diff --git a/src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java b/src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java
index b0dfa0e..f76155b 100644
--- a/src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java
+++ b/src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java
@@ -248,6 +248,15 @@ public class MartialScheduleArrangeServiceImpl implements IMartialScheduleArrang
 			Long groupId = group.getId();
 
 			// 保存场地时间段详情
+			// Sync project venue_id to ensure referees can see projects after auto-arrange
+			if (groupData.getAssignedVenueId() != null && groupData.getProjectId() != null) {
+				MartialProject project = projectMapper.selectById(groupData.getProjectId());
+				if (project != null && project.getVenueId() == null) {
+					project.setVenueId(groupData.getAssignedVenueId());
+					projectMapper.updateById(project);
+					log.info("Synced project {} venue_id to {}", groupData.getProjectId(), groupData.getAssignedVenueId());
+				}
+			}
 			if (groupData.getAssignedVenueId() != null) {
 				MartialScheduleDetail detail = new MartialScheduleDetail();
 				detail.setScheduleGroupId(groupId);