictions, requirements_restrictions must be ""
diff --git a/metagpt/actions/research.py b/metagpt/actions/research.py
index 98edfddb0..99f72b076 100644
--- a/metagpt/actions/research.py
+++ b/metagpt/actions/research.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import asyncio
+from datetime import datetime
 from typing import Any, Callable, Coroutine, Optional, Union
 
 from pydantic import TypeAdapter, model_validator
@@ -43,9 +44,10 @@ COLLECT_AND_RANKURLS_PROMPT = """### Topic
 {results}
 
 ### Requirements
-Please remove irrelevant search results that are not related to the query or topic. Then, sort the remaining search results \
-based on the link credibility. If two results have equal credibility, prioritize them based on the relevance. Provide the
-ranked results' indices in JSON format, like [0, 1, 3, 4, ...], without including other words.
+Please remove irrelevant search results that are not related to the query or topic.
+If the query is time-sensitive or specifies a certain time frame, please also remove search results that are outdated or outside the specified time frame. Notice that the current time is {time_stamp}.
+Then, sort the remaining search results based on the link credibility. If two results have equal credibility, prioritize them based on the relevance.
+Provide the ranked results' indices in JSON format, like [0, 1, 3, 4, ...], without including other words.
 """
 
 WEB_BROWSE_AND_SUMMARIZE_PROMPT = """### Requirements
@@ -165,7 +167,8 @@ class CollectLinks(Action):
         max_results = max_num_results or max(num_results * 2, 6)
         results = await self._search_urls(query, max_results=max_results)
         _results = "\n".join(f"{i}: {j}" for i, j in zip(range(max_results), results))
-        prompt = COLLECT_AND_RANKURLS_PROMPT.format(topic=topic, query=query, results=_results)
+        time_stamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        prompt = COLLECT_AND_RANKURLS_PROMPT.format(topic=topic, query=query, results=_results, time_stamp=time_stamp)
         logger.debug(prompt)
         indices = await self._aask(prompt)
         try:
diff --git a/metagpt/roles/di/role_zero.py b/metagpt/roles/di/role_zero.py
index f0df0aa4b..da26796d5 100644
--- a/metagpt/roles/di/role_zero.py
+++ b/metagpt/roles/di/role_zero.py
@@ -83,7 +83,7 @@ class RoleZero(Role):
     # Others
     command_rsp: str = ""  # the raw string containing the commands
     commands: list[dict] = []  # commands to be executed
-    memory_k: int = 100  # number of memories (messages) to use as historical context
+    memory_k: int = 200  # number of memories (messages) to use as historical context
     use_fixed_sop: bool = False
     requirements_constraints: str = ""  # the constraints in user requirements
     use_summary: bool = True  # whether to summarize at the end
diff --git a/metagpt/roles/di/swe_agent.py b/metagpt/roles/di/swe_agent.py
index f147e80f3..d54c9dd44 100644
--- a/metagpt/roles/di/swe_agent.py
+++ b/metagpt/roles/di/swe_agent.py
@@ -11,7 +11,7 @@ from metagpt.prompts.di.swe_agent import (
 from metagpt.roles.di.role_zero import RoleZero
 from metagpt.schema import Message
 from metagpt.tools.libs.git import git_create_pull
-from metagpt.tools.libs.terminal import Terminal
+from metagpt.tools.libs.terminal import Bash
 
 
 class SWEAgent(RoleZero):
@@ -19,8 +19,13 @@ class SWEAgent(RoleZero):
     profile: str = "Issue Solver"
     goal: str = "Resolve GitHub issue or bug in any existing codebase"
     _instruction: str = NEXT_STEP_TEMPLATE
-    tools: list[str] = ["Browser:goto,scroll", "RoleZero", "git_create_pull", "Editor", "Terminal"]
-    terminal: Terminal = Field(default_factory=Terminal, exclude=True)
+    tools: list[str] = [
+        "Bash",
+        "Browser:goto,scroll",
+        "RoleZero",
+        "git_create_pull",
+    ]
+    terminal: Bash = Field(default_factory=Bash, exclude=True)
     output_diff: str = ""
     max_react_loop: int = 40
     run_eval: bool = False
@@ -33,6 +38,7 @@ class SWEAgent(RoleZero):
     def _update_tool_execution(self):
         self.tool_execution_map.update(
             {
+                "Bash.run": self.terminal.run,
                 "git_create_pull": git_create_pull,
             }
         )