Before, data analysis used jupyter Recently, with pycharm Import pandas The bag is always marked red cmd In a new way pip install pandas It hasn't been solved since then After checking, I found that it might be before jupyter and pycharm The installation path is different, which causes the system to update automatically .
Actually, read it carefully details It can be learned that , Need to be in cmd Specify a specific path to update 
Put the lowest command in cmd Just execute it
Solve it immediately .
