diff --git a/nursing-unit-invoicing/nu-invoicing-biz/src/main/java/com/nu/modules/thd/service/impl/ThdServiceImpl.java b/nursing-unit-invoicing/nu-invoicing-biz/src/main/java/com/nu/modules/thd/service/impl/ThdServiceImpl.java
index 63af3690..864c3ecd 100644
--- a/nursing-unit-invoicing/nu-invoicing-biz/src/main/java/com/nu/modules/thd/service/impl/ThdServiceImpl.java
+++ b/nursing-unit-invoicing/nu-invoicing-biz/src/main/java/com/nu/modules/thd/service/impl/ThdServiceImpl.java
@@ -6,19 +6,20 @@ import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.google.common.collect.Maps;
-import com.nu.entity.*;
+import com.nu.entity.InvoicingThdGwcEntity;
+import com.nu.entity.InvoicingThdLogEntity;
+import com.nu.entity.InvoicingThdMainEntity;
+import com.nu.entity.NuKcslEntity;
 import com.nu.modules.ConfigMaterial.entity.ConfigMaterialInfo;
 import com.nu.modules.ConfigMaterial.mapper.ConfigMaterialInfoMapper;
 import com.nu.modules.cgd.entity.NuWarehouseMaterialCrkInfo;
 import com.nu.modules.cgd.service.INuWarehouseMaterialCrkInfoService;
-import com.nu.modules.invoicing.api.IInvoicingThOrdersApi;
 import com.nu.modules.invoicing.api.ITuiHuoApi;
 import com.nu.modules.nu.entity.NuInvoicingNuCrkLog;
 import com.nu.modules.nu.entity.NuInvoicingNuKcsl;
 import com.nu.modules.nu.mapper.NuInvoicingNuKcslMapper;
 import com.nu.modules.nu.service.INuInvoicingNuCrkLogService;
 import com.nu.modules.nu.service.INuInvoicingNuKcslService;
-import com.nu.modules.qld.entity.NuInvoicingQldGwc;
 import com.nu.modules.thd.entity.NuInvoicingThdGwc;
 import com.nu.modules.thd.entity.NuInvoicingThdInfo;
 import com.nu.modules.thd.entity.NuInvoicingThdLog;
@@ -31,7 +32,6 @@ import com.nu.modules.warehouseMaterialInfo.entity.BlWarehouseMaterialInfo;
 import com.nu.modules.warehouseMaterialInfo.service.IBlWarehouseMaterialInfoService;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.compress.utils.Lists;
-import org.apache.commons.lang.StringUtils;
 import org.apache.shiro.SecurityUtils;
 import org.jeecg.common.system.api.ISysBaseAPI;
 import org.jeecg.common.system.vo.LoginUser;
@@ -654,8 +654,8 @@ public class ThdServiceImpl implements ITuiHuoApi {
         qw.eq("nu_id", dto.getNuId());
         qw.eq("elder_id", dto.getElderId());
         qw.eq("status", status);
-        NuInvoicingThdMain qwMain = thdMainMapper.selectOne(qw);
-        if(qwMain!=null){
+        List<NuInvoicingThdMain> qwMain = thdMainMapper.selectList(qw);
+        if(CollectionUtils.isEmpty(qwMain)){
             map.put("success", false);
             map.put("message", "退货单已存在");
         }