diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index d6950dc..34fabea 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -1725,8 +1725,12 @@ public class TaskService {
             throw new BusinessException(ResultCode.PARAM_ERROR, "流水线模式必须是 sequential 或 parallel");
         }
         
-        // 验证子任务列表
-        if (dto.getItems() == null || dto.getItems().isEmpty()) {
+        // 验证子任务列表（一级需求部门任务在草稿状态下可以不填写子任务）
+        boolean isPrimaryTaskInDraft = existTask.getIsPrimaryTask() != null 
+                && existTask.getIsPrimaryTask() == 1 
+                && "draft".equals(existTask.getApprovalStatus());
+        
+        if ((dto.getItems() == null || dto.getItems().isEmpty()) && !isPrimaryTaskInDraft) {
             throw new BusinessException(ResultCode.PARAM_ERROR, "流水线任务至少需要一个子任务");
         }
         
@@ -1734,6 +1738,9 @@ public class TaskService {
         BigDecimal totalScoreDecimal = BigDecimal.ZERO;
         double totalHours = 0;
         int totalQuantity = 0;
+        
+        // 如果有子任务才计算
+        if (dto.getItems() != null && !dto.getItems().isEmpty()) {
         for (com.designhub.dto.PipelineTaskDTO.TaskItemDTO itemDto : dto.getItems()) {
             var demandType = configService.getDemandTypeById(itemDto.getTaskTypeId());
             if (demandType == null) {
@@ -1748,14 +1755,15 @@ public class TaskService {
             totalHours += itemHours;
             totalQuantity += itemDto.getQuantity();
         }
+        } // 结束 if (dto.getItems() != null && !dto.getItems().isEmpty())
         
         // 保留2位小数
         totalScoreDecimal = totalScoreDecimal.setScale(2, java.math.RoundingMode.HALF_UP);
         int totalScoreInt = totalScoreDecimal.intValue(); // 用于积分检查
         
-        // 检查部门积分是否充足（管理员跳过积分检查）
+        // 检查部门积分是否充足（管理员跳过积分检查，一级需求部门草稿任务跳过）
         User user = userService.getUserById(userId);
-        if (!isAdmin && user.getDeptId() != null) {
+        if (!isAdmin && !isPrimaryTaskInDraft && user.getDeptId() != null) {
             if (!teamScorePoolService.checkBalance(user.getDeptId(), totalScoreInt)) {
                 throw new BusinessException(ResultCode.INSUFFICIENT_SCORE, "部门积分余额不足");
             }