[Bug]:这里的日志打印，当ai生成的文本格式出现问题的时候，logger.chat就会报错

[haike-1213]

Record was: {'elapsed': datetime.timedelta(seconds=29, microseconds=377555), 'exception': None, 'extra': {}, 'file': (name='logging_utils.py', path='D:\fm\work\agentscope\src\agentscope\utils\logging_utils.py'), 'function': '_chat', 'level': (name='CHAT_LOG', no=21, icon=' '), 'line': 117, 'message': 'assistant: Indeed, I am familiar with Markdown, which is a popular lightweight markup language that is often used to format text on platforms such as GitHub, Reddit, Stack Overflow, and many others. It allows users to write content in a plain-text format that can be easily converted to HTML or other formats.\n\nMarkdown syntax includes elements such as:\n\n- # for headings\n- ** or __ for bold text\n- * or _ for italic text\n- - or * for unordered lists\n- 1., 2., etc., for ordered lists\n- [text](URL) for links\n- ![alt text](image URL) for images\n- > for blockquotes\n\nThe sequence </n> is indeed incorrect for Markdown. To create a line break in Markdown, you can either add two spaces at the end of a line or end the line with a backslash \\\\:\n\n\\nThis is a line with a \\nline break.\\n\\nThis is another way to \\ncreate a line break.\\n\n\nOr using the backslash:\n\n\\nThis is a line with a\\\\ \\nline break.\\n\\nThis is another way to\\\\ \\ncreate a line break.\\n\n\nBoth examples will result in the text being displayed with a line break when converted to HTML or rendered in a Markdown viewer.', 'module': 'logging_utils', 'name': 'agentscope.utils.logging_utils', 'process': (id=36568, name='MainProcess'), 'thread': (id=28044, name='MainThread'), 'time': datetime(2024, 5, 28, 10, 5, 20, 389558, tzinfo=datetime.timezone(datetime.timedelta(seconds=28800), '中国标准时间'))}

raise ValueError('Closing tag "%s" has no corresponding opening tag' % markup)
ValueError: Closing tag "" has no corresponding opening tag

[DavdGao]

Thanks for your report, will be fixed together with #227