Error encountered when installing opencv

My configuration environment windows Next anaconda+pip

I opened it first cmd, Entered the password pip install opencv-python There is no hint ssl agreement
Later about configure and ssl A series of solutions are too complex , I decided that as a novice, I would not turn the mountain , I chose to take another broad road .
The solution is to open anaconda prompt
Input pip install opencv-python
EH , a , Don't complain , I've been waiting for less than a minute !

Blood red , A terrible situation .
Looked carefully readtimeouterror, It's overtime .
Looking up the data, it must be that the external network is unstable , The solution is to install Tsinghua source . Tried to change the source , It didn't work .
So use the temporary command

Input pip Install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python
wait for
Installation successful