1. There is no subtitle data in the database: if there is no subtitle data in the database, there will be no subtitles in the exported report.
2. Incorrect export report setting: If the subtitle setting is incorrect when exporting the report, there will be no subtitle in the exported report.
3. Software version problem: If you use the old version of Zhiduoxing software, there may be a problem that the exported report has no subtitle. You can try to upgrade to the latest version of the software to see if it can solve the problem.
4. Data source problem: When exporting a report, if the data source is incorrect, there may be no subtitle data.
In view of the above reasons, the following measures can be taken to solve the problem:
1. Confirm whether there is subtitle data in the database, and if not, add subtitle data.
2. When exporting the report, set the subtitle correctly to ensure that the exported report contains subtitle data.
3. If you use the old software, you can try to upgrade to the latest version.
4. Confirm whether the data source is correct. If not, you need to reset the data source.
In addition, it should be noted that when exporting a report, you need to carefully check the settings to ensure that all necessary data are included. If you still encounter this problem, you can try to contact the software vendor or technical support personnel for more help.