diff --git a/inventory-web/src/views/bom/BomManage.vue b/inventory-web/src/views/bom/BomManage.vue
index 9fc1eb8..d12b524 100644
--- a/inventory-web/src/views/bom/BomManage.vue
+++ b/inventory-web/src/views/bom/BomManage.vue
@@ -145,12 +145,7 @@
               </div>
             </el-form-item>
           </el-col>
-          <el-col :span="6">
-            <el-form-item label="备注" v-if="hasFormFieldPermission('remark')">
-              <el-input v-model="form.remark" placeholder="备注信息（可选）" :disabled="isReadOnlyMode" />
-            </el-form-item>
-          </el-col>
-          <el-col :span="8">
+          <el-col :span="14">
             <el-form-item label="版本号" prop="version" v-if="hasFormFieldPermission('version')">
               <template v-if="isSaveAsMode">
                 <el-radio-group v-model="form.versionUpgradeType" :disabled="isReadOnlyMode" @change="onVersionUpgradeTypeChange">
@@ -165,6 +160,21 @@
           </el-col>
         </el-row>
 
+        <!-- ★ BOM 级备注：独立整行，放在子件列表上方。
+             原位置在编号/版本号那一行的 span=6 里，扣掉 120px 的 label 后
+             输入框实际只剩 60 余像素，稍长一点的备注根本看不清。 -->
+        <el-form-item label="备注" v-if="hasFormFieldPermission('remark')" style="margin-bottom: 5px;">
+          <el-input
+            v-model="form.remark"
+            type="textarea"
+            :rows="2"
+            maxlength="500"
+            show-word-limit
+            placeholder="BOM 级备注（可选），如适用场景、工艺要求等"
+            :disabled="isReadOnlyMode"
+          />
+        </el-form-item>
+
         <div style="font-weight: bold; margin: 15px 0 10px 0; border-left: 4px solid #409EFF; padding-left: 10px;">
           子件列表
           <span style="font-weight: normal; font-size: 12px; color: #909399; margin-left: 10px;">(已选 {{ filteredChildren.length }} 条)</span>
@@ -408,6 +418,9 @@ const getDraftHash = () => {
         bom_no: form.bom_no,
         version: form.version,
         parent_id: form.parent_id,
+        // ★ BOM 级备注也要参与比对，否则"只改了备注"会被防呆逻辑
+        //   拦成"草稿数据无变动，无需重复暂存"
+        remark: form.remark || '',
         children
     })
 }
@@ -852,6 +865,7 @@ const executeSaveDraftRequest = async (targetBomNo: string) => {
             bom_no: targetBomNo,
             version: draftVersion,
             parent_id: form.parent_id,
+            remark: form.remark || '',
             children
         })
         if (res.code === 200) {