diff --git a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnDetDTO.cs b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnDetDTO.cs
index ca2ff8f..4fe8030 100644
--- a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnDetDTO.cs
+++ b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnDetDTO.cs
@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Application.Dtos;
 using Win_in.Sfs.Scp.WebApi.Domain.Shared;
 
 namespace Win_in.Sfs.Scp.WebApi
@@ -7,7 +8,7 @@ namespace Win_in.Sfs.Scp.WebApi
     /// <summary>
     /// QAD发货单明细(ASN detail) SupplierAsnDetailInput
     /// </summary>
-    public class AsnDetDTO :EntityDtoBase<Guid>
+    public class AsnDetDTO : EntityDto
     {
         /// <summary>
         /// 送货单号(ASN number)(Asn number)
diff --git a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnMstrDTO.cs b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnMstrDTO.cs
index 47db1e6..f940aae 100644
--- a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnMstrDTO.cs
+++ b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/AsnMstrDTO.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Application.Dtos;
 using Win_in.Sfs.Scp.WebApi.Asns;
 using Win_in.Sfs.Scp.WebApi.Domain.Shared;
 
@@ -9,8 +10,13 @@ namespace Win_in.Sfs.Scp.WebApi
     /// <summary>
     /// QAD发货单主表(ASN Master) SupplierAsnCreateInput ISupplierAsnAppService
     /// </summary>
-    public class AsnMstrDTO:EntityDtoBase<Guid>
+    public class AsnMstrDTO:EntityDto
     {
+        /// <summary>
+        /// 
+        /// </summary>
+        public virtual string TraceId { get; set; }
+
         /// <summary>
         /// 
         /// </summary>
@@ -31,6 +37,11 @@ namespace Win_in.Sfs.Scp.WebApi
         /// </summary>
         public virtual string AsnNbr { get; set; }
 
+        /// <summary>
+        /// 要货计划号(Request plan number)
+        /// </summary>
+        public virtual string RpNbr { get; set; }
+
         /// <summary>
         /// 采购订单号(Purchase order number)
         /// </summary>
@@ -40,7 +51,12 @@ namespace Win_in.Sfs.Scp.WebApi
         /// 供应商(Vendor)
         /// </summary>
         public virtual string VendorCode { get; set; }
-        
+
+        /// <summary>
+        /// 状态
+        /// </summary>
+        public string Status { get; set; }
+
         /// <summary>
         /// 联系人(Contacts name)
         /// </summary>
@@ -83,10 +99,7 @@ namespace Win_in.Sfs.Scp.WebApi
         /// </summary>
         public string TimeWindow { get; set; }
 
-        /// <summary>
-        /// 状态
-        /// </summary>
-        public string Status { get; set; }
+
 
         /// <summary>
         /// 备注(Remark)
diff --git a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/IX12AsnAppService.cs b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/IX12AsnAppService.cs
index 3446cbb..751ca87 100644
--- a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/IX12AsnAppService.cs
+++ b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application.Contracts/Asns/IX12AsnAppService.cs
@@ -15,7 +15,12 @@ namespace Win_in.Sfs.Scp.WebApi
     public interface IX12AsnAppService : IReadOnlyAppService<X12AsnDTO,Guid,RequestDTO>
     {
         Task<ListResultDto<X12AsnDTO>> GetUnreadListAsync(string site, int count,bool autoUpdateStatus);
-        Task<ListResultDto<X12AsnDTO>> GetNoPoUnreadListAsync(string site, int count, bool autoUpdateStatus);
+
+        Task<ListResultDto<AsnMstrDTO>> GetNoPoUnreadListAsync(string site, int count, bool autoUpdateStatus);
+
+        Task<ActionResult<AsnMstrDTO>> GetNoPoUnreadFirstAsync(string site);
+
+        Task<ActionResult<AsnMstrDTO>> GetNoPoAsync(string site, long uid);
 
         Task<ListResultDto<X12AsnDTO>> GetListAsync(string site, long beginUid,long endUid);
 
diff --git a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application/Asns/X12AsnAppService.cs b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application/Asns/X12AsnAppService.cs
index 0bb049b..e9b5bab 100644
--- a/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application/Asns/X12AsnAppService.cs
+++ b/WebApiService/src/Win_in.Sfs.Scp.WebApi.Application/Asns/X12AsnAppService.cs
@@ -29,6 +29,7 @@ using System.Security.Cryptography;
 using IdentityModel;
 using Microsoft.Extensions.Options;
 using Volo.Abp;
+using System.Drawing;
 
 namespace Win_in.Sfs.Scp.WebApi
 {
@@ -122,15 +123,15 @@ namespace Win_in.Sfs.Scp.WebApi
         }
 
         /// <summary>
-        /// 获取未读无POASN列表(Get unread Asn listwithout PO)
+        /// 获取未读无PO ASN列表(Get unread Asn list without PO)
         /// </summary>
         /// <param name="site">地点(Site)</param>
         /// <param name="count">数量(Count)</param>
         /// <param name="autoUpdateStatus">是否自动更新状态(Auto update data status to finish)</param>
         /// <returns></returns>
         [HttpGet]
-        [Route("nopo-unread-list")]
-        public async Task<ListResultDto<X12AsnDTO>> GetNoPoUnreadListAsync(string site, int count, bool autoUpdateStatus)
+        [Route("nopo/unread-list")]
+        public async Task<ListResultDto<AsnMstrDTO>> GetNoPoUnreadListAsync(string site, int count, bool autoUpdateStatus)
         {
             try
             {
@@ -151,10 +152,85 @@ namespace Win_in.Sfs.Scp.WebApi
 
             var entities = await _x12AsnRepository.GetNoPoUnreadListAsync(site, count, autoUpdateStatus);
 
-            var dtos = BuildDtos(entities);
+            // var dtos = BuildDtos(entities);
 
-            return new ListResultDto<X12AsnDTO>(dtos);
+            var dtos = BuildAsnMstrDtos(entities);
+
+            return new ListResultDto<AsnMstrDTO>(dtos);
+
+        }
+
+        /// <summary>
+        /// 获取首个未读无PO ASN，并更新状态为已读(Get first unread Asn without PO and update status to read)
+        /// </summary>
+        /// <param name="site">地点</param>
+        /// <returns></returns>
+        /// <exception cref="AbpValidationException"></exception>
+        [HttpGet]
+        [Route("nopo/unread-first")]
+        public async Task<ActionResult<AsnMstrDTO>> GetNoPoUnreadFirstAsync(string site)
+        {
+            try
+            {
+                Validator.CheckSite(_tenantRepository, site);
+
+            }
+            catch (Exception ex)
+            {
+                throw new AbpValidationException(new List<ValidationResult>
+                {
+                    new(ex.Message)
+                });
+            }
+
+            var entities = await _x12AsnRepository.GetNoPoUnreadListAsync(site, 1, true);
+
+            if (entities == null || entities.Count == 0)
+            {
+                return  new OkResult();
+            }
+            // var dtos = BuildDtos(entities);
+
+            var dto = BuildAsnMstrDto(entities[0]);
+
+            return dto;
+        }
+
+        /// <summary>
+        /// 根据UID获取无PO ASN(Get Asn without PO by UID)
+        /// </summary>
+        /// <param name="site">地点(Site)</param>
+        /// <param name="uid">UID(UID)</param>
+        /// <returns></returns>
+        /// <exception cref="BadHttpRequestException"></exception>
+        [HttpGet]
+        [Route("nopo/by-uid")]
+        public async Task<ActionResult<AsnMstrDTO>> GetNoPoAsync(string site,long uid)
+        {
+            X12Asn entity;
+            try
+            {
+                Validator.CheckSite(_tenantRepository, site);
 
+                entity = await _x12AsnRepository.FirstOrDefaultAsync(p => p.Site == site && p.DataType==ScpWebApiConsts.NO_PO_ASN && p.UID == uid);
+
+                if (entity == null)
+                {
+
+                    throw new UserFriendlyException($"No Po ASN of {uid} in {site} is not found");
+                }
+            }
+            catch (Exception ex)
+            {
+                throw new AbpValidationException(new List<ValidationResult>
+                {
+                    new(ex.Message)
+                });
+            }
+
+            var dto = BuildAsnMstrDto(entity);
+
+            return dto;
         }
 
         /// <summary>
@@ -352,6 +428,24 @@ namespace Win_in.Sfs.Scp.WebApi
             return dtos;
         }
 
+        private List<AsnMstrDTO> BuildAsnMstrDtos(List<X12Asn> entities)
+        {
+            var dtos = new List<AsnMstrDTO>();
+            foreach (var entity in entities)
+            {
+                var dto = BuildAsnMstrDto(entity);
+                dtos.Add(dto);
+            }
+            return dtos;
+        }
+
+        private AsnMstrDTO BuildAsnMstrDto(X12Asn entity)
+        {
+            var dto = JsonSerializer.Deserialize<AsnMstrDTO>(entity.JsonString);
+            dto.TraceId = $"{dto.Site}-{dto.UID}-{DateTime.Now.Ticks}";
+            return dto;
+        }
+
         private X12AsnDTO BuildDto(X12Asn entity)
         {
             var dto = ObjectMapper.Map<X12Asn, X12AsnDTO>(entity);
diff --git a/WebApiService/src/Win_in.Sfs.Scp.WebApi.HttpApi.Host/Win_in.Sfs.Scp.WebApi.HttpApi.Host.csproj b/WebApiService/src/Win_in.Sfs.Scp.WebApi.HttpApi.Host/Win_in.Sfs.Scp.WebApi.HttpApi.Host.csproj
index a831399..244f957 100644
--- a/WebApiService/src/Win_in.Sfs.Scp.WebApi.HttpApi.Host/Win_in.Sfs.Scp.WebApi.HttpApi.Host.csproj
+++ b/WebApiService/src/Win_in.Sfs.Scp.WebApi.HttpApi.Host/Win_in.Sfs.Scp.WebApi.HttpApi.Host.csproj
@@ -7,8 +7,8 @@
     <RootNamespace>Win_in.Sfs.Scp.WebApi</RootNamespace>
     <PreserveCompilationReferences>true</PreserveCompilationReferences>
     <UserSecretsId>Win_in.Sfs.Scp.WebApi-4681b4fd-151f-4221-84a4-929d86723e4c</UserSecretsId>
-    <AssemblyVersion>1.22.0706.1</AssemblyVersion>
-    <FileVersion>1.22.0706.1</FileVersion>
+    <AssemblyVersion>1.22.0711.1</AssemblyVersion>
+    <FileVersion>1.22.0711.1</FileVersion>
   </PropertyGroup>
 
   <ItemGroup>