diff --git a/src/main/java/com/syjiaer/clinic/server/service/inventory/InventoryService.java b/src/main/java/com/syjiaer/clinic/server/service/inventory/InventoryService.java
index 3f3582e..4b2bb41 100644
--- a/src/main/java/com/syjiaer/clinic/server/service/inventory/InventoryService.java
+++ b/src/main/java/com/syjiaer/clinic/server/service/inventory/InventoryService.java
@@ -50,9 +50,6 @@ public class InventoryService extends BaseService {
     private InventoryPurchaseMapper inventoryPurchaseMapper;
     @Autowired
     private InventoryPurchaseLogMapper inventoryPurchaseLogMapper;
-    @Autowired
-    @Lazy
-    private InventoryService inventoryService;
 
     public List<Inventory> listByOrderCode(String orderCode) {
         QueryWrapper<Inventory> queryWrapper = new QueryWrapper<>();
@@ -397,6 +394,9 @@ public class InventoryService extends BaseService {
     }
     @Transactional(rollbackFor = Exception.class)
     public InventoryLog changeNumber(Integer id, Type type, Integer changeWholeNumber, Integer changeFragmentNumber, String remark) {
+        return changeNumberCore(id, type, changeWholeNumber, changeFragmentNumber, remark);
+    }
+    private InventoryLog changeNumberCore(Integer id, Type type, Integer changeWholeNumber, Integer changeFragmentNumber, String remark) {
         // 1. 获取库存记录
         Inventory inventory = inventoryMapper.selectById(id);
         if (inventory == null) {
@@ -491,11 +491,11 @@ public class InventoryService extends BaseService {
                     .eq("good_id", goodsId)
                     .orderByDesc("create_datetime").last("limit 1"));
 
-            list.add(inventoryService.changeNumber(inventory.getId(), Type.IN, changeWhole, changeFragment, remark));
+            list.add(this.changeNumberCore(inventory.getId(), Type.IN, changeWhole, changeFragment, remark));
         } else {
             changeFragment = -changeFragment;
             changeWhole = -changeWhole;
-            list = inventoryService.outByGoodsId(goodsId, changeWhole, changeFragment, remark);
+            list = this.outByGoodsId(goodsId, changeWhole, changeFragment, remark);
         }
         return list;
     }
@@ -535,7 +535,7 @@ public class InventoryService extends BaseService {
             int deductFragment = deduct % goods.getMinPackagingNumber();
 
             // 调用现有方法执行出库
-            result.add(inventoryService.changeNumber(inv.getId(), Type.OUT, deductWhole, deductFragment, remark));
+            result.add(this.changeNumberCore(inv.getId(), Type.OUT, deductWhole, deductFragment, remark));
 
             // 更新剩余需要扣除量
             requiredTotalFragment -= deduct;