fix:del onlinedocument redis key

许鹏程

2025-01-02 11fe8227844e61e4b3d7723b4628d1b3d53fe91f

 src/main/java/com/product/administration/controller/ConferenceManagerController.java

@@ -27,7 +27,6 @@
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;