Hi 志倩,
由于我的母语不是中文，所以我会尝试用英语回答这个问题。感谢您的理解。
This error message indicates that MATLAB has encountered a problem obtaining a license. Please refer to the steps given in the following support article to solve the problem:
If these steps do not resolve your issue, please find your Service Host log files, contact MathWorks Support, and send the log files to us. If you do not know where those files might be, please view the link below:
Contact Support
Hope this helps.
