diff --git a/src/main/java/com/budwk/app/zhgh/activity/family/service/impl/FamilyActivityServiceImpl.java b/src/main/java/com/budwk/app/zhgh/activity/family/service/impl/FamilyActivityServiceImpl.java
index 86f61eb..b5d0a94 100644
--- a/src/main/java/com/budwk/app/zhgh/activity/family/service/impl/FamilyActivityServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/activity/family/service/impl/FamilyActivityServiceImpl.java
@@ -370,14 +370,15 @@ public class FamilyActivityServiceImpl extends BaseServiceImpl<FamilyActivity> i
 
 		FamilyActivity activity = dao().fetch(FamilyActivity.class, activityId);
 		if (formalSignUp && Objects.equals(course.getReserveMode(), 2) && isWithinSignUpTime(activity)) {
-			promoteWaitingUsers(course, currentSignUp);
+			promoteWaitingUsers(course);
 		}
 	}
 
 	/**
-	 * 按报名时间顺序递补候补人员。本人和家属是否计入总人数，严格按课程类型配置计算。
+	 * 按报名时间顺序从全部分工会候补中查找当前可容纳的人员。
+	 * 本人和家属是否计入总人数，严格按课程类型配置计算。
 	 */
-	private void promoteWaitingUsers(FamilyCourse course, FamilyUser canceledSignUp) {
+	private void promoteWaitingUsers(FamilyCourse course) {
 		FamilyType type = dao().fetch(FamilyType.class, course.getCourseType());
 		if (type == null) {
 			return;
@@ -386,10 +387,6 @@ public class FamilyActivityServiceImpl extends BaseServiceImpl<FamilyActivity> i
 		Cnd waitingCnd = Cnd.where(FamilyUser::getActivityId, "=", course.getActivityId())
 				.and(FamilyUser::getCourseId, "=", course.getId())
 				.and(FamilyUser::getState, "=", 2);
-		// 配置了分工会名额时，取消释放的是原分工会名额，只允许该分工会候补人员递补。
-		if (Lang.isNotEmpty(course.getUnionLimit())) {
-			waitingCnd.and(FamilyUser::getUnionId, "=", canceledSignUp.getUnionId());
-		}
 		waitingCnd.asc(FamilyUser::getSignUpTime);
 
 		List<FamilyUser> waitingUsers = dao().query(FamilyUser.class, waitingCnd);
@@ -397,9 +394,9 @@ public class FamilyActivityServiceImpl extends BaseServiceImpl<FamilyActivity> i
 			int familyNumber = Lang.isNotEmpty(waitingUser.getMobileColumnsValue())
 					? waitingUser.getMobileColumnsValue().size() : 0;
 			int contribution = getFamilyContribution(type, familyNumber);
-			// 严格保持候补先后顺序；排在前面的人员当前无法容纳时，不跨过该人员补后续人员。
+			// 当前候补所需人数或原选时段无法容纳时，继续查找后续能够使用空余名额的候补。
 			if (!canPromoteWaitingUser(course, waitingUser, contribution)) {
-				break;
+				continue;
 			}
 			waitingUser.setState(3);
 			dao().update(waitingUser);
@@ -407,7 +404,8 @@ public class FamilyActivityServiceImpl extends BaseServiceImpl<FamilyActivity> i
 	}
 
 	/**
-	 * 校验候补人员转正后的课程总人数、分工会人数和独立时段人数是否均不超限。
+	 * 校验候补人员转正后的课程总人数和独立时段人数是否均不超限。
+	 * 自动递补不校验分工会限制，避免空余名额因原分工会没有合适候补而闲置。
 	 */
 	private boolean canPromoteWaitingUser(FamilyCourse course, FamilyUser waitingUser, int contribution) {
 		int courseLimit = course.getCoursePeopleNumber();
@@ -417,20 +415,6 @@ public class FamilyActivityServiceImpl extends BaseServiceImpl<FamilyActivity> i
 			return false;
 		}
 
-		if (Lang.isNotEmpty(course.getUnionLimit())) {
-			NutMap unionLimit = course.getUnionLimit().stream()
-					.filter(item -> Objects.equals(item.getString("id"), waitingUser.getUnionId()))
-					.findFirst().orElse(null);
-			if (unionLimit == null) {
-				return false;
-			}
-			int unionCount = statisticsService.queryCourseCount(
-					course.getId(), course.getCourseType(), waitingUser.getUnionId());
-			if (unionCount + contribution > unionLimit.getInt("limitCount")) {
-				return false;
-			}
-		}
-
 		return hasAvailableCourseTime(course, waitingUser);
 	}