diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/basedatamanage/appservice/impl/OrganizationLocationAppServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/basedatamanage/appservice/impl/OrganizationLocationAppServiceImpl.java
index 7c76d027..c84f11c9 100755
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/basedatamanage/appservice/impl/OrganizationLocationAppServiceImpl.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/basedatamanage/appservice/impl/OrganizationLocationAppServiceImpl.java
@@ -135,7 +135,8 @@ public class OrganizationLocationAppServiceImpl implements IOrganizationLocation
         BeanUtils.copyProperties(orgLocQueryDto, orgLoc);
 
         Long activityDefinitionId = orgLoc.getActivityDefinitionId();
-        String activityName = activityDefinitionId != null ? activityDefinitionMapper.selectById(activityDefinitionId).getName() : "";
+        String activityName = activityDefinitionId != null
+            ? activityDefinitionMapper.selectById(activityDefinitionId).getName() : "";
 
         List<OrganizationLocation> organizationLocationList =
             organizationLocationService.getOrgLocListByOrgIdAndActivityDefinitionId(orgLoc.getActivityDefinitionId());
@@ -147,8 +148,8 @@ public class OrganizationLocationAppServiceImpl implements IOrganizationLocation
             for (OrganizationLocation organizationLocation : organizationLocationList)
                 if (DateTimeUtils.isOverlap(organizationLocation.getStartTime(), organizationLocation.getEndTime(),
                     orgLoc.getStartTime(), orgLoc.getEndTime())) {
-                    String organizationName =
-                        organizationService.getById(organizationLocation.getOrganizationId()).getName();
+                    Organization org = organizationService.getById(organizationLocation.getOrganizationId());
+                    String organizationName = org != null ? org.getName() : "未知科室";
                     return R.fail("当前诊疗：" + activityName + CommonConstants.Common.DASH + orgLoc.getStartTime()
                         + CommonConstants.Common.DASH + orgLoc.getEndTime() + "与" + organizationName + "时间冲突");
                 }