diff --git a/apps/web-antd/src/api/workflow/task/model.d.ts b/apps/web-antd/src/api/workflow/task/model.d.ts
index b79e0a22..6ae21043 100644
--- a/apps/web-antd/src/api/workflow/task/model.d.ts
+++ b/apps/web-antd/src/api/workflow/task/model.d.ts
@@ -62,6 +62,10 @@ export interface StartWorkFlowReqData {
    * 流程变量
    */
   variables: Record<string, any>;
+  /**
+   * 流程实例业务扩展业务对象
+   */
+  flowInstanceBizExtBo?: Record<string, any>;
 }
 
 export interface TaskOperationData {
diff --git a/apps/web-antd/src/views/workflow/leave/api/index.ts b/apps/web-antd/src/views/workflow/leave/api/index.ts
index 20b87efc..0be0d5d8 100644
--- a/apps/web-antd/src/views/workflow/leave/api/index.ts
+++ b/apps/web-antd/src/views/workflow/leave/api/index.ts
@@ -60,3 +60,15 @@ export function leaveUpdate(data: LeaveForm) {
 export function leaveRemove(id: ID | IDS) {
   return requestClient.deleteWithMsg<void>(`/workflow/leave/${id}`);
 }
+
+/**
+ * 提交 & 发起流程(后端发起)
+ * @param data data
+ * @returns void
+ */
+export function submitAndStartWorkflow(data: LeaveForm) {
+  return requestClient.postWithMsg<void>(
+    '/workflow/leave/submitAndFlowStart',
+    data,
+  );
+}
diff --git a/apps/web-antd/src/views/workflow/leave/data.tsx b/apps/web-antd/src/views/workflow/leave/data.tsx
index 6ebf3b59..8eabf0e7 100644
--- a/apps/web-antd/src/views/workflow/leave/data.tsx
+++ b/apps/web-antd/src/views/workflow/leave/data.tsx
@@ -121,6 +121,22 @@ export const modalSchema: () => VbenFormSchema[] = () => [
       triggerFields: [''],
     },
   },
+  {
+    label: '发起类型',
+    fieldName: 'type',
+    component: 'Select',
+    help: '这里仅仅为了测试, 实际不应该包含此字段',
+    componentProps: {
+      options: [
+        {
+          label: '前端发起(可选审批人, 选抄送人, 上传附件)',
+          value: 'frontend',
+        },
+        { label: '后端发起(自行编写构造发起参数)', value: 'backend' },
+      ],
+    },
+    defaultValue: 'frontend',
+  },
   {
     label: '请假类型',
     fieldName: 'leaveType',
diff --git a/apps/web-antd/src/views/workflow/leave/leave-form.vue b/apps/web-antd/src/views/workflow/leave/leave-form.vue
index 8a6730e6..6268d2ff 100644
--- a/apps/web-antd/src/views/workflow/leave/leave-form.vue
+++ b/apps/web-antd/src/views/workflow/leave/leave-form.vue
@@ -15,7 +15,12 @@ import { useVbenForm } from '#/adapter/form';
 import { startWorkFlow } from '#/api/workflow/task';
 
 import { applyModal } from '../components';
-import { leaveAdd, leaveInfo, leaveUpdate } from './api';
+import {
+  leaveAdd,
+  leaveInfo,
+  leaveUpdate,
+  submitAndStartWorkflow,
+} from './api';
 import { modalSchema } from './data';
 
 const route = useRoute();
@@ -58,10 +63,6 @@ const router = useRouter();
  * 提取通用逻辑
  */
 async function handleSaveOrUpdate() {
-  const { valid } = await formApi.validate();
-  if (!valid) {
-    return;
-  }
   let data = cloneDeep(await formApi.getValues()) as any;
   data = omit(data, 'flowType');
   // 处理日期
@@ -96,28 +97,44 @@ async function handleTempSave() {
 async function handleStartWorkFlow() {
   loading.value = true;
   try {
-    // 保存业务
-    const leaveResp = await handleSaveOrUpdate();
-    // 启动流程
-    const taskVariables = {
-      leaveDays: leaveResp!.leaveDays,
-      userList: ['1', '3', '4'],
-    };
-    const formValues = await formApi.getValues();
-    const flowCode = formValues?.flowType ?? 'leave1';
-    const startWorkFlowData: StartWorkFlowReqData = {
-      businessId: leaveResp!.id,
-      flowCode,
-      variables: taskVariables,
-    };
-    const { taskId } = await startWorkFlow(startWorkFlowData);
-    // 打开窗口
-    applyModalApi.setData({
-      taskId,
-      taskVariables,
-      variables: {},
-    });
-    applyModalApi.open();
+    const { valid } = await formApi.validate();
+    if (!valid) {
+      return;
+    }
+    // 获取发起类型
+    const { type } = await formApi.getValues();
+    if (type === 'backend') {
+      let data = cloneDeep(await formApi.getValues()) as any;
+      data = omit(data, 'flowType', 'type');
+      // 处理日期
+      data.startDate = dayjs(data.dateRange[0]).format('YYYY-MM-DD HH:mm:ss');
+      data.endDate = dayjs(data.dateRange[1]).format('YYYY-MM-DD HH:mm:ss');
+      await submitAndStartWorkflow(data);
+      await handleCompleteOrCancel();
+    } else {
+      // 保存业务
+      const leaveResp = await handleSaveOrUpdate();
+      // 启动流程
+      const taskVariables = {
+        leaveDays: leaveResp!.leaveDays,
+        userList: ['1', '3', '4'],
+      };
+      const formValues = await formApi.getValues();
+      const flowCode = formValues?.flowType ?? 'leave1';
+      const startWorkFlowData: StartWorkFlowReqData = {
+        businessId: leaveResp!.id,
+        flowCode,
+        variables: taskVariables,
+      };
+      const { taskId } = await startWorkFlow(startWorkFlowData);
+      // 打开窗口
+      applyModalApi.setData({
+        taskId,
+        taskVariables,
+        variables: {},
+      });
+      applyModalApi.open();
+    }
   } catch (error) {
     console.error(error);
   } finally {