diff --git a/src/main/java/com/qs/serve/modules/sys/service/impl/SysDeleteLogServiceImpl.java b/src/main/java/com/qs/serve/modules/sys/service/impl/SysDeleteLogServiceImpl.java
index 4b116396..f7225e8b 100644
--- a/src/main/java/com/qs/serve/modules/sys/service/impl/SysDeleteLogServiceImpl.java
+++ b/src/main/java/com/qs/serve/modules/sys/service/impl/SysDeleteLogServiceImpl.java
@@ -10,6 +10,7 @@ import com.qs.serve.common.util.JsonUtil;
 import com.qs.serve.modules.bir.consts.BirActivityCenterGoodsUtil;
 import com.qs.serve.modules.bms.entity.BmsSupplier;
 import com.qs.serve.modules.bms.mapper.BmsSupplierMapper;
+import com.qs.serve.modules.seeyon.service.SeeYonRequestService;
 import com.qs.serve.modules.sys.entity.dto.CostDeletion;
 import com.qs.serve.modules.tbs.entity.TbsCostApply;
 import com.qs.serve.modules.tbs.entity.TbsCostTodo;
@@ -45,6 +46,7 @@ public class SysDeleteLogServiceImpl extends ServiceImpl<SysDeleteLogMapper,SysD
     private final VtbVerificationMapper verificationMapper;
     private final TbsCostTodoMapper tbsCostTodoMapper;
     private final BmsSupplierMapper supplierMapper;
+    private final SeeYonRequestService seeYonService;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -65,6 +67,13 @@ public class SysDeleteLogServiceImpl extends ServiceImpl<SysDeleteLogMapper,SysD
             deleteLogList.add(deleteLog);
         }
 
+        if(costApply.getContractFlag().equals(1)){
+            boolean checkExist = seeYonService.checkConstCodeExist(costApply.getCode());
+            if(!checkExist){
+                Assert.throwEx("流程在OA已存在，优先删除OA数据，再调用该接口");
+            }
+        }
+
         //远程删除ERP
         String url = "http://59.37.164.96:2505/api/cms/cost/deletion";
         CostDeletion costDeletion = new CostDeletion();