diff --git a/firstleg/src/main/java/com/baiyue/firstleg/entity/LoadingPlanItemEntity.java b/firstleg/src/main/java/com/baiyue/firstleg/entity/LoadingPlanItemEntity.java
index 6e402cecf..0f12680ca 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/entity/LoadingPlanItemEntity.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/entity/LoadingPlanItemEntity.java
@@ -13,6 +13,8 @@ public class LoadingPlanItemEntity {
  @TableField(exist=false) private Long activeInboundDetailId;
  @TableField(exist=false) private Integer pickedPackageCount;
  @TableField(exist=false) private Integer minPackageCount;
+ @TableField(exist=false) private Integer totalPackageCount;
+ @TableField(exist=false) private Integer remainingPackageCount;
  @TableField(exist=false) private Boolean canAdjust;
  @TableField(exist=false) private Boolean canRemove;
  private Long createdBy; private String createdByName; private LocalDateTime createdAt;
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 8f9f0fd11..3419e04ef 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java
@@ -847,16 +847,29 @@ public class SmartLoadingService {
         ContainerBookingEntity booking = requireBooking(plan.getContainerBookingId());
         Candidate candidate = repository.candidate(planId, booking.getWarehouseId(), item.getInboundId(),
             item.getInboundDetailId());
-        if (candidate == null) throw validation("调整箱数超过可用箱数");
         int currentPackageCount = item.getPackageCount() == null ? 0 : item.getPackageCount();
-        int remainingPackageCount = Math.max(0, candidate.availablePackageCount() == null
-            ? 0 : candidate.availablePackageCount());
-        if (request.packageCount() > currentPackageCount
-            && request.packageCount() - currentPackageCount > remainingPackageCount) {
+        OrderCargoClient.CargoBinding cargo;
+        int maxPackageCount;
+        if (candidate == null) {
+            InboundOrderEntity inbound = repository.inbound(item.getAccountId(), item.getInboundId());
+            if (inbound == null || !Set.of("PREPARING", "WAIT_MEASURE", "MEASURING", "MEASURE_PENDING",
+                "MEASURE_REJECTED", "WAIT_PRICING", "FEE_CONFIRMING", "INBOUNDING")
+                .contains(inbound.getProcessStatus())) {
+                throw validation("调整箱数超过可用箱数");
+            }
+            cargo = loadCargo(item.getAccountId(), item.getOrderId(), item.getInboundDetailId());
+            var snapshot = loadInboundSnapshot(item.getAccountId(), item.getOrderId());
+            candidate = declaredCandidate(snapshot, item.getInboundId(), cargo, "WAIT_MEASURE");
+            maxPackageCount = cargo.originalPackageCount() == null ? 0 : cargo.originalPackageCount();
+        } else {
+            cargo = loadCargo(candidate);
+            maxPackageCount = currentPackageCount + Math.max(0, candidate.availablePackageCount() == null
+                ? 0 : candidate.availablePackageCount());
+        }
+        if (request.packageCount() > maxPackageCount) {
             throw validation("调整箱数超过可用箱数");
         }
         requireSameCustomerScope(booking, candidate);
-        OrderCargoClient.CargoBinding cargo = loadCargo(candidate);
         List<LoadingPlanItemEntity> others = new ArrayList<>(repository.items(planId));
         others.removeIf(x -> Objects.equals(x.getId(), itemId));
         checkRouteAndCapacity(booking, others, candidate, request.packageCount(), true);
@@ -1246,9 +1259,13 @@ public class SmartLoadingService {
     }
 
     private OrderCargoClient.CargoBinding loadCargo(Candidate candidate) {
+        return loadCargo(candidate.accountId(), candidate.orderId(), candidate.inboundDetailId());
+    }
+
+    private OrderCargoClient.CargoBinding loadCargo(long accountId, long orderId, long inboundDetailId) {
         try {
             ApiResponse<OrderCargoClient.CargoBinding> response = orderCargoClient.detail(internalToken,
-                candidate.accountId(), candidate.orderId(), candidate.inboundDetailId());
+                accountId, orderId, inboundDetailId);
             if (response == null) {
                 throw unavailable();
             }
@@ -1256,8 +1273,8 @@ public class SmartLoadingService {
                 throw new BizException(ResultCode.of(response.code()), response.message());
             }
             OrderCargoClient.CargoBinding cargo = response.data();
-            if (cargo == null || !Objects.equals(cargo.cargoId(), candidate.inboundDetailId())
-                || !Objects.equals(cargo.orderId(), candidate.orderId())) {
+            if (cargo == null || !Objects.equals(cargo.cargoId(), inboundDetailId)
+                || !Objects.equals(cargo.orderId(), orderId)) {
                 throw conflict("订单货物明细返回与入库单不匹配");
             }
             return cargo;
@@ -1412,6 +1429,9 @@ public class SmartLoadingService {
             int picked = task.pickedByPlanItem().getOrDefault(item.getId(), 0);
             item.setPickedPackageCount(picked);
             item.setMinPackageCount(Math.max(1, picked));
+            int total = adjustmentTotal(p.getId(), b.getWarehouseId(), item);
+            item.setTotalPackageCount(total);
+            item.setRemainingPackageCount(Math.max(0, total - item.getPackageCount()));
             item.setCanAdjust(mutable);
             item.setCanRemove(mutable && picked == 0);
         }
@@ -1421,6 +1441,24 @@ public class SmartLoadingService {
             b.getContainerNo(),b.getVoyageNo(),p.getVersion(),mutable,mutable,blockedReason,finalStatus,
             task.taskId(),task.taskStatus(),task.taskVersion(),planCoLoadGroups(p.getId()),items);
     }
+    private int adjustmentTotal(long planId, long warehouseId, LoadingPlanItemEntity item) {
+        int current = item.getPackageCount() == null ? 0 : item.getPackageCount();
+        Candidate measured = repository.candidate(planId, warehouseId, item.getInboundId(), item.getInboundDetailId());
+        if (measured != null) {
+            return current + Math.max(0, measured.availablePackageCount() == null
+                ? 0 : measured.availablePackageCount());
+        }
+        InboundOrderEntity inbound = repository.inbound(item.getAccountId(), item.getInboundId());
+        if (inbound == null || !Set.of("PREPARING", "WAIT_MEASURE", "MEASURING", "MEASURE_PENDING",
+            "MEASURE_REJECTED", "WAIT_PRICING", "FEE_CONFIRMING", "INBOUNDING")
+            .contains(inbound.getProcessStatus())) return current;
+        try {
+            OrderCargoClient.CargoBinding cargo = loadCargo(item.getAccountId(), item.getOrderId(), item.getInboundDetailId());
+            return Math.max(current, cargo.originalPackageCount() == null ? 0 : cargo.originalPackageCount());
+        } catch (RuntimeException ignored) {
+            return current;
+        }
+    }
     private List<PlanCoLoadGroup> planCoLoadGroups(long planId) {
         Map<Long,List<PlanColoadMemberRow>> grouped=repository.planColoadMembers(planId).stream()
             .collect(java.util.stream.Collectors.groupingBy(PlanColoadMemberRow::groupId,