Usually, using any paper duplicate checking system may leave some traces in the file, such as inserting special characters or adding comments, but these traces usually do not affect the readability and usability of the file. In general, in order to protect the privacy and copyright of the author of the paper, Wanfang Paper Duplicate Checking System should ensure the security of the content of the paper, and will not disclose the content to third parties or use it for commercial purposes. So don't worry too much about the trace of Wanfang Paper.
Therefore, under normal circumstances, if it is not the agency inspection, Wanfang's duplicate check will not be recorded.