can't open file 'jupyter'

 hello，

I  want to use the jupyter notebook . But after I installed  'jupyter' , it still does't working , and I get the following warning:

C:\Users\Administrator\PycharmProjects\helloworld\venv\Scripts\python.exe jupyter "D:\pycharm\PyCharm 2017.3.3\helpers\pycharm\pycharm_load_entry_point.py" notebook --no-browser --ip 127.0.0.1 --port 8888 --port-retries=0
C:\Users\Administrator\PycharmProjects\helloworld\venv\Scripts\python.exe: can't open file 'jupyter': [Errno 2] No such file or directory

Process finished with exit code 2

I am using JetBrains PyCharm 2017.3.3  32bit+ python 2.7