diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiPurchaseTransactionController.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiPurchaseTransactionController.java
index 5c0b409..511d701 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiPurchaseTransactionController.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiPurchaseTransactionController.java
@@ -134,12 +134,10 @@ public class CcdiPurchaseTransactionController extends BaseController {
      */
     @Operation(summary = "异步导入采购交易")
     @Parameter(name = "file", description = "导入文件", required = true)
-    @Parameter(name = "updateSupport", description = "是否更新支持，true-存在则更新，false-存在则跳过", required = true)
     @PreAuthorize("@ss.hasPermi('ccdi:purchaseTransaction:import')")
     @Log(title = "采购交易信息", businessType = BusinessType.IMPORT)
     @PostMapping("/importData")
-    public AjaxResult importData(@Parameter(description = "导入文件") MultipartFile file,
-                                 @Parameter(description = "是否更新支持") boolean updateSupport) throws Exception {
+    public AjaxResult importData(@Parameter(description = "导入文件") MultipartFile file) throws Exception {
         List<CcdiPurchaseTransactionExcel> list = EasyExcelUtil.importExcel(file.getInputStream(), CcdiPurchaseTransactionExcel.class);
 
         if (list == null || list.isEmpty()) {
@@ -147,7 +145,7 @@ public class CcdiPurchaseTransactionController extends BaseController {
         }
 
         // 提交异步任务
-        String taskId = transactionService.importTransaction(list, updateSupport);
+        String taskId = transactionService.importTransaction(list);
 
         // 立即返回,不等待后台任务完成
         ImportResultVO result = new ImportResultVO();
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiStaffRecruitmentController.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiStaffRecruitmentController.java
index 185615a..25c6f52 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiStaffRecruitmentController.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/controller/CcdiStaffRecruitmentController.java
@@ -126,9 +126,9 @@ public class CcdiStaffRecruitmentController extends BaseController {
     @PreAuthorize("@ss.hasPermi('ccdi:staffRecruitment:import')")
     @Log(title = "员工招聘信息", businessType = BusinessType.IMPORT)
     @PostMapping("/importData")
-    public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception {
+    public AjaxResult importData(MultipartFile file) throws Exception {
         List<CcdiStaffRecruitmentExcel> list = EasyExcelUtil.importExcel(file.getInputStream(), CcdiStaffRecruitmentExcel.class);
-        String message = recruitmentService.importRecruitment(list, updateSupport);
+        String message = recruitmentService.importRecruitment(list);
         return success(message);
     }
 }
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionImportService.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionImportService.java
index 2af4c1f..99b9e94 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionImportService.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionImportService.java
@@ -17,12 +17,11 @@ public interface ICcdiPurchaseTransactionImportService {
     /**
      * 异步导入采购交易数据
      *
-     * @param excelList        Excel数据列表
-     * @param isUpdateSupport  是否更新已存在的数据
-     * @param taskId           任务ID
-     * @param userName         当前用户名
+     * @param excelList Excel数据列表
+     * @param taskId    任务ID
+     * @param userName  当前用户名
      */
-    void importTransactionAsync(List<CcdiPurchaseTransactionExcel> excelList, Boolean isUpdateSupport, String taskId, String userName);
+    void importTransactionAsync(List<CcdiPurchaseTransactionExcel> excelList, String taskId, String userName);
 
     /**
      * 查询导入状态
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java
index 795b8a2..deab47f 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiPurchaseTransactionService.java
@@ -77,9 +77,8 @@ public interface ICcdiPurchaseTransactionService {
     /**
      * 导入采购交易数据（异步）
      *
-     * @param excelList     Excel实体列表
-     * @param isUpdateSupport 是否更新支持
+     * @param excelList Excel实体列表
      * @return 任务ID
      */
-    String importTransaction(List<CcdiPurchaseTransactionExcel> excelList, Boolean isUpdateSupport);
+    String importTransaction(List<CcdiPurchaseTransactionExcel> excelList);
 }
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiStaffRecruitmentService.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiStaffRecruitmentService.java
index 78c013d..9bad26c 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiStaffRecruitmentService.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/ICcdiStaffRecruitmentService.java
@@ -77,9 +77,8 @@ public interface ICcdiStaffRecruitmentService {
     /**
      * 导入招聘信息数据
      *
-     * @param excelList     Excel实体列表
-     * @param isUpdateSupport 是否更新支持
+     * @param excelList Excel实体列表
      * @return 结果
      */
-    String importRecruitment(List<CcdiStaffRecruitmentExcel> excelList, Boolean isUpdateSupport);
+    String importRecruitment(List<CcdiStaffRecruitmentExcel> excelList);
 }
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionImportServiceImpl.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionImportServiceImpl.java
index b263404..a5d127a 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionImportServiceImpl.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionImportServiceImpl.java
@@ -43,9 +43,8 @@ public class CcdiPurchaseTransactionImportServiceImpl implements ICcdiPurchaseTr
     @Override
     @Async
     @Transactional
-    public void importTransactionAsync(List<CcdiPurchaseTransactionExcel> excelList, Boolean isUpdateSupport, String taskId, String userName) {
+    public void importTransactionAsync(List<CcdiPurchaseTransactionExcel> excelList, String taskId, String userName) {
         List<CcdiPurchaseTransaction> newRecords = new ArrayList<>();
-        List<CcdiPurchaseTransaction> updateRecords = new ArrayList<>();
         List<PurchaseTransactionImportFailureVO> failures = new ArrayList<>();
 
         // 批量查询已存在的采购事项ID
@@ -60,19 +59,15 @@ public class CcdiPurchaseTransactionImportServiceImpl implements ICcdiPurchaseTr
                 CcdiPurchaseTransactionAddDTO addDTO = new CcdiPurchaseTransactionAddDTO();
                 BeanUtils.copyProperties(excel, addDTO);
 
-                // 验证数据(支持更新模式)
-                validateTransactionData(addDTO, isUpdateSupport, existingIds);
+                // 验证数据
+                validateTransactionData(addDTO, existingIds);
 
                 CcdiPurchaseTransaction transaction = new CcdiPurchaseTransaction();
                 BeanUtils.copyProperties(excel, transaction);
 
                 if (existingIds.contains(excel.getPurchaseId())) {
-                    if (isUpdateSupport) {
-                        transaction.setUpdatedBy(userName);
-                        updateRecords.add(transaction);
-                    } else {
-                        throw new RuntimeException("采购事项ID已存在且未启用更新支持");
-                    }
+                    // 采购事项ID已存在，直接报错
+                    throw new RuntimeException(String.format("采购事项ID[%s]已存在，请勿重复导入", excel.getPurchaseId()));
                 } else {
                     transaction.setCreatedBy(userName);
                     transaction.setUpdatedBy(userName);
@@ -92,11 +87,6 @@ public class CcdiPurchaseTransactionImportServiceImpl implements ICcdiPurchaseTr
             saveBatch(newRecords, 500);
         }
 
-        // 批量更新已有数据（先删除再插入）
-        if (!updateRecords.isEmpty() && isUpdateSupport) {
-            transactionMapper.insertOrUpdateBatch(updateRecords);
-        }
-
         // 保存失败记录到Redis
         if (!failures.isEmpty()) {
             String failuresKey = "import:purchaseTransaction:" + taskId + ":failures";
@@ -105,7 +95,7 @@ public class CcdiPurchaseTransactionImportServiceImpl implements ICcdiPurchaseTr
 
         ImportResult result = new ImportResult();
         result.setTotalCount(excelList.size());
-        result.setSuccessCount(newRecords.size() + updateRecords.size());
+        result.setSuccessCount(newRecords.size());
         result.setFailureCount(failures.size());
 
         // 更新最终状态
@@ -217,11 +207,10 @@ public class CcdiPurchaseTransactionImportServiceImpl implements ICcdiPurchaseTr
     /**
      * 验证采购交易数据
      *
-     * @param addDTO           新增DTO
-     * @param isUpdateSupport  是否支持更新
-     * @param existingIds      已存在的采购事项ID集合
+     * @param addDTO      新增DTO
+     * @param existingIds 已存在的采购事项ID集合
      */
-    private void validateTransactionData(CcdiPurchaseTransactionAddDTO addDTO, Boolean isUpdateSupport, Set<String> existingIds) {
+    private void validateTransactionData(CcdiPurchaseTransactionAddDTO addDTO, Set<String> existingIds) {
         // 验证必填字段
         if (StringUtils.isEmpty(addDTO.getPurchaseId())) {
             throw new RuntimeException("采购事项ID不能为空");
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionServiceImpl.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionServiceImpl.java
index f335146..3bb8b54 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionServiceImpl.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiPurchaseTransactionServiceImpl.java
@@ -148,13 +148,12 @@ public class CcdiPurchaseTransactionServiceImpl implements ICcdiPurchaseTransact
     /**
      * 导入采购交易数据（异步）
      *
-     * @param excelList        Excel实体列表
-     * @param isUpdateSupport  是否更新支持，true-存在则更新，false-存在则跳过
+     * @param excelList Excel实体列表
      * @return 任务ID
      */
     @Override
     @Transactional
-    public String importTransaction(java.util.List<CcdiPurchaseTransactionExcel> excelList, Boolean isUpdateSupport) {
+    public String importTransaction(java.util.List<CcdiPurchaseTransactionExcel> excelList) {
         if (StringUtils.isNull(excelList) || excelList.isEmpty()) {
             throw new RuntimeException("至少需要一条数据");
         }
@@ -182,7 +181,7 @@ public class CcdiPurchaseTransactionServiceImpl implements ICcdiPurchaseTransact
         redisTemplate.expire(statusKey, 7, TimeUnit.DAYS);
 
         // 调用异步导入服务
-        transactionImportService.importTransactionAsync(excelList, isUpdateSupport, taskId, userName);
+        transactionImportService.importTransactionAsync(excelList, taskId, userName);
 
         return taskId;
     }
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffRecruitmentServiceImpl.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffRecruitmentServiceImpl.java
index 549af94..e58ec8a 100644
--- a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffRecruitmentServiceImpl.java
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiStaffRecruitmentServiceImpl.java
@@ -153,13 +153,12 @@ public class CcdiStaffRecruitmentServiceImpl implements ICcdiStaffRecruitmentSer
     /**
      * 导入招聘信息数据（批量优化版本）
      *
-     * @param excelList        Excel实体列表
-     * @param isUpdateSupport  是否更新支持，true-存在则更新，false-存在则跳过
+     * @param excelList Excel实体列表
      * @return 结果
      */
     @Override
     @Transactional
-    public String importRecruitment(List<CcdiStaffRecruitmentExcel> excelList, Boolean isUpdateSupport) {
+    public String importRecruitment(List<CcdiStaffRecruitmentExcel> excelList) {
         if (StringUtils.isNull(excelList) || excelList.isEmpty()) {
             return "至少需要一条数据";
         }
@@ -171,7 +170,6 @@ public class CcdiStaffRecruitmentServiceImpl implements ICcdiStaffRecruitmentSer
 
         // 第一阶段：数据验证和分类
         List<CcdiStaffRecruitment> toInsertList = new ArrayList<>();
-        List<CcdiStaffRecruitment> toUpdateList = new ArrayList<>();
 
         // 批量收集所有招聘项目编号
         List<String> recruitIds = new ArrayList<>();
@@ -205,17 +203,10 @@ public class CcdiStaffRecruitmentServiceImpl implements ICcdiStaffRecruitmentSer
                 // 检查是否已存在
                 CcdiStaffRecruitment existingRecruitment = existingRecruitmentMap.get(excel.getRecruitId());
 
-                // 判断数据状态和操作类型
+                // 判断数据状态
                 if (existingRecruitment != null) {
-                    // 招聘项目编号已存在
-                    if (isUpdateSupport) {
-                        // 支持更新，添加到更新列表
-                        recruitment.setUpdatedBy("导入");
-                        toUpdateList.add(recruitment);
-                    } else {
-                        // 不支持更新，跳过或报错
-                        throw new RuntimeException("该招聘项目编号已存在");
-                    }
+                    // 招聘项目编号已存在，直接报错
+                    throw new RuntimeException(String.format("招聘项目编号[%s]已存在，请勿重复导入", excel.getRecruitId()));
                 } else {
                     // 招聘项目编号不存在，新增数据
                     recruitment.setCreatedBy("导入");
@@ -236,27 +227,13 @@ public class CcdiStaffRecruitmentServiceImpl implements ICcdiStaffRecruitmentSer
             successNum += toInsertList.size();
         }
 
-        if (!toUpdateList.isEmpty()) {
-            // 使用自定义批量更新方法
-            recruitmentMapper.updateBatch(toUpdateList);
-            successNum += toUpdateList.size();
-        }
-
         // 第四阶段：返回结果（只返回错误信息）
         if (failureNum > 0) {
             failureMsg.insert(0, "很抱歉，导入完成！成功 " + successNum + " 条，失败 " + failureNum + " 条，错误如下：");
             throw new RuntimeException(failureMsg.toString());
         } else {
-            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据类型：");
-            if (!toInsertList.isEmpty()) {
-                successMsg.append("新增 ").append(toInsertList.size()).append(" 条");
-            }
-            if (!toUpdateList.isEmpty()) {
-                if (!toInsertList.isEmpty()) {
-                    successMsg.append("，");
-                }
-                successMsg.append("更新 ").append(toUpdateList.size()).append(" 条");
-            }
+            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据类型：新增 ");
+            successMsg.append(toInsertList.size()).append(" 条");
             return successMsg.toString();
         }
     }
diff --git a/ruoyi-ui/src/views/ccdiPurchaseTransaction/index.vue b/ruoyi-ui/src/views/ccdiPurchaseTransaction/index.vue
index 3afe6b1..baa8a9d 100644
--- a/ruoyi-ui/src/views/ccdiPurchaseTransaction/index.vue
+++ b/ruoyi-ui/src/views/ccdiPurchaseTransaction/index.vue
@@ -500,7 +500,7 @@
         :limit="1"
         accept=".xlsx, .xls"
         :headers="upload.headers"
-        :action="upload.url + '?updateSupport=' + upload.updateSupport"
+        :action="upload.url"
         :disabled="upload.isUploading"
         :on-progress="handleFileUploadProgress"
         :on-success="handleFileSuccess"
@@ -510,7 +510,6 @@
         <i class="el-icon-upload"></i>
         <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
         <div class="el-upload__tip" slot="tip">
-          <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的采购交易数据
           <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
         </div>
         <div class="el-upload__tip" slot="tip">
@@ -715,8 +714,6 @@ export default {
         title: "",
         // 是否禁用上传
         isUploading: false,
-        // 是否更新已经存在的数据
-        updateSupport: 0,
         // 设置上传的请求头部
         headers: { Authorization: "Bearer " + getToken() },
         // 上传的地址
diff --git a/ruoyi-ui/src/views/ccdiStaffRecruitment/index.vue b/ruoyi-ui/src/views/ccdiStaffRecruitment/index.vue
index 186ff6a..5198486 100644
--- a/ruoyi-ui/src/views/ccdiStaffRecruitment/index.vue
+++ b/ruoyi-ui/src/views/ccdiStaffRecruitment/index.vue
@@ -314,7 +314,7 @@
         :limit="1"
         accept=".xlsx, .xls"
         :headers="upload.headers"
-        :action="upload.url + '?updateSupport=' + upload.updateSupport"
+        :action="upload.url"
         :disabled="upload.isUploading"
         :on-progress="handleFileUploadProgress"
         :on-success="handleFileSuccess"
@@ -324,7 +324,6 @@
         <i class="el-icon-upload"></i>
         <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
         <div class="el-upload__tip" slot="tip">
-          <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的招聘信息数据
           <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
         </div>
         <div class="el-upload__tip" slot="tip">
@@ -457,8 +456,6 @@ export default {
         title: "",
         // 是否禁用上传
         isUploading: false,
-        // 是否更新已经存在的数据
-        updateSupport: 0,
         // 设置上传的请求头部
         headers: { Authorization: "Bearer " + getToken() },
         // 上传的地址