diff --git a/202504-Wms-MengYang-box/wms_serve_mengyang/src/main/java/com/wms_main/service/business/serviceImpl/StackerTaskServiceImpl.java b/202504-Wms-MengYang-box/wms_serve_mengyang/src/main/java/com/wms_main/service/business/serviceImpl/StackerTaskServiceImpl.java
index c161e7b..69e12d7 100644
--- a/202504-Wms-MengYang-box/wms_serve_mengyang/src/main/java/com/wms_main/service/business/serviceImpl/StackerTaskServiceImpl.java
+++ b/202504-Wms-MengYang-box/wms_serve_mengyang/src/main/java/com/wms_main/service/business/serviceImpl/StackerTaskServiceImpl.java
@@ -127,6 +127,8 @@ public class StackerTaskServiceImpl implements IStackerTaskService {
                     .eq(TAppLocation::getEquipmentId, equipmentId);
             // 查询库位
             List<TAppLocation> locationList = appLocationService.list(queryWrapper);
+            // 计算当前设备的最大深度（默认2）
+            int maxDepth = locationList.stream().mapToInt(TAppLocation::getLDepth).max().orElse(2);
             List<TAppLocation> candidateLocationList = locationList.stream().filter(item -> {
                 boolean filterResult = item.getIsWorking() == 0 && item.getIsLock() == 0 && item.getIsOccupy() == 0;
                 if (locationFilter != null) {
@@ -141,8 +143,9 @@ public class StackerTaskServiceImpl implements IStackerTaskService {
                     }
                 }
                 return filterResult;
-            }).sorted(Comparator.comparingInt(TAppLocation::getLDepth).reversed())
-                    .sorted(Comparator.comparingInt(location -> location.getLCol() + location.getLLayer()))
+            })
+                    .sorted(Comparator.comparingInt(TAppLocation::getLLayer).reversed()
+                            .thenComparingInt(TAppLocation::getLCol).reversed())
                     .toList();
             // 判断是否输入了subArea
             if (locationFilter != null && StringUtils.isNotEmpty(locationFilter.getSubArea())) {
@@ -154,26 +157,59 @@ public class StackerTaskServiceImpl implements IStackerTaskService {
                 candidateLocationList = new ArrayList<>(firstList);// 先添加符合subArea的库位
                 candidateLocationList.addAll(lastList);// 再添加不符合subArea的库位
             }
-            // 找一个空闲的库位
+
+            // 第一轮：只尝试最大深度（例如 2 深度）库位
             for (TAppLocation candidateLocation : candidateLocationList) {
+                if (!Objects.equals(candidateLocation.getLDepth(), maxDepth)) {
+                    continue; // 只处理最大深度
+                }
                 if (candidateLocation.getIsWorking() == 1 || candidateLocation.getIsLock() == 1
                         || candidateLocation.getIsOccupy() == 1) {
                     continue;
                 }
                 if (isMaxDepthAvailable(locationList, candidateLocation)) {
                     try {
-                        // 尝试锁定库位，锁定成功就返回
+                        // 申请当前库位，如果成功则返回
                         if (appLocationService.update(new LambdaUpdateWrapper<TAppLocation>()
                                 .set(TAppLocation::getIsOccupy, 1)
                                 .set(TAppLocation::getVehicleId, requestVehicleId)
                                 .eq(TAppLocation::getLocationId, candidateLocation.getLocationId())
                                 .eq(TAppLocation::getIsOccupy, 0))) {
-                            // 当前库位可用
                             targetLocation = candidateLocation;
                             break;
                         }
                     } catch (Exception e) {
-                        log.error("锁定库位{}失败。", candidateLocation.getLocationId());
+                        log.error("请求库位{}失败.", candidateLocation.getLocationId());
+                    }
+                }
+            }
+            if (targetLocation != null) {
+                // 找到了目标库位
+                break;
+            }
+
+            // 第二轮：若最大深度库位都不可用，再尝试其它深度（如 1 深度）库位
+            for (TAppLocation candidateLocation : candidateLocationList) {
+                if (Objects.equals(candidateLocation.getLDepth(), maxDepth)) {
+                    continue; // 第一轮已经尝试
+                }
+                if (candidateLocation.getIsWorking() == 1 || candidateLocation.getIsLock() == 1
+                        || candidateLocation.getIsOccupy() == 1) {
+                    continue;
+                }
+                if (isMaxDepthAvailable(locationList, candidateLocation)) {
+                    try {
+                        // 申请当前库位，如果成功则返回
+                        if (appLocationService.update(new LambdaUpdateWrapper<TAppLocation>()
+                                .set(TAppLocation::getIsOccupy, 1)
+                                .set(TAppLocation::getVehicleId, requestVehicleId)
+                                .eq(TAppLocation::getLocationId, candidateLocation.getLocationId())
+                                .eq(TAppLocation::getIsOccupy, 0))) {
+                            targetLocation = candidateLocation;
+                            break;
+                        }
+                    } catch (Exception e) {
+                        log.error("请求库位{}失败.", candidateLocation.getLocationId());
                     }
                 }
             }
@@ -430,14 +466,14 @@ public class StackerTaskServiceImpl implements IStackerTaskService {
             // int times = 0;
             // MesApiResponse response = null;
             // do {
-            //     Thread.sleep(15000L * times);
-            //     response = externalApiService.invokeOrderInCB(orderInCBReq);
-            //     times++;
+            // Thread.sleep(15000L * times);
+            // response = externalApiService.invokeOrderInCB(orderInCBReq);
+            // times++;
             // } while (response.getCode() != 0 && times <= 10);
             // if (response.getCode() != 0) {
-            //     log.error("[wms]上报失败");
+            // log.error("[wms]上报失败");
             // } else {
-            //     log.info("[wms]上报成功");
+            // log.info("[wms]上报成功");
             // }
         }
     }
@@ -545,24 +581,24 @@ public class StackerTaskServiceImpl implements IStackerTaskService {
                 }
             }
             // for (TAppOrderOut orderOut : orderOuts) {
-            //     OrderOutCBReq orderOutCBReq = new OrderOutCBReq();
-            //     orderOutCBReq.setTaskId(orderOut.getOrderId());
-            //     orderOutCBReq.setVehicleNo(vehicleId);
-            //     orderOutCBReq.setResult(OrderOutCBEnums.COMPLETE.getCode());
-            //     orderOutCBReq.setResultMessage("出库完成");
+            // OrderOutCBReq orderOutCBReq = new OrderOutCBReq();
+            // orderOutCBReq.setTaskId(orderOut.getOrderId());
+            // orderOutCBReq.setVehicleNo(vehicleId);
+            // orderOutCBReq.setResult(OrderOutCBEnums.COMPLETE.getCode());
+            // orderOutCBReq.setResultMessage("出库完成");
 
-            //     int times = 0;
-            //     MesApiResponse response = null;
-            //     do {
-            //         response = externalApiService.invokeOrderOutCB(orderOutCBReq);
-            //         times++;
-            //         Thread.sleep(15000L * times);
-            //     } while (response.getCode() != 0 && times <= 10);
-            //     if (response.getCode() != 0) {
-            //         log.error("[WMS]上报失败");
-            //     } else {
-            //         log.info("[WMS]上报成功");
-            //     }
+            // int times = 0;
+            // MesApiResponse response = null;
+            // do {
+            // response = externalApiService.invokeOrderOutCB(orderOutCBReq);
+            // times++;
+            // Thread.sleep(15000L * times);
+            // } while (response.getCode() != 0 && times <= 10);
+            // if (response.getCode() != 0) {
+            // log.error("[WMS]上报失败");
+            // } else {
+            // log.info("[WMS]上报成功");
+            // }
             // }
         }
     }