diff --git a/lib/routes/readhub/category.js b/lib/routes/readhub/category.js
index c1922d9e5..0dcf8d468 100644
--- a/lib/routes/readhub/category.js
+++ b/lib/routes/readhub/category.js
@@ -43,56 +43,60 @@ module.exports = async (ctx) => {
         url: `https://api.readhub.cn/${path}`,
     });
 
-    const promises = data.map(async (news) => {
-        const id = news.id;
-        if (category === 'topic' || category === 'daily') {
-            const link = `https://readhub.cn/topic/${id}`;
-            const cache = await ctx.cache.get(link);
-            if (cache) {
-                return cache;
-            }
-            const { data } = await axios.get(`https://api.readhub.cn/topic/${id}`);
-            let description = data.summary;
-            if (data.newsArray) {
-                description += '<br/><br/>媒体报道：';
-                for (const one of data.newsArray) {
-                    description += `<br/>${dayjs(new Date(one.publishDate)).format('YY-MM-DD')} ${one.siteName}: <a href='${one.mobileUrl || one.url}'>${one.title}</a>`;
+    const out = await Promise.all(
+        data.map(async (news) => {
+            const id = news.id;
+            let item;
+            if (category === 'topic' || category === 'daily') {
+                const link = `https://readhub.cn/topic/${id}`;
+                const cache = await ctx.cache.get(link);
+                if (cache) {
+                    return Promise.resolve(JSON.parse(cache));
                 }
-            }
-            if (data.timeline && data.timeline.topics) {
-                let type = '相关事件';
-                if (data.timeline.commonEntities && data.timeline.commonEntities.length > 0) {
-                    type = '事件追踪';
+                const { data } = await axios.get(`https://api.readhub.cn/topic/${id}`);
+                let description = data.summary;
+                if (data.newsArray) {
+                    description += '<br/><br/>媒体报道：';
+                    for (const one of data.newsArray) {
+                        description += `<br/>${dayjs(new Date(one.publishDate)).format('YY-MM-DD')} ${one.siteName}: <a href='${one.mobileUrl || one.url}'>${one.title}</a>`;
+                    }
                 }
-                description += `<br/><br/>${type}：`;
-                for (const one of data.timeline.topics) {
-                    description += `<br/>${dayjs(new Date(one.createdAt)).format('YY-MM-DD')} <a href='https://readhub.cn/topic/${one.id}'>${one.title.trim()}</a>`;
+                if (data.timeline && data.timeline.topics) {
+                    let type = '相关事件';
+                    if (data.timeline.commonEntities && data.timeline.commonEntities.length > 0) {
+                        type = '事件追踪';
+                    }
+                    description += `<br/><br/>${type}：`;
+                    for (const one of data.timeline.topics) {
+                        description += `<br/>${dayjs(new Date(one.createdAt)).format('YY-MM-DD')} <a href='https://readhub.cn/topic/${one.id}'>${one.title.trim()}</a>`;
+                    }
                 }
+                item = {
+                    title: data.title,
+                    description: description.replace(new RegExp('\n', 'g'), '<br/>'),
+                    pubDate: data.publishDate,
+                    guid: id,
+                    link,
+                };
+            } else {
+                const description = news.summaryAuto || news.summary || news.title;
+                item = {
+                    title: news.title,
+                    description: description.replace(new RegExp('\n', 'g'), '<br/>'),
+                    pubDate: news.publishDate,
+                    guid: id,
+                    link: news.url || news.mobileUrl,
+                };
             }
-            const item = {
-                title: data.title,
-                description: description.replace(new RegExp('\n', 'g'), '<br/>'),
-                pubDate: data.publishDate,
-                guid: id,
-                link,
-            };
-            await ctx.cache.set(link, description, 24 * 60 * 60);
-            return item;
-        } else {
-            const description = news.summaryAuto || news.summary || news.title;
-            return {
-                title: news.title,
-                description: description.replace(new RegExp('\n', 'g'), '<br/>'),
-                pubDate: news.publishDate,
-                guid: id,
-                link: news.url || news.mobileUrl,
-            };
-        }
-    });
+
+            await ctx.cache.set(link, JSON.stringify(item), 24 * 60 * 60);
+            return Promise.resolve(item);
+        })
+    );
 
     ctx.state.data = {
-        title: `Readhub-${title}`,
+        title: `Readhub - ${title}`,
         link,
-        item: await Promise.all(promises),
+        item: out,
     };
 };