diff --git a/src/main/java/com/dreamchaser/depository_manage/service/impl/DepositoryServiceImpl.java b/src/main/java/com/dreamchaser/depository_manage/service/impl/DepositoryServiceImpl.java
index 6d8ed63a..5422d1c4 100644
--- a/src/main/java/com/dreamchaser/depository_manage/service/impl/DepositoryServiceImpl.java
+++ b/src/main/java/com/dreamchaser/depository_manage/service/impl/DepositoryServiceImpl.java
@@ -110,7 +110,10 @@ public class DepositoryServiceImpl implements DepositoryService {
             code = parentCode + String.format("%02d", sonDepositoryNum + 1);
         }
         map.put("code", code);
-        map.put("maxNumber",(int)(ObjectFormatUtil.toDouble(map.get("maxNumber")) * 100));
+        Double maxNumber = ObjectFormatUtil.toDouble(map.get("maxNumber"));
+        if ((int) (maxNumber * 100) > 999999999) {
+            map.put("maxNumber", 999999999);
+        }
         return depositoryMapper.insertDepository(map);
     }
 
@@ -215,7 +218,10 @@ public class DepositoryServiceImpl implements DepositoryService {
      */
     @Override
     public Integer updateDepository(Map<String, Object> map) {
-        map.put("maxNumber",(int)(ObjectFormatUtil.toDouble(map.get("maxNumber")) * 100));
+        Double maxNumber = ObjectFormatUtil.toDouble(map.get("maxNumber"));
+        if ((int) (maxNumber * 100) > 999999999) {
+            map.put("maxNumber", 999999999);
+        }
         return depositoryMapper.updateDepository(map);
     }
 
@@ -554,7 +560,7 @@ public class DepositoryServiceImpl implements DepositoryService {
         // 定义树结构
         List<Object> result = new ArrayList<>();
         for (int i = 0; i < list.size(); i++) {
-            if(list.get(i) == null){
+            if (list.get(i) == null) {
                 continue;
             }
             // 构造为jsonObject类
@@ -737,8 +743,8 @@ public class DepositoryServiceImpl implements DepositoryService {
     @Override
     public List<InventoryByDname> getToDayInventoryByDNameTest() {
         List<InventoryByDname> toDayInventoryByDNameTest = depositoryMapper.getToDayInventoryByDNameTest();
-        for (InventoryByDname inventoryByDName:toDayInventoryByDNameTest
-             ) {
+        for (InventoryByDname inventoryByDName : toDayInventoryByDNameTest
+        ) {
             inventoryByDName.setInventory(inventoryByDName.getInventory() / 100);
         }
         return toDayInventoryByDNameTest;