Does the subject want to ask "What problems did the intelligent education platform in Heilongjiang Province encounter in use?" There are login problems, function use problems and system problems.

1. Login problem: Some users will fail to log in because of incorrect account password, unstable network and system maintenance.

2. Function usage: For some novice users, they are not familiar with the function and operation mode of the platform and need a certain learning and adaptation process.

3. System problems: Because the platform needs to run in a specific software and hardware environment, if the user's devices or browsers are incompatible, or there are some loopholes and bugs in the platform itself, the system will crash or fail to work normally.