diff --git a/lc123/cloud/app/api/controller/SupplierControl.java b/lc123/cloud/app/api/controller/SupplierControl.java
index cb04e57..befe102 100644
--- a/lc123/cloud/app/api/controller/SupplierControl.java
+++ b/lc123/cloud/app/api/controller/SupplierControl.java
@@ -15,7 +15,6 @@ import kd.bos.openapi.common.custom.annotation.ApiResponseBody;
 import kd.bos.openapi.common.result.CustomApiResult;
 import kd.bos.orm.query.QCP;
 import kd.bos.orm.query.QFilter;
-import kd.bos.servicehelper.AttachmentServiceHelper;
 import kd.bos.servicehelper.BusinessDataServiceHelper;
 import kd.bos.servicehelper.operation.OperationServiceHelper;
 import kd.bos.servicehelper.operation.SaveServiceHelper;
@@ -104,7 +103,7 @@ public class SupplierControl implements Serializable {
                     rowMsg.add("供应商银行信息分录为空");
                     billStatus = false;
                 } else {
-                    Boolean isdefault_bank = false;
+                    int defaultCount = 0;
                     for (int j = 0; j < entry_bank.size(); j++) {
                         SupplierModel.DataBean.BankBean bankBean = entry_bank.get(j);
                         String bank_number = bankBean.getBank_number();
@@ -112,7 +111,10 @@ public class SupplierControl implements Serializable {
                             rowMsg.add("供应商开户银行.编码（行号）字段【bank_number】为空");
                             billStatus = false;
                         }
-                        isdefault_bank = bankBean.getIsdefault_bank();
+                        Boolean isdefault_bank = bankBean.getIsdefault_bank();
+                        if (isdefault_bank) {
+                            defaultCount++;
+                        }
                         String accountname = bankBean.getAccountname();
                         if (StringUtils.isEmpty(accountname)) {
                             rowMsg.add("供应商银行信息分录.收款方名称字段【accountname】为空");
@@ -125,9 +127,12 @@ public class SupplierControl implements Serializable {
                         }
                         Integer seq = bankBean.getSeq();
                     }
-                    if (!isdefault_bank) {
+                    if (defaultCount == 0) {
                         rowMsg.add("供应商银行信息分录要有一行默认的银行账号");
                         billStatus = false;
+                    } else if (defaultCount > 1) {
+                        rowMsg.add("只能有一行默认的银行账号");
+                        billStatus = false;
                     }
                 }
                 List<SupplierModel.DataBean.LinkmanBean> entry_linkman = dataBean.getEntry_linkman();
@@ -135,7 +140,7 @@ public class SupplierControl implements Serializable {
                     rowMsg.add("供应商联系人分录为空");
                     billStatus = false;
                 } else {
-                    Boolean isdefault_linkman = false;
+                    int defaultCount = 0;
                     for (int k = 0; k < entry_linkman.size(); k++) {
                         SupplierModel.DataBean.LinkmanBean linkmanBean = entry_linkman.get(k);
                         String contactperson = linkmanBean.getContactperson();
@@ -155,11 +160,17 @@ public class SupplierControl implements Serializable {
                             rowMsg.add("供应商联系人分录.详细地址字段【tqq9_textfield_xxdz】为空");
                             billStatus = false;
                         }
-                        isdefault_linkman = linkmanBean.getIsdefault_linkman();
+                        Boolean isdefault_linkman = linkmanBean.getIsdefault_linkman();
+                        if (isdefault_linkman) {
+                            defaultCount++;
+                        }
                     }
-                    if (!isdefault_linkman) {
+                    if (defaultCount == 0) {
                         rowMsg.add("联系人信息中需要有一个默认且有效的联系人");
                         billStatus = false;
+                    } else if (defaultCount > 1) {
+                        rowMsg.add("只能有一行默认联系热");
+                        billStatus = false;
                     }
                 }
                 List<SupplierModel.DataBean.AttachmentBean> attachment = dataBean.getAttachment();