diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index 106762c..66bf162 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -125,6 +125,15 @@ public class TaskService {
         }
 
         // 验证任务类型并计算积分（支持多类型）
+        // 对于一级需求部门且关闭了任务明细填写的情况，允许不填写任务类型
+        boolean canSkipTaskType = false;
+        if (isPrimaryTask) {
+            // 检查系统配置：一级需求部门是否可以填写任务明细
+            Boolean canFillDetail = systemConfigService.getBooleanValue("task.primary_dept_can_fill_detail", true);
+            canSkipTaskType = !canFillDetail;
+            log.info("一级需求部门任务，canFillDetail={}, canSkipTaskType={}", canFillDetail, canSkipTaskType);
+        }
+        
         if (task.getQuantity() != null) {
             // 优先处理多类型
             if (task.getTaskTypeIds() != null && !task.getTaskTypeIds().isEmpty()) {
@@ -172,7 +181,12 @@ public class TaskService {
                 
                 log.info("创建单类型任务: typeId={}, score={}", task.getTaskTypeId(), totalScoreSingle);
             } else {
-                throw new BusinessException(ResultCode.PARAM_ERROR, "请选择任务类型");
+                // 如果一级需求部门且关闭了任务明细，允许不填写任务类型
+                if (!canSkipTaskType) {
+                    throw new BusinessException(ResultCode.PARAM_ERROR, "请选择任务类型");
+                } else {
+                    log.info("一级需求部门任务，允许不填写任务类型");
+                }
             }
         }
         
@@ -275,8 +289,16 @@ 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()) {
+        // 检查一级需求部门是否可以跳过任务明细
+        boolean canSkipTaskDetail = false;
+        if (isPrimaryTask) {
+            Boolean canFillDetail = systemConfigService.getBooleanValue("task.primary_dept_can_fill_detail", true);
+            canSkipTaskDetail = !canFillDetail;
+            log.info("一级需求部门流水线任务，canFillDetail={}, canSkipTaskDetail={}", canFillDetail, canSkipTaskDetail);
+        }
+
+        // 验证子任务列表（一级需求部门且关闭任务明细时可以为空）
+        if ((dto.getItems() == null || dto.getItems().isEmpty()) && !canSkipTaskDetail) {
             throw new BusinessException(ResultCode.PARAM_ERROR, "流水线任务至少需要一个子任务");
         }
 
@@ -284,18 +306,20 @@ public class TaskService {
         BigDecimal totalScoreDecimal = BigDecimal.ZERO;
         double totalHours = 0;
         int totalQuantity = 0;
-        for (com.designhub.dto.PipelineTaskDTO.TaskItemDTO itemDto : dto.getItems()) {
-            var demandType = configService.getDemandTypeById(itemDto.getTaskTypeId());
-            if (demandType == null) {
-                throw new BusinessException(ResultCode.PARAM_ERROR, "任务类型ID无效: " + itemDto.getTaskTypeId());
+        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) {
+                    throw new BusinessException(ResultCode.PARAM_ERROR, "任务类型ID无效: " + itemDto.getTaskTypeId());
+                }
+
+                BigDecimal itemScore = demandType.getUnitScore().multiply(BigDecimal.valueOf(itemDto.getQuantity()));
+                double itemHours = demandType.getEstimatedHours() != null ? demandType.getEstimatedHours().multiply(BigDecimal.valueOf(itemDto.getQuantity())).doubleValue() : 0;
+
+                totalScoreDecimal = totalScoreDecimal.add(itemScore);
+                totalHours += itemHours;
+                totalQuantity += itemDto.getQuantity();
             }
-
-            BigDecimal itemScore = demandType.getUnitScore().multiply(BigDecimal.valueOf(itemDto.getQuantity()));
-            double itemHours = demandType.getEstimatedHours() != null ? demandType.getEstimatedHours().multiply(BigDecimal.valueOf(itemDto.getQuantity())).doubleValue() : 0;
-
-            totalScoreDecimal = totalScoreDecimal.add(itemScore);
-            totalHours += itemHours;
-            totalQuantity += itemDto.getQuantity();
         }
         
         // 保留2位小数
diff --git a/frontend/src/views/CreateTask.vue b/frontend/src/views/CreateTask.vue
index 92e6bd6..686a21a 100644
--- a/frontend/src/views/CreateTask.vue
+++ b/frontend/src/views/CreateTask.vue
@@ -1534,11 +1534,13 @@ const handleSubmit = async () => {
     // 验证表单
     await formRef.value.validate()
 
-    // 验证任务类型
-    const validTaskTypes = formData.taskTypes.filter(item => item.taskTypeId && item.quantity > 0)
-    if (validTaskTypes.length === 0) {
-      message.error('请至少添加一个任务类型')
-      return
+    // 验证任务类型（一级需求部门且关闭任务明细时跳过验证）
+    if (shouldShowTaskDetail.value) {
+      const validTaskTypes = formData.taskTypes.filter(item => item.taskTypeId && item.quantity > 0)
+      if (validTaskTypes.length === 0) {
+        message.error('请至少添加一个任务类型')
+        return
+      }
     }
 
     // 检查库存（如果需要）