diff --git a/frontend-web/src/open-canvas/api/ai-writing-article-types.ts b/frontend-web/src/open-canvas/api/ai-writing-article-types.ts
new file mode 100644
index 00000000..68bddd13
--- /dev/null
+++ b/frontend-web/src/open-canvas/api/ai-writing-article-types.ts
@@ -0,0 +1,69 @@
+import { getBackendBaseURL } from '@/core/config';
+import { apiFetch } from '@/core/api';
+
+export interface ArticleType {
+  id: string;
+  key: string;
+  label: string;
+  description: string | null;
+  prompt_hint: string | null;
+  default_word_count: number;
+  sort_order: number;
+  created_at: string;
+  updated_at: string;
+}
+
+export interface CreateArticleTypeRequest {
+  key: string;
+  label: string;
+  description?: string;
+  prompt_hint?: string;
+  default_word_count?: number;
+  sort_order?: number;
+}
+
+export interface UpdateArticleTypeRequest {
+  key?: string;
+  label?: string;
+  description?: string | null;
+  prompt_hint?: string | null;
+  default_word_count?: number;
+  sort_order?: number;
+}
+
+const BASE = () => `${getBackendBaseURL()}/api/ai-writing/article-types`;
+
+export async function listArticleTypes(): Promise<ArticleType[]> {
+  const resp = await apiFetch(BASE());
+  if (!resp.ok) throw new Error(`获取文章类型失败: ${resp.status}`);
+  return resp.json();
+}
+
+export async function createArticleType(data: CreateArticleTypeRequest): Promise<ArticleType> {
+  const resp = await apiFetch(BASE(), {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(data),
+  });
+  if (resp.status === 409) throw new Error(`文章类型标识 "${data.key}" 已存在`);
+  if (!resp.ok) throw new Error(`创建文章类型失败: ${resp.status}`);
+  return resp.json();
+}
+
+export async function updateArticleType(id: string, data: UpdateArticleTypeRequest): Promise<ArticleType> {
+  const resp = await apiFetch(`${BASE()}/${id}`, {
+    method: 'PATCH',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(data),
+  });
+  if (resp.status === 409) throw new Error(`文章类型标识已存在`);
+  if (resp.status === 404) throw new Error(`文章类型不存在`);
+  if (!resp.ok) throw new Error(`更新文章类型失败: ${resp.status}`);
+  return resp.json();
+}
+
+export async function deleteArticleType(id: string): Promise<void> {
+  const resp = await apiFetch(`${BASE()}/${id}`, { method: 'DELETE' });
+  if (resp.status === 404) throw new Error(`文章类型不存在`);
+  if (!resp.ok) throw new Error(`删除文章类型失败: ${resp.status}`);
+}
diff --git a/frontend-web/src/open-canvas/components/ai-writing/AIWritingForm.tsx b/frontend-web/src/open-canvas/components/ai-writing/AIWritingForm.tsx
index 4c860501..3beecdcd 100644
--- a/frontend-web/src/open-canvas/components/ai-writing/AIWritingForm.tsx
+++ b/frontend-web/src/open-canvas/components/ai-writing/AIWritingForm.tsx
@@ -14,6 +14,7 @@ import { getBackendBaseURL } from '@/core/config';
 import { apiFetch } from '@/core/api';
 
 import type { AIWritingRequest } from '../../types/ai-writing';
+import { useArticleTypes } from '../../hooks/useArticleTypes';
 
 interface AIWritingFormProps {
   onSubmit: (req: AIWritingRequest) => void;
@@ -25,22 +26,46 @@ interface ModelOption {
   displayName: string;
 }
 
-const ARTICLE_TYPES: { value: AIWritingRequest['articleType']; label: string }[] = [
-  { value: 'analysis', label: '分析报道' },
-  { value: 'news', label: '新闻资讯' },
-  { value: 'feature', label: '深度特稿' },
-  { value: 'report', label: '调研报告' },
-];
+const INPUT_CLASS =
+  'flex h-8 w-full rounded-md border border-input bg-background px-3 py-1 text-xs shadow-sm ' +
+  'placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 ' +
+  'focus-visible:ring-ring disabled:opacity-50';
 
 export function AIWritingForm({ onSubmit, disabled }: AIWritingFormProps) {
   const [intent, setIntent] = useState('');
-  const [articleType, setArticleType] =
-    useState<AIWritingRequest['articleType']>('analysis');
+  const [articleType, setArticleType] = useState('analysis');
   const [audience, setAudience] = useState('普通读者');
-  const [wordCount, setWordCount] = useState(800);
+  const [wordCountInput, setWordCountInput] = useState('800');
   const [modelName, setModelName] = useState('');
   const [models, setModels] = useState<ModelOption[]>([]);
 
+  const { articleTypes, loading: typesLoading, refresh: refreshTypes } = useArticleTypes();
+
+  // 初始化时加载文章类型
+  useEffect(() => {
+    refreshTypes();
+  }, [refreshTypes]);
+
+  // 类型加载完成后：若当前选中值不在列表中则切换为第一项
+  useEffect(() => {
+    if (articleTypes.length === 0) return;
+    const keys = articleTypes.map((t) => t.key);
+    if (!keys.includes(articleType)) {
+      const first = articleTypes[0];
+      setArticleType(first.key);
+      setWordCountInput(String(first.default_word_count));
+    }
+  }, [articleTypes]); // eslint-disable-line react-hooks/exhaustive-deps
+
+  // 切换文章类型时自动填入该类型的默认字数
+  function handleArticleTypeChange(key: string) {
+    setArticleType(key);
+    const found = articleTypes.find((t) => t.key === key);
+    if (found) {
+      setWordCountInput(String(found.default_word_count));
+    }
+  }
+
   useEffect(() => {
     apiFetch(`${getBackendBaseURL()}/api/models`)
       .then((r) => r.json())
@@ -57,12 +82,22 @@ export function AIWritingForm({ onSubmit, disabled }: AIWritingFormProps) {
         }
       })
       .catch(() => {});
-  // eslint-disable-next-line react-hooks/exhaustive-deps
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
+  function handleWordCountBlur() {
+    const num = parseInt(wordCountInput, 10);
+    if (isNaN(num) || num < 100) {
+      setWordCountInput('800');
+    } else {
+      setWordCountInput(String(num));
+    }
+  }
+
   function handleSubmit(e: React.FormEvent) {
     e.preventDefault();
     if (!intent.trim()) return;
+    const wordCount = Math.max(100, parseInt(wordCountInput, 10) || 800);
     onSubmit({
       userIntent: intent.trim(),
       articleType,
@@ -91,15 +126,15 @@ export function AIWritingForm({ onSubmit, disabled }: AIWritingFormProps) {
           <label className="text-xs font-medium text-muted-foreground">文章类型</label>
           <Select
             value={articleType}
-            onValueChange={(v) => setArticleType(v as AIWritingRequest['articleType'])}
-            disabled={disabled}
+            onValueChange={handleArticleTypeChange}
+            disabled={disabled || typesLoading}
           >
             <SelectTrigger className="h-8 text-xs">
-              <SelectValue />
+              <SelectValue placeholder={typesLoading ? '加载中…' : '选择类型'} />
             </SelectTrigger>
             <SelectContent>
-              {ARTICLE_TYPES.map((t) => (
-                <SelectItem key={t.value} value={t.value} className="text-xs">
+              {articleTypes.map((t) => (
+                <SelectItem key={t.key} value={t.key} className="text-xs">
                   {t.label}
                 </SelectItem>
               ))}
@@ -108,23 +143,18 @@ export function AIWritingForm({ onSubmit, disabled }: AIWritingFormProps) {
         </div>
 
         <div className="space-y-1.5">
-          <label className="text-xs font-medium text-muted-foreground">目标字数</label>
-          <Select
-            value={String(wordCount)}
-            onValueChange={(v) => setWordCount(Number(v))}
+          <label className="text-xs font-medium text-muted-foreground">目标字数（字）</label>
+          <input
+            type="number"
+            min={100}
+            step={100}
+            className={INPUT_CLASS}
+            placeholder="800"
+            value={wordCountInput}
+            onChange={(e) => setWordCountInput(e.target.value)}
+            onBlur={handleWordCountBlur}
             disabled={disabled}
-          >
-            <SelectTrigger className="h-8 text-xs">
-              <SelectValue />
-            </SelectTrigger>
-            <SelectContent>
-              {[500, 800, 1200, 2000, 3000].map((n) => (
-                <SelectItem key={n} value={String(n)} className="text-xs">
-                  {n} 字
-                </SelectItem>
-              ))}
-            </SelectContent>
-          </Select>
+          />
         </div>
       </div>
 
@@ -132,7 +162,7 @@ export function AIWritingForm({ onSubmit, disabled }: AIWritingFormProps) {
         <label className="text-xs font-medium text-muted-foreground">目标读者</label>
         <input
           type="text"
-          className="flex h-8 w-full rounded-md border border-input bg-background px-3 py-1 text-xs shadow-sm placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:opacity-50"
+          className={INPUT_CLASS}
           placeholder="普通读者 / 行业专家 / 政策决策者…"
           value={audience}
           onChange={(e) => setAudience(e.target.value)}
diff --git a/frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx b/frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx
index c60296ce..ec63a4c3 100644
--- a/frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx
+++ b/frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx
@@ -1,5 +1,6 @@
 import { useCallback, useState } from 'react';
-import { Plus, RotateCcw, Square } from 'lucide-react';
+import { useNavigate } from 'react-router-dom';
+import { Plus, RotateCcw, Settings2, Square } from 'lucide-react';
 
 import { Button } from '@/components/ui/button';
 import { cn } from '@/lib/utils';
@@ -35,6 +36,7 @@ const STATUS_LABEL: Record<string, string> = {
 };
 
 export function AIWritingPanel() {
+  const navigate = useNavigate();
   const { setArtifact } = useCanvasGraphContext();
   const { state, startWriting, submitIntervention, stopWriting, reset } = useAIWriting();
   const { sessions, loading: sessionsLoading, refresh, rename, remove } = useAIWritingSessions();
@@ -82,6 +84,15 @@ export function AIWritingPanel() {
             {historySession.draft_title ?? historySession.title}
           </span>
           <div className="flex items-center gap-1.5 shrink-0">
+            <Button
+              variant="ghost"
+              size="icon"
+              className="h-7 w-7"
+              onClick={() => navigate('/page/canvas/article-types')}
+              title="文章类型配置"
+            >
+              <Settings2 className="size-3.5" />
+            </Button>
             <Button variant="ghost" size="sm" className="h-7 px-2 text-xs gap-1" onClick={handleNewSession}>
               <Plus className="size-3" />
               新建对话
@@ -108,6 +119,15 @@ export function AIWritingPanel() {
       <div className="flex items-center justify-between px-4 py-2.5 border-b shrink-0">
         <span className="text-sm font-semibold shrink-0">AI 智能写作</span>
         <div className="flex items-center gap-1.5">
+          <Button
+            variant="ghost"
+            size="icon"
+            className="h-7 w-7"
+            onClick={() => navigate('/page/canvas/article-types')}
+            title="文章类型配置"
+          >
+            <Settings2 className="size-3.5" />
+          </Button>
           {showNewButton && (
             <Button variant="ghost" size="sm" className="h-7 px-2 text-xs gap-1" onClick={handleNewSession}>
               <Plus className="size-3" />
diff --git a/frontend-web/src/open-canvas/hooks/useArticleTypes.ts b/frontend-web/src/open-canvas/hooks/useArticleTypes.ts
new file mode 100644
index 00000000..7b105fdc
--- /dev/null
+++ b/frontend-web/src/open-canvas/hooks/useArticleTypes.ts
@@ -0,0 +1,49 @@
+import { useCallback, useState } from 'react';
+
+import {
+  listArticleTypes,
+  createArticleType,
+  updateArticleType,
+  deleteArticleType,
+} from '../api/ai-writing-article-types';
+import type { ArticleType, CreateArticleTypeRequest, UpdateArticleTypeRequest } from '../api/ai-writing-article-types';
+
+export function useArticleTypes() {
+  const [articleTypes, setArticleTypes] = useState<ArticleType[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const refresh = useCallback(async () => {
+    setLoading(true);
+    setError(null);
+    try {
+      const data = await listArticleTypes();
+      setArticleTypes(data);
+    } catch (e) {
+      setError(e instanceof Error ? e.message : '加载失败');
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  const create = useCallback(async (data: CreateArticleTypeRequest): Promise<ArticleType> => {
+    const created = await createArticleType(data);
+    setArticleTypes((prev) => [...prev, created].sort((a, b) => a.sort_order - b.sort_order));
+    return created;
+  }, []);
+
+  const update = useCallback(async (id: string, data: UpdateArticleTypeRequest): Promise<ArticleType> => {
+    const updated = await updateArticleType(id, data);
+    setArticleTypes((prev) =>
+      prev.map((t) => (t.id === id ? updated : t)).sort((a, b) => a.sort_order - b.sort_order),
+    );
+    return updated;
+  }, []);
+
+  const remove = useCallback(async (id: string): Promise<void> => {
+    await deleteArticleType(id);
+    setArticleTypes((prev) => prev.filter((t) => t.id !== id));
+  }, []);
+
+  return { articleTypes, loading, error, refresh, create, update, remove };
+}
diff --git a/frontend-web/src/open-canvas/pages/ArticleTypesConfigPage.tsx b/frontend-web/src/open-canvas/pages/ArticleTypesConfigPage.tsx
new file mode 100644
index 00000000..3b55508f
--- /dev/null
+++ b/frontend-web/src/open-canvas/pages/ArticleTypesConfigPage.tsx
@@ -0,0 +1,431 @@
+import { useEffect, useState } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { ArrowLeft, FileText, Pencil, Plus, Settings2, Trash2 } from 'lucide-react';
+
+import { Button } from '@/components/ui/button';
+import { Separator } from '@/components/ui/separator';
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+
+import { useArticleTypes } from '../hooks/useArticleTypes';
+import type { ArticleType, CreateArticleTypeRequest, UpdateArticleTypeRequest } from '../api/ai-writing-article-types';
+
+// ── 样式常量 ──────────────────────────────────────────────────────────────────
+
+const INPUT_CLASS =
+  'flex h-8 w-full rounded-md border border-input bg-background px-3 py-1 text-xs shadow-sm ' +
+  'placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 ' +
+  'focus-visible:ring-ring disabled:opacity-50 disabled:bg-muted';
+
+const TEXTAREA_CLASS =
+  'flex w-full rounded-md border border-input bg-background px-3 py-2 text-xs shadow-sm ' +
+  'placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 ' +
+  'focus-visible:ring-ring resize-none';
+
+// ── 表单状态类型 ───────────────────────────────────────────────────────────────
+
+interface FormState {
+  key: string;
+  label: string;
+  description: string;
+  prompt_hint: string;
+  default_word_count: string;
+  sort_order: string;
+}
+
+const EMPTY_FORM: FormState = {
+  key: '',
+  label: '',
+  description: '',
+  prompt_hint: '',
+  default_word_count: '800',
+  sort_order: '0',
+};
+
+// ── 主页面 ────────────────────────────────────────────────────────────────────
+
+export default function ArticleTypesConfigPage() {
+  const navigate = useNavigate();
+  const { articleTypes, loading, error, refresh, create, update, remove } = useArticleTypes();
+
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [editingId, setEditingId] = useState<string | null>(null);
+  const [form, setForm] = useState<FormState>(EMPTY_FORM);
+  const [formError, setFormError] = useState<string | null>(null);
+  const [saving, setSaving] = useState(false);
+
+  const [deleteTargetId, setDeleteTargetId] = useState<string | null>(null);
+  const [deleting, setDeleting] = useState(false);
+  const [deleteError, setDeleteError] = useState<string | null>(null);
+
+  useEffect(() => {
+    refresh();
+  }, [refresh]);
+
+  // ── 对话框操作 ──────────────────────────────────────────────────────────────
+
+  function openCreate() {
+    setEditingId(null);
+    setForm(EMPTY_FORM);
+    setFormError(null);
+    setDialogOpen(true);
+  }
+
+  function openEdit(t: ArticleType) {
+    setEditingId(t.id);
+    setForm({
+      key: t.key,
+      label: t.label,
+      description: t.description ?? '',
+      prompt_hint: t.prompt_hint ?? '',
+      default_word_count: String(t.default_word_count),
+      sort_order: String(t.sort_order),
+    });
+    setFormError(null);
+    setDialogOpen(true);
+  }
+
+  function setField<K extends keyof FormState>(key: K, value: FormState[K]) {
+    setForm((f) => ({ ...f, [key]: value }));
+  }
+
+  async function handleSave() {
+    const trimmedKey = form.key.trim();
+    const trimmedLabel = form.label.trim();
+    const wordCount = parseInt(form.default_word_count, 10);
+
+    if (!trimmedKey) { setFormError('标识不能为空'); return; }
+    if (!trimmedLabel) { setFormError('名称不能为空'); return; }
+    if (isNaN(wordCount) || wordCount < 100) { setFormError('默认字数不能小于 100'); return; }
+
+    setSaving(true);
+    setFormError(null);
+    try {
+      if (editingId) {
+        const req: UpdateArticleTypeRequest = {
+          label: trimmedLabel,
+          description: form.description.trim() || null,
+          prompt_hint: form.prompt_hint.trim() || null,
+          default_word_count: wordCount,
+          sort_order: parseInt(form.sort_order, 10) || 0,
+        };
+        await update(editingId, req);
+      } else {
+        const req: CreateArticleTypeRequest = {
+          key: trimmedKey,
+          label: trimmedLabel,
+          description: form.description.trim() || undefined,
+          prompt_hint: form.prompt_hint.trim() || undefined,
+          default_word_count: wordCount,
+          sort_order: parseInt(form.sort_order, 10) || 0,
+        };
+        await create(req);
+      }
+      setDialogOpen(false);
+    } catch (e) {
+      setFormError(e instanceof Error ? e.message : '保存失败');
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  // ── 删除操作 ────────────────────────────────────────────────────────────────
+
+  async function handleDelete() {
+    if (!deleteTargetId) return;
+    setDeleting(true);
+    setDeleteError(null);
+    try {
+      await remove(deleteTargetId);
+      setDeleteTargetId(null);
+    } catch (e) {
+      setDeleteError(e instanceof Error ? e.message : '删除失败');
+    } finally {
+      setDeleting(false);
+    }
+  }
+
+  // ── 渲染 ────────────────────────────────────────────────────────────────────
+
+  return (
+    <div className="h-full flex flex-col overflow-hidden bg-background">
+      {/* 页面头部 */}
+      <div className="h-11 border-b flex items-center px-3 gap-2 shrink-0 bg-background">
+        <Button
+          variant="ghost"
+          size="icon"
+          className="h-7 w-7 shrink-0"
+          onClick={() => navigate(-1)}
+          title="返回"
+        >
+          <ArrowLeft className="h-4 w-4" />
+        </Button>
+        <Separator orientation="vertical" className="h-4" />
+        <Settings2 className="h-4 w-4 text-primary shrink-0" />
+        <span className="text-sm font-semibold flex-1">文章类型配置</span>
+        <Button size="sm" className="h-7 px-3 text-xs gap-1.5" onClick={openCreate}>
+          <Plus className="size-3.5" />
+          新增类型
+        </Button>
+      </div>
+
+      {/* 内容区 */}
+      <div className="flex-1 overflow-y-auto p-4">
+        {loading && (
+          <p className="text-sm text-muted-foreground text-center py-12">加载中…</p>
+        )}
+        {!loading && error && (
+          <p className="text-sm text-destructive text-center py-12">{error}</p>
+        )}
+        {!loading && !error && articleTypes.length === 0 && (
+          <div className="text-center py-12 space-y-2">
+            <Settings2 className="h-8 w-8 mx-auto text-muted-foreground/40" />
+            <p className="text-sm text-muted-foreground">暂无文章类型</p>
+            <p className="text-xs text-muted-foreground">点击右上角"新增类型"创建第一个文章类型</p>
+          </div>
+        )}
+        {!loading && articleTypes.length > 0 && (
+          <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
+            {articleTypes.map((t) => (
+              <ArticleTypeCard
+                key={t.id}
+                type={t}
+                onEdit={() => openEdit(t)}
+                onDelete={() => { setDeleteError(null); setDeleteTargetId(t.id); }}
+              />
+            ))}
+          </div>
+        )}
+      </div>
+
+      {/* 新增 / 编辑对话框 */}
+      <Dialog open={dialogOpen} onOpenChange={(open) => { if (!saving) setDialogOpen(open); }}>
+        <DialogContent className="sm:max-w-lg">
+          <DialogHeader>
+            <DialogTitle>{editingId ? '编辑文章类型' : '新增文章类型'}</DialogTitle>
+          </DialogHeader>
+
+          <div className="space-y-3 py-1">
+            <FormField label="标识 (key)" required>
+              <input
+                className={INPUT_CLASS}
+                placeholder="如 news、analysis（传给 AI 的唯一标识，仅限字母数字下划线）"
+                value={form.key}
+                onChange={(e) => setField('key', e.target.value)}
+                disabled={!!editingId}
+              />
+              {editingId && (
+                <p className="text-[11px] text-muted-foreground mt-0.5">标识创建后不可修改</p>
+              )}
+            </FormField>
+
+            <FormField label="名称" required>
+              <input
+                className={INPUT_CLASS}
+                placeholder="如 新闻资讯、深度特稿"
+                value={form.label}
+                onChange={(e) => setField('label', e.target.value)}
+              />
+            </FormField>
+
+            <FormField label="说明">
+              <input
+                className={INPUT_CLASS}
+                placeholder="简短描述，帮助用户了解该类型的适用场景"
+                value={form.description}
+                onChange={(e) => setField('description', e.target.value)}
+              />
+            </FormField>
+
+            <FormField label="写作风格提示词">
+              <textarea
+                className={TEXTAREA_CLASS}
+                rows={3}
+                placeholder="传入 AI 的写作风格说明，如：以新闻报道风格写作，注重 5W1H 要素，语言简洁客观…"
+                value={form.prompt_hint}
+                onChange={(e) => setField('prompt_hint', e.target.value)}
+              />
+            </FormField>
+
+            <div className="grid grid-cols-2 gap-3">
+              <FormField label="默认字数（字）" required>
+                <input
+                  type="number"
+                  min={100}
+                  step={100}
+                  className={INPUT_CLASS}
+                  value={form.default_word_count}
+                  onChange={(e) => setField('default_word_count', e.target.value)}
+                />
+              </FormField>
+              <FormField label="排序权重">
+                <input
+                  type="number"
+                  min={0}
+                  className={INPUT_CLASS}
+                  placeholder="0"
+                  value={form.sort_order}
+                  onChange={(e) => setField('sort_order', e.target.value)}
+                />
+              </FormField>
+            </div>
+
+            {formError && (
+              <p className="text-xs text-destructive">{formError}</p>
+            )}
+          </div>
+
+          <DialogFooter>
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={() => setDialogOpen(false)}
+              disabled={saving}
+            >
+              取消
+            </Button>
+            <Button size="sm" onClick={handleSave} disabled={saving}>
+              {saving ? '保存中…' : '保存'}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* 删除确认对话框 */}
+      <Dialog
+        open={deleteTargetId !== null}
+        onOpenChange={(open) => { if (!deleting && !open) setDeleteTargetId(null); }}
+      >
+        <DialogContent className="sm:max-w-sm">
+          <DialogHeader>
+            <DialogTitle>确认删除</DialogTitle>
+          </DialogHeader>
+          <div className="py-2 space-y-2">
+            <p className="text-sm text-muted-foreground">
+              删除后不可恢复。已使用该类型创建的历史写作不受影响，但新写作将无法选择此类型。
+            </p>
+            {deleteError && (
+              <p className="text-xs text-destructive">{deleteError}</p>
+            )}
+          </div>
+          <DialogFooter>
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={() => setDeleteTargetId(null)}
+              disabled={deleting}
+            >
+              取消
+            </Button>
+            <Button
+              variant="destructive"
+              size="sm"
+              onClick={handleDelete}
+              disabled={deleting}
+            >
+              {deleting ? '删除中…' : '确认删除'}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    </div>
+  );
+}
+
+// ── 文章类型卡片 ──────────────────────────────────────────────────────────────
+
+function ArticleTypeCard({
+  type,
+  onEdit,
+  onDelete,
+}: {
+  type: ArticleType;
+  onEdit: () => void;
+  onDelete: () => void;
+}) {
+  return (
+    <div className="rounded-lg border bg-card p-4 flex flex-col gap-2.5 hover:border-primary/30 transition-colors">
+      {/* 标题行 */}
+      <div className="flex items-start justify-between gap-2">
+        <div className="min-w-0 flex-1">
+          <div className="flex items-center gap-2 flex-wrap">
+            <span className="text-sm font-semibold">{type.label}</span>
+            <span className="inline-flex items-center px-1.5 py-0.5 rounded text-[10px] font-mono bg-muted text-muted-foreground border">
+              {type.key}
+            </span>
+          </div>
+          {type.description && (
+            <p className="text-xs text-muted-foreground mt-0.5 line-clamp-1">{type.description}</p>
+          )}
+        </div>
+        <div className="flex items-center gap-0.5 shrink-0">
+          <Button
+            variant="ghost"
+            size="icon"
+            className="h-6 w-6"
+            onClick={onEdit}
+            title="编辑"
+          >
+            <Pencil className="h-3 w-3" />
+          </Button>
+          <Button
+            variant="ghost"
+            size="icon"
+            className="h-6 w-6 text-destructive/70 hover:text-destructive"
+            onClick={onDelete}
+            title="删除"
+          >
+            <Trash2 className="h-3 w-3" />
+          </Button>
+        </div>
+      </div>
+
+      {/* 写作提示词预览 */}
+      {type.prompt_hint && (
+        <div className="rounded-md bg-muted/50 px-2.5 py-2">
+          <p className="text-[11px] text-muted-foreground leading-relaxed line-clamp-2">
+            {type.prompt_hint}
+          </p>
+        </div>
+      )}
+
+      {/* 底部元信息 */}
+      <div className="flex items-center gap-3 pt-0.5 border-t">
+        <span className="text-[11px] text-muted-foreground flex items-center gap-1 pt-2">
+          <FileText className="h-3 w-3" />
+          默认 {type.default_word_count} 字
+        </span>
+        <span className="text-[11px] text-muted-foreground pt-2">
+          排序 {type.sort_order}
+        </span>
+      </div>
+    </div>
+  );
+}
+
+// ── 表单字段包装 ──────────────────────────────────────────────────────────────
+
+function FormField({
+  label,
+  required,
+  children,
+}: {
+  label: string;
+  required?: boolean;
+  children: React.ReactNode;
+}) {
+  return (
+    <div className="space-y-1">
+      <label className="text-xs font-medium text-muted-foreground">
+        {label}
+        {required && <span className="text-destructive ml-0.5">*</span>}
+      </label>
+      {children}
+    </div>
+  );
+}
diff --git a/frontend-web/src/open-canvas/routes/OpenCanvasRoutes.tsx b/frontend-web/src/open-canvas/routes/OpenCanvasRoutes.tsx
index e4c59388..6c2b281f 100644
--- a/frontend-web/src/open-canvas/routes/OpenCanvasRoutes.tsx
+++ b/frontend-web/src/open-canvas/routes/OpenCanvasRoutes.tsx
@@ -3,12 +3,14 @@ import { Route, Routes } from "react-router-dom";
 import CanvasHomePage from "../pages/CanvasHomePage";
 import CanvasThreadPage from "../pages/CanvasThreadPage";
 import AIWritingPage from "../pages/AIWritingPage";
+import ArticleTypesConfigPage from "../pages/ArticleTypesConfigPage";
 
 export default function OpenCanvasRoutes() {
   return (
     <Routes>
       <Route index element={<CanvasHomePage />} />
       <Route path="ai-writing" element={<AIWritingPage />} />
+      <Route path="article-types" element={<ArticleTypesConfigPage />} />
       <Route path=":thread_id" element={<CanvasThreadPage />} />
     </Routes>
   );
diff --git a/frontend-web/src/open-canvas/types/ai-writing.ts b/frontend-web/src/open-canvas/types/ai-writing.ts
index fccb2092..faa8fdbd 100644
--- a/frontend-web/src/open-canvas/types/ai-writing.ts
+++ b/frontend-web/src/open-canvas/types/ai-writing.ts
@@ -124,7 +124,7 @@ export interface UserInterventionPayload {
 
 export interface AIWritingRequest {
   userIntent: string;
-  articleType: 'news' | 'analysis' | 'feature' | 'report';
+  articleType: string;
   targetAudience: string;
   wordCountTarget: number;
   modelName?: string;
diff --git a/offline-backend-20260512/backend/app/gateway/deps.py b/offline-backend-20260512/backend/app/gateway/deps.py
index 147ad3d1..85422d81 100644
--- a/offline-backend-20260512/backend/app/gateway/deps.py
+++ b/offline-backend-20260512/backend/app/gateway/deps.py
@@ -126,6 +126,10 @@ async def langgraph_runtime(app: FastAPI) -> AsyncGenerator[None, None]:
 
         app.state.ai_writing_session_store = make_ai_writing_session_store(sf)
 
+        from deerflow.persistence.article_types import make_article_type_store
+
+        app.state.article_type_store = make_article_type_store(sf)
+
         # Run event store (has its own factory with config-driven backend selection)
         run_events_config = getattr(config, "run_events", None)
         app.state.run_event_store = make_run_event_store(run_events_config)
@@ -231,6 +235,11 @@ def get_ai_writing_session_store(request: Request):
     return getattr(request.app.state, "ai_writing_session_store", None)
 
 
+def get_article_type_store(request: Request):
+    """Return the article type store, or None when not configured."""
+    return getattr(request.app.state, "article_type_store", None)
+
+
 def get_run_context(request: Request) -> RunContext:
     """Build a :class:`RunContext` from ``app.state`` singletons.
 
diff --git a/offline-backend-20260512/backend/app/gateway/routers/ai_writing.py b/offline-backend-20260512/backend/app/gateway/routers/ai_writing.py
index d525a699..51fee35d 100644
--- a/offline-backend-20260512/backend/app/gateway/routers/ai_writing.py
+++ b/offline-backend-20260512/backend/app/gateway/routers/ai_writing.py
@@ -1,13 +1,17 @@
 """AI 写作路由 —— 独立于原有路由，前缀 /api/ai-writing/
 
-POST /api/ai-writing/start                  启动写作流程，返回 session_id
-GET  /api/ai-writing/{id}/stream            SSE 流（进度/干预/草稿事件）
-POST /api/ai-writing/{id}/resume            用户干预响应，恢复流程
-GET  /api/ai-writing/{id}/state             查询当前流程状态
-GET  /api/ai-writing/sessions               列出用户的会话历史
-GET  /api/ai-writing/sessions/{id}          获取单个历史会话
-PATCH /api/ai-writing/sessions/{id}         重命名会话标题
-DELETE /api/ai-writing/sessions/{id}        删除会话
+POST   /api/ai-writing/start                      启动写作流程，返回 session_id
+GET    /api/ai-writing/{id}/stream                SSE 流（进度/干预/草稿事件）
+POST   /api/ai-writing/{id}/resume                用户干预响应，恢复流程
+GET    /api/ai-writing/{id}/state                 查询当前流程状态
+GET    /api/ai-writing/sessions                   列出用户的会话历史
+GET    /api/ai-writing/sessions/{id}              获取单个历史会话
+PATCH  /api/ai-writing/sessions/{id}              重命名会话标题
+DELETE /api/ai-writing/sessions/{id}              删除会话
+GET    /api/ai-writing/article-types              列出所有文章类型
+POST   /api/ai-writing/article-types              新增文章类型
+PATCH  /api/ai-writing/article-types/{id}         更新文章类型
+DELETE /api/ai-writing/article-types/{id}         删除文章类型
 """
 from __future__ import annotations
 
@@ -59,6 +63,36 @@ class RenameSessionRequest(BaseModel):
     title: str
 
 
+class ArticleTypeRequest(BaseModel):
+    key: str
+    label: str
+    description: Optional[str] = None
+    prompt_hint: Optional[str] = None
+    default_word_count: int = 800
+    sort_order: int = 0
+
+
+class UpdateArticleTypeRequest(BaseModel):
+    key: Optional[str] = None
+    label: Optional[str] = None
+    description: Optional[str] = None
+    prompt_hint: Optional[str] = None
+    default_word_count: Optional[int] = None
+    sort_order: Optional[int] = None
+
+
+class ArticleTypeResponse(BaseModel):
+    id: str
+    key: str
+    label: str
+    description: Optional[str] = None
+    prompt_hint: Optional[str] = None
+    default_word_count: int
+    sort_order: int
+    created_at: str
+    updated_at: str
+
+
 class SessionResponse(BaseModel):
     id: str
     user_id: Optional[str] = None
@@ -93,6 +127,9 @@ _session_interventions: dict[str, list] = {}
 # session_id → True if session ended with error
 _session_error_flags: dict[str, bool] = {}
 
+# session_id → valid_article_types（list[dict] with key/label）
+_session_article_types: dict[str, list[dict]] = {}
+
 
 # ── 工具函数 ──────────────────────────────────────────────────────────────────
 
@@ -100,7 +137,7 @@ def _sse(event: str, data: dict) -> str:
     return f"event: {event}\ndata: {json.dumps(data, ensure_ascii=False)}\n\n"
 
 
-def _make_config(session_id: str, model_name: str = "") -> dict:
+def _make_config(session_id: str, model_name: str = "", valid_article_types: list[dict] | None = None) -> dict:
     return {
         "configurable": {
             "thread_id": session_id,
@@ -109,6 +146,8 @@ def _make_config(session_id: str, model_name: str = "") -> dict:
             # 把 SSE 队列注入，供草稿/大纲节点直接推流式 chunk
             "sse_queue": _event_queues.get(session_id),
             "sse_session_id": session_id,
+            # 动态文章类型列表，intent_parser 从此处读取有效枚举
+            "valid_article_types": valid_article_types or _session_article_types.get(session_id),
         }
     }
 
@@ -124,7 +163,7 @@ def _truncate_title(text: str, max_len: int = 50) -> str:
 async def start_writing(body: StartWritingRequest, request: Request):
     """启动写作流程，返回 session_id。"""
     from deerflow.agents.ai_writing.graph import AI_WRITING_GRAPH
-    from app.gateway.deps import get_ai_writing_session_store, get_current_user
+    from app.gateway.deps import get_ai_writing_session_store, get_article_type_store, get_current_user
 
     session_id = str(uuid.uuid4())
     queue: asyncio.Queue = asyncio.Queue()
@@ -132,6 +171,18 @@ async def start_writing(body: StartWritingRequest, request: Request):
     _session_model_names[session_id] = body.model_name
     _session_interventions[session_id] = []
 
+    # 加载动态文章类型列表，注入给 intent_parser 节点
+    article_type_store = get_article_type_store(request)
+    valid_article_types: list[dict] | None = None
+    if article_type_store is not None:
+        try:
+            records = await article_type_store.list()
+            if records:
+                valid_article_types = [{"key": r["key"], "label": r["label"]} for r in records]
+        except Exception:
+            logger.exception("ai_writing: failed to load article types for session=%s", session_id)
+    _session_article_types[session_id] = valid_article_types or []
+
     # 持久化会话记录（DB 可能未配置，则跳过）
     repo = get_ai_writing_session_store(request)
     user_id = await get_current_user(request)
@@ -165,7 +216,7 @@ async def start_writing(body: StartWritingRequest, request: Request):
         "review_result": None,
         "last_user_intervention": None,
     }
-    config = _make_config(session_id, body.model_name)
+    config = _make_config(session_id, body.model_name, valid_article_types=valid_article_types)
 
     asyncio.create_task(_stream_graph_segment(session_id, initial_state, config, AI_WRITING_GRAPH))
     return StartWritingResponse(session_id=session_id)
@@ -228,6 +279,79 @@ async def delete_session(session_id: str, request: Request):
     return {"success": True}
 
 
+@router.get("/article-types", response_model=list[ArticleTypeResponse])
+async def list_article_types(request: Request):
+    """列出所有文章类型，按 sort_order 升序排列。"""
+    from app.gateway.deps import get_article_type_store
+
+    store = get_article_type_store(request)
+    if store is None:
+        return []
+    return await store.list()
+
+
+@router.post("/article-types", response_model=ArticleTypeResponse, status_code=201)
+async def create_article_type(body: ArticleTypeRequest, request: Request):
+    """新增文章类型。key 必须全局唯一。"""
+    from app.gateway.deps import get_article_type_store
+
+    store = get_article_type_store(request)
+    if store is None:
+        raise HTTPException(status_code=503, detail="Article type store not available")
+    existing = await store.get_by_key(body.key)
+    if existing is not None:
+        raise HTTPException(status_code=409, detail=f"Article type key '{body.key}' already exists")
+    return await store.create(
+        key=body.key,
+        label=body.label,
+        description=body.description,
+        prompt_hint=body.prompt_hint,
+        default_word_count=body.default_word_count,
+        sort_order=body.sort_order,
+    )
+
+
+@router.patch("/article-types/{article_type_id}", response_model=ArticleTypeResponse)
+async def update_article_type(article_type_id: str, body: UpdateArticleTypeRequest, request: Request):
+    """更新文章类型字段（只传需要修改的字段）。"""
+    from app.gateway.deps import get_article_type_store
+
+    store = get_article_type_store(request)
+    if store is None:
+        raise HTTPException(status_code=503, detail="Article type store not available")
+    # 如果修改了 key，检查唯一性
+    if body.key is not None:
+        existing = await store.get_by_key(body.key)
+        if existing is not None and existing["id"] != article_type_id:
+            raise HTTPException(status_code=409, detail=f"Article type key '{body.key}' already exists")
+
+    _UNSET = object.__new__(object)
+    kwargs = {}
+    for field in ("key", "label", "description", "prompt_hint", "default_word_count", "sort_order"):
+        val = getattr(body, field)
+        if val is not None:
+            kwargs[field] = val
+
+    updated = await store.update(article_type_id, **kwargs)
+    if updated is None:
+        raise HTTPException(status_code=404, detail="Article type not found")
+    return updated
+
+
+@router.delete("/article-types/{article_type_id}")
+async def delete_article_type(article_type_id: str, request: Request):
+    """删除文章类型。"""
+    from app.gateway.deps import get_article_type_store
+
+    store = get_article_type_store(request)
+    if store is None:
+        raise HTTPException(status_code=503, detail="Article type store not available")
+    deleted = await store.delete(article_type_id)
+    if not deleted:
+        raise HTTPException(status_code=404, detail="Article type not found")
+    return {"success": True}
+
+
 @router.get("/{session_id}/stream")
 async def stream_progress(session_id: str):
     """SSE 流：推送进度事件、干预请求、草稿内容。"""
@@ -427,6 +551,7 @@ async def _stream_graph_segment(
             _session_user_ids.pop(session_id, None)
             _session_interventions.pop(session_id, None)
             _session_error_flags.pop(session_id, None)
+            _session_article_types.pop(session_id, None)
 
 
 def _event_type(evt: dict) -> str:
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/intent_parser.py b/offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/intent_parser.py
index 44136f44..a575d902 100644
--- a/offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/intent_parser.py
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/intent_parser.py
@@ -6,36 +6,66 @@ from langchain_core.runnables import RunnableConfig
 from ..state import AIWritingState
 from ._utils import llm_json
 
-_SYSTEM = """你是一名写作助手。
+# 兜底类型列表，当 config 中未注入 valid_article_types 时使用
+_DEFAULT_ARTICLE_TYPES: list[dict] = [
+    {"key": "news",     "label": "新闻资讯"},
+    {"key": "analysis", "label": "分析报道"},
+    {"key": "feature",  "label": "深度特稿"},
+    {"key": "report",   "label": "调研报告"},
+]
+
+_SYSTEM_TEMPLATE = """你是一名写作助手。
 你的任务：分析用户的写作意图，提取结构化的写作配置。
 
 【输出要求】
 - 只输出一个 JSON 对象，不要任何解释文字，不要 markdown 代码块。
 - 必须使用英文双引号 "。
-- article_type 只能是 news / analysis / feature / report 之一。
+- article_type 只能是以下之一：{type_options}。
 
 【完整示例】
 输入意图：帮我写一篇面向行业专家的深度文章，分析今年新能源汽车出口为什么大涨，大概两千字
 正确输出：
-{"article_type": "feature", "target_audience": "行业专家", "word_count_target": 2000, "refined_intent": "分析今年新能源汽车出口高速增长的原因"}"""
+{{"article_type": "feature", "target_audience": "行业专家", "word_count_target": 2000, "refined_intent": "分析今年新能源汽车出口高速增长的原因"}}"""
 
-_USER = """用户写作意图：{user_intent}
+_USER_TEMPLATE = """用户写作意图：{user_intent}
 
 请分析并输出以下 JSON（如果意图中未明确某字段，给出合理默认值）：
-{{
-  "article_type": "news|analysis|feature|report 之一",
+{{{{
+  "article_type": "{type_options} 之一",
   "target_audience": "目标读者描述",
   "word_count_target": 800,
   "refined_intent": "精炼后的写作意图（一句话）"
-}}"""
+}}}}"""
+
+
+def _build_type_options(types: list[dict]) -> str:
+    """将类型列表格式化为提示词中的枚举说明，如 news（新闻资讯）/ analysis（分析报道）。"""
+    return " / ".join(f'{t["key"]}（{t["label"]}）' for t in types)
 
 
 async def intent_parser_node(state: AIWritingState, config: RunnableConfig) -> dict:
+    # 从 configurable 读取动态类型列表，未配置时退回默认值
+    configurable = (config or {}).get("configurable", {})
+    valid_article_types: list[dict] = configurable.get("valid_article_types") or _DEFAULT_ARTICLE_TYPES
+    valid_keys: list[str] = [t["key"] for t in valid_article_types]
+    default_key: str = valid_keys[0] if valid_keys else "analysis"
+
+    type_options = _build_type_options(valid_article_types)
+    system = _SYSTEM_TEMPLATE.format(type_options=type_options)
+    user = _USER_TEMPLATE.format(
+        user_intent=state["user_intent"],
+        type_options=" | ".join(valid_keys),
+    )
+
+    fallback_type = state.get("article_type", default_key)
+    if fallback_type not in valid_keys:
+        fallback_type = default_key
+
     result = await llm_json(
-        _SYSTEM,
-        _USER.format(user_intent=state["user_intent"]),
+        system,
+        user,
         fallback={
-            "article_type": state.get("article_type", "analysis"),
+            "article_type": fallback_type,
             "target_audience": state.get("target_audience", "普通读者"),
             "word_count_target": state.get("word_count_target", 800),
             "refined_intent": state["user_intent"],
@@ -48,8 +78,10 @@ async def intent_parser_node(state: AIWritingState, config: RunnableConfig) -> d
         "progress_events": [{"type": "step_done", "agent_name": "系统", "message": "意图解析完成"}],
     }
 
-    if result.get("article_type"):
-        updates["article_type"] = result["article_type"]
+    # 校验 LLM 返回的 article_type 是否在有效范围内，不合法时回退到默认值
+    raw_type = result.get("article_type", "")
+    updates["article_type"] = raw_type if raw_type in valid_keys else fallback_type
+
     if result.get("target_audience"):
         updates["target_audience"] = result["target_audience"]
     if result.get("word_count_target"):
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/__init__.py b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/__init__.py
new file mode 100644
index 00000000..e347ed98
--- /dev/null
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/__init__.py
@@ -0,0 +1,11 @@
+from deerflow.persistence.article_types.model import ArticleTypeRow
+from deerflow.persistence.article_types.sql import ArticleTypeRepository
+
+
+def make_article_type_store(session_factory) -> ArticleTypeRepository | None:
+    if session_factory is None:
+        return None
+    return ArticleTypeRepository(session_factory)
+
+
+__all__ = ["ArticleTypeRow", "ArticleTypeRepository", "make_article_type_store"]
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/model.py b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/model.py
new file mode 100644
index 00000000..17b0f4ef
--- /dev/null
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/model.py
@@ -0,0 +1,24 @@
+"""ORM model for AI writing article types."""
+
+from __future__ import annotations
+
+from datetime import UTC, datetime
+
+from sqlalchemy import DateTime, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from deerflow.persistence.base import Base
+
+
+class ArticleTypeRow(Base):
+    __tablename__ = "ai_writing_article_types"
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    key: Mapped[str] = mapped_column(String(64), nullable=False, unique=True)
+    label: Mapped[str] = mapped_column(String(128), nullable=False)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    prompt_hint: Mapped[str | None] = mapped_column(Text, nullable=True)
+    default_word_count: Mapped[int] = mapped_column(Integer, nullable=False, default=800)
+    sort_order: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(UTC))
+    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(UTC))
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/sql.py b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/sql.py
new file mode 100644
index 00000000..463d89de
--- /dev/null
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/article_types/sql.py
@@ -0,0 +1,123 @@
+"""SQLAlchemy-backed article type storage."""
+
+from __future__ import annotations
+
+import uuid
+from datetime import UTC, datetime
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from deerflow.persistence.article_types.model import ArticleTypeRow
+
+_UNSET = object()
+
+
+class ArticleTypeRepository:
+    def __init__(self, session_factory: async_sessionmaker[AsyncSession]) -> None:
+        self._sf = session_factory
+
+    @staticmethod
+    def _row_to_dict(row: ArticleTypeRow) -> dict:
+        d = row.to_dict()
+        for k in ("created_at", "updated_at"):
+            if isinstance(d.get(k), datetime):
+                d[k] = d[k].isoformat()
+        return d
+
+    async def create(
+        self,
+        *,
+        key: str,
+        label: str,
+        description: str | None = None,
+        prompt_hint: str | None = None,
+        default_word_count: int = 800,
+        sort_order: int = 0,
+    ) -> dict:
+        now = datetime.now(UTC)
+        row = ArticleTypeRow(
+            id=str(uuid.uuid4()),
+            key=key,
+            label=label,
+            description=description,
+            prompt_hint=prompt_hint,
+            default_word_count=default_word_count,
+            sort_order=sort_order,
+            created_at=now,
+            updated_at=now,
+        )
+        async with self._sf() as session:
+            session.add(row)
+            await session.commit()
+            await session.refresh(row)
+            return self._row_to_dict(row)
+
+    async def update(
+        self,
+        article_type_id: str,
+        *,
+        key=_UNSET,
+        label=_UNSET,
+        description=_UNSET,
+        prompt_hint=_UNSET,
+        default_word_count=_UNSET,
+        sort_order=_UNSET,
+    ) -> dict | None:
+        async with self._sf() as session:
+            row = await session.get(ArticleTypeRow, article_type_id)
+            if row is None:
+                return None
+            if key is not _UNSET:
+                row.key = key
+            if label is not _UNSET:
+                row.label = label
+            if description is not _UNSET:
+                row.description = description
+            if prompt_hint is not _UNSET:
+                row.prompt_hint = prompt_hint
+            if default_word_count is not _UNSET:
+                row.default_word_count = default_word_count
+            if sort_order is not _UNSET:
+                row.sort_order = sort_order
+            row.updated_at = datetime.now(UTC)
+            await session.commit()
+            await session.refresh(row)
+            return self._row_to_dict(row)
+
+    async def get(self, article_type_id: str) -> dict | None:
+        async with self._sf() as session:
+            row = await session.get(ArticleTypeRow, article_type_id)
+            if row is None:
+                return None
+            return self._row_to_dict(row)
+
+    async def get_by_key(self, key: str) -> dict | None:
+        async with self._sf() as session:
+            stmt = select(ArticleTypeRow).where(ArticleTypeRow.key == key)
+            result = await session.execute(stmt)
+            row = result.scalar_one_or_none()
+            if row is None:
+                return None
+            return self._row_to_dict(row)
+
+    async def list(self) -> list[dict]:
+        stmt = select(ArticleTypeRow).order_by(ArticleTypeRow.sort_order.asc(), ArticleTypeRow.created_at.asc())
+        async with self._sf() as session:
+            result = await session.execute(stmt)
+            return [self._row_to_dict(r) for r in result.scalars()]
+
+    async def delete(self, article_type_id: str) -> bool:
+        async with self._sf() as session:
+            row = await session.get(ArticleTypeRow, article_type_id)
+            if row is None:
+                return False
+            await session.delete(row)
+            await session.commit()
+            return True
+
+    async def list_keys(self) -> list[str]:
+        stmt = select(ArticleTypeRow.key).order_by(ArticleTypeRow.sort_order.asc())
+        async with self._sf() as session:
+            result = await session.execute(stmt)
+            return list(result.scalars())
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/persistence/migrations/versions/20260517_02_article_types.py b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/migrations/versions/20260517_02_article_types.py
new file mode 100644
index 00000000..a1d8c179
--- /dev/null
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/persistence/migrations/versions/20260517_02_article_types.py
@@ -0,0 +1,107 @@
+"""Create ai_writing_article_types table with default types.
+
+Revision ID: 20260517_02
+Revises: 20260517_01
+Create Date: 2026-05-17
+"""
+
+from __future__ import annotations
+
+import uuid
+from datetime import UTC, datetime
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy import inspect
+
+
+revision = "20260517_02"
+down_revision = "20260517_01"
+branch_labels = None
+depends_on = None
+
+_DEFAULT_TYPES = [
+    {
+        "key": "news",
+        "label": "新闻资讯",
+        "description": "时效性强的新闻报道，注重事实准确、简洁客观",
+        "prompt_hint": "以新闻报道的风格写作，注重5W1H要素，语言简洁客观，突出时效性和事实准确性",
+        "default_word_count": 600,
+        "sort_order": 0,
+    },
+    {
+        "key": "analysis",
+        "label": "分析报道",
+        "description": "深入分析事件背景与影响，提供专业见解",
+        "prompt_hint": "以分析报道的风格写作，提供深度背景分析、多角度解读和专业见解，逻辑清晰",
+        "default_word_count": 1200,
+        "sort_order": 1,
+    },
+    {
+        "key": "feature",
+        "label": "深度特稿",
+        "description": "人物或事件的深度叙事，注重细节与故事性",
+        "prompt_hint": "以深度特稿的风格写作，注重叙事性和细节描写，人物刻画生动，故事性强，情感真实",
+        "default_word_count": 2000,
+        "sort_order": 2,
+    },
+    {
+        "key": "report",
+        "label": "调研报告",
+        "description": "数据驱动的专题研究报告，结构严谨",
+        "prompt_hint": "以调研报告的风格写作，数据详实，结构严谨（摘要/背景/发现/结论），语言专业规范",
+        "default_word_count": 3000,
+        "sort_order": 3,
+    },
+]
+
+
+def _has_table(table_name: str) -> bool:
+    inspector = inspect(op.get_bind())
+    return table_name in inspector.get_table_names()
+
+
+def upgrade() -> None:
+    if not _has_table("ai_writing_article_types"):
+        op.create_table(
+            "ai_writing_article_types",
+            sa.Column("id", sa.String(64), primary_key=True),
+            sa.Column("key", sa.String(64), nullable=False, unique=True),
+            sa.Column("label", sa.String(128), nullable=False),
+            sa.Column("description", sa.Text, nullable=True),
+            sa.Column("prompt_hint", sa.Text, nullable=True),
+            sa.Column("default_word_count", sa.Integer, nullable=False, server_default="800"),
+            sa.Column("sort_order", sa.Integer, nullable=False, server_default="0"),
+            sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+            sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        )
+
+    # 预置默认文章类型（幂等，跳过已存在的 key）
+    conn = op.get_bind()
+    existing_keys = {row[0] for row in conn.execute(sa.text("SELECT key FROM ai_writing_article_types")).fetchall()}
+    now = datetime.now(UTC)
+    for t in _DEFAULT_TYPES:
+        if t["key"] not in existing_keys:
+            conn.execute(
+                sa.text(
+                    "INSERT INTO ai_writing_article_types "
+                    "(id, key, label, description, prompt_hint, default_word_count, sort_order, created_at, updated_at) "
+                    "VALUES (:id, :key, :label, :description, :prompt_hint, :default_word_count, :sort_order, :created_at, :updated_at)"
+                ),
+                {
+                    "id": str(uuid.uuid4()),
+                    "key": t["key"],
+                    "label": t["label"],
+                    "description": t["description"],
+                    "prompt_hint": t["prompt_hint"],
+                    "default_word_count": t["default_word_count"],
+                    "sort_order": t["sort_order"],
+                    "created_at": now,
+                    "updated_at": now,
+                },
+            )
+
+
+def downgrade() -> None:
+    if _has_table("ai_writing_article_types"):
+        op.drop_table("ai_writing_article_types")