diff --git a/src/Shentun.Peis.Domain/EntityHelper.cs b/src/Shentun.Peis.Domain/EntityHelper.cs
index 9a4e2f0..4f939f8 100644
--- a/src/Shentun.Peis.Domain/EntityHelper.cs
+++ b/src/Shentun.Peis.Domain/EntityHelper.cs
@@ -1,14 +1,16 @@
-using System;
+using Shentun.Peis.Models;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Volo.Abp;
 using Volo.Abp.Domain.Entities;
 using Volo.Abp.Domain.Repositories;
 
 namespace Shentun.Peis
 {
-    public class EntityHelper
+    internal class EntityHelper
     {
         /// <summary>
         /// 创建最大显示顺序
@@ -22,5 +24,36 @@ namespace Shentun.Peis
             int? maxDisplayOrder = await repository.MaxAsync(o => (int?)o.DisplayOrder);
             return (maxDisplayOrder ?? 0) + 1;
         }
+        /// <summary>
+        /// 检查同名
+        /// </summary>
+        /// <typeparam name="TEntity"></typeparam>
+        /// <typeparam name="TKey"></typeparam>
+        /// <param name="repository"></param>
+        /// <param name="name"></param>
+        /// <param name="updatedEntity"></param>
+        /// <returns></returns>
+        /// <exception cref="UserFriendlyException"></exception>
+        public static async Task CheckSameName<TEntity,TKey>(IRepository<TEntity> repository,string name, TEntity updatedEntity = null)
+           where TEntity : class, IEntity<TKey>, IDisplayName
+        {
+            Check.NotNullOrWhiteSpace(name, nameof(name));
+            TEntity existEntity;
+            
+            if (updatedEntity == null)
+            {
+                existEntity = await repository.FindAsync(o => o.DisplayName == name);
+            }
+            else 
+            {
+                existEntity = await repository.FindAsync(o => o.Id.ToString() != updatedEntity.Id.ToString() && o.DisplayName == name);
+            }
+           
+
+            if (existEntity != null)
+            {
+                throw new UserFriendlyException($"名称:'{name}'已存在");
+            }
+        }
     }
 }
diff --git a/src/Shentun.Peis.Domain/GuideTypes/GuideTypeManager.cs b/src/Shentun.Peis.Domain/GuideTypes/GuideTypeManager.cs
index 5e023b8..00c1579 100644
--- a/src/Shentun.Peis.Domain/GuideTypes/GuideTypeManager.cs
+++ b/src/Shentun.Peis.Domain/GuideTypes/GuideTypeManager.cs
@@ -30,7 +30,7 @@ namespace Shentun.Peis.GuidTypes
          )
         {
             Check.NotNullOrWhiteSpace(entity.DisplayName, nameof(entity.DisplayName));
-            await CheckSameName(entity.DisplayName);
+            await EntityHelper.CheckSameName<GuideType, Guid>(_repository, entity.DisplayName);
             return new GuideType(
                 GuidGenerator.Create()
              )
@@ -54,7 +54,8 @@ namespace Shentun.Peis.GuidTypes
             Check.NotNullOrWhiteSpace(sourceEntity.DisplayName, nameof(sourceEntity.DisplayName));
             if(sourceEntity.DisplayName != targetEntity.DisplayName)
             {
-                await CheckSameName(sourceEntity.DisplayName, targetEntity);
+               
+                await EntityHelper.CheckSameName<GuideType, Guid>(_repository, sourceEntity.DisplayName, targetEntity);
                 targetEntity.DisplayName = sourceEntity.DisplayName;
                 targetEntity.SimpleCode = LanguageConverter.GetPYSimpleCode(targetEntity.DisplayName);
             }
@@ -66,30 +67,6 @@ namespace Shentun.Peis.GuidTypes
             
         }
         
-        /// <summary>
-        /// 检查同名
-        /// </summary>
-        /// <param name="name"></param>
-        /// <param name="updatedEntity"></param>
-        /// <returns></returns>
-        /// <exception cref="UserFriendlyException"></exception>
-        private async Task CheckSameName(string name,GuideType updatedEntity = null)
-        {
-            Check.NotNullOrWhiteSpace(name, nameof(name));
-            GuideType existEntity;
-            if (updatedEntity== null) 
-            {
-                existEntity = await _repository.FindAsync(o => o.DisplayName == name);
-            }
-            else
-            {
-                existEntity = await _repository.FindAsync(o => o.Id != updatedEntity.Id && o.DisplayName == name);
-            }
-           
-            if (existEntity != null)
-            {
-                throw new UserFriendlyException($"名称:'{name}'已存在");
-            }
-        }
+        
     }
 }
diff --git a/src/Shentun.Peis.Domain/IDisplayName.cs b/src/Shentun.Peis.Domain/IDisplayName.cs
new file mode 100644
index 0000000..149386d
--- /dev/null
+++ b/src/Shentun.Peis.Domain/IDisplayName.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Shentun.Peis
+{
+    internal interface IDisplayName
+    {
+        string DisplayName { get; set; }
+    }
+}
diff --git a/src/Shentun.Peis.Domain/IDisplayOrder.cs b/src/Shentun.Peis.Domain/IDisplayOrder.cs
index 0ca55d4..0f0bb07 100644
--- a/src/Shentun.Peis.Domain/IDisplayOrder.cs
+++ b/src/Shentun.Peis.Domain/IDisplayOrder.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Shentun.Peis
 {
-    public interface IDisplayOrder
+    internal interface IDisplayOrder
     {
         int DisplayOrder { get; set; }
     }
diff --git a/src/Shentun.Peis.Domain/ItemTypes/ItemTypeManager.cs b/src/Shentun.Peis.Domain/ItemTypes/ItemTypeManager.cs
index 7de6c8f..94994ac 100644
--- a/src/Shentun.Peis.Domain/ItemTypes/ItemTypeManager.cs
+++ b/src/Shentun.Peis.Domain/ItemTypes/ItemTypeManager.cs
@@ -29,7 +29,7 @@ namespace Shentun.Peis.ItemTypes
         {
             CheckNotNull(entity);
 
-            await CheckSameName(entity.DisplayName);
+            await EntityHelper.CheckSameName<ItemType, Guid>(_repository, entity.DisplayName);
             return new ItemType(
                 GuidGenerator.Create()
              )
@@ -53,7 +53,7 @@ namespace Shentun.Peis.ItemTypes
             
             if (sourceEntity.DisplayName != targetEntity.DisplayName)
             {
-                await CheckSameName(sourceEntity.DisplayName, targetEntity);
+                await EntityHelper.CheckSameName<ItemType, Guid>(_repository, sourceEntity.DisplayName, targetEntity);
                 targetEntity.DisplayName = sourceEntity.DisplayName;
                 //targetEntity.SimpleCode = LanguageConverter.GetPYSimpleCode(targetEntity.ItemTypeName);
             }
@@ -66,30 +66,9 @@ namespace Shentun.Peis.ItemTypes
         }
 
         /// <summary>
-        /// 检查同名
+        /// 检查空值
         /// </summary>
-        /// <param name="name"></param>
-        /// <param name="updatedEntity"></param>
-        /// <returns></returns>
-        /// <exception cref="UserFriendlyException"></exception>
-        private async Task CheckSameName(string name, ItemType updatedEntity = null)
-        {
-            Check.NotNullOrWhiteSpace(name, nameof(name));
-            ItemType existEntity;
-            if (updatedEntity == null)
-            {
-                existEntity = await _repository.FindAsync(o => o.DisplayName == name);
-            }
-            else
-            {
-                existEntity = await _repository.FindAsync(o => o.Id != updatedEntity.Id && o.DisplayName == name);
-            }
-
-            if (existEntity != null)
-            {
-                throw new UserFriendlyException($"名称:'{name}'已存在");
-            }
-        }
+        /// <param name="entity"></param>
         private void CheckNotNull(ItemType entity)
         {
             Check.NotNullOrWhiteSpace(entity.DisplayName, nameof(entity.DisplayName));
diff --git a/src/Shentun.Peis.Domain/MedicalReportTypes/MedicalReportTypeManager.cs b/src/Shentun.Peis.Domain/MedicalReportTypes/MedicalReportTypeManager.cs
index 90b87ab..cee499a 100644
--- a/src/Shentun.Peis.Domain/MedicalReportTypes/MedicalReportTypeManager.cs
+++ b/src/Shentun.Peis.Domain/MedicalReportTypes/MedicalReportTypeManager.cs
@@ -27,7 +27,7 @@ namespace Shentun.Peis.MedicalReportTypes
          )
         {
             Check.NotNullOrWhiteSpace(entity.DisplayName, nameof(entity.DisplayName));
-            await CheckSameName(entity.DisplayName);
+            await EntityHelper.CheckSameName<MedicalReportType, Guid>(_repository, entity.DisplayName);
             return new MedicalReportType(
                 GuidGenerator.Create()
              )
@@ -51,7 +51,8 @@ namespace Shentun.Peis.MedicalReportTypes
             Check.NotNullOrWhiteSpace(sourceEntity.DisplayName, nameof(sourceEntity.DisplayName));
             if (sourceEntity.DisplayName != targetEntity.DisplayName)
             {
-                await CheckSameName(sourceEntity.DisplayName, targetEntity);
+               
+                await EntityHelper.CheckSameName<MedicalReportType, Guid>(_repository, sourceEntity.DisplayName, targetEntity);
                 targetEntity.DisplayName = sourceEntity.DisplayName;
                 targetEntity.SimpleCode = LanguageConverter.GetPYSimpleCode(targetEntity.DisplayName);
             }
@@ -62,30 +63,6 @@ namespace Shentun.Peis.MedicalReportTypes
             }
 
         }
-        /// <summary>
-        /// 检查同名
-        /// </summary>
-        /// <param name="name"></param>
-        /// <param name="updatedEntity"></param>
-        /// <returns></returns>
-        /// <exception cref="UserFriendlyException"></exception>
-        private async Task CheckSameName(string name, MedicalReportType updatedEntity = null)
-        {
-            Check.NotNullOrWhiteSpace(name, nameof(name));
-            MedicalReportType existEntity;
-            if (updatedEntity == null)
-            {
-                existEntity = await _repository.FindAsync(o => o.DisplayName == name);
-            }
-            else
-            {
-                existEntity = await _repository.FindAsync(o => o.Id != updatedEntity.Id && o.DisplayName == name);
-            }
-
-            if (existEntity != null)
-            {
-                throw new UserFriendlyException($"名称:'{name}'已存在");
-            }
-        }
+       
     }
 }
diff --git a/src/Shentun.Peis.Domain/Models/GuideType.cs b/src/Shentun.Peis.Domain/Models/GuideType.cs
index befd2a4..f6a90f1 100644
--- a/src/Shentun.Peis.Domain/Models/GuideType.cs
+++ b/src/Shentun.Peis.Domain/Models/GuideType.cs
@@ -13,7 +13,7 @@ namespace Shentun.Peis.Models
     /// 指引类别
     /// </summary>
     [Table("guide_type")]
-    public class GuideType : AuditedEntity<Guid>,IDisplayOrder
+    public class GuideType : AuditedEntity<Guid>,IDisplayOrder, IDisplayName
     {
         public GuideType()
         {
diff --git a/src/Shentun.Peis.Domain/Models/ItemType.cs b/src/Shentun.Peis.Domain/Models/ItemType.cs
index 3757894..c390322 100644
--- a/src/Shentun.Peis.Domain/Models/ItemType.cs
+++ b/src/Shentun.Peis.Domain/Models/ItemType.cs
@@ -14,7 +14,7 @@ namespace Shentun.Peis.Models
     /// </summary>
     [Table("item_type")]
     [Index(nameof(DisplayName), nameof(ParentId), Name = "ix_item_type", IsUnique = true)]
-    public class ItemType : AuditedEntity<Guid>, IDisplayOrder
+    public class ItemType : AuditedEntity<Guid>, IDisplayOrder,IDisplayName
     {
 
         public ItemType()
diff --git a/src/Shentun.Peis.Domain/Models/MedicalReportType.cs b/src/Shentun.Peis.Domain/Models/MedicalReportType.cs
index b4abcf8..17f94c0 100644
--- a/src/Shentun.Peis.Domain/Models/MedicalReportType.cs
+++ b/src/Shentun.Peis.Domain/Models/MedicalReportType.cs
@@ -12,7 +12,7 @@ namespace Shentun.Peis.Models
     /// 体检报告类别设置
     /// </summary>
     [Table("medical_report_type")]
-    public class MedicalReportType : AuditedEntity<Guid>, IDisplayOrder
+    public class MedicalReportType : AuditedEntity<Guid>, IDisplayOrder,IDisplayName
     {
         public MedicalReportType()
         {