diff --git a/inventory-web/src/views/bom/BomManage.vue b/inventory-web/src/views/bom/BomManage.vue
index 1f70c73..38a1369 100644
--- a/inventory-web/src/views/bom/BomManage.vue
+++ b/inventory-web/src/views/bom/BomManage.vue
@@ -97,8 +97,17 @@
             </el-form-item>
           </el-col>
           <el-col :span="10">
+            <!-- 任务1：另存为模式显示版本选项，新建/编辑模式显示输入框 -->
             <el-form-item label="版本号" prop="version" v-if="hasFormFieldPermission('version')">
-              <el-input v-model="form.version" placeholder="如: V1.0" />
+              <template v-if="isSaveAsMode">
+                <el-radio-group v-model="form.versionUpgradeType" @change="onVersionUpgradeTypeChange">
+                  <el-radio-button label="minor">升级次版本 ({{ versionOptions.minor }})</el-radio-button>
+                  <el-radio-button label="major">升级主版本 ({{ versionOptions.major }})</el-radio-button>
+                </el-radio-group>
+              </template>
+              <template v-else>
+                <el-input v-model="form.version" placeholder="如: V1.0" />
+              </template>
             </el-form-item>
           </el-col>
         </el-row>
@@ -113,6 +122,7 @@
                   placeholder="请搜索原料"
                   filterable
                   style="width: 100%"
+                  @change="(val) => onChildChange(val, $index)"
               >
                 <el-option
                     v-for="item in materialOptions"
@@ -131,7 +141,8 @@
 
           <el-table-column label="用量" width="140" v-if="hasFormFieldPermission('dosage')">
             <template #default="{ row }">
-              <el-input-number v-model="row.dosage" :min="0" :precision="4" style="width: 100%" controls-position="right" />
+              <!-- 任务2：整数精度，去掉调节按钮 -->
+              <el-input-number v-model="row.dosage" :min="0" :precision="0" style="width: 100%" :controls="false" />
             </template>
           </el-table-column>
 
@@ -196,6 +207,8 @@ const loading = ref(false)
 const dialogVisible = ref(false)
 const saving = ref(false)
 const isEditMode = ref(false)
+const isSaveAsMode = ref(false)  // 任务1：标记是否为另存为模式
+let originalVersion = ''  // 保存原始版本号用于计算升级选项
 
 const bomList = ref<BomItem[]>([])
 const materialOptions = ref<MaterialBase[]>([])
@@ -242,6 +255,7 @@ const form = reactive({
   bom_suffix: '',  // 用户输入的后缀
   parent_id: null as number | null,
   version: 'V1.0',
+  versionUpgradeType: 'minor' as 'minor' | 'major',  // 任务1：另存为时的版本升级类型
   is_enabled: true,
   children: [] as ChildRow[]
 })
@@ -254,6 +268,28 @@ const fullBomNo = computed(() => {
   return form.bom_suffix
 })
 
+// 任务1：根据原版本号计算升级选项
+const versionOptions = computed(() => {
+  const ver = originalVersion || 'V1.0'
+  // 解析版本号格式 Vx.y
+  const match = ver.match(/^V(\d+)\.(\d+)$/)
+  if (match) {
+    const major = parseInt(match[1])
+    const minor = parseInt(match[2])
+    return {
+      minor: `V${major}.${minor + 1}`,
+      major: `V${major + 1}.0`
+    }
+  }
+  // 无法解析时返回默认选项
+  return { minor: 'V1.1', major: 'V2.0' }
+})
+
+// 任务1：版本升级类型变更时更新版本号
+const onVersionUpgradeTypeChange = (type: 'minor' | 'major') => {
+  form.version = versionOptions.value[type]
+}
+
 const rules = reactive<FormRules>({
   parent_id: [{ required: true, message: '请选择父件', trigger: 'change' }],
   version: [{ required: true, message: '请输入版本号', trigger: 'blur' }]
@@ -291,10 +327,18 @@ const onParentChange = (val: number) => {
   }
 }
 
+// 任务2：子件物料选中后自动设置用量为1
+const onChildChange = (val: number | null, index: number) => {
+  if (val !== null) {
+    form.children[index].dosage = 1
+  }
+}
+
 const handleCreate = () => {
   resetForm()
   dialogTitle.value = '新建 BOM'
   isEditMode.value = false
+  isSaveAsMode.value = false  // 确保新建模式
   dialogVisible.value = true
 }
 
@@ -302,16 +346,21 @@ const handleEdit = async (row: BomItem) => {
   await loadDetail(row.bom_no, row.version)
   dialogTitle.value = '编辑 BOM'
   isEditMode.value = true // 编辑时不允许修改编号前缀/后缀
+  isSaveAsMode.value = false  // 确保编辑模式
   dialogVisible.value = true
 }
 
 const handleSaveAs = async (row: BomItem) => {
   await loadDetail(row.bom_no, row.version)
   dialogTitle.value = '另存为新版/变体'
-  isEditMode.value = true // 另存为时，编号部分依然锁定（因为我们是在同一个编号下新增版本）
+  isEditMode.value = true
+  isSaveAsMode.value = true  // 任务1：进入另存为模式，显示版本选项
 
-  // 提示用户修改版本号
-  form.version = form.version + '_V2'
+  // 保存原始版本号用于计算升级选项
+  originalVersion = form.version
+  // 默认选中次版本升级
+  form.versionUpgradeType = 'minor'
+  form.version = versionOptions.value.minor
   dialogVisible.value = true
 }
 
@@ -365,8 +414,11 @@ const resetForm = () => {
   form.bom_suffix = ''
   form.parent_id = null
   form.version = 'V1.0'
+  form.versionUpgradeType = 'minor'
   form.is_enabled = true
   form.children = []
+  isSaveAsMode.value = false  // 任务1：重置另存为模式
+  originalVersion = ''
   if (formRef.value) formRef.value.resetFields()
 }