Please log in to the official website of the Yancheng Professional and Technical Personnel Continuing Education and Training Platform to select your own courses before use. To ensure normal learning, please select the corresponding learning website when starting the software. The software automatically recognizes the verification code and logs in to the learning platform with one click, which is simple and fast. By default, it automatically learns all the checked courses in the course list. Please eliminate the courses you do not need to learn by yourself.
During use, if the video cannot be played due to the network environment: Please observe whether the course list is timing. If the course list is still timing, you can continue to use it. Login was logged out due to network problems, please restart the software and log in again to study.
![[LTD]Loss tolerance detection](http://softwaredownload4.com/sbdm/img/20240826/66cc6ea4c548d.png?x-image-process=style/style-73)
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