diff --git a/src/llamafactory/chat/chat_model.py b/src/llamafactory/chat/chat_model.py
index 5c83fa67..3ea3b44f 100644
--- a/src/llamafactory/chat/chat_model.py
+++ b/src/llamafactory/chat/chat_model.py
@@ -16,6 +16,7 @@
 # limitations under the License.
 
 import asyncio
+import os
 from threading import Thread
 from typing import TYPE_CHECKING, Any, AsyncGenerator, Dict, Generator, List, Optional, Sequence
 
@@ -115,13 +116,11 @@ class ChatModel:
 
 
 def run_chat() -> None:
-    try:
-        import platform
-
-        if platform.system() != "Windows":
+    if os.name != "nt":
+        try:
             import readline  # noqa: F401
-    except ImportError:
-        print("Install `readline` for a better experience.")
+        except ImportError:
+            print("Install `readline` for a better experience.")
 
     chat_model = ChatModel()
     messages = []
diff --git a/src/llamafactory/data/tool_utils.py b/src/llamafactory/data/tool_utils.py
index ac5565d5..efda86f5 100644
--- a/src/llamafactory/data/tool_utils.py
+++ b/src/llamafactory/data/tool_utils.py
@@ -25,9 +25,9 @@ DEFAULT_TOOL_PROMPT = (
     "You have access to the following tools:\n{tool_text}"
     "Use the following format if using a tool:\n"
     "```\n"
-    "Action: tool name (one of [{tool_names}]).\n"
+    "Action: tool name (one of [{tool_names}])\n"
     "Action Input: the input to the tool, in a JSON format representing the kwargs "
-    """(e.g. ```{{"input": "hello world", "num_beams": 5}}```).\n"""
+    """(e.g. ```{{"input": "hello world", "num_beams": 5}}```)\n"""
     "```\n"
 )
 
diff --git a/src/llamafactory/webui/utils.py b/src/llamafactory/webui/utils.py
index 80f53b6a..c52c0887 100644
--- a/src/llamafactory/webui/utils.py
+++ b/src/llamafactory/webui/utils.py
@@ -117,6 +117,7 @@ def gen_cmd(args: Dict[str, Any]) -> str:
         cmd_text = "`\n".join(cmd_lines)
     else:
         cmd_text = "\\\n".join(cmd_lines)
+
     cmd_text = "```bash\n{}\n```".format(cmd_text)
     return cmd_text
 
diff --git a/tests/data/test_formatter.py b/tests/data/test_formatter.py
index 1845df24..051bc120 100644
--- a/tests/data/test_formatter.py
+++ b/tests/data/test_formatter.py
@@ -69,9 +69,9 @@ def test_default_tool_formatter():
         "  - bar (number): bar_desc\n\n"
         "Use the following format if using a tool:\n"
         "```\n"
-        "Action: tool name (one of [test_tool]).\n"
+        "Action: tool name (one of [test_tool])\n"
         "Action Input: the input to the tool, in a JSON format representing the kwargs "
-        """(e.g. ```{"input": "hello world", "num_beams": 5}```).\n"""
+        """(e.g. ```{"input": "hello world", "num_beams": 5}```)\n"""
         "```\n"
     ]