diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/ErpContractChangeInfo.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/ErpContractChangeInfo.java
index 1a486280..3f60aa9e 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/ErpContractChangeInfo.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/ErpContractChangeInfo.java
@@ -173,7 +173,7 @@ public class ErpContractChangeInfo extends TenantEntity {
     /**
      * 发货/交货期
      */
-    private Long deliveryStart;
+    private String deliveryStart;
 
     /**
      * 质保期描述
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/vo/ErpContractChangeInfoVo.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/vo/ErpContractChangeInfoVo.java
index 407c27da..e87cc78a 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/vo/ErpContractChangeInfoVo.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/vo/ErpContractChangeInfoVo.java
@@ -209,7 +209,7 @@ public class ErpContractChangeInfoVo implements Serializable {
      * 发货/交货期
      */
     @ExcelProperty(value = "发货/交货期")
-    private Long deliveryStart;
+    private String deliveryStart;
 
     /**
      * 质保期描述
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpContractInfoServiceImpl.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpContractInfoServiceImpl.java
index 5556c6a8..355c41e3 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpContractInfoServiceImpl.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpContractInfoServiceImpl.java
@@ -517,7 +517,6 @@ public class ErpContractInfoServiceImpl implements IErpContractInfoService {
         data.put("外部合同号", strVal(contractInfo.getExternalContractCode()));
         data.put("订单号", strVal(contractInfo.getOrderContractCode()));
         data.put("项目号", strVal(contractInfo.getProjectContractCode()));
-        //  当前业务已统一“发货/交货期”命名，保留历史键兼容旧模板占位符
         String deliveryPeriod = strVal(contractInfo.getDeliveryStart());
         data.put("发货/交货期", deliveryPeriod);
         data.put("交付启动期限", deliveryPeriod);