feat:添加判断

ruoyi-admin/src/main/java/com/ruoyi/web/controller/manager/PaperManager.java

@@ -494,7 +494,7 @@ public class PaperManager {
         // 试题基本信息
         ElPaper paper = paperService.getById(paperId);
         ExamResultRespDTO respDTO = Convert.convert(ExamResultRespDTO.class, paper);
-        SysUser user = userService.getById(paper.getUserId());
+        SysUser user = userService.selectUserById(respDTO.getUserId());
         respDTO.setUserName(user.getUserName());
         List<PaperQuDetailDTO> quList = paperQuService.listForPaperResult(paperId);
         respDTO.setQuList(quList);