diff --git a/BasicData/Tnb.BasicData/BasMbomService.cs b/BasicData/Tnb.BasicData/BasMbomService.cs
index 586fc06c..356f7cb4 100644
--- a/BasicData/Tnb.BasicData/BasMbomService.cs
+++ b/BasicData/Tnb.BasicData/BasMbomService.cs
@@ -133,6 +133,7 @@ namespace Tnb.BasicData
         [HttpPost]
         public async Task<string> SaveData(MbomSaveDataInput mbomSaveDataInput)
         {
+            ErrorCode errorCode = ErrorCode.COM1008;
             DbResult<bool> result =  await _repository.AsSugarClient().Ado.UseTranAsync(async () =>
             {
                 //新增
@@ -158,6 +159,13 @@ namespace Tnb.BasicData
                         create_time = DateTime.Now,
                         
                     };
+
+                    if (await _repository.IsAnyAsync(x =>
+                            x.material_id == mbomSaveDataInput.material_id && x.version == mbomSaveDataInput.version))
+                    {
+                        errorCode = ErrorCode.COM1004;
+                        throw Oops.Oh(ErrorCode.COM1004);
+                    }
                     await _repository.InsertAsync(mbom);
                     List<BasMbomProcess> processes = new List<BasMbomProcess>();
                     List<BasMbomInput> inputs = new List<BasMbomInput>();
@@ -233,6 +241,13 @@ namespace Tnb.BasicData
                 }
                 else//修改
                 {
+                    if (await _repository.IsAnyAsync(x =>
+                            x.material_id == mbomSaveDataInput.material_id && x.version == mbomSaveDataInput.version && x.id!=mbomSaveDataInput.id))
+                    {
+                        errorCode = ErrorCode.COM1004;
+                        throw Oops.Oh(ErrorCode.COM1004);
+                    }
+                    
                     string orgId =  _userManager.GetUserInfo().Result.organizeId;
                     await _repository.UpdateAsync(x=>new BasMbom()
                     {
@@ -334,11 +349,25 @@ namespace Tnb.BasicData
             {
                 if (!string.IsNullOrEmpty(mbomSaveDataInput.id))
                 {
-                    throw Oops.Oh(ErrorCode.COM1001);
+                    if (errorCode != ErrorCode.COM1004)
+                    {
+                        throw Oops.Oh(ErrorCode.COM1001);
+                    }
+                    else
+                    {
+                        throw Oops.Oh(errorCode);
+                    }
                 }
                 else
                 {
-                    throw Oops.Oh(ErrorCode.COM1000);
+                    if (errorCode != ErrorCode.COM1004)
+                    {
+                        throw Oops.Oh(ErrorCode.COM1000);
+                    }
+                    else
+                    {
+                        throw Oops.Oh(errorCode);
+                    }
                 }
                 
             }