报错信息：
File "D:\venv\myblog\lib\site-packages\django\views\debug.py", line 332, in get_traceback_html
t = DEBUG_ENGINE.from_string(fh.read())
UnicodeDecodeError: 'gbk' codec can't decode byte 0xa6 in position 9737: illegal multibyte sequence
网上说修改debug.py里的信息，改了还是报错。