diff --git a/src/WMS.Web.Api/Controllers/SysConfigController.cs b/src/WMS.Web.Api/Controllers/SysConfigController.cs
index ba374d38..e03f3ae8 100644
--- a/src/WMS.Web.Api/Controllers/SysConfigController.cs
+++ b/src/WMS.Web.Api/Controllers/SysConfigController.cs
@@ -309,8 +309,9 @@ namespace WMS.Web.Api.Controllers
             if (loginInfo == null || loginInfo.UserInfo == null)
                 return ResultList<BoxResponse>.ReFailure(ResultCodes.Token_Invalid_Error);
 
+            boxBillNos = boxBillNos.ConvertAll(d => d.ToLower());
             var res = await _boxRepositories.GetBox(boxBillNos);
-            var bStrList = res.Select(s => s.BoxBillNo).ToList();
+            var bStrList = res.Select(s => s.BoxBillNo.ToLower()).ToList();
             var ex = boxBillNos.Except(bStrList).ToList();
             if (ex.Count() > 0)
                 return ResultList<BoxResponse>.ReFailure("箱号" + JsonConvert.SerializeObject(ex) + "不存在", 800000);
diff --git a/src/WMS.Web.Repositories/BoxRepositories.cs b/src/WMS.Web.Repositories/BoxRepositories.cs
index b355a921..ad3cb6b9 100644
--- a/src/WMS.Web.Repositories/BoxRepositories.cs
+++ b/src/WMS.Web.Repositories/BoxRepositories.cs
@@ -57,7 +57,6 @@ namespace WMS.Web.Repositories
         /// <returns></returns>
         public async Task<List<BoxResponse>> GetBox(List<string> BoxBillNos)
         {
-            BoxBillNos = BoxBillNos.ConvertAll(d => d.ToLower());
             var list = await _context.Box.Include(x => x.Details).Where(f => BoxBillNos.Contains(f.BoxBillNo.ToLower())).ToListAsync();
             var resList = _mapper.Map<List<BoxResponse>>(list);