diff --git a/docs/superpowers/plans/2026-08-14-lms-daily-plan.md b/docs/superpowers/plans/2026-08-14-lms-daily-plan.md
index d7c4f42a..0cfe74a5 100644
--- a/docs/superpowers/plans/2026-08-14-lms-daily-plan.md
+++ b/docs/superpowers/plans/2026-08-14-lms-daily-plan.md
@@ -426,7 +426,7 @@ git commit -m "feat: 增加LMS日计划管理接口"
 
 - [ ] **步骤 4：实现开始订单和详情**
 
-开始订单弹窗展示当前数量并允许填写追加数量。详情抽屉展示三类状态时间和按时间倒序的操作记录。
+开始订单弹窗展示原计划量、确认计划量、已有追加、本次追加和开始后总量；确认计划量为必填正整数，ERP 与人工来源都可在开始时确认。服务端在同一事务内原子更新计划量、累计追加量和订单状态，并分别记录数量调整、追加和开始日志。管理页为未开始订单提供填写原因的取消入口。详情抽屉展示三类状态时间和按时间倒序的操作记录。
 
 - [ ] **步骤 5：运行局部 ESLint**
 
diff --git a/docs/superpowers/specs/2026-08-14-lms-daily-plan-design.md b/docs/superpowers/specs/2026-08-14-lms-daily-plan-design.md
index 9ca74eb3..7cec148c 100644
--- a/docs/superpowers/specs/2026-08-14-lms-daily-plan-design.md
+++ b/docs/superpowers/specs/2026-08-14-lms-daily-plan-design.md
@@ -31,6 +31,7 @@
 - 人工新增日计划。
 - 编辑未开始的人工日计划。
 - 对未开始订单执行“开始订单”。
+- 对未开始订单执行“取消订单”，填写原因后可从作业页恢复。
 - 已结束订单只在本页面查询，不进入作业页面。
 
 查询条件在桌面端一行多项展示，包括日计划编号或 ERP 订单号、计划日期范围、管芯编码或名称、来源和订单状态。
@@ -136,7 +137,7 @@ ERP 推送不允许直接修改顺序、权重、当前完成数量或作业状
 
 人工创建字段包括计划日期、人工订单号、管芯物料、计划数量、装箱信息、顺序和权重。人工订单号允许手填；未填写时使用 LMS 日计划编号作为订单号。
 
-只有未开始的人工来源日计划允许编辑基本信息。ERP 来源计划通过 ERP 幂等推送维护，管理页面只读。开始订单时允许再次确认计划数量，并可填写追加数量；开始成功后进入日计划作业页面。
+只有未开始的人工来源日计划允许编辑基本信息。ERP 来源计划通过 ERP 幂等推送维护，管理页面只读。开始订单时 ERP 和人工来源均允许再次确认计划数量，并可填写追加数量；计划数量、累计追加数量和开始状态在同一事务中原子更新，开始成功后进入日计划作业页面。
 
 追加数量仅允许订单进行中时执行，必须大于零，按累计值保存并记录每次追加明细。
 
diff --git a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/controller/admin/dailyplan/vo/DailyPlanStartReqVO.java b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/controller/admin/dailyplan/vo/DailyPlanStartReqVO.java
index 40f9eeda..5541e1f0 100644
--- a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/controller/admin/dailyplan/vo/DailyPlanStartReqVO.java
+++ b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/controller/admin/dailyplan/vo/DailyPlanStartReqVO.java
@@ -9,6 +9,10 @@ import lombok.EqualsAndHashCode;
 @Data
 @EqualsAndHashCode(callSuper = true)
 public class DailyPlanStartReqVO extends DailyPlanVersionReqVO {
+    @NotNull(message = "确认计划数量不能为空")
+    @Min(value = 1, message = "确认计划数量必须为正整数")
+    private Integer planQty;
+
     @NotNull(message = "追加数量不能为空")
     @Min(value = 0, message = "追加数量不能小于0")
     private Integer appendQty;
diff --git a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/dal/mysql/dailyplan/DailyPlanMapper.java b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/dal/mysql/dailyplan/DailyPlanMapper.java
index 3091da39..4fe6dfe1 100644
--- a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/dal/mysql/dailyplan/DailyPlanMapper.java
+++ b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/dal/mysql/dailyplan/DailyPlanMapper.java
@@ -94,6 +94,9 @@ public interface DailyPlanMapper extends BaseMapperX<DailyPlanDO> {
      */
     int updateStateWithVersion(@Param("plan") DailyPlanDO plan);
 
+    /** 原子确认数量并开始未开始订单。 */
+    int startOrderWithVersion(@Param("plan") DailyPlanDO plan);
+
     /**
      * 乐观锁恢复已取消的订单状态，并清空前一订单状态。
      */
diff --git a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/service/dailyplan/DailyPlanServiceImpl.java b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/service/dailyplan/DailyPlanServiceImpl.java
index 788cd21d..1e4ab7a8 100644
--- a/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/service/dailyplan/DailyPlanServiceImpl.java
+++ b/nl-module-lms/nl-module-lms-server/src/main/java/cn/code/nl/module/lms/service/dailyplan/DailyPlanServiceImpl.java
@@ -359,19 +359,32 @@ public class DailyPlanServiceImpl implements DailyPlanService {
         checkAffected(dailyPlanMapper.updateNotStartedPlan(update));
     }
 
-    /** 开始订单并写入追加数量。 */
+    /** 开始订单，同时确认计划数量并写入本次追加数量。 */
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void startOrder(DailyPlanStartReqVO reqVO) {
         DailyPlanDO current = validateVersion(reqVO.getId(), reqVO.getVersion());
         validateOrderStatus(current, DailyPlanOrderStatusEnum.NOT_STARTED, "开始订单");
         DailyPlanDO update = newUpdate(current);
+        int confirmedPlanQty = reqVO.getPlanQty();
+        int appendQty = safeAddQuantity(current.getAppendQty(), reqVO.getAppendQty());
+        safeAddQuantity(confirmedPlanQty, appendQty); // 校验开始后的需求总量不会溢出。
+        update.setPlanQty(confirmedPlanQty);
         update.setOrderStatus(DailyPlanOrderStatusEnum.IN_PROGRESS.getCode());
         update.setOrderStartTime(LocalDateTime.now());
-        update.setAppendQty(safeAddQuantity(current.getAppendQty(), reqVO.getAppendQty()));
-        checkAffected(dailyPlanMapper.updateStateWithVersion(update));
+        update.setAppendQty(appendQty);
+        checkAffected(dailyPlanMapper.startOrderWithVersion(update));
+        if (!current.getPlanQty().equals(confirmedPlanQty)) {
+            insertLog(current.getDailyPlanId(), TARGET_QUANTITY, TYPE_UPDATE,
+                    String.valueOf(current.getPlanQty()), String.valueOf(confirmedPlanQty),
+                    confirmedPlanQty - current.getPlanQty(), null);
+        }
+        if (reqVO.getAppendQty() > 0) {
+            insertLog(current.getDailyPlanId(), TARGET_QUANTITY, TYPE_APPEND,
+                    String.valueOf(current.getAppendQty()), String.valueOf(appendQty), reqVO.getAppendQty(), null);
+        }
         insertLog(current.getDailyPlanId(), TARGET_ORDER, TYPE_START, String.valueOf(current.getOrderStatus()),
-                String.valueOf(update.getOrderStatus()), reqVO.getAppendQty(), null);
+                String.valueOf(update.getOrderStatus()), null, null);
     }
 
     /** 追加进行中订单的数量。 */
diff --git a/nl-module-lms/nl-module-lms-server/src/main/resources/mapper/dailyplan/DailyPlanMapper.xml b/nl-module-lms/nl-module-lms-server/src/main/resources/mapper/dailyplan/DailyPlanMapper.xml
index ae69906e..a2c7987f 100644
--- a/nl-module-lms/nl-module-lms-server/src/main/resources/mapper/dailyplan/DailyPlanMapper.xml
+++ b/nl-module-lms/nl-module-lms-server/src/main/resources/mapper/dailyplan/DailyPlanMapper.xml
@@ -246,6 +246,20 @@
           AND deleted = b'0'
     </update>
 
+    <update id="startOrderWithVersion">
+        UPDATE lms_daily_plan
+        SET plan_qty = #{plan.planQty},
+            append_qty = #{plan.appendQty},
+            order_status = 1,
+            order_start_time = #{plan.orderStartTime},
+            updater = #{plan.updater},
+            version = version + 1
+        WHERE daily_plan_id = #{plan.dailyPlanId}
+          AND version = #{plan.version}
+          AND order_status = 0
+          AND deleted = b'0'
+    </update>
+
     <update id="updateSortWithVersion">
         UPDATE lms_daily_plan
         SET sort_seq = #{sortSeq}, updater = #{updater}, version = version + 1
diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/lms/dailyplan/index.ts b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/lms/dailyplan/index.ts
index faece6a9..7cb193ae 100644
--- a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/lms/dailyplan/index.ts
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/api/lms/dailyplan/index.ts
@@ -84,6 +84,7 @@ export namespace LmsDailyPlanApi {
 
   export interface StartReq extends VersionReq {
     appendQty: number;
+    planQty: number;
   }
 
   export interface AppendReq extends VersionReq {
diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/index.vue b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/index.vue
index 5f63735d..0e1307f7 100644
--- a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/index.vue
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/index.vue
@@ -7,6 +7,7 @@ import { Page, useVbenDrawer, useVbenModal } from '@vben/common-ui';
 import { ACTION_ICON, TableAction, useVbenVxeGrid } from '#/adapter/vxe-table';
 import { getDailyPlanManagementPage } from '#/api/lms/dailyplan';
 
+import Operation from '../work/modules/operation.vue';
 import { useGridColumns, useGridFormSchema } from './data';
 import Detail from './modules/detail.vue';
 import Form from './modules/form.vue';
@@ -27,6 +28,10 @@ const [StartOrderModal, startOrderModalApi] = useVbenModal({
   connectedComponent: StartOrder,
   destroyOnClose: true,
 });
+const [OperationModal, operationModalApi] = useVbenModal({
+  connectedComponent: Operation,
+  destroyOnClose: true,
+});
 
 function handleRefresh() {
   gridApi.query();
@@ -48,6 +53,10 @@ function handleStart(row: LmsDailyPlanApi.DailyPlan) {
   startOrderModalApi.setData(row).open();
 }
 
+function handleCancel(row: LmsDailyPlanApi.DailyPlan) {
+  operationModalApi.setData({ row, type: 'cancelOrder' }).open();
+}
+
 const [Grid, gridApi] = useVbenVxeGrid({
   formOptions: {
     schema: useGridFormSchema(),
@@ -82,6 +91,7 @@ const [Grid, gridApi] = useVbenVxeGrid({
     <FormDrawer @success="handleRefresh" />
     <DetailDrawer />
     <StartOrderModal @success="handleRefresh" />
+    <OperationModal @success="handleRefresh" />
     <Grid table-title="日计划管理">
       <template #toolbar-tools>
         <TableAction
@@ -126,6 +136,14 @@ const [Grid, gridApi] = useVbenVxeGrid({
               ifShow: row.orderStatus === ORDER_NOT_STARTED,
               onClick: handleStart.bind(null, row),
             },
+            {
+              label: '取消订单',
+              type: 'link',
+              danger: true,
+              auth: ['lms:daily-plan:operate'],
+              ifShow: row.orderStatus === ORDER_NOT_STARTED,
+              onClick: handleCancel.bind(null, row),
+            },
           ]"
         />
       </template>
diff --git a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/modules/start-order.vue b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/modules/start-order.vue
index 55004064..9b57f997 100644
--- a/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/modules/start-order.vue
+++ b/nl-ui/nl-ui-admin-vben/yudao-ui-admin-vben/apps/web-antdv-next/src/views/lms/daily-plan/management/modules/start-order.vue
@@ -11,12 +11,17 @@ import { startDailyPlanOrder } from '#/api/lms/dailyplan';
 
 const emit = defineEmits(['success']);
 const row = ref<LmsDailyPlanApi.DailyPlan>();
+const planQty = ref(1);
 const appendQty = ref(0);
-const totalAfterStart = computed(() => (row.value?.totalQty ?? 0) + appendQty.value);
+const totalAfterStart = computed(() => planQty.value + (row.value?.appendQty ?? 0) + appendQty.value);
 
 const [Modal, modalApi] = useVbenModal({
   async onConfirm() {
     if (!row.value) return;
+    if (!Number.isInteger(planQty.value) || planQty.value <= 0) {
+      message.warning('确认计划数量必须为正整数');
+      return;
+    }
     if (!Number.isInteger(appendQty.value) || appendQty.value < 0) {
       message.warning('追加数量必须为不小于 0 的整数');
       return;
@@ -26,6 +31,7 @@ const [Modal, modalApi] = useVbenModal({
       await startDailyPlanOrder({
         id: row.value.dailyPlanId,
         version: row.value.version,
+        planQty: planQty.value,
         appendQty: appendQty.value,
       });
       await modalApi.close();
@@ -38,10 +44,12 @@ const [Modal, modalApi] = useVbenModal({
   onOpenChange(isOpen: boolean) {
     if (!isOpen) {
       row.value = undefined;
+      planQty.value = 1;
       appendQty.value = 0;
       return;
     }
     row.value = modalApi.getData<LmsDailyPlanApi.DailyPlan>();
+    planQty.value = row.value.planQty;
     appendQty.value = 0;
   },
 });
@@ -52,7 +60,10 @@ const [Modal, modalApi] = useVbenModal({
     <Descriptions v-if="row" bordered :column="1" size="small">
       <DescriptionsItem label="日计划编号">{{ row.planCode }}</DescriptionsItem>
       <DescriptionsItem label="管芯">{{ row.materialCode }} / {{ row.materialName }}</DescriptionsItem>
-      <DescriptionsItem label="当前计划数量">{{ row.planQty }}</DescriptionsItem>
+      <DescriptionsItem label="原计划数量">{{ row.planQty }}</DescriptionsItem>
+      <DescriptionsItem label="确认计划数量">
+        <InputNumber v-model:value="planQty" :min="1" :precision="0" class="w-full" />
+      </DescriptionsItem>
       <DescriptionsItem label="已有追加数量">{{ row.appendQty }}</DescriptionsItem>
       <DescriptionsItem label="本次追加数量">
         <InputNumber v-model:value="appendQty" :min="0" :precision="0" class="w-full" />
diff --git a/sql/mysql/lms_daily_plan_menu.sql b/sql/mysql/lms_daily_plan_menu.sql
index 32ae6424..1ee9b71c 100644
--- a/sql/mysql/lms_daily_plan_menu.sql
+++ b/sql/mysql/lms_daily_plan_menu.sql
@@ -56,6 +56,7 @@ CROSS JOIN (
     UNION ALL SELECT 4, '日计划启动', 'lms:daily-plan:start'
     UNION ALL SELECT 5, '日计划排程', 'lms:daily-plan:schedule'
     UNION ALL SELECT 6, '日计划策略', 'lms:daily-plan:strategy'
+    UNION ALL SELECT 7, '日计划操作', 'lms:daily-plan:operate'
 ) permission
 WHERE menu.id = COALESCE(
         (SELECT fixed.id FROM system_menu fixed WHERE fixed.id=2093000000000000100 AND fixed.deleted=b'0'),
@@ -63,7 +64,10 @@ WHERE menu.id = COALESCE(
          WHERE fallback.component='lms/daily-plan/management/index' AND fallback.deleted=b'0')
       )
   AND menu.deleted=b'0'
-  AND NOT EXISTS (SELECT 1 FROM system_menu existing WHERE existing.permission=permission.code AND existing.deleted=b'0');
+  AND NOT EXISTS (
+      SELECT 1 FROM system_menu existing
+      WHERE existing.parent_id=menu.id AND existing.permission=permission.code AND existing.deleted=b'0'
+  );
 
 -- 作业页面独立挂载自身实际使用的按钮权限，避免仅授权作业菜单时按钮全部不可见。
 INSERT INTO system_menu