安装bT7.7无法下载文件

安装bt7.7 后无法下载文件 下载提示 TypeError: send_file() got an unexpected keyword argument ‘add_etags’ Traceback (most recent call last):   File “/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py”, line 2529, in wsgi_app     response = self.full_dispatch_request()   File “/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py”, line 1825, in full_dispatch_request     rv = self.handle_user_exception(e)   File “/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py”, line 1823, in full_dispatch_request     rv = self.dispatch_request()   File “/www/server/panel/pyenv/lib/python3.7/site-packages/flask/app.py”, line 1799, in dispatch_request     return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)   File “/www/server/panel/BTPanel/__init__.py”, line 943, in download     cache_timeout=0) TypeError: send_file() got an unexpected keyword argument ‘add_etags’ 哪位大佬帮忙看下