diff --git a/lib/routes/caus/index.ts b/lib/routes/caus/index.ts
index d93a108da..181824e62 100644
--- a/lib/routes/caus/index.ts
+++ b/lib/routes/caus/index.ts
@@ -1,32 +1,18 @@
 import type { Route } from '@/types';
-import cache from '@/utils/cache';
-import got from '@/utils/got';
+import ofetch from '@/utils/ofetch';
+import { parseDate } from '@/utils/parse-date';
 
+// Reason: preserve original category numbers for backward compatibility.
+// WordPress category ids from REST API (GET /wp-json/wp/v2/categories).
+// Old categories "商业"(2) and "快讯"(3) no longer exist on the new site,
+// mapped to closest equivalents: 2→财富(finance), 3→社会(lifestyle).
 const categories = {
-    0: {
-        title: '全部',
-        link: 'home?id=0',
-    },
-    1: {
-        title: '要闻',
-        link: 'focus_news?id=1',
-    },
-    2: {
-        title: '商业',
-        link: 'business?id=2',
-    },
-    3: {
-        title: '快讯',
-        link: 'hours?id=3',
-    },
-    8: {
-        title: '财富',
-        link: 'fortune?id=8',
-    },
-    6: {
-        title: '生活',
-        link: 'life?id=6',
-    },
+    0: { title: '全部', slug: '', id: 0 },
+    1: { title: '要闻', slug: 'news', id: 101 },
+    2: { title: '商业', slug: 'finance', id: 108 },
+    3: { title: '快讯', slug: 'lifestyle', id: 106 },
+    8: { title: '财富', slug: 'finance', id: 108 },
+    6: { title: '生活', slug: 'lifestyle', id: 106 },
 };
 
 export const route: Route = {
@@ -52,59 +38,35 @@ export const route: Route = {
 
 async function handler(ctx) {
     const category = ctx.req.param('category') || '0';
+    const cat = categories[category] || categories[0];
 
-    const isHome = category === '0';
+    const rootUrl = 'https://caus.com';
+    const apiUrl = `${rootUrl}/wp-json/wp/v2/posts`;
 
-    const rootUrl = 'https://www.caus.com';
-    const apiRootUrl = 'https://api.caus.money';
+    const query: Record<string, string | number> = {
+        per_page: 20,
+        // Reason: using _embed=1 with many posts produces responses too large for ofetch to parse as JSON
+        _embed: 'author,wp:term',
+    };
+    if (cat.id) {
+        query.categories = cat.id;
+    }
 
-    const currentUrl = `${rootUrl}/${categories[category].link}`;
-    const searchUrl = `${apiRootUrl}/toronto/display/searchList`;
-    const listUrl = `${apiRootUrl}/toronto/display/lanmuArticlelistNew`;
+    const data = await ofetch(apiUrl, { query });
 
-    const response = await got({
-        method: 'post',
-        url: isHome ? searchUrl : listUrl,
-        json: isHome
-            ? {
-                  pageQ: {
-                      pageSize: 10,
-                      sortFiled: 'id',
-                      sortType: 'DESC',
-                  },
-                  types: ['ARTICLE', 'VIDEO'],
-              }
-            : {
-                  filterIds: [],
-                  lanmuId: Number.parseInt(category),
-              },
-    });
-
-    const list = (isHome ? response.data.data : response.data.data.articleList).map((item) => ({
-        title: item.title,
-        link: `${rootUrl}/detail/${item.contentId}`,
-        contentId: item.contentId,
-        pubDate: new Date(item.createTime),
-        category: [...new Set([...item.lanmus.map((lanmu) => lanmu.name), ...item.tags.map((tag) => tag.name)])],
+    const items = data.map((item) => ({
+        title: item.title.rendered,
+        link: item.link,
+        description: item.content.rendered,
+        pubDate: parseDate(item.date_gmt),
+        author: item._embedded?.author?.[0]?.name,
+        category: item._embedded?.['wp:term']?.[0]?.map((t) => t.name),
     }));
 
-    const items = await Promise.all(
-        list.map((item) =>
-            cache.tryGet(item.link, async () => {
-                const detailResponse = await got({
-                    method: 'get',
-                    url: `${apiRootUrl}/toronto/display/contentWithRelate?contentId=${item.contentId}`,
-                });
-
-                item.description = detailResponse.data.data.content.content;
-
-                return item;
-            })
-        )
-    );
+    const currentUrl = cat.slug ? `${rootUrl}/category/${cat.slug}/` : rootUrl;
 
     return {
-        title: `${categories[category].title} - 加美财经`,
+        title: `${cat.title} - 加美财经`,
         link: currentUrl,
         item: items,
     };