my pycharm can upload code to remote but the code cannot run in pycharm

18-7-2 上午11:36] Upload to fangxin_ning
[18-7-2 上午11:36] Upload to fangxin_ning completed in less than a minute: 1 file transferred (1.2 Mbit/s)

Error running 'mipcplex4': Can't run remote python interpreter: Error connecting to remote host:

I can upload the code to my remote, but why i cannot run the code in pycharm? i can run the code in terminal. THX