diff --git a/src/service/api/system-manage.ts b/src/service/api/system-manage.ts
index ca7c135..f2b4fec 100644
--- a/src/service/api/system-manage.ts
+++ b/src/service/api/system-manage.ts
@@ -667,7 +667,7 @@ export function fetchAssignUserRoles(data: Api.SystemManage.AssignUserRoleParams
  * - 中间节点：有上级也有下级
  * - 叶子节点：基层员工，没有下级
  */
-export function fetchGetUserManagementRelationTree(query: UserManagementRelationQueryReqVO) {
+export async function fetchGetUserManagementRelationTree(query: UserManagementRelationQueryReqVO) {
   return request<UserManagementRelationTreeResponse[]>({
     ...safeJsonRequestConfig,
     url: `${USER_MANAGEMENT_RELATION_PREFIX}/tree`,
@@ -684,7 +684,7 @@ export function fetchGetUserManagementRelationTree(query: UserManagementRelation
  * 通过搜索框的查询条件，获取用户管理链路树形结构
  * 用于树形控件展示，包含用户的上下级层级关系
  */
-export function fetchGetUserManagementRelationQuery(query: UserManagementRelationQueryReqVO) {
+export async function fetchGetUserManagementRelationQuery(query: UserManagementRelationQueryReqVO) {
   return request<UserManagementRelationTreeResponse[]>({
     ...safeJsonRequestConfig,
     url: `${USER_MANAGEMENT_RELATION_PREFIX}/query`,
@@ -704,7 +704,7 @@ export function fetchGetUserManagementRelationQuery(query: UserManagementRelatio
  *
  * @param id 关系记录主键 ID
  */
-export function fetchGetUserManagementRelation(id: string) {
+export async function fetchGetUserManagementRelation(id: string) {
   return request<UserManagementRelationResponse>({
     ...safeJsonRequestConfig,
     url: `${USER_MANAGEMENT_RELATION_PREFIX}/get`,
@@ -722,7 +722,7 @@ export function fetchGetUserManagementRelation(id: string) {
  *
  * @param data 创建请求参数
  */
-export function fetchCreateUserManagementRelation(data: Api.SystemManage.UserManagementRelationSaveReqVO) {
+export async function fetchCreateUserManagementRelation(data: Api.SystemManage.UserManagementRelationSaveReqVO) {
   return request<string | number>({
     ...safeJsonRequestConfig,
     url: `${USER_MANAGEMENT_RELATION_PREFIX}/create`,
@@ -776,3 +776,22 @@ export function fetchBatchDeleteUserManagementRelation(ids: string[]) {
     method: 'delete'
   });
 }
+
+/**
+ * 获取未绑定直属上级的候选下级用户列表
+ *
+ * 用于获取尚未绑定直属上级的用户列表，供选择使用
+ *
+ * @returns 候选下级用户列表
+ */
+export async function fetchGetCandidateSubordinateUsers() {
+  return request<UserSimpleResponse[]>({
+    ...safeJsonRequestConfig,
+    url: `${USER_MANAGEMENT_RELATION_PREFIX}/candidate-users`,
+    method: 'get'
+  }).then(result =>
+    mapServiceResult(result as ServiceRequestResult<UserSimpleResponse[]>, data => data.map(normalizeUserSimple))
+  );
+}
+
+
diff --git a/src/typings/api/product.d.ts b/src/typings/api/product.d.ts
index 2f64edd..672032d 100644
--- a/src/typings/api/product.d.ts
+++ b/src/typings/api/product.d.ts
@@ -250,17 +250,17 @@ declare namespace Api {
       moduleId: string;
       /** 是否需要评审（0不需要；1需要） */
       reviewRequired: RequirementReviewRequired;
-      /** 需求标题 */
+      /** 需求名称 */
       title: string;
-      /** 需求描述（富文本） */
+      /** 需求内容（富文本） */
       description?: string | null;
-      /** 需求分类字典值 */
+      /** 需求类型字典值 */
       category: string;
-      /** 需求分类名称 */
+      /** 需求类型名称 */
       categoryName?: string | null;
-      /** 来源类型 */
+      /** 需求来源类型 */
       sourceType: RequirementSourceType;
-      /** 来源业务ID */
+      /** 需求来源业务ID */
       sourceBizId?: string | null;
       /** 优先级（0低 1中 2高 3紧急） */
       priority: RequirementPriority;
@@ -282,10 +282,8 @@ declare namespace Api {
       currentHandlerUserNickname?: string | null;
       /** 默认实现项目编号 */
       implementProjectId?: string | null;
-      /** 实现项目名称 */
-      implementProjectName?: string | null;
-      /** 预期完成时间 */
-      completionDate: string;
+      /** 所需工时（小时） */
+      workHours: number;
       /** 排序值 */
       sort: number;
       /** 创建时间 */
@@ -378,9 +376,11 @@ declare namespace Api {
       | 'category'
       | 'priority'
       | 'proposerId'
+      | 'proposerNickname'
       | 'currentHandlerUserId'
+      | 'currentHandlerUserNickname'
       | 'implementProjectId'
-      | 'completionDate'
+      | 'workHours'
       | 'sort'
     >;
 
@@ -415,8 +415,10 @@ declare namespace Api {
       | 'category'
       | 'priority'
       | 'proposerId'
+      | 'proposerNickname'
       | 'currentHandlerUserId'
-      | 'completionDate'
+      | 'currentHandlerUserNickname'
+      | 'workHours'
       | 'sort'
     >;
 
diff --git a/src/typings/components.d.ts b/src/typings/components.d.ts
index 00caf34..a7280f6 100644
--- a/src/typings/components.d.ts
+++ b/src/typings/components.d.ts
@@ -102,6 +102,7 @@ declare module 'vue' {
     IconGridiconsFullscreenExit: typeof import('~icons/gridicons/fullscreen-exit')['default']
     'IconIc:roundPlus': typeof import('~icons/ic/round-plus')['default']
     'IconIconParkOutline:equalRatio': typeof import('~icons/icon-park-outline/equal-ratio')['default']
+    IconIcRoundChevronRight: typeof import('~icons/ic/round-chevron-right')['default']
     IconIcRoundDelete: typeof import('~icons/ic/round-delete')['default']
     IconIcRoundEdit: typeof import('~icons/ic/round-edit')['default']
     IconIcRoundPlus: typeof import('~icons/ic/round-plus')['default']
diff --git a/src/views/product/requirement/index.vue b/src/views/product/requirement/index.vue
index ccb3d74..2d9d811 100644
--- a/src/views/product/requirement/index.vue
+++ b/src/views/product/requirement/index.vue
@@ -1,11 +1,12 @@
 <script setup lang="tsx">
 import { computed, onMounted, reactive, ref, watch } from 'vue';
 import type { TableInstance } from 'element-plus';
-import { ElButton, ElTag } from 'element-plus';
+import { ElButton, ElTag, ElTooltip } from 'element-plus';
 import dayjs from 'dayjs';
 import {
   RDMS_REQ_CATEGORY_DICT_CODE,
-  RDMS_REQ_PRIORITY_DICT_CODE
+  RDMS_REQ_PRIORITY_DICT_CODE,
+  RDMS_REQ_SOURCE_TYPE_DICT_CODE
 } from '@/constants/dict';
 import {
   fetchChangeRequirementStatus,
@@ -17,13 +18,13 @@ import {
   fetchGetRequirementTree
 } from '@/service/api';
 import { useAuth } from '@/hooks/business/auth';
-import BusinessTableActionCell from '@/components/custom/business-table-action-cell';
 import DictTag from '@/components/custom/dict-tag.vue';
+import DictText from '@/components/custom/dict-text.vue';
+import SvgIcon from '@/components/custom/svg-icon.vue';
 import { useCurrentProduct } from '../shared/use-current-product';
 import {
   type RequirementStatusActionCode,
   getRequirementActionDisplayName,
-  getRequirementActionTagType,
   getRequirementStatusTagType,
   isRequirementActionNeedProject,
   isRequirementActionNeedReviewChoice,
@@ -41,6 +42,44 @@ defineOptions({ name: 'ProductRequirement' });
 const { currentObjectId } = useCurrentProduct();
 const { hasObjectAuth } = useAuth();
 
+/**
+ * 操作按钮图标映射
+ *
+ * 将操作类型映射到对应的 Iconify 图标
+ */
+const actionIconMap: Record<string, string> = {
+  split: 'ic:round-call-split',
+  edit: 'ic:round-edit',
+  claim_to_review: 'ic:round-check',
+  claim_to_dispatch: 'ic:round-check',
+  to_dispatch: 'ic:round-verified',
+  dispatch: 'ic:round-merge-type',
+  accept: 'ic:round-check-circle',
+  reject: 'ic:round-cancel',
+  cancel: 'ic:round-close',
+  close: 'ic:round-power-settings-new',
+  delete: 'ic:round-delete'
+};
+
+/**
+ * 操作按钮颜色映射
+ *
+ * 将操作类型映射到对应的图标颜色（Element Plus 主题色）
+ */
+const actionColorMap: Record<string, string> = {
+  split: 'var(--el-color-primary)',
+  edit: 'var(--el-color-info)',
+  claim_to_review: 'var(--el-color-primary)',
+  claim_to_dispatch: 'var(--el-color-primary)',
+  to_dispatch: 'var(--el-color-success)',
+  dispatch: 'var(--el-color-primary)',
+  accept: 'var(--el-color-success)',
+  reject: 'var(--el-color-danger)',
+  cancel: 'var(--el-color-danger)',
+  close: 'var(--el-color-danger)',
+  delete: 'var(--el-color-danger)'
+};
+
 const statusOptions = ref<Array<{ label: string; value: string }>>([]);
 const terminalStatusOptions = ref<string[]>([]);
 
@@ -244,14 +283,13 @@ const columns = computed(() => [
   },
   {
     prop: 'title',
-    label: '标题',
+    label: '需求名称',
     minWidth: 200,
     formatter: (row: Api.Product.Requirement) => {
-      const isTerminal = isTerminalStatus(row.statusCode);
       const className = 'requirement-title';
 
       return (
-        <ElButton link type={isTerminal ? 'info' : 'primary'} class={className} onClick={() => openView(row)}>
+        <ElButton link type='primary' class={className} onClick={() => openView(row)}>
           {row.title}
         </ElButton>
       );
@@ -259,13 +297,22 @@ const columns = computed(() => [
   },
   {
     prop: 'category',
-    label: '分类',
+    label: '需求类型',
     minWidth: 120,
     formatter: (row: Api.Product.Requirement) => row.category
   },
+  {
+    prop: 'sourceType',
+    label: '需求来源',
+    minWidth: 100,
+    align: 'center',
+    formatter: (row: Api.Product.Requirement) => (
+      <DictText dictCode={RDMS_REQ_SOURCE_TYPE_DICT_CODE} value={row.sourceType} />
+    )
+  },
   // {
   //   prop: 'description',
-  //   label: '描述',
+  //   label: '内容',
   //   minWidth: 200,
   //   showOverflowTooltip: true,
   //   formatter: (row: Api.Product.Requirement) => {
@@ -281,6 +328,13 @@ const columns = computed(() => [
       <DictTag dictCode={RDMS_REQ_PRIORITY_DICT_CODE} value={row.priority} type={getPriorityTagType(row.priority)} />
     )
   },
+  {
+    prop: 'workHours',
+    label: '所需工时',
+    width: 75,
+    align: 'center',
+    formatter: (row: Api.Product.Requirement) => (row.workHours != null ? `${row.workHours}h` : '--')
+  },
   {
     prop: 'statusCode',
     label: '状态',
@@ -292,6 +346,12 @@ const columns = computed(() => [
       </ElTag>
     )
   },
+  {
+    prop: 'proposerNickname',
+    label: '提出人',
+    minWidth: 70,
+    formatter: (row: Api.Product.Requirement) => row.proposerNickname || '--'
+  },
   {
     prop: 'currentHandlerUserId',
     label: '负责人',
@@ -315,15 +375,15 @@ const columns = computed(() => [
     }
   },
   {
-    prop: 'implementProjectName',
+    prop: 'implementProjectId',
     label: '实现项目',
     minWidth: 140,
-    formatter: (row: Api.Product.Requirement) => row.implementProjectName || '--'
+    formatter: (row: Api.Product.Requirement) => row.implementProjectId || '--'
   },
   {
     prop: 'createTime',
     label: '创建时间',
-    width: 170,
+    minWidth: 180,
     formatter: (row: Api.Product.Requirement) => formatDateTime(row.createTime)
   },
   {
@@ -336,7 +396,8 @@ const columns = computed(() => [
       const actions: {
         key: string;
         label: string;
-        buttonType?: 'primary' | 'success' | 'warning' | 'danger' | 'info';
+        icon: string;
+        color: string;
         disabled?: boolean;
         onClick: () => void;
       }[] = [];
@@ -345,17 +406,18 @@ const columns = computed(() => [
         actions.push({
           key: 'split',
           label: '拆分',
-          buttonType: 'primary',
+          icon: actionIconMap.split,
+          color: actionColorMap.split,
           onClick: () => openSplit(row)
         });
       }
 
-      if (hasObjectAuth('project:product:update')) {
+      if (hasObjectAuth('project:product:update') && !isTerminalStatus(row.statusCode)) {
         actions.push({
           key: 'edit',
           label: '编辑',
-          buttonType: 'info',
-          disabled: isTerminalStatus(row.statusCode),
+          icon: actionIconMap.edit,
+          color: actionColorMap.edit,
           onClick: () => openEdit(row)
         });
       }
@@ -380,7 +442,8 @@ const columns = computed(() => [
           actions.push({
             key: `action-${action.actionCode}`,
             label: getRequirementActionDisplayName(action),
-            buttonType: getRequirementActionTagType(action.actionCode as RequirementStatusActionCode),
+            icon: actionIconMap[action.actionCode] || 'ic:round-play-arrow',
+            color: actionColorMap[action.actionCode] || 'var(--el-color-primary)',
             onClick: () => handleActionClick(row, action)
           });
         }
@@ -390,16 +453,61 @@ const columns = computed(() => [
         actions.push({
           key: 'delete',
           label: '删除',
-          buttonType: 'danger',
+          icon: actionIconMap.delete,
+          color: actionColorMap.delete,
           onClick: () => handleDelete(row)
         });
       }
 
-      return <BusinessTableActionCell actions={actions} />;
+      return (
+        <div class="requirement-action-cell" onClick={event => event.stopPropagation()}>
+          {actions.map(action => (
+            <ElTooltip key={action.key} content={action.label} placement="top">
+              <ElButton
+                text
+                size="small"
+                class="requirement-action-icon-btn"
+                onClick={() => action.onClick()}
+              >
+                <SvgIcon icon={action.icon} class="text-18px" style={{ color: action.color }} />
+              </ElButton>
+            </ElTooltip>
+          ))}
+        </div>
+      );
     }
   }
 ]);
 
+const columnChecks = ref<UI.TableColumnCheck[]>([]);
+
+watch(
+  () => columns.value,
+  cols => {
+    const existingMap = new Map(columnChecks.value.map(c => [c.prop, c.checked]));
+    columnChecks.value = cols
+      .filter(col => col.prop && col.prop !== 'operate')
+      .map(col => ({
+        prop: String(col.prop),
+        label: String(col.label || ''),
+        checked: existingMap.has(String(col.prop)) ? existingMap.get(String(col.prop))! : true,
+        visible: true
+      }));
+  },
+  { immediate: true }
+);
+
+const visibleColumns = computed(() => {
+  if (columnChecks.value.length === 0) return columns.value;
+  const visibleSet = new Set(columnChecks.value.filter(c => c.checked).map(c => c.prop));
+  return columns.value.filter(col => {
+    const prop = String(col.prop || '');
+    if (!prop) return true;
+    if (prop === 'operate') return true;
+    return visibleSet.has(prop);
+  });
+});
+
 async function loadMembers() {
   if (!currentObjectId.value) {
     memberOptions.value = [];
@@ -660,7 +768,7 @@ onMounted(async () => {
               <p>需求列表</p>
               <ElTag effect="plain">{{ pagination.total }} 条</ElTag>
             </div>
-            <TableHeaderOperation :loading="loading" @refresh="reloadTable">
+            <TableHeaderOperation v-model:columns="columnChecks" :loading="loading" @refresh="reloadTable">
               <template #default>
                 <ElButton
                   v-auth="{ code: 'project:product:create', source: 'object' }"
@@ -690,7 +798,7 @@ onMounted(async () => {
             :data="treeData"
             :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
           >
-            <ElTableColumn v-for="col in columns" :key="String(col.prop || 'index')" v-bind="col" />
+            <ElTableColumn v-for="col in visibleColumns" :key="String(col.prop || 'index')" v-bind="col" />
 
             <template #empty>
               <ElEmpty description="当前模块下暂无需求" />
@@ -777,4 +885,20 @@ onMounted(async () => {
 :deep(.el-table__row[class*='el-table__row--level-']:not(.el-table__row--level-0) td:first-child .cell) {
   color: transparent;
 }
+
+:deep(.requirement-action-cell) {
+  display: inline-flex;
+  align-items: center;
+  gap: 1px;
+}
+
+:deep(.requirement-action-icon-btn) {
+  padding: 1px;
+  height: auto;
+  min-width: auto;
+}
+
+:deep(.requirement-action-icon-btn:hover) {
+  background-color: var(--el-fill-color-light);
+}
 </style>
diff --git a/src/views/product/requirement/modules/module-tree-node.vue b/src/views/product/requirement/modules/module-tree-node.vue
index 38cb082..eddb883 100644
--- a/src/views/product/requirement/modules/module-tree-node.vue
+++ b/src/views/product/requirement/modules/module-tree-node.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed } from 'vue';
+import { computed, inject, ref, type Ref } from 'vue';
 
 defineOptions({ name: 'ModuleTreeNode' });
 
@@ -32,15 +32,15 @@ const emit = defineEmits([
   'updateNewChildModuleName'
 ]);
 
+const collapsedModuleIds = inject<Ref<Set<string>>>('collapsedModuleIds', ref(new Set()));
+const toggleCollapse = inject<(id: string) => void>('toggleCollapse', () => {});
+
 const isRootModule = computed(() => props.module.id === props.rootModuleId);
-
 const isSelected = computed(() => props.selectedModuleId === props.module.id);
-
 const isEditing = computed(() => props.editingNodeId === props.module.id);
-
 const isAddingChild = computed(() => props.addingChildParentId === props.module.id);
-
 const hasChildren = computed(() => props.module.children && props.module.children.length > 0);
+const isCollapsed = computed(() => hasChildren.value && props.module.id ? collapsedModuleIds.value.has(props.module.id) : false);
 
 const hasRequirements = computed(() => {
   const moduleId = props.module.id;
@@ -91,6 +91,12 @@ function handleAddChildConfirm() {
 function handleAddChildCancel() {
   emit('addChildCancel');
 }
+
+function handleToggle() {
+  if (props.module.id) {
+    toggleCollapse(props.module.id);
+  }
+}
 </script>
 
 <template>
@@ -105,6 +111,9 @@ function handleAddChildCancel() {
       :style="indentStyle"
       @click="handleClick"
     >
+      <div class="module-tree-item__toggle" :class="{ 'is-expanded': hasChildren && !isCollapsed }" @click.stop="handleToggle">
+        <icon-ic-round-chevron-right v-if="hasChildren" class="text-14px" />
+      </div>
       <div class="module-tree-item__icon">
         <icon-mdi-folder-open v-if="isRootModule" class="text-16px" />
         <icon-mdi-folder-outline v-else class="text-16px" />
@@ -124,7 +133,7 @@ function handleAddChildCancel() {
         />
       </div>
 
-      <div v-if="!isRootModule && !isEditing" class="module-tree-item__actions">
+      <div v-if="!isEditing" class="module-tree-item__actions" @click.stop>
         <ElDropdown trigger="click">
           <ElButton text size="small" class="module-tree-item__more-btn">
             <icon-mdi-dots-horizontal class="text-14px" />
@@ -140,14 +149,18 @@ function handleAddChildCancel() {
                   <span>新增子模块</span>
                 </div>
               </ElDropdownItem>
-              <ElDropdownItem v-auth="{ code: 'project:product:update', source: 'object' }" @click="handleStartEdit">
+              <ElDropdownItem
+                v-if="!isRootModule"
+                v-auth="{ code: 'project:product:update', source: 'object' }"
+                @click="handleStartEdit"
+              >
                 <div class="flex items-center gap-6px">
                   <icon-mdi-pencil-outline class="text-14px" />
                   <span>编辑</span>
                 </div>
               </ElDropdownItem>
               <ElDropdownItem
-                v-if="canDeleteModule"
+                v-if="!isRootModule && canDeleteModule"
                 v-auth="{ code: 'project:product:delete', source: 'object' }"
                 divided
                 @click="handleDelete"
@@ -163,7 +176,7 @@ function handleAddChildCancel() {
       </div>
     </div>
 
-    <template v-if="hasChildren">
+    <template v-if="hasChildren && !isCollapsed">
       <ModuleTreeNode
         v-for="child in module.children"
         :key="child.id"
@@ -270,6 +283,23 @@ function handleAddChildCancel() {
   color: rgb(100 116 139 / 80%);
 }
 
+.module-tree-item__toggle {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 20px;
+  height: 20px;
+  flex-shrink: 0;
+  cursor: pointer;
+  user-select: none;
+  transition: transform 0.2s ease;
+  color: rgb(148 163 184);
+}
+
+.module-tree-item__toggle.is-expanded svg {
+  transform: rotate(90deg);
+}
+
 .module-tree-item__content {
   flex: 1;
   min-width: 0;
diff --git a/src/views/product/requirement/modules/requirement-action-dialog.vue b/src/views/product/requirement/modules/requirement-action-dialog.vue
index 5b1ea9a..1cfa891 100644
--- a/src/views/product/requirement/modules/requirement-action-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-action-dialog.vue
@@ -118,8 +118,7 @@ async function handleSubmit() {
     @confirm="handleSubmit"
   >
     <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElFormItem label="需求标题">
-        <span class="text-14px">{{ requirementTitle }}</span>
+      <ElFormItem :label="`需求名称：${requirementTitle}`">
       </ElFormItem>
 
       <ElFormItem v-if="isClaimAction" label="是否需要评审" prop="reviewChoice">
diff --git a/src/views/product/requirement/modules/requirement-create-dialog.vue b/src/views/product/requirement/modules/requirement-create-dialog.vue
index 66bdeca..2a20292 100644
--- a/src/views/product/requirement/modules/requirement-create-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-create-dialog.vue
@@ -45,12 +45,12 @@ interface Model {
   title: string;
   description: string;
   reviewRequired: number;
-  completionDate: string;
   moduleId: string;
   category: string;
   priority: number | null;
   proposerId: string;
   currentHandlerUserId: string;
+  workHours: number | null;
   sort: number;
 }
 
@@ -64,11 +64,28 @@ const memberUserOptions = computed(() => {
   return props.memberOptions.filter(m => m.status === 0);
 });
 
-const moduleTreeProps = {
-  label: 'moduleName',
-  value: 'id',
-  children: 'children'
-};
+const flatModuleOptions = computed<Array<{ label: string; value: string }>>(() => {
+  const options: Array<{ label: string; value: string }> = [];
+
+  function walk(modules: Api.Product.RequirementModule[], parentPath: string) {
+    for (const module of modules) {
+      const currentPath = `${parentPath}/${module.moduleName}`;
+      options.push({
+        label: currentPath,
+        value: module.id || ''
+      });
+      if (module.children?.length) {
+        walk(module.children, currentPath);
+      }
+    }
+  }
+
+  if (moduleTree.value.length > 0) {
+    walk(moduleTree.value, '');
+  }
+
+  return options;
+});
 
 const reviewRequiredOptions = [
   { label: '不需要', value: 0 },
@@ -76,12 +93,12 @@ const reviewRequiredOptions = [
 ];
 
 const rules = {
-  title: [createRequiredRule('请输入需求标题')],
-  category: [createRequiredRule('请选择分类')],
+  title: [createRequiredRule('请输入需求名称')],
+  category: [createRequiredRule('请选择需求类型')],
   priority: [createRequiredRule('请选择优先级')],
   proposerId: [createRequiredRule('请选择提出人')],
   currentHandlerUserId: [createRequiredRule('请选择负责人')],
-  completionDate: [createRequiredRule('请选择预期完成时间')]
+  workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
 function createDefaultModel(): Model {
@@ -89,12 +106,12 @@ function createDefaultModel(): Model {
     title: '',
     description: '',
     reviewRequired: 0,
-    completionDate: '',
     moduleId: props.defaultModuleId || '0',
     category: '功能需求',
     priority: 1,
     proposerId: '',
     currentHandlerUserId: '',
+    workHours: null,
     sort: 0
   };
 }
@@ -114,6 +131,11 @@ async function handleSubmit() {
     return;
   }
 
+  const proposer = memberUserOptions.value.find(m => m.userId === model.value.proposerId);
+  const proposerNickname = proposer?.userNickname || '';
+  const handler = memberUserOptions.value.find(m => m.userId === model.value.currentHandlerUserId);
+  const currentHandlerUserNickname = handler?.userNickname || '';
+
   const payload: Api.Product.SaveRequirementParams = {
     productId: props.productId,
     moduleId: model.value.moduleId || '0',
@@ -123,9 +145,11 @@ async function handleSubmit() {
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Product.RequirementPriority,
     proposerId: model.value.proposerId,
+    proposerNickname,
     currentHandlerUserId: model.value.currentHandlerUserId,
+    currentHandlerUserNickname,
     implementProjectId: null,
-    completionDate: model.value.completionDate,
+    workHours: model.value.workHours || 0,
     sort: model.value.sort
   };
 
@@ -188,32 +212,8 @@ watch(
     <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
       <ElRow :gutter="16">
         <ElCol :span="12">
-          <ElFormItem label="标题" prop="title">
-            <ElInput v-model="model.title" clearable maxlength="256" placeholder="请输入需求标题" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="预期完成时间" prop="completionDate" style="width: 100%">
-            <ElDatePicker
-              v-model="model.completionDate"
-              type="datetime"
-              class="w-full"
-              placeholder="选择预期完成时间"
-              value-format="x"
-              style="width: 100%"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="24">
-          <ElFormItem label="描述">
-            <ElInput
-              v-model="model.description"
-              type="textarea"
-              :rows="6"
-              maxlength="2000"
-              show-word-limit
-              placeholder="请输入需求描述"
-            />
+          <ElFormItem label="需求名称" prop="title">
+            <ElInput v-model="model.title" clearable maxlength="256" placeholder="请输入需求名称" />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
@@ -228,22 +228,33 @@ watch(
             </ElSelect>
           </ElFormItem>
         </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="模块">
-            <ElTreeSelect
-              v-model="model.moduleId"
-              :data="moduleTree"
-              :props="moduleTreeProps"
-              class="w-full"
-              check-strictly
-              :render-after-expand="false"
-              placeholder="请选择所属模块"
+        <ElCol :span="24">
+          <ElFormItem label="内容">
+            <ElInput
+              v-model="model.description"
+              type="textarea"
+              :rows="6"
+              maxlength="2000"
+              show-word-limit
+              placeholder="请输入需求内容"
             />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
-          <ElFormItem label="分类" prop="category">
-            <DictSelect v-model="model.category" :dict-code="categoryDictCode" filterable placeholder="请选择分类" />
+          <ElFormItem label="模块">
+            <ElSelect v-model="model.moduleId" class="w-full" filterable placeholder="请选择所属模块">
+              <ElOption
+                v-for="item in flatModuleOptions"
+                :key="item.value"
+                :label="item.label"
+                :value="item.value"
+              />
+            </ElSelect>
+          </ElFormItem>
+        </ElCol>
+        <ElCol :span="12">
+          <ElFormItem label="需求类型" prop="category">
+            <DictSelect v-model="model.category" :dict-code="categoryDictCode" filterable placeholder="请选择需求类型" />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
@@ -281,6 +292,18 @@ watch(
             </ElSelect>
           </ElFormItem>
         </ElCol>
+        <ElCol :span="12">
+          <ElFormItem label="所需工时" prop="workHours">
+            <ElInputNumber
+              v-model="model.workHours"
+              class="w-full"
+              :min="0"
+              :max="9999"
+              :precision="1"
+              placeholder="请输入所需工时"
+            />
+          </ElFormItem>
+        </ElCol>
         <ElCol :span="12">
           <ElFormItem label="排序值">
             <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
diff --git a/src/views/product/requirement/modules/requirement-detail-dialog.vue b/src/views/product/requirement/modules/requirement-detail-dialog.vue
index 711332f..808614a 100644
--- a/src/views/product/requirement/modules/requirement-detail-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-detail-dialog.vue
@@ -1,15 +1,13 @@
 <script setup lang="ts">
-import { computed, nextTick, ref, watch } from 'vue';
-import dayjs from 'dayjs';
-import { fetchGetRequirement, fetchGetRequirementModuleTree, fetchUpdateRequirement } from '@/service/api';
-import { useForm, useFormRules } from '@/hooks/common/form';
-import { useDict } from '@/hooks/business/dict';
+import {computed, nextTick, ref, watch} from 'vue';
+import {fetchGetRequirement, fetchGetRequirementModuleTree, fetchUpdateRequirement} from '@/service/api';
+import {useForm, useFormRules} from '@/hooks/common/form';
+import {useDict} from '@/hooks/business/dict';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
-import DictSelect from '@/components/custom/dict-select.vue';
 import ReadonlyField from '@/components/custom/readonly-field.vue';
 import MemberSelectOption from './member-select-option.vue';
 
-defineOptions({ name: 'RequirementDetailDialog' });
+defineOptions({name: 'RequirementDetailDialog'});
 
 type DialogMode = 'view' | 'edit';
 
@@ -34,11 +32,11 @@ const visible = defineModel<boolean>('visible', {
   default: false
 });
 
-const { formRef, validate } = useForm();
-const { createRequiredRule } = useFormRules();
+const {formRef, validate} = useForm();
+const {createRequiredRule} = useFormRules();
 
-const { getLabel: getCategoryLabel } = useDict(() => props.categoryDictCode);
-const { getLabel: getPriorityLabel, enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
+const {getLabel: getCategoryLabel} = useDict(() => props.categoryDictCode);
+const {getLabel: getPriorityLabel, enabledDictData: priorityDictData} = useDict(() => props.priorityDictCode);
 
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
@@ -51,13 +49,15 @@ interface Model {
   title: string;
   description: string;
   reviewRequired: number;
-  completionDate: string;
   moduleId: string;
   category: string;
   priority: number | null;
   proposerId: string;
+  proposerNickname: string;
   currentHandlerUserId: string;
+  currentHandlerUserNickname: string;
   implementProjectId: string | null;
+  workHours: number | null;
   sort: number;
   lastStatusReason: string;
 }
@@ -87,6 +87,7 @@ const memberLabelMap = computed(() => {
 
 const moduleLabelMap = computed(() => {
   const map = new Map<string | undefined, string>();
+
   function traverse(modules: Api.Product.RequirementModule[]) {
     for (const module of modules) {
       map.set(module.id, module.moduleName);
@@ -95,29 +96,46 @@ const moduleLabelMap = computed(() => {
       }
     }
   }
+
   traverse(moduleTree.value);
   return map;
 });
 
-const moduleTreeProps = {
-  label: 'moduleName',
-  value: 'id',
-  children: 'children'
-};
+const flatModuleOptions = computed<Array<{ label: string; value: string }>>(() => {
+  const options: Array<{ label: string; value: string }> = [];
+
+  function walk(modules: Api.Product.RequirementModule[], parentPath: string) {
+    for (const module of modules) {
+      const currentPath = `${parentPath}/${module.moduleName}`;
+      options.push({
+        label: currentPath,
+        value: module.id || ''
+      });
+      if (module.children?.length) {
+        walk(module.children, currentPath);
+      }
+    }
+  }
+
+  if (moduleTree.value.length > 0) {
+    walk(moduleTree.value, '');
+  }
+
+  return options;
+});
 
 const reviewRequiredOptions = [
-  { label: '不需要', value: 0 },
-  { label: '需要', value: 1 }
+  {label: '不需要', value: 0},
+  {label: '需要', value: 1}
 ];
 
 const rules = computed(() => {
   const baseRules: Record<string, App.Global.FormRule[]> = {
-    title: isEditMode.value ? [createRequiredRule('请输入需求标题')] : [],
-    category: isEditMode.value ? [createRequiredRule('请选择分类')] : [],
+    title: isEditMode.value ? [createRequiredRule('请输入需求名称')] : [],
+    category: isEditMode.value ? [createRequiredRule('请选择需求类型')] : [],
     priority: isEditMode.value ? [createRequiredRule('请选择优先级')] : [],
     proposerId: isEditMode.value ? [createRequiredRule('请选择提出人')] : [],
-    currentHandlerUserId: isEditMode.value ? [createRequiredRule('请选择负责人')] : [],
-    completionDate: isEditMode.value ? [createRequiredRule('请选择预期完成时间')] : []
+    currentHandlerUserId: isEditMode.value ? [createRequiredRule('请选择负责人')] : []
   };
 
   return baseRules;
@@ -128,13 +146,15 @@ function createDefaultModel(): Model {
     title: '',
     description: '',
     reviewRequired: 0,
-    completionDate: '',
     moduleId: '0',
     category: '',
     priority: 1,
     proposerId: '',
+    proposerNickname: '',
     currentHandlerUserId: '',
+    currentHandlerUserNickname: '',
     implementProjectId: null,
+    workHours: null,
     sort: 0,
     lastStatusReason: ''
   };
@@ -167,13 +187,15 @@ async function handleSubmit() {
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Product.RequirementPriority,
     proposerId: model.value.proposerId,
+    proposerNickname: model.value.proposerNickname,
     currentHandlerUserId: model.value.currentHandlerUserId,
+    currentHandlerUserNickname: model.value.currentHandlerUserNickname,
     implementProjectId: model.value.implementProjectId,
-    completionDate: model.value.completionDate,
+    workHours: model.value.workHours || 0,
     sort: model.value.sort
   };
 
-  const { error } = await fetchUpdateRequirement(updatePayload);
+  const {error} = await fetchUpdateRequirement(updatePayload);
 
   submitting.value = false;
 
@@ -192,7 +214,7 @@ async function loadModuleTree() {
     return;
   }
 
-  const { error, data } = await fetchGetRequirementModuleTree(props.productId);
+  const {error, data} = await fetchGetRequirementModuleTree(props.productId);
 
   if (error || !data) {
     moduleTree.value = [];
@@ -209,7 +231,7 @@ async function loadRequirementDetail() {
 
   loading.value = true;
 
-  const { error, data } = await fetchGetRequirement(props.requirement.id, props.productId);
+  const {error, data} = await fetchGetRequirement(props.requirement.id, props.productId);
 
   loading.value = false;
 
@@ -221,13 +243,15 @@ async function loadRequirementDetail() {
     title: data.title || '',
     description: data.description || '',
     reviewRequired: data.reviewRequired ?? 0,
-    completionDate: data.completionDate || '',
     moduleId: data.moduleId || '0',
     category: data.category || '',
     priority: data.priority ?? null,
     proposerId: data.proposerId || '',
+    proposerNickname: data.proposerNickname || '',
     currentHandlerUserId: data.currentHandlerUserId || '',
+    currentHandlerUserNickname: data.currentHandlerUserNickname || '',
     implementProjectId: data.implementProjectId || null,
+    workHours: data.workHours ?? null,
     sort: data.sort ?? 0,
     lastStatusReason: data.lastStatusReason || ''
   };
@@ -265,33 +289,17 @@ watch(
     <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
       <ElRow :gutter="16">
         <ElCol :span="12">
-          <ElFormItem label="标题" prop="title">
-            <template v-if="isViewMode">
-              <ReadonlyField :value="model.title" />
-            </template>
-            <ElInput v-else v-model="model.title" clearable maxlength="256" placeholder="请输入需求标题" />
+          <ElFormItem label="需求名称" prop="title">
+            <ReadonlyField :value="model.title" />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
-          <ElFormItem label="预期完成时间" prop="completionDate" style="width: 100%">
-            <template v-if="isViewMode">
-              <ReadonlyField
-                :value="model.completionDate ? dayjs(Number(model.completionDate)).format('YYYY-MM-DD HH:mm:ss') : '--'"
-              />
-            </template>
-            <ElDatePicker
-              v-else
-              v-model="model.completionDate"
-              type="datetime"
-              class="w-full"
-              placeholder="选择预期完成时间"
-              value-format="x"
-              style="width: 100%"
-            />
+          <ElFormItem label="是否需要评审">
+            <ReadonlyField :value="reviewRequiredOptions.find(opt => opt.value === model.reviewRequired)?.label"/>
           </ElFormItem>
         </ElCol>
         <ElCol :span="24">
-          <ElFormItem label="描述">
+          <ElFormItem label="内容">
             <template v-if="isViewMode">
               <div class="readonly-textarea">
                 {{ model.description || '--' }}
@@ -304,44 +312,28 @@ watch(
               :rows="6"
               maxlength="2000"
               show-word-limit
-              placeholder="请输入需求描述"
+              placeholder="请输入需求内容"
             />
           </ElFormItem>
         </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="是否需要评审">
-            <ReadonlyField :value="reviewRequiredOptions.find(opt => opt.value === model.reviewRequired)?.label" />
-          </ElFormItem>
-        </ElCol>
         <ElCol :span="12">
           <ElFormItem label="模块">
             <template v-if="isViewMode">
               <ReadonlyField :value="moduleLabelMap.get(model.moduleId) || '--'" />
             </template>
-            <ElTreeSelect
-              v-else
-              v-model="model.moduleId"
-              :data="moduleTree"
-              :props="moduleTreeProps"
-              class="w-full"
-              check-strictly
-              :render-after-expand="false"
-              placeholder="请选择所属模块"
-            />
+            <ElSelect v-else v-model="model.moduleId" class="w-full" filterable placeholder="请选择所属模块">
+              <ElOption
+                v-for="item in flatModuleOptions"
+                :key="item.value"
+                :label="item.label"
+                :value="item.value"
+              />
+            </ElSelect>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
-          <ElFormItem label="分类" prop="category">
-            <template v-if="isViewMode">
-              <ReadonlyField :value="getCategoryLabel(model.category) || '--'" />
-            </template>
-            <DictSelect
-              v-else
-              v-model="model.category"
-              :dict-code="categoryDictCode"
-              filterable
-              placeholder="请选择分类"
-            />
+          <ElFormItem label="需求类型" prop="category">
+            <ReadonlyField :value="getCategoryLabel(model.category) || '--'"/>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
@@ -352,31 +344,19 @@ watch(
               />
             </template>
             <ElSelect v-else v-model="model.priority" class="w-full" filterable placeholder="请选择优先级">
-              <ElOption v-for="item in priorityOptions" :key="item.value" :label="item.label" :value="item.value" />
+              <ElOption v-for="item in priorityOptions" :key="item.value" :label="item.label" :value="item.value"/>
             </ElSelect>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
           <ElFormItem label="提出人" prop="proposerId">
-            <template v-if="isViewMode">
-              <ReadonlyField :value="memberLabelMap.get(model.proposerId) || '--'" />
-            </template>
-            <ElSelect v-else v-model="model.proposerId" class="w-full" filterable placeholder="请选择提出人">
-              <ElOption
-                v-for="item in memberUserOptions"
-                :key="item.userId"
-                :label="item.userNickname"
-                :value="item.userId"
-              >
-                <MemberSelectOption :nickname="item.userNickname" :role-name="item.roleName" />
-              </ElOption>
-            </ElSelect>
+            <ReadonlyField :value="memberLabelMap.get(model.proposerId) || '--'"/>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
           <ElFormItem label="负责人" prop="currentHandlerUserId">
             <template v-if="isViewMode">
-              <ReadonlyField :value="memberLabelMap.get(model.currentHandlerUserId) || '--'" />
+              <ReadonlyField :value="memberLabelMap.get(model.currentHandlerUserId) || '--'"/>
             </template>
             <ElSelect v-else v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
               <ElOption
@@ -385,22 +365,38 @@ watch(
                 :label="item.userNickname"
                 :value="item.userId"
               >
-                <MemberSelectOption :nickname="item.userNickname" :role-name="item.roleName" />
+                <MemberSelectOption :nickname="item.userNickname" :role-name="item.roleName"/>
               </ElOption>
             </ElSelect>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
+          <ElFormItem label="所需工时">
+            <template v-if="isViewMode">
+              <ReadonlyField :value="model.workHours != null ? `${model.workHours}小时` : '--'"/>
+            </template>
+            <ElInputNumber
+              v-else
+              v-model="model.workHours"
+              class="w-full"
+              :min="0"
+              :max="9999"
+              :precision="1"
+              placeholder="请输入所需工时"
+            />
+          </ElFormItem>
+        </ElCol>
+        <ElCol v-if="isViewMode" :span="12">
           <ElFormItem label="实现项目">
-            <ReadonlyField :value="model.implementProjectId || '--'" />
+            <ReadonlyField :value="model.implementProjectId || '--'"/>
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
           <ElFormItem label="排序值">
             <template v-if="isViewMode">
-              <ReadonlyField :value="model.sort" />
+              <ReadonlyField :value="model.sort"/>
             </template>
-            <ElInputNumber v-else v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
+            <ElInputNumber v-else v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值"/>
           </ElFormItem>
         </ElCol>
         <ElCol v-if="isViewMode && model.lastStatusReason" :span="24">
diff --git a/src/views/product/requirement/modules/requirement-module-tree.vue b/src/views/product/requirement/modules/requirement-module-tree.vue
index bdb3e49..32e6310 100644
--- a/src/views/product/requirement/modules/requirement-module-tree.vue
+++ b/src/views/product/requirement/modules/requirement-module-tree.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, nextTick, ref, watch } from 'vue';
+import { computed, nextTick, provide, ref, watch } from 'vue';
 import { ElMessageBox } from 'element-plus';
 import {
   fetchCreateRequirementModule,
@@ -41,12 +41,24 @@ const rootModule = computed<Api.Product.RequirementModule | null>(() => {
 const editingNodeId = ref<string | undefined>(undefined);
 const editingName = ref('');
 
-const addingTopModule = ref(false);
-const newModuleName = ref('');
-
 const addingChildParentId = ref<string | undefined>(undefined);
 const newChildModuleName = ref('');
 
+const collapsedModuleIds = ref(new Set<string>());
+
+function handleToggleCollapse(moduleId: string) {
+  const set = collapsedModuleIds.value;
+  if (set.has(moduleId)) {
+    set.delete(moduleId);
+  } else {
+    set.add(moduleId);
+  }
+  collapsedModuleIds.value = new Set(set);
+}
+
+provide('collapsedModuleIds', collapsedModuleIds);
+provide('toggleCollapse', handleToggleCollapse);
+
 const moduleRequirementCountMap = computed(() => {
   const countMap = new Map<string, number>();
 
@@ -98,59 +110,6 @@ function handleNodeSelect(moduleId: string) {
   emit('select', moduleId);
 }
 
-function startAddTopModule() {
-  if (addingTopModule.value || addingChildParentId.value) return;
-
-  addingTopModule.value = true;
-  newModuleName.value = '';
-
-  nextTick(() => {
-    const input = document.querySelector('.new-module-input input') as HTMLInputElement;
-    input?.focus();
-  });
-}
-
-async function handleAddTopModuleConfirm() {
-  const name = newModuleName.value.trim();
-
-  if (!name) {
-    addingTopModule.value = false;
-    newModuleName.value = '';
-    return;
-  }
-
-  if (!currentObjectId.value || !rootModule.value?.id) {
-    addingTopModule.value = false;
-    return;
-  }
-
-  const { error } = await fetchCreateRequirementModule({
-    id: undefined,
-    productId: currentObjectId.value,
-    parentId: rootModule.value.id,
-    moduleName: name,
-    remark: null,
-    icon: null,
-    sort: 0
-  });
-
-  if (error) {
-    addingTopModule.value = false;
-    return;
-  }
-
-  window.$message?.success('模块新增成功');
-  addingTopModule.value = false;
-  newModuleName.value = '';
-  await loadModuleTree();
-  emit('refresh');
-}
-
-function handleAddTopModuleCancel() {
-  addingTopModule.value = false;
-  newModuleName.value = '';
-}
-
 function handleStartEdit(module: Api.Product.RequirementModule) {
   editingNodeId.value = module.id;
   editingName.value = module.moduleName;
@@ -199,7 +158,7 @@ async function handleUpdateModuleName(module: Api.Product.RequirementModule, nam
 }
 
 function handleStartAddChild(module: Api.Product.RequirementModule) {
-  if (addingTopModule.value || addingChildParentId.value) return;
+  if (addingChildParentId.value) return;
 
   addingChildParentId.value = module.id;
   newChildModuleName.value = '';
@@ -312,19 +271,6 @@ defineExpose({
   <div class="requirement-module-tree-wrapper">
     <div class="module-tree-header">
       <span class="module-tree-header__title">模块</span>
-      <ElSpace>
-        <ElButton
-          v-auth="{ code: 'project:product:create', source: 'object' }"
-          circle
-          text
-          size="small"
-          @click="startAddTopModule"
-        >
-          <template #icon>
-            <icon-ic-round-plus class="text-16px" />
-          </template>
-        </ElButton>
-      </ElSpace>
     </div>
 
     <div class="module-tree-list">
@@ -351,23 +297,6 @@ defineExpose({
           @update-new-child-module-name="newChildModuleName = $event"
         />
       </template>
-
-      <div v-if="addingTopModule" class="module-tree-item module-tree-item--new">
-        <div class="module-tree-item__icon">
-          <icon-mdi-folder-plus-outline class="text-16px" />
-        </div>
-        <div class="module-tree-item__content">
-          <ElInput
-            v-model="newModuleName"
-            size="small"
-            class="new-module-input module-tree-item__input"
-            placeholder="请输入模块名"
-            @blur="handleAddTopModuleConfirm"
-            @keyup.enter="handleAddTopModuleConfirm"
-            @keyup.esc="handleAddTopModuleCancel"
-          />
-        </div>
-      </div>
     </div>
   </div>
 </template>
diff --git a/src/views/product/requirement/modules/requirement-search.vue b/src/views/product/requirement/modules/requirement-search.vue
index 7945ced..e12209d 100644
--- a/src/views/product/requirement/modules/requirement-search.vue
+++ b/src/views/product/requirement/modules/requirement-search.vue
@@ -63,18 +63,18 @@ onMounted(async () => {
 <template>
   <TableSearchPanel :model="model" :action-col-lg="6" @reset="reset" @search="search">
     <ElCol :lg="6" :md="12" :sm="12">
-      <ElFormItem label="标题">
-        <ElInput v-model="model.title" clearable placeholder="输入需求标题" />
+      <ElFormItem label="需求名称">
+        <ElInput v-model="model.title" clearable placeholder="输入需求名称" />
       </ElFormItem>
     </ElCol>
     <ElCol :lg="6" :md="12" :sm="12">
-      <ElFormItem label="分类">
+      <ElFormItem label="需求类型">
         <DictSelect
           v-model="model.category"
           :dict-code="categoryDictCode"
           clearable
           filterable
-          placeholder="筛选分类"
+          placeholder="筛选需求类型"
         />
       </ElFormItem>
     </ElCol>
@@ -111,12 +111,12 @@ onMounted(async () => {
       </ElFormItem>
     </ElCol>
     <ElCol :lg="6" :md="12" :sm="12">
-      <ElFormItem label="来源类型">
+      <ElFormItem label="需求来源">
         <DictSelect
           v-model="model.sourceType"
           :dict-code="RDMS_REQ_SOURCE_TYPE_DICT_CODE"
           clearable
-          placeholder="筛选来源类型"
+          placeholder="筛选需求来源"
         />
       </ElFormItem>
     </ElCol>
diff --git a/src/views/product/requirement/modules/requirement-split-dialog.vue b/src/views/product/requirement/modules/requirement-split-dialog.vue
index 50d624b..5e776c9 100644
--- a/src/views/product/requirement/modules/requirement-split-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-split-dialog.vue
@@ -4,7 +4,6 @@ import { fetchSplitRequirement } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
-import DictSelect from '@/components/custom/dict-select.vue';
 import MemberSelectOption from './member-select-option.vue';
 
 defineOptions({ name: 'RequirementSplitDialog' });
@@ -48,7 +47,7 @@ interface Model {
   category: string;
   priority: number | null;
   currentHandlerUserId: string;
-  completionDate: string;
+  workHours: number | null;
   sort: number;
 }
 
@@ -67,11 +66,10 @@ const reviewRequiredOptions = [
 ];
 
 const rules = {
-  title: [createRequiredRule('请输入子需求标题')],
-  category: [createRequiredRule('请选择分类')],
+  title: [createRequiredRule('请输入子需求名称')],
   priority: [createRequiredRule('请选择优先级')],
   currentHandlerUserId: [createRequiredRule('请选择负责人')],
-  completionDate: [createRequiredRule('请选择预期完成时间')]
+  workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
 function createDefaultModel(): Model {
@@ -82,7 +80,7 @@ function createDefaultModel(): Model {
     category: '',
     priority: 1,
     currentHandlerUserId: '',
-    completionDate: '',
+    workHours: null,
     sort: 0
   };
 }
@@ -102,23 +100,26 @@ async function handleSubmit() {
     return;
   }
 
+  const proposerNickname = props.parentRequirement.proposerNickname || '';
+  const currentHandlerUserNickname = props.parentRequirement.currentHandlerUserNickname || '';
+
   const payload: Api.Product.SplitRequirementParams = {
     parentId: props.parentRequirement.id,
     productId: props.productId,
     moduleId: props.parentRequirement.moduleId,
     proposerId: props.parentRequirement.proposerId,
+    proposerNickname,
+    currentHandlerUserNickname,
     title: model.value.title.trim(),
     description: getNullableText(model.value.description),
     reviewRequired: model.value.reviewRequired as Api.Product.RequirementReviewRequired,
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Product.RequirementPriority,
     currentHandlerUserId: model.value.currentHandlerUserId,
-    completionDate: model.value.completionDate,
+    workHours: model.value.workHours || 0,
     sort: model.value.sort
   };
 
-  console.log('payload', payload);
-
   submitting.value = true;
 
   const result = await fetchSplitRequirement(payload);
@@ -143,6 +144,10 @@ watch(
 
     model.value = createDefaultModel();
 
+    if (props.parentRequirement?.category) {
+      model.value.category = props.parentRequirement.category;
+    }
+
     await nextTick();
     formRef.value?.clearValidate();
   }
@@ -169,32 +174,8 @@ watch(
     <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
       <ElRow :gutter="16">
         <ElCol :span="12">
-          <ElFormItem label="子需求标题" prop="title">
-            <ElInput v-model="model.title" clearable maxlength="256" placeholder="请输入子需求标题" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="预期完成时间" prop="completionDate" style="width: 100%">
-            <ElDatePicker
-              v-model="model.completionDate"
-              type="datetime"
-              class="w-full"
-              placeholder="选择预期完成时间"
-              value-format="x"
-              style="width: 100%"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="24">
-          <ElFormItem label="描述">
-            <ElInput
-              v-model="model.description"
-              type="textarea"
-              :rows="6"
-              maxlength="2000"
-              show-word-limit
-              placeholder="请输入需求描述"
-            />
+          <ElFormItem label="子需求名称" prop="title">
+            <ElInput v-model="model.title" clearable maxlength="256" placeholder="请输入子需求名称" />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
@@ -209,9 +190,16 @@ watch(
             </ElSelect>
           </ElFormItem>
         </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="分类" prop="category">
-            <DictSelect v-model="model.category" :dict-code="categoryDictCode" filterable placeholder="请选择分类" />
+        <ElCol :span="24">
+          <ElFormItem label="内容">
+            <ElInput
+              v-model="model.description"
+              type="textarea"
+              :rows="6"
+              maxlength="2000"
+              show-word-limit
+              placeholder="请输入需求内容"
+            />
           </ElFormItem>
         </ElCol>
         <ElCol :span="12">
@@ -235,6 +223,18 @@ watch(
             </ElSelect>
           </ElFormItem>
         </ElCol>
+        <ElCol :span="12">
+          <ElFormItem label="所需工时" prop="workHours">
+            <ElInputNumber
+              v-model="model.workHours"
+              class="w-full"
+              :min="0"
+              :max="9999"
+              :precision="1"
+              placeholder="请输入所需工时"
+            />
+          </ElFormItem>
+        </ElCol>
         <ElCol :span="12">
           <ElFormItem label="排序值">
             <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
diff --git a/src/views/system/user-management-relation/index.vue b/src/views/system/user-management-relation/index.vue
index 14b6d3f..4d9f0a2 100644
--- a/src/views/system/user-management-relation/index.vue
+++ b/src/views/system/user-management-relation/index.vue
@@ -22,7 +22,7 @@ import { useBoolean } from '@sa/hooks';
 import {
   fetchBatchDeleteUserManagementRelation,
   fetchDeleteUserManagementRelation,
-  fetchGetUserListByDeptId,
+  fetchGetUserListByDeptId, fetchGetUserManagementRelation,
   fetchGetUserManagementRelationQuery,
   fetchGetUserManagementRelationTree
 } from '@/service/api';
@@ -60,7 +60,7 @@ const { fromUserIndex = false, deptId = 100, orgType = 'company' } = defineProps
  * 当组织类型为部门、方向或团队时，隐藏母节点的编辑按钮
  */
 const shouldHideRootEdit = computed(() => {
-  return fromUserIndex && orgType !== 'company';
+  return fromUserIndex && orgType;
 });
 
 /**
@@ -134,10 +134,6 @@ async function loadTreeData() {
 
     if (!error) {
       treeData.value = data || [];
-      
-      // 数据加载完成后，展开前两层节点
-      await nextTick();
-      expandFirstTwoLevels();
     }
   } finally {
     loading.value = false;
@@ -168,18 +164,169 @@ async function loadTreeDataByQuery(query: Api.SystemManage.UserManagementRelatio
 /**
  * 刷新树形数据
  *
- * 清空选中状态并重新加载数据
+ * 从后端重新加载整个树数据
  */
 async function reloadTreeData() {
   // 保存当前展开状态
   saveExpandedState();
-  
+
   checkedNodeKeys.value = [];
   await loadTreeData();
+
+  // 等待 Vue 渲染树节点
+  await nextTick();
+  await nextTick();
+  await nextTick();
+
+  // 数据更新后恢复展开状态
+  await restoreExpandedState();
+
   await nextTick();
   relationTreeRef.value?.setCheckedKeys([]);
 }
 
+/**
+ * 在本地树数据中插入新节点
+ *
+ * 当从树节点新增时，直接在对应父节点下插入新节点，避免整棵树重新加载
+ *
+ * @param managerUserId 上级用户 ID（父节点）
+ * @param newRelationId 新增的关系 ID
+ */
+async function insertNodeLocally(managerUserId: string, newRelationId: string) {
+  // 从后端获取新增节点的详情
+  const { data: relationDetail, error } = await fetchGetUserManagementRelation(newRelationId);
+
+  if (error || !relationDetail) {
+    // 如果获取详情失败，降级为重新加载整棵树
+    await reloadTreeData();
+    return;
+  }
+
+  // 构建树节点数据
+  const newNode: Api.SystemManage.UserManagementRelationTreeRespVO = {
+    id: relationDetail.id,
+    userId: relationDetail.subordinateUserId || '',
+    userNickname: '',
+    managerUserId: relationDetail.managerUserId || '',
+    managerNickname: '',
+    children: []
+  };
+
+  // 在用户列表中查找下级用户的昵称
+  const subordinateUser = userList.value.find(u => u.id === relationDetail.subordinateUserId);
+  if (subordinateUser) {
+    newNode.userNickname = subordinateUser.nickname;
+  }
+
+  // 在用户列表中查找上级用户的昵称
+  const managerUser = userList.value.find(u => u.id === relationDetail.managerUserId);
+  if (managerUser) {
+    newNode.managerNickname = managerUser.nickname;
+  }
+
+  // 递归查找并插入节点
+  function insertIntoTree(nodes: Api.SystemManage.UserManagementRelationTreeRespVO[]): boolean {
+    for (const node of nodes) {
+      if (node.userId === managerUserId) {
+        // 找到父节点，插入新节点
+        if (!node.children) {
+          node.children = [];
+        }
+        node.children.push(newNode);
+        return true;
+      }
+
+      // 递归查找子节点
+      if (node.children && node.children.length > 0) {
+        if (insertIntoTree(node.children)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  const inserted = insertIntoTree(treeData.value);
+
+  if (!inserted) {
+    // 如果没有找到父节点，说明新增的是根节点，重新加载整棵树
+    await reloadTreeData();
+    return;
+  }
+
+  // 展开父节点
+  await nextTick();
+  const tree = relationTreeRef.value;
+  if (tree) {
+    const treeNode = tree.getNode(managerUserId);
+    if (treeNode && !treeNode.expanded) {
+      treeNode.expand();
+    }
+  }
+}
+
+/**
+ * 从本地树数据中删除节点
+ *
+ * 当删除节点时，直接从本地数据中移除，避免整棵树重新加载
+ *
+ * @param nodeToDelete 要删除的节点
+ */
+function removeNodeLocally(nodeToDelete: Api.SystemManage.UserManagementRelationTreeRespVO) {
+  // 递归查找并删除节点
+  function removeFromTree(nodes: Api.SystemManage.UserManagementRelationTreeRespVO[]): boolean {
+    const index = nodes.findIndex(n => n.userId === nodeToDelete.userId);
+
+    if (index !== -1) {
+      nodes.splice(index, 1);
+      return true;
+    }
+
+    // 递归查找子节点
+    for (const node of nodes) {
+      if (node.children && node.children.length > 0) {
+        if (removeFromTree(node.children)) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+
+  removeFromTree(treeData.value);
+}
+
+/**
+ * 展开树的所有节点
+ */
+async function expandAllNodes() {
+  await nextTick();
+  await nextTick();
+
+  const tree = relationTreeRef.value;
+  if (!tree || !treeData.value.length) {
+    return;
+  }
+
+  // 递归展开所有节点
+  function expandNodes(nodes: Api.SystemManage.UserManagementRelationTreeRespVO[]) {
+    for (const node of nodes) {
+      const treeNode = tree?.getNode(node.userId);
+      if (treeNode && !treeNode.expanded) {
+        treeNode.expand();
+      }
+
+      if (node.children && node.children.length > 0) {
+        expandNodes(node.children);
+      }
+    }
+  }
+
+  expandNodes(treeData.value);
+}
+
 /**
  * 处理搜索
  *
@@ -204,6 +351,9 @@ async function handleSearch() {
     await loadTreeData();
   }
 
+  // 搜索后展开所有节点
+  await expandAllNodes();
+
   await nextTick();
   relationTreeRef.value?.setCheckedKeys([]);
 }
@@ -213,9 +363,13 @@ async function handleSearch() {
  *
  * 清空搜索条件并重新加载数据
  */
-function resetSearchParams() {
+async function resetSearchParams() {
   Object.assign(searchParams, getInitSearchParams());
-  reloadTreeData();
+  
+  // 清空保存的展开状态，让 reloadTreeData 后展开前两层
+  expandedNodeKeys.value = [];
+  
+  await reloadTreeData();
 }
 
 // 对话框相关状态
@@ -236,10 +390,10 @@ const isAddFromTreeNode = ref(false);
  */
 function openAdd(item?: Api.SystemManage.UserManagementRelationTreeRespVO) {
   operateType.value = 'add';
-  
+
   // 如果是从树节点点击的新增按钮，标记为来自树节点
   isAddFromTreeNode.value = Boolean(item);
-  
+
   // 如果是从某一行的新增按钮触发，则默认上级为当前节点用户
   // 否则默认上级为当前登录用户（在对话框组件中处理）
   editingData.value = item
@@ -291,7 +445,9 @@ async function handleDelete(item: Api.SystemManage.UserManagementRelationTreeRes
   }
 
   window.$message?.success('删除成功');
-  await reloadTreeData();
+
+  // 使用局部删除，保持树的展开状态
+  removeNodeLocally(item);
 }
 
 /**
@@ -304,6 +460,23 @@ async function handleBatchDelete() {
     return;
   }
 
+  // 保存要删除的节点数据（用于局部删除）
+  const nodesToDelete: Api.SystemManage.UserManagementRelationTreeRespVO[] = [];
+
+  // 递归查找选中的节点
+  function collectCheckedNodes(nodes: Api.SystemManage.UserManagementRelationTreeRespVO[], keys: string[]) {
+    for (const node of nodes) {
+      if (keys.includes(node.userId)) {
+        nodesToDelete.push(node);
+      }
+      if (node.children && node.children.length > 0) {
+        collectCheckedNodes(node.children, keys);
+      }
+    }
+  }
+
+  collectCheckedNodes(treeData.value, checkedNodeKeys.value);
+
   const { error } = await fetchBatchDeleteUserManagementRelation(checkedNodeKeys.value);
 
   if (error) {
@@ -311,7 +484,11 @@ async function handleBatchDelete() {
   }
 
   window.$message?.success('删除成功');
-  await reloadTreeData();
+
+  // 使用局部删除，保持树的展开状态
+  for (const node of nodesToDelete) {
+    removeNodeLocally(node);
+  }
 }
 
 /**
@@ -361,45 +538,24 @@ function saveExpandedState() {
  *
  * @param relationId 提交后的关系 ID
  */
-async function handleSubmitted(_relationId: string) {
+async function handleSubmitted(relationId: string) {
   closeOperateModal();
-  await reloadTreeData();
-  
-  // 操作完成后恢复树节点的展开状态
-  await restoreExpandedState();
-  
+
+  // 如果是从树节点新增，使用局部插入
+  if (operateType.value === 'add' && isAddFromTreeNode.value && editingData.value?.managerUserId) {
+    await insertNodeLocally(editingData.value.managerUserId, relationId);
+  } else {
+    // 其他情况（头部新增、编辑）重新加载整棵树
+    await reloadTreeData();
+  }
+
   // 重置标记
   isAddFromTreeNode.value = false;
 }
 
-/**
- * 展开所有子节点（递归）
- * 
- * @param tree 树形组件实例
- * @param nodes 节点数据数组
- */
-function expandNodes(tree: InstanceType<typeof ElTree>, nodes: Api.SystemManage.UserManagementRelationTreeRespVO[]) {
-  if (!tree || !nodes || !nodes.length) {
-    return;
-  }
-
-  for (const node of nodes) {
-    // 展开当前节点
-    const treeNode = tree.getNode(node.userId);
-    if (treeNode) {
-      treeNode.expand();
-    }
-    
-    // 递归展开子节点
-    if (node.children && node.children.length > 0) {
-      expandNodes(tree, node.children);
-    }
-  }
-}
-
 /**
  * 展开树的前两层节点
- * 
+ *
  * 只展开根节点和它们的直接子节点，第三层及更深层保持折叠
  */
 function expandFirstTwoLevels() {
@@ -414,7 +570,7 @@ function expandFirstTwoLevels() {
     if (treeNode) {
       treeNode.expand();
     }
-    
+
     // 展开第二层（根节点的直接子节点）
     if (rootNode.children && rootNode.children.length > 0) {
       for (const childNode of rootNode.children) {
@@ -429,23 +585,29 @@ function expandFirstTwoLevels() {
 
 /**
  * 恢复树节点的展开状态
- * 
+ *
  * 根据之前保存的展开状态，恢复对应的节点展开
  */
 async function restoreExpandedState() {
   await nextTick();
-  
+  await nextTick();
+
   const tree = relationTreeRef.value;
-  if (!tree || !expandedNodeKeys.value.length) {
+  if (!tree) {
     return;
   }
 
-  // 恢复之前展开的节点
-  for (const key of expandedNodeKeys.value) {
-    const node = tree.getNode(key);
-    if (node) {
-      node.expand();
+  if (expandedNodeKeys.value.length > 0) {
+    // 恢复之前展开的节点
+    for (const key of expandedNodeKeys.value) {
+      const node = tree.getNode(key);
+      if (node && !node.expanded) {
+        node.expand();
+      }
     }
+  } else {
+    // 如果是首次加载或没有保存的状态，展开前两层
+    expandFirstTwoLevels();
   }
 }
 
diff --git a/src/views/system/user-management-relation/modules/relation-operate-dialog.vue b/src/views/system/user-management-relation/modules/relation-operate-dialog.vue
index 15916c2..40b46ef 100644
--- a/src/views/system/user-management-relation/modules/relation-operate-dialog.vue
+++ b/src/views/system/user-management-relation/modules/relation-operate-dialog.vue
@@ -20,6 +20,7 @@
 import { computed, nextTick, ref, watch } from 'vue';
 import {
   fetchCreateUserManagementRelation,
+  fetchGetCandidateSubordinateUsers,
   fetchGetUserManagementRelation,
   fetchUpdateUserManagementRelation
 } from '@/service/api';
@@ -73,9 +74,40 @@ const authStore = useAuthStore();
 const detailLoading = ref(false);
 const submitting = ref(false);
 
+// 候选下级用户列表
+const candidateSubordinateUsers = ref<Api.SystemManage.UserSimple[]>([]);
+
 // 计算属性：是否为编辑模式
 const isEdit = computed(() => props.operateType === 'edit');
 
+/**
+ * 加载候选下级用户列表
+ * 
+ * 获取所有还未绑定上级的用户，用于新增时的下级用户下拉框
+ */
+async function loadCandidateSubordinateUsers() {
+  const { error, data } = await fetchGetCandidateSubordinateUsers();
+  
+  if (error) {
+    candidateSubordinateUsers.value = [];
+    return;
+  }
+
+  candidateSubordinateUsers.value = data || [];
+}
+
+/**
+ * 计算下级用户下拉框选项
+ * 
+ * 新增模式使用候选下级用户列表，编辑模式使用所有用户列表
+ */
+const subordinateUserOptions = computed<Api.SystemManage.UserSimple[]>(() => {
+  if (isEdit.value) {
+    return props.userList;
+  }
+  return candidateSubordinateUsers.value;
+});
+
 /**
  * 计算对话框标题
  */
@@ -281,11 +313,16 @@ async function handleSubmit() {
 /**
  * 监听对话框可见性
  *
- * 打开时初始化表单
+ * 打开时初始化表单并加载候选用户
  */
-watch(visible, value => {
+watch(visible, async value => {
   if (value) {
     initModel();
+    
+    // 如果是新增模式，加载候选下级用户（每次打开都重新加载，避免缓存）
+    if (!isEdit.value) {
+      await loadCandidateSubordinateUsers();
+    }
   }
 });
 </script>
@@ -324,7 +361,7 @@ watch(visible, value => {
               filterable
               :disabled="isEdit"
             >
-              <ElOption v-for="user in props.userList" :key="user.id" :label="user.nickname" :value="user.id" />
+              <ElOption v-for="user in subordinateUserOptions" :key="user.id" :label="user.nickname" :value="user.id" />
             </ElSelect>
           </ElFormItem>
         </ElCol>