diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeApBillSyncSupport.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeApBillSyncSupport.java
index db8e2dcb..ced44ec1 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeApBillSyncSupport.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeApBillSyncSupport.java
@@ -845,7 +845,7 @@ public class KingdeeApBillSyncSupport {
 	 * @param taxRate 分录税率（百分数，来自合同计费方案规则）
 	 * @return 金蝶税率.编码，无税率为 null
 	 */
-	private String taxrateCode(BigDecimal taxRate) {
+	public String taxrateCode(BigDecimal taxRate) {
 		if (taxRate == null) {
 			return null;
 		}
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeArBillSyncSupport.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeArBillSyncSupport.java
index bef28b0c..233fedfd 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeArBillSyncSupport.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/support/KingdeeArBillSyncSupport.java
@@ -247,7 +247,8 @@ public class KingdeeArBillSyncSupport {
 		param.setCurrencyNumber(currency);
 		// 【必填】款项性质.编码
 		param.setPaypropertyNumber(KingdeeBfiConstant.BFI_AR_BILL_PAY_PROPERTY);
-		// TODO 待确认：结算方式编码（settlementtype_number）与税率编码（taxrateid_number）、到期日（duedate）需金蝶侧确认后补充，当前不传
+		// TODO 待确认：结算方式编码（settlementtype_number）、到期日（duedate）需金蝶侧确认后补充，当前不传；
+		// 税率编码（taxrateid_number）已按 thirdparty.bfi.taxrate 映射送出（与应付单同口径）
 		// 录入含税价（非必传）
 		param.setIsincludetax(true);
 		// 录入总价，为 true 后可不录入单价（非必传）
@@ -293,6 +294,8 @@ public class KingdeeArBillSyncSupport {
 			row.setERecamount(entryGroup.amount());
 			// 金额（不含税）：结算明细行结算金额（不含税），结算合计费用项行无不含税金额不传
 			row.setEAmount(entryGroup.amountNoTax());
+			// 税率.编码：thirdparty.bfi.taxrate 配置 税率数值->编码（如 9 -> V9），与应付单同口径，未维护该税率拦截报错
+			row.setTaxrateidNumber(kingdeeApBillSyncSupport.taxrateCode(entryGroup.taxRate()));
 			// 【必填】项目.项目编码：开关开启取项目档案真实编码（金蝶档案须已存在且编码一致），未关联项目兜底 999
 			row.setProjectNumber(kingdeeApBillSyncSupport.kingdeeProjectNumber(settlement.getProjectId(), context));
 			// 【必填】外部系统来源分录标识（候选键）：结算明细行取单据号，结算合计费用项行取结算单号-费用类型-费用项拼接
diff --git a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiArBillSaveEntryDTO.java b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiArBillSaveEntryDTO.java
index 6b2235f0..e9831cbf 100644
--- a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiArBillSaveEntryDTO.java
+++ b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiArBillSaveEntryDTO.java
@@ -25,6 +25,7 @@
  */
 package org.springblade.thirdparty.bfi.pojo.dto;
 
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
@@ -35,11 +36,15 @@ import java.math.BigDecimal;
 
 /**
  * 业财融合（BFI）A302-2 财务应收单保存 明细分录
+ * <p>getter 可见性关闭：e 前缀字段（如 eQuantity）经 Lombok getter 推导的属性名（equantity）与字段名不一致，
+ * 会产生 e_quantity/equantity 重复键，统一以字段 + @JsonProperty 序列化</p>
  *
  * @author Chill
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE,
+	isGetterVisibility = JsonAutoDetect.Visibility.NONE)
 public class BfiArBillSaveEntryDTO implements Serializable {
 	@Serial
 	private static final long serialVersionUID = 1L;