diff --git a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
index ea80f58a..c9f75ab5 100644
--- a/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
+++ b/zt-module-contract-order/zt-module-contract-order-server/src/main/java/com/zt/plat/module/contractorder/service/contract/ContractServiceImpl.java
@@ -1301,7 +1301,7 @@ public class ContractServiceImpl implements ContractService {
 
         // 通过合同编号查询合同信息
         ContractMainDO contractMainDO = contractMainMapper
-                .selectOne(TableFieldConstants.BSE_CTRT_MAIN_CTRT_PPR_NUM, contractPaperNumber);
+                .selectOne(ContractMainDO::getSystemContractNumber, contractPaperNumber);
 
         // 合同不存在
         if (contractMainDO == null) {