diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java
index fd3d7bf6b..68a5f7c5e 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java
@@ -368,6 +368,13 @@ public class SmartLoadingService {
                 if (!visitedGroups.add(candidate.coLoadGroupId()) || StringUtils.hasText(candidate.blockReason())) {
                     continue;
                 }
+                GroupSnapshot currentGroup = group(candidate.accountId(), candidate.inboundId());
+                if (currentGroup == null || !"ACTIVE".equals(currentGroup.status())
+                    || currentGroup.lockedPlanId() != null
+                    || !groupFits(booking, repository.items(planId), currentGroup,
+                        availableCandidates(booking))) {
+                    continue;
+                }
                 LoadingPlanEntity current = repository.plan(planId);
                 assignGroup(planId, new AssignGroupRequest(candidate.inboundId(), current.getVersion(),
                     "REC-GRP-" + sha256(operation + '|' + candidate.coLoadGroupId()).substring(0, 48)),
@@ -640,8 +647,7 @@ public class SmartLoadingService {
         if (!"ACTIVE".equals(group.status()) || group.lockedPlanId() != null) {
             throw conflict("同柜不可拆组已锁定或已消费");
         }
-        List<Candidate> available = repository.candidates(booking.getWarehouseId()).stream()
-            .filter(candidate -> sameChannel(booking, candidate) && sameCustomerScope(booking, candidate)).toList();
+        List<Candidate> available = availableCandidates(booking);
         Map<Long, List<Candidate>> result = new LinkedHashMap<>();
         for (Member member : group.members()) {
             if (!repository.activeItemsByInbound(member.tenantId(), member.inboundId()).isEmpty()) {
@@ -663,6 +669,11 @@ public class SmartLoadingService {
         return result;
     }
 
+    private List<Candidate> availableCandidates(ContainerBookingEntity booking) {
+        return repository.candidates(booking.getWarehouseId()).stream()
+            .filter(candidate -> sameChannel(booking, candidate) && sameCustomerScope(booking, candidate)).toList();
+    }
+
     private boolean groupFits(ContainerBookingEntity booking, List<LoadingPlanItemEntity> planItems,
                               GroupSnapshot group, List<Candidate> available) {
         if (booking.getCapacityCbm() == null || booking.getMaxWeightKg() == null) return false;
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/SmartLoadingServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/SmartLoadingServiceTest.java
index f9800a076..cf79048b9 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/SmartLoadingServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/SmartLoadingServiceTest.java
@@ -262,6 +262,87 @@ class SmartLoadingServiceTest {
         verify(repository, never()).touch(anyLong(), anyInt(), anyLong(), anyString());
     }
 
+    @Test
+    void recommendRechecksCurrentCapacitySkipsStaleGroupAndContinuesWithLaterCandidate() {
+        Candidate ordinary = candidate(9L, 10L, 20L, 30L, 4);
+        Candidate groupFirst = candidate(9L, 11L, 21L, 31L, 4);
+        Candidate groupSecond = candidate(9L, 12L, 22L, 32L, 4);
+        Candidate later = candidate(9L, 13L, 23L, 33L, 1);
+        GroupSnapshot group = group("ACTIVE", null,
+            new Member(9L, 31L, 11L, 4), new Member(9L, 32L, 12L, 4));
+        ContainerBookingEntity small = booking();
+        small.setCapacityCbm(new BigDecimal("5"));
+        AtomicInteger version = new AtomicInteger();
+        List<LoadingPlanItemEntity> saved = new ArrayList<>();
+        when(repository.plan(1L)).thenAnswer(invocation -> plan("EDITING", version.get()));
+        when(repository.planByBooking(99L)).thenAnswer(invocation -> plan("EDITING", version.get()));
+        when(repository.booking(99L)).thenReturn(small);
+        when(repository.items(1L)).thenAnswer(invocation -> List.copyOf(saved));
+        when(repository.candidates(100L)).thenReturn(List.of(ordinary, groupFirst, groupSecond, later));
+        when(repository.candidate(1L, 100L, 10L, 20L)).thenReturn(ordinary);
+        when(repository.candidate(1L, 100L, 13L, 23L)).thenReturn(later);
+        when(repository.activeItemsByInbound(anyLong(), anyLong(), anyLong())).thenReturn(List.of());
+        when(repository.activeItem(anyLong(), anyLong(), anyLong())).thenReturn(null);
+        when(repository.touch(eq(1L), anyInt(), eq(7L), eq("u"))).thenAnswer(invocation -> {
+            int expected = invocation.getArgument(1);
+            if (expected != version.get()) return 0;
+            version.incrementAndGet();
+            return 1;
+        });
+        doAnswer(invocation -> {
+            LoadingPlanItemEntity item = invocation.getArgument(0);
+            item.setId(800L + saved.size());
+            saved.add(item);
+            return null;
+        }).when(repository).insert(any(LoadingPlanItemEntity.class));
+        when(cargoClient.detail(anyString(), anyLong(), anyLong(), anyLong())).thenAnswer(invocation -> {
+            long orderId = invocation.getArgument(2);
+            long detailId = invocation.getArgument(3);
+            return ApiResponse.success(new OrderCargoClient.CargoBinding(detailId, orderId, 1,
+                "货物", detailId == 23L ? 1 : 4, BigDecimal.TEN, BigDecimal.ONE));
+        });
+        when(coloadGroups.findByInbound(9L, 11L)).thenReturn(group);
+        when(coloadGroups.findByInbound(9L, 12L)).thenReturn(group);
+
+        Plan result = service.recommend(1L,
+            new RecommendRequest(0, "recommend-refresh-group-capacity"), 7L, "u");
+
+        assertThat(result.version()).isEqualTo(2);
+        assertThat(saved).extracting(LoadingPlanItemEntity::getInboundId,
+            LoadingPlanItemEntity::getPackageCount).containsExactly(
+                org.assertj.core.groups.Tuple.tuple(10L, 4),
+                org.assertj.core.groups.Tuple.tuple(13L, 1));
+        verify(coloadGroups, never()).lockWholeGroupForAssignment(anyLong(), anyLong(), anyLong(),
+            anyString(), anyLong(), anyString());
+    }
+
+    @Test
+    void manualGroupAssignmentOverCurrentCapacityStillReturnsA0422() {
+        Candidate first = candidate(9L, 11L, 21L, 31L, 4);
+        Candidate second = candidate(9L, 12L, 22L, 32L, 4);
+        GroupSnapshot group = group("ACTIVE", null,
+            new Member(9L, 31L, 11L, 4), new Member(9L, 32L, 12L, 4));
+        ContainerBookingEntity small = booking();
+        small.setCapacityCbm(new BigDecimal("3"));
+        when(repository.plan(1L)).thenReturn(plan("EDITING", 0));
+        when(repository.planByBooking(99L)).thenReturn(plan("EDITING", 0));
+        when(repository.booking(99L)).thenReturn(small);
+        when(repository.items(1L)).thenReturn(List.of());
+        when(repository.candidates(100L)).thenReturn(List.of(first, second));
+        when(repository.activeItemsByInbound(anyLong(), anyLong())).thenReturn(List.of());
+        when(coloadGroups.findByInbound(9L, 11L)).thenReturn(group);
+        when(coloadGroups.findByInbound(9L, 12L)).thenReturn(group);
+
+        BizException error = catchThrowableOfType(() -> service.assignGroup(1L,
+            new com.baiyue.firstleg.dto.SmartLoadingDtos.AssignGroupRequest(
+                11L, 0, "manual-group-too-large"), 7L, "u"), BizException.class);
+
+        assertThat(error.getResultCode()).isEqualTo(ResultCode.VALIDATION_FAILED);
+        assertThat(error).hasMessageContaining("110%上限");
+        verify(coloadGroups, never()).lockWholeGroupForAssignment(anyLong(), anyLong(), anyLong(),
+            anyString(), anyLong(), anyString());
+    }
+
     @Test
     void adjustAndIndividualDeleteRejectColoadMembersBeforeAnyWrite() {
         LoadingPlanEntity plan = plan("EDITING", 0);