diff --git a/bms-back/ruoyi-system/src/main/java/com/ruoyi/ar/service/impl/ArBillServiceImpl.java b/bms-back/ruoyi-system/src/main/java/com/ruoyi/ar/service/impl/ArBillServiceImpl.java
index a8fce57d..c3919b57 100644
--- a/bms-back/ruoyi-system/src/main/java/com/ruoyi/ar/service/impl/ArBillServiceImpl.java
+++ b/bms-back/ruoyi-system/src/main/java/com/ruoyi/ar/service/impl/ArBillServiceImpl.java
@@ -61,9 +61,6 @@ import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.file.FileUtils;
 import com.ruoyi.common.utils.file.FileUploadUtils;
 import com.ruoyi.common.utils.uuid.IdUtils;
-import com.ruoyi.customer.customermoney.api.CreditUsageCommand;
-import com.ruoyi.customer.customermoney.api.CustomerFundBizType;
-import com.ruoyi.customer.customermoney.api.ICustomerAccountApi;
 import com.ruoyi.price.domain.PrcIncomeBillFee;
 import com.ruoyi.price.domain.PrcOrderBill;
 import com.ruoyi.price.mapper.PrcIncomeBillFeeMapper;
@@ -86,7 +83,6 @@ public class ArBillServiceImpl implements IArBillService
     @Autowired private IArBillLogService logService;
     @Autowired private PrcOrderBillMapper sourceBillMapper;
     @Autowired private PrcIncomeBillFeeMapper sourceFeeMapper;
-    @Autowired private ICustomerAccountApi customerAccountApi;
 
     @Override
     public List<ArBill> selectArBillList(ArBillQuery query)
@@ -292,10 +288,7 @@ public class ArBillServiceImpl implements IArBillService
                 bill.getStatus(),
                 "账单状态已发生变化，请刷新后重试", operator, requestId);
         }
-        // 账单确认：应收形成，按账单金额占用客户授信额度。
-        // 不校验可用额度，兼容历史 used_credit 可高于总额度、外币账户静默跳过的口径。
-//        账单不调用余额变动接口
-//        customerAccountApi.occupyCredit(buildCreditCommand(bill, "确认应收账单"));
+        // 应收账单只负责形成应收，不参与客户余额或授信额度变更。
         recordSuccess(bill, ArLogObjectType.BILL, ArLogOperationType.CONFIRM,
             "确认应收账单", ArBillStatus.DRAFT.getCode(), ArBillStatus.CONFIRMED.getCode(), requestId, operator);
         return selectArBillById(arBillId);
@@ -338,11 +331,6 @@ public class ArBillServiceImpl implements IArBillService
                 bill.getStatus(),
                 "账单状态已发生变化，请刷新后重试", operator, requestId);
         }
-        // 账单作废：已确认账单占用的授信额度全额释放（可作废的CONFIRMED账单必然零核销）。
-        if (currentStatus == ArBillStatus.CONFIRMED)
-        {
-            customerAccountApi.releaseCredit(buildCreditCommand(bill, "作废应收账单"));
-        }
         if (!sourceBillIds.isEmpty())
         {
             int releasedCount = sourceBillMapper.releaseArBillOrders(sourceBillIds, operator,
@@ -571,22 +559,6 @@ public class ArBillServiceImpl implements IArBillService
         return new ServiceException(message);
     }
 
-    /** 构造客户资金模块使用的应收账单授信命令，确认和作废共用同一业务标识。 */
-    private CreditUsageCommand buildCreditCommand(ArBill bill, String reason)
-    {
-        CreditUsageCommand command = new CreditUsageCommand();
-        command.setCustomerId(bill.getCustomerId());
-        command.setCurrency(bill.getCurrency());
-        command.setAmount(nvl(bill.getTotalAmount()));
-        command.setBizType(CustomerFundBizType.AR_BILL);
-        command.setBizId(bill.getArBillId());
-        command.setBizNo(bill.getBillNo());
-        command.setReason(reason + "：" + bill.getBillNo());
-        // 应收确认沿用历史口径：允许已用额度暂时超过额度上限；释放场景该字段无意义。
-        command.setCheckAvailable(Boolean.FALSE);
-        return command;
-    }
-
     private byte[] buildWorkbook(ArBill bill) throws IOException
     {
         ClassPathResource resource = new ClassPathResource(EXPORT_TEMPLATE_RESOURCE);