diff --git a/apps/web-antd/src/components/dept-select-modal/dept-select-modal.vue b/apps/web-antd/src/components/dept-select-modal/dept-select-modal.vue
new file mode 100644
index 00000000..69968ce3
--- /dev/null
+++ b/apps/web-antd/src/components/dept-select-modal/dept-select-modal.vue
@@ -0,0 +1,160 @@
+<script lang="ts" setup>
+import type { DataNode } from 'ant-design-vue/es/tree';
+
+import type { SystemDeptApi } from '#/api/system/dept';
+
+import { defineProps, ref } from 'vue';
+
+import { useVbenModal } from '@vben/common-ui';
+import { handleTree } from '@vben/utils';
+
+import { Button, Card, Col, Row, Tree } from 'ant-design-vue';
+
+import { getSimpleDeptList } from '#/api/system/dept';
+
+defineOptions({ name: 'DeptSelectModal' });
+
+const props = withDefaults(
+  defineProps<{
+    // 取消按钮文本
+    cancelText?: string;
+    // checkable 状态下节点选择完全受控
+    checkStrictly?: boolean;
+    // 确认按钮文本
+    confirmText?: string;
+    // 是否支持多选
+    multiple?: boolean;
+    // 标题
+    title?: string;
+  }>(),
+  {
+    cancelText: '取消',
+    checkStrictly: false,
+    confirmText: '确认',
+    multiple: true,
+    title: '部门选择',
+  },
+);
+
+const emit = defineEmits<{
+  confirm: [deptList: SystemDeptApi.Dept[]];
+}>();
+
+// 对话框配置
+const [Modal, modalApi] = useVbenModal({
+  title: props.title,
+  async onOpenChange(isOpen: boolean) {
+    if (!isOpen) {
+      resetData();
+      return;
+    }
+    modalApi.setState({ loading: true });
+    try {
+      deptData.value = await getSimpleDeptList();
+      deptTree.value = handleTree(deptData.value) as DataNode[];
+    } finally {
+      modalApi.setState({ loading: false });
+    }
+  },
+  destroyOnClose: true,
+});
+type checkedKeys = number[] | { checked: number[]; halfChecked: number[] };
+// 部门树形结构
+const deptTree = ref<DataNode[]>([]);
+// 选中的部门 ID 列表
+const selectedDeptIds = ref<checkedKeys>([]);
+// 部门数据
+const deptData = ref<SystemDeptApi.Dept[]>([]);
+
+/** 打开对话框 */
+const open = async (selectedList?: SystemDeptApi.Dept[]) => {
+  modalApi.open();
+  // // 设置已选择的部门
+  if (selectedList?.length) {
+    const selectedIds = selectedList
+      .map((dept) => dept.id)
+      .filter((id): id is number => id !== undefined);
+    selectedDeptIds.value = props.checkStrictly
+      ? {
+          checked: selectedIds,
+          halfChecked: [],
+        }
+      : selectedIds;
+  }
+};
+
+/** 处理选中状态变化 */
+const handleCheck = () => {
+  if (!props.multiple) {
+    // 单选模式下，只保留最后选择的节点
+    if (Array.isArray(selectedDeptIds.value)) {
+      const lastSelectedId =
+        selectedDeptIds.value[selectedDeptIds.value.length - 1];
+      if (lastSelectedId) {
+        selectedDeptIds.value = [lastSelectedId];
+      }
+    } else {
+      // checkStrictly 为 true 时，selectedDeptIds 是一个对象
+      const checked = selectedDeptIds.value.checked || [];
+      if (checked.length > 0) {
+        const lastSelectedId = checked[checked.length - 1];
+        selectedDeptIds.value = {
+          checked: [lastSelectedId!],
+          halfChecked: [],
+        };
+      }
+    }
+  }
+};
+
+/** 提交选择 */
+const handleConfirm = async () => {
+  // 获取选中的部门ID
+  const selectedIds: number[] = Array.isArray(selectedDeptIds.value)
+    ? selectedDeptIds.value
+    : selectedDeptIds.value.checked || [];
+  const deptArray = deptData.value.filter((dept) =>
+    selectedIds.includes(dept.id!),
+  );
+  // 关闭并提示
+  await modalApi.close();
+  emit('confirm', deptArray);
+};
+
+const handleCancel = () => {
+  modalApi.close();
+};
+
+/** 重置数据 */
+const resetData = () => {
+  deptTree.value = [];
+  selectedDeptIds.value = [];
+};
+
+/** 提供 open 方法，用于打开对话框 */
+defineExpose({ open });
+</script>
+<template>
+  <Modal>
+    <Row class="h-full">
+      <Col :span="24">
+        <Card class="h-full">
+          <Tree
+            :tree-data="deptTree"
+            v-if="deptTree.length > 0"
+            v-model:checked-keys="selectedDeptIds"
+            :checkable="true"
+            :check-strictly="checkStrictly"
+            :field-names="{ title: 'name', key: 'id' }"
+            :default-expand-all="true"
+            @check="handleCheck"
+          />
+        </Card>
+      </Col>
+    </Row>
+    <template #footer>
+      <Button @click="handleCancel">{{ cancelText }}</Button>
+      <Button type="primary" @click="handleConfirm">{{ confirmText }}</Button>
+    </template>
+  </Modal>
+</template>
diff --git a/apps/web-antd/src/components/dept-select-modal/index.ts b/apps/web-antd/src/components/dept-select-modal/index.ts
new file mode 100644
index 00000000..d373be44
--- /dev/null
+++ b/apps/web-antd/src/components/dept-select-modal/index.ts
@@ -0,0 +1 @@
+export { default as DeptSelectModal } from './dept-select-modal.vue';
diff --git a/apps/web-antd/src/views/bpm/model/form/index.vue b/apps/web-antd/src/views/bpm/model/form/index.vue
index aab32573..7764d634 100644
--- a/apps/web-antd/src/views/bpm/model/form/index.vue
+++ b/apps/web-antd/src/views/bpm/model/form/index.vue
@@ -12,7 +12,7 @@ import { useTabs } from '@vben/hooks';
 import { ArrowLeft } from '@vben/icons';
 import { useUserStore } from '@vben/stores';
 
-import { Button, message } from 'ant-design-vue';
+import { Button, Card, message } from 'ant-design-vue';
 
 import { getCategorySimpleList } from '#/api/bpm/category';
 import { getProcessDefinition } from '#/api/bpm/definition';
@@ -467,27 +467,28 @@ onBeforeUnmount(() => {
           </Button>
         </div>
       </div>
-
       <!-- 主体内容 -->
-      <div class="mt-[50px]">
-        <!-- 第一步：基本信息 -->
-        <div v-if="currentStep === 0" class="mx-auto w-[560px]">
-          <BasicInfo
-            v-model="formData"
-            :category-list="categoryList"
-            :user-list="userList"
-            :dept-list="deptList"
-            ref="basicInfoRef"
-          />
+      <Card :body-style="{ padding: '10px' }" class="mb-4">
+        <div class="mt-[50px]">
+          <!-- 第一步：基本信息 -->
+          <div v-if="currentStep === 0" class="mx-auto w-[560px]">
+            <BasicInfo
+              v-model="formData"
+              :category-list="categoryList"
+              :user-list="userList"
+              :dept-list="deptList"
+              ref="basicInfoRef"
+            />
+          </div>
+
+          <!-- 第二步：表单设计 TODO -->
+
+          <!-- 第三步：流程设计 TODO -->
+
+          <!-- 第四步：更多设置 TODO -->
+          <div v-show="currentStep === 3" class="mx-auto w-[700px]"></div>
         </div>
-
-        <!-- 第二步：表单设计 TODO -->
-
-        <!-- 第三步：流程设计 TODO -->
-
-        <!-- 第四步：更多设置 TODO -->
-        <div v-show="currentStep === 3" class="mx-auto w-[700px]"></div>
-      </div>
+      </Card>
     </div>
   </Page>
 </template>
diff --git a/apps/web-antd/src/views/bpm/model/form/modules/basic-info.vue b/apps/web-antd/src/views/bpm/model/form/modules/basic-info.vue
index c5170df2..07a47a96 100644
--- a/apps/web-antd/src/views/bpm/model/form/modules/basic-info.vue
+++ b/apps/web-antd/src/views/bpm/model/form/modules/basic-info.vue
@@ -2,6 +2,8 @@
 import type { Rule } from 'ant-design-vue/es/form';
 import type { SelectValue } from 'ant-design-vue/es/select';
 
+import type { PropType } from 'vue';
+
 import type { BpmCategoryApi } from '#/api/bpm/category';
 import type { SystemDeptApi } from '#/api/system/dept';
 import type { SystemUserApi } from '#/api/system/user';
@@ -20,18 +22,25 @@ import {
   Tooltip,
 } from 'ant-design-vue';
 
+import { DeptSelectModal } from '#/components/dept-select-modal';
 import { ImageUpload } from '#/components/upload';
 import { UserSelectModal } from '#/components/user-select-modal';
 import { DICT_TYPE, getBoolDictOptions, getIntDictOptions } from '#/utils';
 
-const props = withDefaults(
-  defineProps<{
-    categoryList: BpmCategoryApi.CategoryVO[];
-    deptList: SystemDeptApi.Dept[];
-    userList: SystemUserApi.User[];
-  }>(),
-  {},
-);
+const props = defineProps({
+  categoryList: {
+    type: Array as PropType<BpmCategoryApi.CategoryVO[]>,
+    required: true,
+  },
+  userList: {
+    type: Array as PropType<SystemUserApi.User[]>,
+    required: true,
+  },
+  deptList: {
+    type: Array as PropType<SystemDeptApi.Dept[]>,
+    required: true,
+  },
+});
 
 // 表单引用
 const formRef = ref();
@@ -45,6 +54,7 @@ const selectedStartDepts = ref<SystemDeptApi.Dept[]>([]);
 // 选中的流程管理员
 const selectedManagerUsers = ref<SystemUserApi.User[]>([]);
 const userSelectFormRef = ref();
+const deptSelectFormRef = ref();
 const currentSelectType = ref<'manager' | 'start'>('start');
 // 选中的用户
 const selectedUsers = ref<number[]>();
@@ -99,8 +109,14 @@ const openStartUserSelect = () => {
 
 /** 打开部门选择 */
 const openStartDeptSelect = () => {
-  // TODO 部门选择组件暂时还没有
-  console.warn('部门选择功能暂未实现');
+  deptSelectFormRef.value.open(selectedStartDepts.value);
+};
+/** 处理部门选择确认 */
+const handleDeptSelectConfirm = (depts: SystemDeptApi.Dept[]) => {
+  modelData.value = {
+    ...modelData.value,
+    startDeptIds: depts.map((d) => d.id),
+  };
 };
 
 /** 打开管理员选择 */
@@ -343,7 +359,7 @@ defineExpose({
           :key="dept.id"
           class="relative flex h-9 items-center rounded-full bg-gray-100 pr-2"
         >
-          <IconifyIcon icon="mdi:building-outline" class="size-5" />
+          <IconifyIcon icon="ep:office-building" class="size-6 px-1" />
           {{ dept.name }}
           <X
             class="ml-2 size-4 cursor-pointer text-gray-400 hover:text-red-500"
@@ -408,6 +424,13 @@ defineExpose({
     @closed="handleUserSelectClosed"
     @cancel="handleUserSelectCancel"
   />
+  <!-- 部门选择对话框 -->
+  <DeptSelectModal
+    ref="deptSelectFormRef"
+    title="发起人部门选择"
+    :check-strictly="true"
+    @confirm="handleDeptSelectConfirm"
+  />
 </template>
 
 <style lang="scss" scoped>