diff --git a/frontend/src/views/Settings.vue b/frontend/src/views/Settings.vue
index bcb0dc3..870f4dd 100644
--- a/frontend/src/views/Settings.vue
+++ b/frontend/src/views/Settings.vue
@@ -126,10 +126,12 @@
                     </span>
                   </template>
                   <template v-else-if="column.key === 'unitScore'">
-                    <span>{{ record.unitScore ?? '--' }}</span>
+                    <span v-if="record.parentId">{{ record.unitScore ?? '--' }}</span>
+                    <span v-else class="text-muted">--</span>
                   </template>
                   <template v-else-if="column.key === 'estimatedHours'">
-                    <span>{{ record.estimatedHours ?? '--' }}</span>
+                    <span v-if="record.parentId">{{ record.estimatedHours ?? '--' }}</span>
+                    <span v-else class="text-muted">--</span>
                   </template>
                   <template v-else-if="column.key === 'allowedDepts'">
                     <template v-if="!record.parentId">
@@ -1187,7 +1189,9 @@
             <a-form-item label="类型名称" required>
               <a-input v-model:value="formData.demandType.name" placeholder="请输入类型名称" />
             </a-form-item>
-            <a-form-item label="单价分值" required>
+            
+            <!-- 单价分值（仅子分类显示） -->
+            <a-form-item v-if="formData.demandType.isSubType" label="单价分值" required>
               <a-input-number
                 v-model:value="formData.demandType.unitScore"
                 :min="0"
@@ -1197,7 +1201,9 @@
                 placeholder="请输入单价分值（支持小数，如0.35）"
               />
             </a-form-item>
-            <a-form-item label="预计时长(小时)">
+            
+            <!-- 预计时长（仅子分类显示） -->
+            <a-form-item v-if="formData.demandType.isSubType" label="预计时长(小时)">
               <a-input-number
                 v-model:value="formData.demandType.estimatedHours"
                 :min="0"
@@ -1206,6 +1212,7 @@
                 placeholder="请输入预计时长"
               />
             </a-form-item>
+            
             <a-form-item label="描述">
               <a-textarea v-model:value="formData.demandType.description" :rows="3" placeholder="请输入描述" />
             </a-form-item>
@@ -2626,11 +2633,18 @@ const saveDemandType = async () => {
       return
     }
     
+    // 子分类必须填写单价分值
+    if (formData.demandType.isSubType && (formData.demandType.unitScore === null || formData.demandType.unitScore === undefined)) {
+      message.error('请输入单价分值')
+      return
+    }
+    
     // 构建保存数据，确保字段名正确
     const saveData: Partial<DemandType> = {
       name: formData.demandType.name,
-      unitScore: formData.demandType.unitScore,
-      estimatedHours: formData.demandType.estimatedHours,
+      // 大分类不设置单价，子分类才设置
+      unitScore: formData.demandType.isSubType ? formData.demandType.unitScore : 0,
+      estimatedHours: formData.demandType.isSubType ? formData.demandType.estimatedHours : null,
       description: formData.demandType.description,
       sortOrder: formData.demandType.sortOrder ?? 0,
       isEnabled: formData.demandType.isEnabled ?? 1,