diff --git a/inventory-web/src/App.vue b/inventory-web/src/App.vue
index c0161e7..a267307 100644
--- a/inventory-web/src/App.vue
+++ b/inventory-web/src/App.vue
@@ -89,7 +89,7 @@ const handleLogout = () => {
     <footer v-if="!isLoginPage" class="app-footer">
       <span class="version-tag">
         <el-icon style="vertical-align: middle; margin-right: 4px"><InfoFilled /></el-icon>
-        当前版本: 2.1录入测试版
+        当前版本: 2.2录入测试版
       </span>
     </footer>
   </div>
diff --git a/inventory-web/src/views/stock/inbound/semi.vue b/inventory-web/src/views/stock/inbound/semi.vue
index e5b66fe..a8e3e68 100644
--- a/inventory-web/src/views/stock/inbound/semi.vue
+++ b/inventory-web/src/views/stock/inbound/semi.vue
@@ -465,7 +465,7 @@
                 </el-col>
               </el-row>
 
-              <div class="divider-text">成本核算 (单件)</div>
+              <div class="divider-text">成本核算</div>
               <el-row :gutter="24">
                 <el-col :span="8">
                   <el-form-item label="原材料成本">
@@ -473,13 +473,13 @@
                   </el-form-item>
                 </el-col>
                 <el-col :span="8">
-                  <el-form-item label="手动/工时">
+                  <el-form-item label="单件总成本">
                     <el-input-number v-model="form.manual_cost" :precision="2" :controls="false" style="width:100%" placeholder="请输入"/>
                   </el-form-item>
                 </el-col>
                 <el-col :span="8">
-                  <el-form-item label="单件总成本">
-                    <el-input-number v-model="form.unit_total_cost" :precision="2" :controls="false" style="width:100%" placeholder="请输入"/>
+                  <el-form-item label="总成本">
+                    <el-input-number v-model="form.unit_total_cost" :precision="2" :controls="false" style="width:100%" placeholder="自动计算" disabled/>
                   </el-form-item>
                 </el-col>
               </el-row>
@@ -527,7 +527,7 @@
 </template>
 
 <script setup lang="ts">
-import {ref, reactive, onMounted} from 'vue'
+import {ref, reactive, onMounted, watch} from 'vue'
 import {Plus, Setting, Refresh, Search, Lock, Box, House, InfoFilled, Link, Printer, Camera, Picture} from '@element-plus/icons-vue'
 import {ElMessage, ElLoading} from 'element-plus'
 import dayjs from 'dayjs'
@@ -642,8 +642,8 @@ const stockColumns = [
   {prop: 'bom_version', label: 'BOM版本', minWidth: '90'},
   {prop: 'work_order_code', label: '工单号', minWidth: '120'},
   {prop: 'raw_material_cost', label: '原料成本', minWidth: '100'},
-  {prop: 'manual_cost', label: '人工成本', minWidth: '100'},
-  {prop: 'unit_total_cost', label: '单件总本', minWidth: '100'},
+  {prop: 'manual_cost', label: '单件成本', minWidth: '100'}, // 原人工成本，现为单件成本
+  {prop: 'unit_total_cost', label: '总成本', minWidth: '100'}, // 原单件总本，现为总成本
   {prop: 'production_manager', label: '生产负责人', minWidth: '100'},
   {prop: 'production_start_time', label: '生产开始', minWidth: '160'},
   {prop: 'production_end_time', label: '生产结束', minWidth: '160'},
@@ -731,6 +731,15 @@ const form = reactive({
   production_manager: '', production_time_range: [] as string[], arrival_photo: [] as string[], quality_report_link: [] as string[], detail_link: ''
 })
 
+// === 新增：监听计算总成本 ===
+watch([() => form.in_quantity, () => form.manual_cost], ([qty, manual_cost]) => {
+  if (manual_cost !== undefined && manual_cost !== null) {
+    form.unit_total_cost = Number((qty * manual_cost).toFixed(2))
+  } else {
+    form.unit_total_cost = undefined
+  }
+})
+
 // ------------------------------------
 // BOM Search Logic
 // ------------------------------------