diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpProjectChangeController.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpProjectChangeController.java
index 19341cc9..4e837709 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpProjectChangeController.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpProjectChangeController.java
@@ -148,4 +148,16 @@ public class ErpProjectChangeController extends BaseController {
         return R.ok(erpProjectChangeService.queryByProjectPlanId(projectPlanId));
     }
 
+    /**
+     * 查询指定项目的所有历史变更记录
+     *
+     * @param projectId 项目ID
+     */
+    @SaCheckPermission("oa/erp:erpProjectChange:query")
+    @GetMapping("/queryHistoryByProjectId/{projectId}")
+    public R<List<ErpProjectChangeVo>> queryHistoryByProjectId(@NotNull(message = "项目ID不能为空")
+                                                              @PathVariable("projectId") Long projectId) {
+        return R.ok(erpProjectChangeService.queryHistoryByProjectId(projectId));
+    }
+
 }
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpProjectChangeService.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpProjectChangeService.java
index 98850d9c..6b8e38fa 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpProjectChangeService.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpProjectChangeService.java
@@ -90,4 +90,13 @@ public interface IErpProjectChangeService {
      * @return 变更记录列表
      */
     List<ErpProjectChangeVo> queryByProjectPlanId(Long projectPlanId);
+
+    /**
+     * 查询指定项目的所有历史变更记录（包含预算、进度子表数据）
+     * 取消了暂存状态的数据，只显示历史及当前的审批流转/可用状态记录
+     *
+     * @param projectId 项目 ID
+     * @return 历史变更记录列表
+     */
+    List<ErpProjectChangeVo> queryHistoryByProjectId(Long projectId);
 }
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpProjectChangeServiceImpl.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpProjectChangeServiceImpl.java
index eba56a61..77e5c1fe 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpProjectChangeServiceImpl.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpProjectChangeServiceImpl.java
@@ -318,6 +318,21 @@ public class ErpProjectChangeServiceImpl implements IErpProjectChangeService {
             throw new ServiceException("项目信息不存在");
         }
 
+        // 查询项目的有效预算
+        ErpBudgetInfo budgetInfo = budgetInfoMapper.selectOne(
+            Wrappers.<ErpBudgetInfo>lambdaQuery()
+                .eq(ErpBudgetInfo::getProjectId, projectId)
+                .eq(ErpBudgetInfo::getBudgetStatus, "3") // 可用状态
+                .orderByDesc(ErpBudgetInfo::getBudgetVersion)
+                .last("limit 1")
+        );
+
+        // 使用预算表中的合同额和合同净额作为当前合同额和当前合同净额
+        if (budgetInfo != null) {
+            vo.setContractAmount(budgetInfo.getContractAmount());
+            vo.setContractNetAmount(budgetInfo.getNetContractAmount());
+        }
+
         // 检查是否有未完成的变更（状态1或2）
         List<ErpProjectChange> existingChanges = baseMapper.selectList(
             Wrappers.<ErpProjectChange>lambdaQuery()
@@ -434,15 +449,6 @@ public class ErpProjectChangeServiceImpl implements IErpProjectChangeService {
             vo.setProgressList(progressList);
 
             // 查询项目预算明细，转换为预算变更明细
-            // 首先查询项目的有效预算
-            ErpBudgetInfo budgetInfo = budgetInfoMapper.selectOne(
-                Wrappers.<ErpBudgetInfo>lambdaQuery()
-                    .eq(ErpBudgetInfo::getProjectId, projectId)
-                    .eq(ErpBudgetInfo::getBudgetStatus, "3") // 可用状态
-                    .orderByDesc(ErpBudgetInfo::getBudgetVersion)
-                    .last("limit 1")
-            );
-
             List<ErpProjectChangeBudget> budgetList = new ArrayList<>();
             if (budgetInfo != null) {
                 // 查询预算明细
@@ -661,6 +667,60 @@ public class ErpProjectChangeServiceImpl implements IErpProjectChangeService {
         return voList;
     }
 
+    /**
+     * 查询指定项目的所有历史变更记录（包含预算、进度子表数据）
+     * 取消了暂存状态的数据，只显示历史及当前的审批流转/可用状态记录
+     *
+     * @param projectId 项目 ID
+     * @return 历史变更记录列表
+     */
+    @Override
+    public List<ErpProjectChangeVo> queryHistoryByProjectId(Long projectId) {
+        if (projectId == null) {
+            return new ArrayList<>();
+        }
+
+        // 查询该项目的所有非草稿的变更记录（按照变更次数/创建时间正序，便于组装历史变更轴）
+        LambdaQueryWrapper<ErpProjectChange> lqw = Wrappers.lambdaQuery(ErpProjectChange.class)
+            .eq(ErpProjectChange::getProjectId, projectId)
+            .eq(ErpProjectChange::getDelFlag, "0")
+            .ne(ErpProjectChange::getProjectChangeStatus, "1") // 排除暂存状态
+            .orderByAsc(ErpProjectChange::getChangeNumber) // 升序排列，第1次在前面
+            .orderByAsc(ErpProjectChange::getCreateTime);
+
+        List<ErpProjectChange> list = baseMapper.selectList(lqw);
+
+        // 转换为VO并关联子表数据
+        List<ErpProjectChangeVo> voList = new ArrayList<>();
+        for (ErpProjectChange entity : list) {
+            // 这里我们需要查询到发起人名字之类的信息所以使用 selectCustomErpProjectChangeVoById 更加完整
+            ErpProjectChangeVo vo = baseMapper.selectCustomErpProjectChangeVoById(entity.getProjectChangeId());
+            if(vo == null) {
+                continue;
+            }
+
+            // 关联子表数据
+            vo.setBudgetList(changeBudgetMapper.selectList(
+                Wrappers.lambdaQuery(ErpProjectChangeBudget.class)
+                    .eq(ErpProjectChangeBudget::getProjectChangeId, vo.getProjectChangeId())
+                    .eq(ErpProjectChangeBudget::getDelFlag, "0")
+                    .orderByAsc(ErpProjectChangeBudget::getSortOrder)
+            ));
+
+            vo.setProgressList(changeProgressMapper.selectList(
+                Wrappers.lambdaQuery(ErpProjectChangeProgress.class)
+                    .eq(ErpProjectChangeProgress::getProjectChangeId, vo.getProjectChangeId())
+                    .eq(ErpProjectChangeProgress::getDelFlag, "0")
+                    .orderByAsc(ErpProjectChangeProgress::getSortOrder)
+            ));
+
+            voList.add(vo);
+        }
+
+        return voList;
+    }
+
+
     /**
      * 项目变更流程监听器
      *