diff --git a/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java b/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
index 73bb90e..5787c17 100644
--- a/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
+++ b/so/src/public/nccloud/api/so/saleinvoice/operator/IAPISaleInvMaitainImpl.java
@@ -318,7 +318,10 @@ public class IAPISaleInvMaitainImpl {
                 itemDetails.put("ftaxtypeflag", 1);// 扣税类别
                 itemDetails.put("pk_group", "00");// 集团
                 itemDetails.put("pk_org", originalJson.getJSONObject("billhead").getString("pk_org"));// 开票组织
-                itemDetails.put("cunitid", item.getString("castunitid"));// 主单位
+                // 单位
+                String castunitid = item.getString("castunitid");
+                itemDetails.put("cunitid", castunitid);// 主单位
+                itemDetails.put("cqtunitid", castunitid);// 报价单位
                 String vchangerate = value2.getOrDefault("vchangerate", "1/1") + "";
                 itemDetails.put("vchangerate", vchangerate);// 换算率