diff --git a/vue-fastapi-backend/module_admin/dao/datastd_dao.py b/vue-fastapi-backend/module_admin/dao/datastd_dao.py
index c78a6bf..d87a7f8 100644
--- a/vue-fastapi-backend/module_admin/dao/datastd_dao.py
+++ b/vue-fastapi-backend/module_admin/dao/datastd_dao.py
@@ -1,7 +1,7 @@
 from sqlalchemy import delete, select, update, desc,or_,not_
 from sqlalchemy.ext.asyncio import AsyncSession
-from module_admin.entity.do.datastd_do import DataStdCode,DataStdDict,DataAstContent,DataAstContentRela,DataStdMain,DataStdMainAppr,DataStdDictAppr
-from module_admin.entity.vo.datastd_vo import DataStdCodeModel,DataStdDictModel,DataStdMainModel,DataStdMainApprModel,DataStdDictApprModel
+from module_admin.entity.do.datastd_do import DataStdCode,DataStdDict,DataAstContent,DataAstContentRela,DataStdMain,DataStdMainAppr,DataStdDictAppr,DataStdCodeAppr
+from module_admin.entity.vo.datastd_vo import DataStdCodeModel,DataStdDictModel,DataStdMainModel,DataStdMainApprModel,DataStdDictApprModel,DataStdCodeApprModel
 from module_admin.entity.do.dept_do import SysDept
 from utils.page_util import PageUtil
 from sqlalchemy.orm import aliased
@@ -154,10 +154,23 @@ class DataStdDao:
         await db.flush()
         return col
 
+    @classmethod
+    async def add_std_code_appr(cls, db: AsyncSession,model:DataStdCodeApprModel):
+        col = DataStdCodeAppr(
+           **model.model_dump()
+        )
+        db.add(col)
+        await db.flush()
+        return col
+
     @classmethod
     async def delete_std_code(cls, db: AsyncSession, Id: str):
         await db.execute(delete(DataStdCode).where(DataStdCode.id == Id))
-
+    @classmethod
+    async def update_std_code_appr(cls, db: AsyncSession, update_data: DataStdCodeApprModel):
+    
+        await db.execute(update(DataStdCodeAppr), [update_data])
+        await db.flush()
  
     @classmethod
     async def update_std_code(cls, db: AsyncSession, update_data: DataStdCodeModel):
diff --git a/vue-fastapi-backend/module_admin/service/datastd_service.py b/vue-fastapi-backend/module_admin/service/datastd_service.py
index 0e8be16..5834d82 100644
--- a/vue-fastapi-backend/module_admin/service/datastd_service.py
+++ b/vue-fastapi-backend/module_admin/service/datastd_service.py
@@ -85,7 +85,7 @@ class DataStdService:
         except Exception as e:
             await query_db.rollback()
             raise e
- 
+
 
     @classmethod
     async def code_detail_services(cls, query_db: AsyncSession, col: str):
@@ -208,7 +208,7 @@ class DataStdService:
         code.sys_name = '公司级' if 'company' == code.code_type else code.sys_name
     
         # 校验标准代码是否已存在于正式表中
-        if await cls.check_code_exists_in_official(query_db, code.code_num):
+        if not await cls.check_code_unique_services(query_db, code):
             raise ServiceException(message=f'标准代码{code.code_num}已经存在于正式表中，无法新增')
     
         # 先创建标准代码的审批记录
@@ -216,6 +216,7 @@ class DataStdService:
         appr_model.changeType = "add"
         appr_model.compareId = code.id
         appr_model.oldInstId = code.id
+        appr_model.code_status="9"
         appr_model.approStatus = "waiting"
         appr_model.flowId = str(uuid.uuid4())  # 新生成 Flow ID
     
@@ -240,7 +241,7 @@ class DataStdService:
             item.parent_id = code.id  # 设置父级 ID
     
             # 校验代码项是否已存在于正式表中
-            if await cls.check_code_exists_in_official(query_db, item.code_num):
+            if not await cls.check_code_unique_services(query_db, item):
                 raise ServiceException(message=f'代码项{item.code_num}已经存在于正式表中，无法新增')
     
             # 同样需要创建审批记录
@@ -253,9 +254,7 @@ class DataStdService:
     
             await DataStdDao.add_std_code_appr(query_db, item_appr_model)
     
-            # 创建代码项的审批申请
-            apply_model.businessId = item_appr_model.flowId
-            await ApprovalService.apply_services(query_db, apply_model, 'dataStdCode')
+
     
         return CrudResponseModel(is_success=True, message='新增标准代码和代码项成功')