diff --git a/src/WMS.Web.Domain/Services/ChangeMoveBoxService.cs b/src/WMS.Web.Domain/Services/ChangeMoveBoxService.cs
index ea780719..fbc6a9b3 100644
--- a/src/WMS.Web.Domain/Services/ChangeMoveBoxService.cs
+++ b/src/WMS.Web.Domain/Services/ChangeMoveBoxService.cs
@@ -60,8 +60,8 @@ namespace WMS.Web.Domain.Services
         {
             _logger.LogInformation($"改箱:{JsonConvert.SerializeObject(dto)} 操作人:{loginInfo.UserInfo.StaffId}");
             //1.有原箱时 需要判断 物料对应的序列号是否存在
-            var srcIds = dto.Select(s => s.SrcBoxId).ToList();
-            var destIds = dto.Select(s => s.DestBoxId).ToList();
+            var srcIds = dto.Select(s => s.SrcBoxId).Distinct().ToList();
+            var destIds = dto.Select(s => s.DestBoxId).Distinct().ToList();
             var boxs = await _boxInventoryRepositories.GetList(srcIds);
             foreach (var d in dto)
             {