diff --git a/src/service/api/product.ts b/src/service/api/product.ts
index 62c95f1..18dd8db 100644
--- a/src/service/api/product.ts
+++ b/src/service/api/product.ts
@@ -183,7 +183,14 @@ const REQUIREMENT_PREFIX = `${WEB_SERVICE_PREFIX}/project/product/requirement`;
 
 type RequirementResponse = Omit<
   Api.Product.Requirement,
-  'id' | 'parentId' | 'moduleId' | 'proposerId' | 'currentHandlerUserId' | 'implementProjectId' | 'sourceBizId'
+  | 'id'
+  | 'parentId'
+  | 'moduleId'
+  | 'proposerId'
+  | 'currentHandlerUserId'
+  | 'implementProjectId'
+  | 'sourceBizId'
+  | 'attachments'
 > & {
   id: string | number;
   parentId: string | number;
@@ -193,11 +200,32 @@ type RequirementResponse = Omit<
   implementProjectId?: string | number | null;
   implementProjectName?: string | null;
   sourceBizId?: string | number | null;
+  attachments?: AttachmentItemResponse[] | null;
   children?: RequirementResponse[];
 };
 
 type RequirementPageResponse = Api.Product.PageResult<RequirementResponse>;
 
+type AttachmentItemResponse = Omit<Api.Project.AttachmentItem, 'fileId'> & {
+  fileId?: string | number;
+  id?: string | number;
+};
+
+function normalizeAttachments(list?: AttachmentItemResponse[] | null): Api.Project.AttachmentItem[] | null {
+  if (!list) {
+    return null;
+  }
+
+  return list.map(item => {
+    const rawId = item.fileId ?? item.id;
+
+    return {
+      ...item,
+      fileId: rawId === null || rawId === undefined ? '' : String(rawId)
+    };
+  });
+}
+
 function normalizeRequirement(requirement: RequirementResponse): Api.Product.Requirement {
   return {
     ...requirement,
@@ -209,6 +237,7 @@ function normalizeRequirement(requirement: RequirementResponse): Api.Product.Req
     implementProjectId: normalizeNullableStringId(requirement.implementProjectId),
     implementProjectName: requirement.implementProjectName ?? null,
     sourceBizId: normalizeNullableStringId(requirement.sourceBizId),
+    attachments: normalizeAttachments(requirement.attachments),
     children: requirement.children?.map(normalizeRequirement)
   };
 }
diff --git a/src/service/api/project.ts b/src/service/api/project.ts
index ac6d894..721120b 100644
--- a/src/service/api/project.ts
+++ b/src/service/api/project.ts
@@ -744,7 +744,7 @@ const PROJECT_REQUIREMENT_PREFIX = `${WEB_SERVICE_PREFIX}/project/project/requir
 
 type ProjectRequirementResponse = Omit<
   Api.Project.ProjectRequirement,
-  'id' | 'projectId' | 'parentId' | 'moduleId' | 'proposerId' | 'currentHandlerUserId' | 'sourceBizId'
+  'id' | 'projectId' | 'parentId' | 'moduleId' | 'proposerId' | 'currentHandlerUserId' | 'sourceBizId' | 'attachments'
 > & {
   id: string | number;
   projectId: string | number;
@@ -753,6 +753,7 @@ type ProjectRequirementResponse = Omit<
   proposerId: string | number;
   currentHandlerUserId?: string | number | null;
   sourceBizId?: string | number | null;
+  attachments?: AttachmentItemResponse[] | null;
   children?: ProjectRequirementResponse[];
 };
 
@@ -765,6 +766,26 @@ type ProjectRequirementModuleResponse = Omit<Api.Project.ProjectRequirementModul
   children?: ProjectRequirementModuleResponse[];
 };
 
+type AttachmentItemResponse = Omit<Api.Project.AttachmentItem, 'fileId'> & {
+  fileId?: string | number;
+  id?: string | number;
+};
+
+function normalizeAttachments(list?: AttachmentItemResponse[] | null): Api.Project.AttachmentItem[] | null {
+  if (!list) {
+    return null;
+  }
+
+  return list.map(item => {
+    const rawId = item.fileId ?? item.id;
+
+    return {
+      ...item,
+      fileId: rawId === null || rawId === undefined ? '' : String(rawId)
+    };
+  });
+}
+
 function normalizeProjectRequirement(requirement: ProjectRequirementResponse): Api.Project.ProjectRequirement {
   return {
     ...requirement,
@@ -775,6 +796,7 @@ function normalizeProjectRequirement(requirement: ProjectRequirementResponse): A
     proposerId: normalizeStringId(requirement.proposerId),
     currentHandlerUserId: normalizeNullableStringId(requirement.currentHandlerUserId),
     sourceBizId: normalizeNullableStringId(requirement.sourceBizId),
+    attachments: normalizeAttachments(requirement.attachments),
     children: requirement.children?.map(normalizeProjectRequirement)
   };
 }
diff --git a/src/typings/api/product.d.ts b/src/typings/api/product.d.ts
index 2edd3c9..bc7fef8 100644
--- a/src/typings/api/product.d.ts
+++ b/src/typings/api/product.d.ts
@@ -270,6 +270,8 @@ declare namespace Api {
       title: string;
       /** 需求内容（富文本） */
       description?: string | null;
+      /** 附件列表 */
+      attachments?: Api.Project.AttachmentItem[] | null;
       /** 需求类型字典值 */
       category: string;
       /** 需求类型名称 */
@@ -391,6 +393,7 @@ declare namespace Api {
       | 'reviewRequired'
       | 'title'
       | 'description'
+      | 'attachments'
       | 'category'
       | 'priority'
       | 'proposerId'
@@ -430,6 +433,7 @@ declare namespace Api {
       | 'reviewRequired'
       | 'title'
       | 'description'
+      | 'attachments'
       | 'category'
       | 'priority'
       | 'proposerId'
diff --git a/src/typings/api/project.d.ts b/src/typings/api/project.d.ts
index 2389b40..daf3fa2 100644
--- a/src/typings/api/project.d.ts
+++ b/src/typings/api/project.d.ts
@@ -635,6 +635,8 @@ declare namespace Api {
       title: string;
       /** 需求描述 */
       description?: string | null;
+      /** 附件列表 */
+      attachments?: AttachmentItem[] | null;
       /** 需求分类字典值 */
       category: string;
       /** 需求分类名称 */
@@ -744,6 +746,7 @@ declare namespace Api {
       | 'reviewRequired'
       | 'title'
       | 'description'
+      | 'attachments'
       | 'category'
       | 'priority'
       | 'proposerId'
@@ -781,6 +784,7 @@ declare namespace Api {
       | 'reviewRequired'
       | 'title'
       | 'description'
+      | 'attachments'
       | 'category'
       | 'priority'
       | 'proposerId'
diff --git a/src/views/product/requirement/modules/module-tree-node.vue b/src/views/product/requirement/modules/module-tree-node.vue
index 25f3e13..541b6b4 100644
--- a/src/views/product/requirement/modules/module-tree-node.vue
+++ b/src/views/product/requirement/modules/module-tree-node.vue
@@ -125,7 +125,9 @@ function handleToggle() {
         <icon-mdi-folder-outline v-else class="text-16px" />
       </div>
       <div class="module-tree-item__content">
-        <span v-if="!isEditing" class="module-tree-item__label">{{ module.moduleName }}</span>
+        <ElTooltip v-if="!isEditing" :content="module.moduleName" placement="top" :show-after="500">
+          <span class="module-tree-item__label">{{ module.moduleName }}</span>
+        </ElTooltip>
         <ElInput
           v-else
           :model-value="editingName"
diff --git a/src/views/product/requirement/modules/requirement-create-dialog.vue b/src/views/product/requirement/modules/requirement-create-dialog.vue
index f8bfcdb..5e3d2f3 100644
--- a/src/views/product/requirement/modules/requirement-create-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-create-dialog.vue
@@ -1,9 +1,12 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import { fetchCreateRequirement, fetchGetRequirementModuleTree } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import DictSelect from '@/components/custom/dict-select.vue';
 import MemberSelectOption from './member-select-option.vue';
@@ -32,9 +35,11 @@ const visible = defineModel<boolean>('visible', {
 
 const { formRef, validate } = useForm();
 const { createRequiredRule } = useFormRules();
-
 const { enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -44,7 +49,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   moduleId: string;
   category: string;
@@ -58,7 +64,6 @@ interface Model {
 const submitting = ref(false);
 const loading = ref(false);
 const moduleTree = ref<Api.Product.RequirementModule[]>([]);
-
 const model = ref<Model>(createDefaultModel());
 
 const memberUserOptions = computed(() => {
@@ -102,10 +107,41 @@ const rules = {
   workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     moduleId: props.defaultModuleId || '0',
     category: '功能需求',
@@ -117,10 +153,6 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 function closeDialog() {
   visible.value = false;
 }
@@ -132,6 +164,11 @@ async function handleSubmit() {
     return;
   }
 
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    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);
@@ -142,7 +179,8 @@ async function handleSubmit() {
     moduleId: model.value.moduleId || '0',
     reviewRequired: model.value.reviewRequired as Api.Product.RequirementReviewRequired,
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Product.RequirementPriority,
     proposerId: model.value.proposerId,
@@ -164,6 +202,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('需求新增成功');
   closeDialog();
   emit('submitted');
@@ -175,8 +215,12 @@ async function loadModuleTree() {
     return;
   }
 
+  loading.value = true;
+
   const { error, data } = await fetchGetRequirementModuleTree(props.productId);
 
+  loading.value = false;
+
   if (error || !data) {
     moduleTree.value = [];
     return;
@@ -196,6 +240,8 @@ watch(
     await loadModuleTree();
 
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -205,112 +251,150 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     title="新增需求"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
     :loading="loading"
     :confirm-loading="submitting"
     @confirm="handleSubmit"
   >
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <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">
-          <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="24">
-          <ElFormItem label="内容">
-            <BusinessRichTextEditor
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              placeholder="请输入需求内容"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="是否需要评审">
-            <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
-              <ElOption
-                v-for="item in reviewRequiredOptions"
-                :key="item.value"
-                :label="item.label"
-                :value="item.value"
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="需求信息">
+            <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>
+
+            <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>
+
+            <ElFormItem label="是否需要评审">
+              <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
+                <ElOption
+                  v-for="item in reviewRequiredOptions"
+                  :key="item.value"
+                  :label="item.label"
+                  :value="item.value"
+                />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <ElSelect 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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <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"
               />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="优先级" prop="priority">
-            <ElSelect 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" />
-            </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="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">
-          <ElFormItem label="提出人" prop="proposerId">
-            <ElSelect 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>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="负责人" prop="currentHandlerUserId">
-            <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <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>
-          </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" />
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+            </ElFormItem>
+
+            <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>
+
+            <ElFormItem label="提出人" prop="proposerId">
+              <ElSelect 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>
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
+                <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>
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
-<style scoped></style>
+<style scoped>
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
+</style>
diff --git a/src/views/product/requirement/modules/requirement-detail-dialog.vue b/src/views/product/requirement/modules/requirement-detail-dialog.vue
index 9d05af5..2d81b0e 100644
--- a/src/views/product/requirement/modules/requirement-detail-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-detail-dialog.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import {
   fetchGetProjectListByProductId,
   fetchGetRequirement,
@@ -8,7 +9,9 @@ import {
 } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import ReadonlyField from '@/components/custom/readonly-field.vue';
 import MemberSelectOption from './member-select-option.vue';
@@ -44,6 +47,9 @@ const { createRequiredRule } = useFormRules();
 const { getLabel: getCategoryLabel } = useDict(() => props.categoryDictCode);
 const { getLabel: getPriorityLabel, enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -53,7 +59,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   moduleId: string;
   category: string;
@@ -72,7 +79,6 @@ const loading = ref(false);
 const submitting = ref(false);
 const moduleTree = ref<Api.Product.RequirementModule[]>([]);
 const projectOptions = ref<Api.Project.Project[]>([]);
-
 const model = ref<Model>(createDefaultModel());
 
 const isViewMode = computed(() => props.mode === 'view');
@@ -81,6 +87,7 @@ const dialogTitle = computed(() => {
   if (isViewMode.value) {
     return '查看需求';
   }
+
   return '编辑需求';
 });
 
@@ -152,10 +159,41 @@ const rules = computed(() => {
   return baseRules;
 });
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     moduleId: '0',
     category: '',
@@ -171,10 +209,6 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 function closeDialog() {
   visible.value = false;
 }
@@ -186,6 +220,13 @@ async function handleSubmit() {
     return;
   }
 
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    return;
+  }
+
+  const handler = memberUserOptions.value.find(item => item.userId === model.value.currentHandlerUserId);
+
   submitting.value = true;
 
   const updatePayload: Api.Product.UpdateRequirementParams = {
@@ -194,13 +235,14 @@ async function handleSubmit() {
     moduleId: model.value.moduleId || '0',
     reviewRequired: model.value.reviewRequired as Api.Product.RequirementReviewRequired,
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     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,
+    currentHandlerUserNickname: handler?.userNickname || model.value.currentHandlerUserNickname,
     implementProjectId: model.value.implementProjectId,
     workHours: model.value.workHours || 0,
     sort: model.value.sort
@@ -214,6 +256,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('需求更新成功');
   closeDialog();
   emit('submitted', props.requirement.id);
@@ -251,24 +295,11 @@ async function loadProjectOptions() {
   projectOptions.value = data;
 }
 
-async function loadRequirementDetail() {
-  if (!props.productId || !props.requirement?.id) {
-    return;
-  }
-
-  loading.value = true;
-
-  const { error, data } = await fetchGetRequirement(props.requirement.id, props.productId);
-
-  loading.value = false;
-
-  if (error || !data) {
-    return;
-  }
-
-  model.value = {
+function transformRequirementData(data: Api.Product.Requirement): typeof model.value {
+  return {
     title: data.title || '',
-    description: data.description || '',
+    description: data.description || null,
+    attachments: data.attachments ? [...data.attachments] : [],
     reviewRequired: data.reviewRequired ?? 0,
     moduleId: data.moduleId || '0',
     category: data.category || '',
@@ -284,6 +315,24 @@ async function loadRequirementDetail() {
   };
 }
 
+async function loadRequirementDetail() {
+  if (!props.productId || !props.requirement?.id) {
+    return;
+  }
+
+  loading.value = true;
+
+  const { error, data } = await fetchGetRequirement(props.requirement.id, props.productId);
+
+  loading.value = false;
+
+  if (error || !data) {
+    return;
+  }
+
+  model.value = transformRequirementData(data);
+}
+
 watch(
   () => visible.value,
   async value => {
@@ -295,9 +344,13 @@ watch(
 
     if (props.requirement?.id) {
       await loadRequirementDetail();
+    } else {
+      model.value = createDefaultModel();
     }
 
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -307,130 +360,172 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     :title="dialogTitle"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
     :loading="loading"
     :confirm-loading="submitting"
-    :show-footer="isEditMode"
     @confirm="handleSubmit"
   >
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <ElFormItem label="需求名称" prop="title">
-            <ReadonlyField :value="model.title" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="模块">
-            <template v-if="isViewMode">
-              <ReadonlyField :value="moduleLabelMap.get(model.moduleId) || '--'" />
-            </template>
-            <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="24">
-          <ElFormItem label="内容">
-            <template v-if="isViewMode">
-              <div class="readonly-textarea" v-html="model.description || '--'"></div>
-            </template>
-            <BusinessRichTextEditor
-              v-else
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              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="优先级" prop="priority">
-            <template v-if="isViewMode">
-              <ReadonlyField
-                :value="model.priority !== null ? getPriorityLabel(String(model.priority)) || '--' : '--'"
+    <template v-if="isViewMode" #footer="{ close }">
+      <ElButton type="primary" @click="close">关闭</ElButton>
+    </template>
+
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="需求信息">
+            <ElFormItem label="需求名称" prop="title">
+              <ReadonlyField :value="model.title" />
+            </ElFormItem>
+
+            <ElFormItem label="模块">
+              <template v-if="isViewMode">
+                <ReadonlyField :value="moduleLabelMap.get(model.moduleId) || '--'" />
+              </template>
+              <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>
+
+            <ElFormItem label="是否需要评审">
+              <ReadonlyField :value="reviewRequiredOptions.find(opt => opt.value === model.reviewRequired)?.label" />
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <template v-if="isViewMode">
+                <ReadonlyField
+                  :value="model.priority !== null ? getPriorityLabel(String(model.priority)) || '--' : '--'"
+                />
+              </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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="所需工时">
+              <template v-if="isViewMode">
+                <ReadonlyField :value="model.workHours != null ? `${model.workHours}小时` : '--'" />
+              </template>
+              <ElInputNumber
+                v-else
+                v-model="model.workHours"
+                class="w-full"
+                :min="0"
+                :max="9999"
+                :precision="1"
+                placeholder="请输入所需工时"
               />
-            </template>
-            <ElSelect v-else v-model="model.priority" class="w-full" filterable placeholder="请选择优先级">
-              <ElOption v-for="item in priorityOptions" :key="item.value" :label="item.label" :value="item.value" />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="所需工时">
-            <template v-if="isViewMode">
-              <ReadonlyField :value="model.workHours != null ? `${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 :span="12">
-          <ElFormItem label="需求类型" prop="category">
-            <ReadonlyField :value="getCategoryLabel(model.category) || '--'" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="提出人" prop="proposerId">
-            <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) || '--'" />
-            </template>
-            <ElSelect v-else v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <ElOption
-                v-for="item in memberUserOptions"
-                :key="item.userId"
-                :label="item.userNickname"
-                :value="item.userId"
+            </ElFormItem>
+
+            <ElFormItem label="需求类型" prop="category">
+              <ReadonlyField :value="getCategoryLabel(model.category) || '--'" />
+            </ElFormItem>
+
+            <ElFormItem label="提出人" prop="proposerId">
+              <ReadonlyField :value="memberLabelMap.get(model.proposerId) || '--'" />
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <template v-if="isViewMode">
+                <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"
               >
-                <MemberSelectOption :nickname="item.userNickname" :role-name="item.roleName" />
-              </ElOption>
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol v-if="isViewMode" :span="12">
-          <ElFormItem label="实现项目">
-            <ReadonlyField :value="projectOptionsMap.get(model.implementProjectId || '') || '--'" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="排序值">
-            <template v-if="isViewMode">
-              <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" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol v-if="isViewMode && model.lastStatusReason" :span="24">
-          <ElFormItem label="状态变更原因">
-            <div class="readonly-textarea">
-              {{ model.lastStatusReason }}
-            </div>
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+                <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>
+            </ElFormItem>
+
+            <ElFormItem v-if="isViewMode" label="实现项目">
+              <ReadonlyField :value="projectOptionsMap.get(model.implementProjectId || '') || '--'" />
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <template v-if="isViewMode">
+                <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"
+              />
+            </ElFormItem>
+
+            <ElFormItem v-if="isViewMode && model.lastStatusReason" label="状态变更原因">
+              <div class="requirement-operate-dialog__readonly-textarea">{{ model.lastStatusReason }}</div>
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :disabled="isViewMode"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+                :disabled="isViewMode"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
 <style scoped>
-.readonly-textarea {
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+.requirement-operate-dialog__readonly-textarea {
   box-sizing: border-box;
   width: 100%;
   min-height: 100px;
@@ -444,4 +539,10 @@ watch(
   white-space: pre-wrap;
   word-break: break-all;
 }
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
 </style>
diff --git a/src/views/product/requirement/modules/requirement-module-tree.vue b/src/views/product/requirement/modules/requirement-module-tree.vue
index 32e6310..05d5212 100644
--- a/src/views/product/requirement/modules/requirement-module-tree.vue
+++ b/src/views/product/requirement/modules/requirement-module-tree.vue
@@ -268,10 +268,12 @@ defineExpose({
 </script>
 
 <template>
-  <div class="requirement-module-tree-wrapper">
-    <div class="module-tree-header">
-      <span class="module-tree-header__title">模块</span>
-    </div>
+  <ElCard class="requirement-module-tree-card card-wrapper">
+    <template #header>
+      <div class="module-tree-header">
+        <span class="module-tree-header__title">模块</span>
+      </div>
+    </template>
 
     <div class="module-tree-list">
       <template v-for="data in moduleTree" :key="data.id">
@@ -298,14 +300,23 @@ defineExpose({
         />
       </template>
     </div>
-  </div>
+  </ElCard>
 </template>
 
 <style scoped>
-.requirement-module-tree-wrapper {
-  display: flex;
-  flex-direction: column;
-  gap: 14px;
+.requirement-module-tree-card {
+  height: 100%;
+}
+
+.requirement-module-tree-card :deep(.el-card__header) {
+  padding: 12px 16px;
+  border-bottom: none;
+}
+
+.requirement-module-tree-card :deep(.el-card__body) {
+  padding: 0 16px 16px;
+  height: calc(100% - 48px);
+  overflow: hidden;
 }
 
 .module-tree-header {
@@ -316,7 +327,7 @@ defineExpose({
 
 .module-tree-header__title {
   color: rgb(15 23 42 / 94%);
-  font-size: 15px;
+  font-size: 16px;
   font-weight: 700;
 }
 
@@ -325,6 +336,8 @@ defineExpose({
   flex-direction: column;
   gap: 10px;
   min-height: 0;
+  height: 100%;
+  overflow-y: auto;
 }
 
 .module-tree-item {
diff --git a/src/views/product/requirement/modules/requirement-split-dialog.vue b/src/views/product/requirement/modules/requirement-split-dialog.vue
index bb9b0c1..a72d508 100644
--- a/src/views/product/requirement/modules/requirement-split-dialog.vue
+++ b/src/views/product/requirement/modules/requirement-split-dialog.vue
@@ -1,9 +1,12 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import { fetchSplitRequirement } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import MemberSelectOption from './member-select-option.vue';
 
@@ -31,9 +34,11 @@ const visible = defineModel<boolean>('visible', {
 
 const { formRef, validate } = useForm();
 const { createRequiredRule } = useFormRules();
-
 const { enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -43,7 +48,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   category: string;
   priority: number | null;
@@ -54,7 +60,6 @@ interface Model {
 
 const submitting = ref(false);
 const loading = ref(false);
-
 const model = ref<Model>(createDefaultModel());
 
 const memberUserOptions = computed(() => {
@@ -73,10 +78,41 @@ const rules = {
   workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     category: '',
     priority: 1,
@@ -86,10 +122,6 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 function closeDialog() {
   visible.value = false;
 }
@@ -101,18 +133,23 @@ async function handleSubmit() {
     return;
   }
 
-  const proposerNickname = props.parentRequirement.proposerNickname || '';
-  const currentHandlerUserNickname = props.parentRequirement.currentHandlerUserNickname || '';
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    return;
+  }
+
+  const handler = memberUserOptions.value.find(item => item.userId === model.value.currentHandlerUserId);
 
   const payload: Api.Product.SplitRequirementParams = {
     parentId: props.parentRequirement.id,
     productId: props.productId,
     moduleId: props.parentRequirement.moduleId,
     proposerId: props.parentRequirement.proposerId,
-    proposerNickname,
-    currentHandlerUserNickname,
+    proposerNickname: props.parentRequirement.proposerNickname || '',
+    currentHandlerUserNickname: handler?.userNickname || '',
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     reviewRequired: model.value.reviewRequired as Api.Product.RequirementReviewRequired,
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Product.RequirementPriority,
@@ -131,6 +168,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('需求拆分成功');
   closeDialog();
   emit('submitted');
@@ -149,12 +188,13 @@ watch(
       model.value.category = props.parentRequirement.category;
     }
 
-    // 默认选中父需求的负责人
     if (props.parentRequirement?.currentHandlerUserId) {
       model.value.currentHandlerUserId = props.parentRequirement.currentHandlerUserId;
     }
 
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -164,7 +204,8 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     title="拆分需求"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
     :loading="loading"
     :confirm-loading="submitting"
     @confirm="handleSubmit"
@@ -177,76 +218,116 @@ watch(
       class="mb-16px"
     />
 
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <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">
-          <ElFormItem label="是否需要评审">
-            <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
-              <ElOption
-                v-for="item in reviewRequiredOptions"
-                :key="item.value"
-                :label="item.label"
-                :value="item.value"
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="子需求信息">
+            <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>
+
+            <ElFormItem label="是否需要评审">
+              <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
+                <ElOption
+                  v-for="item in reviewRequiredOptions"
+                  :key="item.value"
+                  :label="item.label"
+                  :value="item.value"
+                />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <ElSelect 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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <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"
               />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="24">
-          <ElFormItem label="内容">
-            <BusinessRichTextEditor
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              placeholder="请输入需求内容"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="优先级" prop="priority">
-            <ElSelect 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" />
-            </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="负责人" prop="currentHandlerUserId">
-            <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <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>
-          </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" />
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
+                <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>
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
-<style scoped></style>
+<style scoped>
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
+</style>
diff --git a/src/views/project/project/requirement/modules/module-tree-node.vue b/src/views/project/project/requirement/modules/module-tree-node.vue
index 64a979d..8b2e6ef 100644
--- a/src/views/project/project/requirement/modules/module-tree-node.vue
+++ b/src/views/project/project/requirement/modules/module-tree-node.vue
@@ -108,7 +108,9 @@ function handleToggle() {
         <icon-mdi-folder-outline v-else class="text-16px" />
       </div>
       <div class="module-tree-item__content">
-        <span v-if="!isEditing" class="module-tree-item__label">{{ module.moduleName }}</span>
+        <ElTooltip v-if="!isEditing" :content="module.moduleName" placement="top" :show-after="500">
+          <span class="module-tree-item__label">{{ module.moduleName }}</span>
+        </ElTooltip>
         <ElInput
           v-else
           :model-value="editingName"
diff --git a/src/views/project/project/requirement/modules/requirement-create-dialog.vue b/src/views/project/project/requirement/modules/requirement-create-dialog.vue
index 8bc9120..2472603 100644
--- a/src/views/project/project/requirement/modules/requirement-create-dialog.vue
+++ b/src/views/project/project/requirement/modules/requirement-create-dialog.vue
@@ -1,9 +1,12 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import { fetchCreateProjectRequirement, fetchGetProjectRequirementModuleTree } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import DictSelect from '@/components/custom/dict-select.vue';
 import MemberSelectOption from './member-select-option.vue';
@@ -34,6 +37,9 @@ const { formRef, validate } = useForm();
 const { createRequiredRule } = useFormRules();
 const { enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -43,7 +49,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   moduleId: string;
   category: string;
@@ -55,6 +62,7 @@ interface Model {
 }
 
 const moduleTree = ref<Api.Project.ProjectRequirementModule[]>([]);
+const loading = ref(false);
 const submitting = ref(false);
 const model = ref<Model>(createDefaultModel());
 
@@ -98,10 +106,41 @@ const rules = {
   workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     moduleId: props.defaultModuleId || '0',
     category: '功能需求',
@@ -113,18 +152,18 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 async function loadModuleTree() {
   if (!props.projectId) {
     moduleTree.value = [];
     return;
   }
 
+  loading.value = true;
+
   const { error, data } = await fetchGetProjectRequirementModuleTree(props.projectId);
 
+  loading.value = false;
+
   if (error || !data) {
     moduleTree.value = [];
     return;
@@ -140,6 +179,11 @@ async function handleSubmit() {
     return;
   }
 
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    return;
+  }
+
   const proposer = memberUserOptions.value.find(item => item.userId === model.value.proposerId);
   const handler = memberUserOptions.value.find(item => item.userId === model.value.currentHandlerUserId);
 
@@ -148,7 +192,8 @@ async function handleSubmit() {
     moduleId: model.value.moduleId || '0',
     reviewRequired: model.value.reviewRequired as Api.Project.ProjectRequirementReviewRequired,
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Project.ProjectRequirementPriority,
     proposerId: model.value.proposerId,
@@ -169,6 +214,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('项目需求新增成功');
   visible.value = false;
   emit('submitted');
@@ -184,6 +231,8 @@ watch(
     model.value = createDefaultModel();
     await loadModuleTree();
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -193,111 +242,150 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     title="新增项目需求"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
+    :loading="loading"
     :confirm-loading="submitting"
     @confirm="handleSubmit"
   >
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <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">
-          <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="24">
-          <ElFormItem label="内容">
-            <BusinessRichTextEditor
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              placeholder="请输入需求内容"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="是否需要评审">
-            <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
-              <ElOption
-                v-for="item in reviewRequiredOptions"
-                :key="item.value"
-                :label="item.label"
-                :value="item.value"
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="需求信息">
+            <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>
+
+            <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>
+
+            <ElFormItem label="是否需要评审">
+              <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
+                <ElOption
+                  v-for="item in reviewRequiredOptions"
+                  :key="item.value"
+                  :label="item.label"
+                  :value="item.value"
+                />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <ElSelect 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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <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"
               />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="优先级" prop="priority">
-            <ElSelect 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" />
-            </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="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">
-          <ElFormItem label="提出人" prop="proposerId">
-            <ElSelect 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>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="负责人" prop="currentHandlerUserId">
-            <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <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>
-          </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" />
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+            </ElFormItem>
+
+            <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>
+
+            <ElFormItem label="提出人" prop="proposerId">
+              <ElSelect 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>
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
+                <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>
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
-<style scoped></style>
+<style scoped>
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
+</style>
diff --git a/src/views/project/project/requirement/modules/requirement-detail-dialog.vue b/src/views/project/project/requirement/modules/requirement-detail-dialog.vue
index 8ea8dca..e5c1363 100644
--- a/src/views/project/project/requirement/modules/requirement-detail-dialog.vue
+++ b/src/views/project/project/requirement/modules/requirement-detail-dialog.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import {
   fetchGetProjectRequirement,
   fetchGetProjectRequirementModuleTree,
@@ -7,7 +8,9 @@ import {
 } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import ReadonlyField from '@/components/custom/readonly-field.vue';
 import MemberSelectOption from './member-select-option.vue';
@@ -42,6 +45,9 @@ const { createRequiredRule } = useFormRules();
 const { getLabel: getCategoryLabel } = useDict(() => props.categoryDictCode);
 const { getLabel: getPriorityLabel, enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -51,7 +57,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   moduleId: string;
   category: string;
@@ -133,10 +140,41 @@ const rules = computed(() => ({
   currentHandlerUserId: isEditMode.value ? [createRequiredRule('请选择负责人')] : []
 }));
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     moduleId: '0',
     category: '',
@@ -151,10 +189,6 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 async function loadModuleTree() {
   if (!props.projectId) {
     moduleTree.value = [];
@@ -188,7 +222,8 @@ async function loadRequirementDetail() {
 
   model.value = {
     title: data.title || '',
-    description: data.description || '',
+    description: data.description || null,
+    attachments: data.attachments ? [...data.attachments] : [],
     reviewRequired: data.reviewRequired ?? 0,
     moduleId: data.moduleId || '0',
     category: data.category || '',
@@ -210,6 +245,13 @@ async function handleSubmit() {
     return;
   }
 
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    return;
+  }
+
+  const handler = memberUserOptions.value.find(item => item.userId === model.value.currentHandlerUserId);
+
   submitting.value = true;
 
   const payload: Api.Project.UpdateProjectRequirementParams = {
@@ -218,13 +260,14 @@ async function handleSubmit() {
     moduleId: model.value.moduleId || '0',
     reviewRequired: model.value.reviewRequired as Api.Project.ProjectRequirementReviewRequired,
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Project.ProjectRequirementPriority,
     proposerId: model.value.proposerId,
     proposerNickname: model.value.proposerNickname,
     currentHandlerUserId: model.value.currentHandlerUserId,
-    currentHandlerUserNickname: model.value.currentHandlerUserNickname,
+    currentHandlerUserNickname: handler?.userNickname || model.value.currentHandlerUserNickname,
     workHours: model.value.workHours || 0,
     sort: model.value.sort
   };
@@ -237,6 +280,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('项目需求更新成功');
   visible.value = false;
   emit('submitted', props.requirement.id);
@@ -253,9 +298,13 @@ watch(
 
     if (props.requirement?.id) {
       await loadRequirementDetail();
+    } else {
+      model.value = createDefaultModel();
     }
 
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -265,115 +314,162 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     :title="dialogTitle"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
     :loading="loading"
     :confirm-loading="submitting"
-    :show-footer="isEditMode"
     @confirm="handleSubmit"
   >
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <ElFormItem label="需求名称" prop="title">
-            <ReadonlyField v-if="isViewMode" :value="model.title" />
-            <ElInput v-else v-model="model.title" clearable maxlength="256" placeholder="请输入需求名称" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="模块">
-            <ReadonlyField v-if="isViewMode" :value="moduleLabelMap.get(model.moduleId) || '--'" />
-            <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="24">
-          <ElFormItem label="内容">
-            <div v-if="isViewMode" class="readonly-textarea" v-html="model.description || '--'"></div>
-            <BusinessRichTextEditor
-              v-else
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              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(item => item.value === model.reviewRequired)?.label || '--'"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="优先级" prop="priority">
-            <ReadonlyField
-              v-if="isViewMode"
-              :value="model.priority !== null ? getPriorityLabel(String(model.priority)) || '--' : '--'"
-            />
-            <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" />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="所需工时">
-            <ReadonlyField v-if="isViewMode" :value="model.workHours != null ? `${model.workHours}小时` : '--'" />
-            <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 :span="12">
-          <ElFormItem label="需求类型" prop="category">
-            <ReadonlyField :value="getCategoryLabel(model.category) || '--'" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="提出人" prop="proposerId">
-            <ReadonlyField :value="memberLabelMap.get(model.proposerId) || '--'" />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="负责人" prop="currentHandlerUserId">
-            <ReadonlyField v-if="isViewMode" :value="memberLabelMap.get(model.currentHandlerUserId) || '--'" />
-            <ElSelect v-else v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <ElOption
-                v-for="item in memberUserOptions"
-                :key="item.userId"
-                :label="item.userNickname"
-                :value="item.userId"
+    <template v-if="isViewMode" #footer="{ close }">
+      <ElButton type="primary" @click="close">关闭</ElButton>
+    </template>
+
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="需求信息">
+            <ElFormItem label="需求名称" prop="title">
+              <ReadonlyField v-if="isViewMode" :value="model.title" />
+              <ElInput v-else v-model="model.title" clearable maxlength="256" placeholder="请输入需求名称" />
+            </ElFormItem>
+
+            <ElFormItem label="模块">
+              <ReadonlyField v-if="isViewMode" :value="moduleLabelMap.get(model.moduleId) || '--'" />
+              <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>
+
+            <ElFormItem label="是否需要评审">
+              <ReadonlyField
+                :value="reviewRequiredOptions.find(item => item.value === model.reviewRequired)?.label || '--'"
+              />
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <ReadonlyField
+                v-if="isViewMode"
+                :value="model.priority !== null ? getPriorityLabel(String(model.priority)) || '--' : '--'"
+              />
+              <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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="所需工时">
+              <ReadonlyField v-if="isViewMode" :value="model.workHours != null ? `${model.workHours}小时` : '--'" />
+              <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>
+
+            <ElFormItem label="需求类型" prop="category">
+              <ReadonlyField :value="getCategoryLabel(model.category) || '--'" />
+            </ElFormItem>
+
+            <ElFormItem label="提出人" prop="proposerId">
+              <ReadonlyField :value="memberLabelMap.get(model.proposerId) || '--'" />
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <ReadonlyField v-if="isViewMode" :value="memberLabelMap.get(model.currentHandlerUserId) || '--'" />
+              <ElSelect
+                v-else
+                v-model="model.currentHandlerUserId"
+                class="w-full"
+                filterable
+                placeholder="请选择负责人"
               >
-                <MemberSelectOption :nickname="item.userNickname" :role-name="item.roleName" />
-              </ElOption>
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="排序值">
-            <ReadonlyField v-if="isViewMode" :value="model.sort" />
-            <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">
-          <ElFormItem label="状态变更原因">
-            <div class="readonly-textarea">{{ model.lastStatusReason }}</div>
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+                <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>
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <ReadonlyField v-if="isViewMode" :value="model.sort" />
+              <ElInputNumber
+                v-else
+                v-model="model.sort"
+                class="w-full"
+                :min="0"
+                :max="9999"
+                placeholder="请输入排序值"
+              />
+            </ElFormItem>
+
+            <ElFormItem v-if="isViewMode && model.lastStatusReason" label="状态变更原因">
+              <div class="requirement-operate-dialog__readonly-textarea">{{ model.lastStatusReason }}</div>
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :disabled="isViewMode"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+                :disabled="isViewMode"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
 <style scoped>
-.readonly-textarea {
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+.requirement-operate-dialog__readonly-textarea {
   box-sizing: border-box;
   width: 100%;
   min-height: 100px;
@@ -387,4 +483,10 @@ watch(
   white-space: pre-wrap;
   word-break: break-all;
 }
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
 </style>
diff --git a/src/views/project/project/requirement/modules/requirement-module-tree.vue b/src/views/project/project/requirement/modules/requirement-module-tree.vue
index e48b061..e3e34ba 100644
--- a/src/views/project/project/requirement/modules/requirement-module-tree.vue
+++ b/src/views/project/project/requirement/modules/requirement-module-tree.vue
@@ -251,10 +251,12 @@ defineExpose({
 </script>
 
 <template>
-  <div class="requirement-module-tree-wrapper">
-    <div class="module-tree-header">
-      <span class="module-tree-header__title">模块</span>
-    </div>
+  <ElCard class="requirement-module-tree-card card-wrapper">
+    <template #header>
+      <div class="module-tree-header">
+        <span class="module-tree-header__title">模块</span>
+      </div>
+    </template>
 
     <div class="module-tree-list">
       <template v-for="item in moduleTree" :key="item.id">
@@ -281,14 +283,23 @@ defineExpose({
         />
       </template>
     </div>
-  </div>
+  </ElCard>
 </template>
 
 <style scoped>
-.requirement-module-tree-wrapper {
-  display: flex;
-  flex-direction: column;
-  gap: 14px;
+.requirement-module-tree-card {
+  height: 100%;
+}
+
+.requirement-module-tree-card :deep(.el-card__header) {
+  padding: 12px 16px;
+  border-bottom: none;
+}
+
+.requirement-module-tree-card :deep(.el-card__body) {
+  padding: 0 16px 16px;
+  height: calc(100% - 48px);
+  overflow: hidden;
 }
 
 .module-tree-header {
@@ -299,7 +310,7 @@ defineExpose({
 
 .module-tree-header__title {
   color: rgb(15 23 42 / 94%);
-  font-size: 15px;
+  font-size: 16px;
   font-weight: 700;
 }
 
@@ -308,5 +319,7 @@ defineExpose({
   flex-direction: column;
   gap: 10px;
   min-height: 0;
+  height: 100%;
+  overflow-y: auto;
 }
 </style>
diff --git a/src/views/project/project/requirement/modules/requirement-split-dialog.vue b/src/views/project/project/requirement/modules/requirement-split-dialog.vue
index aa45d45..ad66aa3 100644
--- a/src/views/project/project/requirement/modules/requirement-split-dialog.vue
+++ b/src/views/project/project/requirement/modules/requirement-split-dialog.vue
@@ -1,9 +1,12 @@
 <script setup lang="ts">
 import { computed, nextTick, ref, watch } from 'vue';
+import { useResizeObserver } from '@vueuse/core';
 import { fetchSplitProjectRequirement } from '@/service/api';
 import { useForm, useFormRules } from '@/hooks/common/form';
 import { useDict } from '@/hooks/business/dict';
+import BusinessAttachmentUploader from '@/components/custom/business-attachment-uploader.vue';
 import BusinessFormDialog from '@/components/custom/business-form-dialog.vue';
+import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import MemberSelectOption from './member-select-option.vue';
 
@@ -33,6 +36,9 @@ const { formRef, validate } = useForm();
 const { createRequiredRule } = useFormRules();
 const { enabledDictData: priorityDictData } = useDict(() => props.priorityDictCode);
 
+const attachmentUploaderRef = ref<InstanceType<typeof BusinessAttachmentUploader> | null>(null);
+const richTextEditorRef = ref<InstanceType<typeof BusinessRichTextEditor> | null>(null);
+
 const priorityOptions = computed(() => {
   return priorityDictData.value.map(item => ({
     label: item.label,
@@ -42,7 +48,8 @@ const priorityOptions = computed(() => {
 
 interface Model {
   title: string;
-  description: string;
+  description: string | null;
+  attachments: Api.Project.AttachmentItem[];
   reviewRequired: number;
   category: string;
   priority: number | null;
@@ -52,6 +59,7 @@ interface Model {
 }
 
 const model = ref<Model>(createDefaultModel());
+const loading = ref(false);
 const submitting = ref(false);
 
 const memberUserOptions = computed(() => props.memberOptions.filter(item => item.status === 0));
@@ -68,10 +76,41 @@ const rules = {
   workHours: [createRequiredRule('请输入所需工时')]
 } satisfies Record<string, App.Global.FormRule[]>;
 
+const leftColRef = ref<HTMLElement>();
+const editorHeight = ref<string>('45vh');
+
+const ATTACHMENT_SECTION_RESERVE_PX = 140;
+
+useResizeObserver(leftColRef, entries => {
+  const height = entries[0]?.contentRect.height;
+
+  if (height && height > 120) {
+    editorHeight.value = `${Math.max(height - 60 - ATTACHMENT_SECTION_RESERVE_PX, 200)}px`;
+  }
+});
+
+function isEmptyRichText(html: string | null | undefined) {
+  if (!html) {
+    return true;
+  }
+
+  const text = html
+    .replace(/<[^>]+>/g, '')
+    .replace(/&nbsp;/g, '')
+    .trim();
+
+  if (text) {
+    return false;
+  }
+
+  return !/<img\b/i.test(html);
+}
+
 function createDefaultModel(): Model {
   return {
     title: '',
-    description: '',
+    description: null,
+    attachments: [],
     reviewRequired: 0,
     category: '',
     priority: 1,
@@ -81,10 +120,6 @@ function createDefaultModel(): Model {
   };
 }
 
-function getNullableText(value?: string | null) {
-  return value?.trim() || null;
-}
-
 async function handleSubmit() {
   await validate();
 
@@ -92,6 +127,11 @@ async function handleSubmit() {
     return;
   }
 
+  if (attachmentUploaderRef.value?.hasUploading) {
+    window.$message?.warning('附件正在上传中，请稍候');
+    return;
+  }
+
   const handler = memberUserOptions.value.find(item => item.userId === model.value.currentHandlerUserId);
 
   const payload: Api.Project.SplitProjectRequirementParams = {
@@ -100,7 +140,8 @@ async function handleSubmit() {
     moduleId: props.parentRequirement.moduleId,
     reviewRequired: model.value.reviewRequired as Api.Project.ProjectRequirementReviewRequired,
     title: model.value.title.trim(),
-    description: getNullableText(model.value.description),
+    description: isEmptyRichText(model.value.description) ? null : (model.value.description ?? null),
+    attachments: [...model.value.attachments],
     category: model.value.category,
     priority: Number(model.value.priority) as Api.Project.ProjectRequirementPriority,
     proposerId: props.parentRequirement.proposerId,
@@ -121,6 +162,8 @@ async function handleSubmit() {
     return;
   }
 
+  await Promise.all([attachmentUploaderRef.value?.commit(), richTextEditorRef.value?.commit()]);
+
   window.$message?.success('项目需求拆分成功');
   visible.value = false;
   emit('submitted');
@@ -139,12 +182,13 @@ watch(
       model.value.category = props.parentRequirement.category;
     }
 
-    // 默认选中父需求的负责人
     if (props.parentRequirement?.currentHandlerUserId) {
       model.value.currentHandlerUserId = props.parentRequirement.currentHandlerUserId;
     }
 
     await nextTick();
+    attachmentUploaderRef.value?.initSession();
+    richTextEditorRef.value?.initSession();
     formRef.value?.clearValidate();
   }
 );
@@ -154,7 +198,9 @@ watch(
   <BusinessFormDialog
     v-model="visible"
     title="拆分项目需求"
-    preset="lg"
+    width="1100px"
+    max-body-height="78vh"
+    :loading="loading"
     :confirm-loading="submitting"
     @confirm="handleSubmit"
   >
@@ -166,76 +212,116 @@ watch(
       class="mb-16px"
     />
 
-    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top">
-      <ElRow :gutter="16">
-        <ElCol :span="12">
-          <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">
-          <ElFormItem label="是否需要评审">
-            <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
-              <ElOption
-                v-for="item in reviewRequiredOptions"
-                :key="item.value"
-                :label="item.label"
-                :value="item.value"
+    <ElForm ref="formRef" :model="model" :rules="rules" label-position="top" :validate-on-rule-change="false">
+      <div class="requirement-operate-dialog__grid">
+        <div ref="leftColRef" class="requirement-operate-dialog__col-left">
+          <BusinessFormSection title="子需求信息">
+            <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>
+
+            <ElFormItem label="是否需要评审">
+              <ElSelect v-model="model.reviewRequired" class="w-full" placeholder="请选择">
+                <ElOption
+                  v-for="item in reviewRequiredOptions"
+                  :key="item.value"
+                  :label="item.label"
+                  :value="item.value"
+                />
+              </ElSelect>
+            </ElFormItem>
+
+            <ElFormItem label="优先级" prop="priority">
+              <ElSelect 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" />
+              </ElSelect>
+            </ElFormItem>
+
+            <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"
               />
-            </ElSelect>
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="24">
-          <ElFormItem label="内容">
-            <BusinessRichTextEditor
-              v-model="model.description"
-              height="240px"
-              upload-directory="requirement"
-              placeholder="请输入需求内容"
-            />
-          </ElFormItem>
-        </ElCol>
-        <ElCol :span="12">
-          <ElFormItem label="优先级" prop="priority">
-            <ElSelect 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" />
-            </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="负责人" prop="currentHandlerUserId">
-            <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
-              <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>
-          </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" />
-          </ElFormItem>
-        </ElCol>
-      </ElRow>
+            </ElFormItem>
+
+            <ElFormItem label="负责人" prop="currentHandlerUserId">
+              <ElSelect v-model="model.currentHandlerUserId" class="w-full" filterable placeholder="请选择负责人">
+                <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>
+            </ElFormItem>
+
+            <ElFormItem label="排序值">
+              <ElInputNumber v-model="model.sort" class="w-full" :min="0" :max="9999" placeholder="请输入排序值" />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+
+        <div class="requirement-operate-dialog__col-right">
+          <BusinessFormSection title="需求内容">
+            <ElFormItem class="requirement-operate-dialog__desc-item">
+              <BusinessRichTextEditor
+                ref="richTextEditorRef"
+                v-model="model.description"
+                :height="editorHeight"
+                upload-directory="requirement"
+                placeholder="请输入需求内容"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+
+          <BusinessFormSection title="附件">
+            <ElFormItem class="requirement-operate-dialog__attachment-item">
+              <BusinessAttachmentUploader
+                ref="attachmentUploaderRef"
+                v-model="model.attachments"
+                directory="requirement"
+              />
+            </ElFormItem>
+          </BusinessFormSection>
+        </div>
+      </div>
     </ElForm>
   </BusinessFormDialog>
 </template>
 
-<style scoped></style>
+<style scoped>
+.requirement-operate-dialog__grid {
+  display: grid;
+  grid-template-columns: 360px 1fr;
+  gap: 24px;
+  align-items: start;
+}
+
+.requirement-operate-dialog__col-left,
+.requirement-operate-dialog__col-right {
+  min-width: 0;
+}
+
+.requirement-operate-dialog__col-right {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.requirement-operate-dialog__desc-item,
+.requirement-operate-dialog__attachment-item {
+  margin-bottom: 0;
+}
+
+@media (width <= 1024px) {
+  .requirement-operate-dialog__grid {
+    grid-template-columns: 1fr;
+  }
+}
+</style>