diff --git a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/domain/contract/EssContractInfo.java b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/domain/contract/EssContractInfo.java
index 81c9ba97..f437b5d9 100644
--- a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/domain/contract/EssContractInfo.java
+++ b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/domain/contract/EssContractInfo.java
@@ -18,6 +18,11 @@ public class EssContractInfo {
      */
     private String appCode;
 
+    /**
+     * 业务编码
+     */
+    private String bizCode;
+
     /**
      * 幂等编码
      */
diff --git a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/CreateContractRequest.java b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/CreateContractRequest.java
index e6d0db6f..4bdfaa48 100644
--- a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/CreateContractRequest.java
+++ b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/CreateContractRequest.java
@@ -25,6 +25,12 @@ public abstract class CreateContractRequest {
     @NotBlank(message = "appCode不能为空")
     private String appCode;
 
+    /**
+     * 业务编码
+     */
+    @NotNull(message = "bizCode不能为空")
+    private String bizCode = "";
+
     /**
      * 幂等编码, 最大长度200. 使用appCode和idempotentCode的合同不能重复
      */
diff --git a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
index cfab43a3..bb513fe5 100644
--- a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
+++ b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
@@ -32,6 +32,11 @@ public class EssContract extends BaseEntity<EssContract> {
      */
     private String appCode;
 
+    /**
+     * 业务编码
+     */
+    private String bizCode;
+
     /**
      * 幂等编码
      */
diff --git a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/support/ContractSupport.java b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/support/ContractSupport.java
index 751646d9..19f9f909 100644
--- a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/support/ContractSupport.java
+++ b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/support/ContractSupport.java
@@ -62,6 +62,7 @@ public class ContractSupport {
     public EssContract saveContractByFile(CreateContractByFileRequest request) {
         EssContract contract = new EssContract();
         contract.setAppCode(request.getAppCode());
+        contract.setBizCode(request.getBizCode());
         contract.setIdempotentCode(request.getIdempotentCode());
         contract.setCreatorOuId(request.getCreator().getOuId());
         contract.setCreatorPersonId(request.getCreator().getPersonId());
diff --git a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
index 12e20bc6..bbd22b42 100644
--- a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
+++ b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
@@ -450,6 +450,7 @@ public class ChangeRecordRelationServiceImpl extends ServiceImpl<ChangeRecordRel
         createContractRequest.setByFile(pdfFile);
         // TODO
         createContractRequest.setAppCode(MSG_CENTER_APP_CODE);
+        createContractRequest.setBizCode(String.valueOf(visa.getId()));
         OperatorInfo creator = new OperatorInfo();
         creator.setOuId(req.getOperatorOuId());
         creator.setPersonId(req.getOperatorPersonId());