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 d9ab38c8..e4d40048 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
@@ -158,8 +158,10 @@ public class OrganizationLocationAppServiceImpl implements IOrganizationLocation
             ? activityDefinitionMapper.selectById(activityDefinitionId) : null;
         String activityName = activityDef != null ? activityDef.getName() : "";
 
+        // Only check for time conflicts within the same department
         List<OrganizationLocation> organizationLocationList =
-            organizationLocationService.getOrgLocListByActivityDefinitionId(orgLoc.getActivityDefinitionId());
+            organizationLocationService.getOrgLocListByOrgIdAndActivityDefinitionId(orgLoc.getOrganizationId(),
+                orgLoc.getActivityDefinitionId());
         organizationLocationList = (orgLoc.getId() != null)
             ? organizationLocationList.stream().filter(item -> !orgLoc.getId().equals(item.getId())).toList()
             : organizationLocationList;