双击jupyter notebook后cmd弹出又立刻闪退，之后无反应；尝试从anaconda navigator中运行，点击“launch”后出现报错
报错内容：
Traceback (most recent call last):
File "D:\Anaconda\Scripts\jupyter-notebook-script.py", line 6, in
from notebook.notebookapp import main
File "D:\Anaconda\lib\site-packages\notebook\notebookapp.py", line 45, in
from jinja2 import Environment, FileSystemLoader
File "D:\Anaconda\lib\site-packages\jinja2_init.py", line 12, in
from .environment import Environment
File "D:\Anaconda\lib\site-packages\jinja2\environment.py", line 25, in
from .defaults import BLOCK_END_STRING
File "D:\Anaconda\lib\site-packages\jinja2\defaults.py", line 3, in
from .filters import FILTERS as DEFAULT_FILTERS # noqa: F401
File "D:\Anaconda\lib\site-packages\jinja2\filters.py", line 13, in
from markupsafe import soft_unicode
ImportError: cannot import name 'soft_unicode' from 'markupsafe' (D:\Anaconda\lib\site-packages\markupsafe_init.py)
求解决方法，感谢感谢！
ImportError: cannot import name 'soft_unicode' from 'markupsafe'
markupsafe
看看这个库是不是没装，用pip重装一下