diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
index 20e8a180..cf1b7cbe 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
@@ -273,7 +273,9 @@ public class CasesApi extends ApiBaseController {
                 caseExportVo.setSummary(c.getSummary());
                 caseExportVo.setAuthorName(c.getAuthorName());
                 User user = userDao.findOne(FieldFilters.eq("id", c.getAuthorId()));
-                caseExportVo.setUserNo(user.getUserNo());
+                if (!Objects.isNull(user)){
+                    caseExportVo.setUserNo(user.getUserNo());
+                }
                 caseExportVo.setDepartment(c.getDepartment());
                 caseExportVo.setExportDate(now);
                 caseExportVo.setViews(c.getViews());