diff --git a/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java b/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
index 079568f45..18623eb98 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
@@ -506,21 +506,25 @@ public class BusinessDocumentOrderAdjustService {
     }
 
     /**
-     * 是否修改了金额：主表金额列变化 或 明细 amount 变化
+     * 是否修改了金额：主表金额/费用列变化 或 明细 amount 变化
      */
     private boolean isAmountChanged(BusinessDocumentOrder dbOrder, BusinessDocumentOrder front,
                                     boolean hasFeeDetail, List<BusinessOrderAccount> dbFeeList,
                                     List<BusinessOrderAccount> newFeeList) {
-        // a) 主表金额列比对
+        // a) 主表金额/费用列比对（金额列用 BigDecimal 比对，字符串列用 equals 比对）
         boolean mainChanged = FEE_FIELDS.stream().anyMatch(field -> {
             Object newVal = BeanUtil.getFieldValue(front, field);
             if (newVal == null) {
                 return false;
             }
             Object oldVal = BeanUtil.getFieldValue(dbOrder, field);
-            BigDecimal old = oldVal == null ? BigDecimal.ZERO : (BigDecimal) oldVal;
-            BigDecimal now = (BigDecimal) newVal;
-            return old.compareTo(now) != 0;
+            if (newVal instanceof BigDecimal || oldVal instanceof BigDecimal) {
+                BigDecimal old = oldVal == null ? BigDecimal.ZERO : new BigDecimal(oldVal.toString());
+                BigDecimal now = new BigDecimal(newVal.toString());
+                return old.compareTo(now) != 0;
+            }
+            // 字符串字段(结算币种/收款账户等)
+            return !newVal.toString().equals(oldVal == null ? "" : oldVal.toString());
         });
         if (mainChanged) {
             return true;