diff --git a/test/utils/wechat-mp.js b/lib/utils/wechat-mp.test.ts
similarity index 90%
rename from test/utils/wechat-mp.js
rename to lib/utils/wechat-mp.test.ts
index 2dd7e865b..1661b1b40 100644
--- a/test/utils/wechat-mp.js
+++ b/lib/utils/wechat-mp.test.ts
@@ -1,17 +1,7 @@
-process.env.REQUEST_TIMEOUT = '500';
-const cheerio = require('cheerio');
-const {
-    _internal: { normalizeUrl },
-    fetchArticle,
-    finishArticleItem,
-    fixArticleContent,
-} = require('../../lib/utils/wechat-mp');
-const nock = require('nock');
-const ctx = require('../../lib/app').context;
-
-afterAll(() => {
-    delete process.env.REQUEST_TIMEOUT;
-});
+import { describe, expect, it } from '@jest/globals';
+import { load } from 'cheerio';
+import nock from 'nock';
+import { fixArticleContent, fetchArticle, finishArticleItem, normalizeUrl } from '@/utils/wechat-mp';
 
 // date from the cache will be an ISO8601 string, so we need to use this function
 const compareDate = (date1, date2) => {
@@ -56,20 +46,19 @@ describe('wechat-mp', () => {
             '<script>const test = "test"</script>';
         const expectedHtmlSection =
             expectedCodeSection + '<p>test</p>' + '<div><p>test</p></div>' + '<div><div>test</div></div>' + '<div><div><p>test</p></div></div>' + '<div><div><p>test</p></div></div>' + '<p>test</p>' + '<div><p>test</p></div>';
-        let $ = cheerio.load(divHeader + htmlSection + divFooter);
+        let $ = load(divHeader + htmlSection + divFooter);
         expect(fixArticleContent(htmlSection)).toBe(expectedHtmlSection);
         expect(fixArticleContent($('div#js_content.rich_media_content'))).toBe(expectedHtmlSection);
 
         const htmlImg = '<img alt="test" data-src="http://rsshub.test/test.jpg" src="http://rsshub.test/test.jpg">' + '<img alt="test" data-src="http://rsshub.test/test.jpg">' + '<img alt="test" src="http://rsshub.test/test.jpg">';
         const expectedHtmlImg = Array.from({ length: 3 + 1 }).join('<img alt="test" src="http://rsshub.test/test.jpg">');
-        $ = cheerio.load(divHeader + htmlImg + divFooter);
+        $ = load(divHeader + htmlImg + divFooter);
         expect(fixArticleContent(htmlImg)).toBe(expectedHtmlImg);
         expect(fixArticleContent($('div#js_content.rich_media_content'))).toBe(expectedHtmlImg);
         expect(fixArticleContent(htmlImg, true)).toBe(htmlImg);
         expect(fixArticleContent($('div#js_content.rich_media_content'), true)).toBe(htmlImg);
 
         expect(fixArticleContent('')).toBe('');
-        expect(fixArticleContent(null)).toBe('');
         expect(fixArticleContent()).toBe('');
         expect(fixArticleContent($('div#something_not_in.the_document_tree'))).toBe('');
     });
@@ -121,7 +110,14 @@ describe('wechat-mp', () => {
         const httpsUrl = 'https://mp.weixin.qq.com/rsshub_test/wechatMp_fetchArticle';
         const httpUrl = httpsUrl.replace(/^https:\/\//, 'http://');
 
-        const expectedItem = {
+        const expectedItem: {
+            title: string;
+            summary: string;
+            author: string;
+            description: string;
+            mpName?: string;
+            link: string;
+        } = {
             title: 'title',
             summary: 'summary',
             author: 'author',
@@ -131,13 +127,13 @@ describe('wechat-mp', () => {
         };
         const expectedDate = new Date(ct * 1000);
 
-        const fetchArticleItem = await fetchArticle(ctx, httpUrl);
+        const fetchArticleItem = await fetchArticle(httpUrl);
         expect(compareDate(fetchArticleItem.pubDate, expectedDate)).toBe(true);
         delete fetchArticleItem.pubDate;
         expect(fetchArticleItem).toEqual(expectedItem);
 
         delete expectedItem.mpName;
-        const finishedArticleItem = await finishArticleItem(ctx, { link: httpUrl });
+        const finishedArticleItem = await finishArticleItem({ link: httpUrl });
         expect(compareDate(finishedArticleItem.pubDate, expectedDate)).toBe(true);
         delete finishedArticleItem.pubDate;
         expect(finishedArticleItem).toEqual(expectedItem);
diff --git a/lib/utils/wechat-mp.ts b/lib/utils/wechat-mp.ts
index 4ea1c811e..2f847df79 100644
--- a/lib/utils/wechat-mp.ts
+++ b/lib/utils/wechat-mp.ts
@@ -26,8 +26,9 @@
  */
 
 import got from '@/utils/got';
-import { load } from 'cheerio';
+import { load, type Cheerio, type Element } from 'cheerio';
 import { parseDate } from '@/utils/parse-date';
+import cache from '@/utils/cache';
 
 const replaceTag = ($, oldTag, newTagName) => {
     oldTag = $(oldTag);
@@ -76,12 +77,17 @@ const detectSourceUrl = ($) => {
  * @param {boolean} skipImg - Whether to skip fixing images.
  * @return {string} - The fixed html, a string.
  */
-const fixArticleContent = (html, skipImg = false) => {
-    html = html && html.html ? html.html() : html; // do not disturb the original tree
-    if (!html) {
+const fixArticleContent = (html?: string | Cheerio<Element>, skipImg = false) => {
+    let htmlResult = '';
+    if (typeof html === 'string') {
+        htmlResult = html;
+    } else if (html?.html) {
+        htmlResult = html.html() || '';
+    }
+    if (!htmlResult) {
         return '';
     }
-    const $ = load(html, undefined, false);
+    const $ = load(htmlResult, undefined, false);
     if (!skipImg) {
         // fix img lazy loading
         $('img[data-src]').each((_, img) => {
@@ -187,9 +193,9 @@ const normalizeUrl = (url, bypassHostCheck = false) => {
  * @param {boolean} bypassHostCheck - Whether to bypass host check.
  * @return {Promise<object>} - An object containing the article and its metadata.
  */
-const fetchArticle = (ctx, url, bypassHostCheck = false) => {
+const fetchArticle = (url, bypassHostCheck = false) => {
     url = normalizeUrl(url, bypassHostCheck);
-    return ctx.cache.tryGet(url, async () => {
+    return cache.tryGet(url, async () => {
         const response = await got(url);
         // @ts-expect-error custom field
         const $ = load(response.data);
@@ -225,7 +231,15 @@ const fetchArticle = (ctx, url, bypassHostCheck = false) => {
         let mpName = $('.profile_nickname').first().text();
         mpName = mpName && mpName.trim();
         return { title, author, description, summary, pubDate, mpName, link: response.url };
-    });
+    }) as Promise<{
+        title: string;
+        author: string;
+        description: string;
+        summary: string;
+        pubDate?: Date;
+        mpName?: string;
+        link: string;
+    }>;
 };
 
 /**
@@ -244,8 +258,8 @@ const fetchArticle = (ctx, url, bypassHostCheck = false) => {
  * @param {boolean} skipLink - Whether to skip overriding `item.link` with the normalized url.
  * @return {Promise<object>} - The incoming `item` object, with the article and its metadata filled in.
  */
-const finishArticleItem = async (ctx, item, setMpNameAsAuthor = false, skipLink = false) => {
-    const { title, author, description, summary, pubDate, mpName, link } = await fetchArticle(ctx, item.link);
+const finishArticleItem = async (item, setMpNameAsAuthor = false, skipLink = false) => {
+    const { title, author, description, summary, pubDate, mpName, link } = await fetchArticle(item.link);
     item.title = title || item.title;
     item.description = description || item.description;
     item.summary = summary || item.summary;
diff --git a/lib/v2/gov/general/general.js b/lib/v2/gov/general/general.js
index db7c8881f..f09a4c6ac 100644
--- a/lib/v2/gov/general/general.js
+++ b/lib/v2/gov/general/general.js
@@ -187,7 +187,7 @@ const gdgov = async (info, ctx) => {
                 });
             } else if (idlink.host === 'mp.weixin.qq.com') {
                 const { finishArticleItem } = require('@/utils/wechat-mp');
-                return finishArticleItem(ctx, { link });
+                return finishArticleItem({ link });
             } else {
                 return ctx.cache.tryGet(link, async () => {
                     // 获取网页
diff --git a/lib/v2/gov/nmpa/generic.js b/lib/v2/gov/nmpa/generic.js
index 125dcb996..ea6000416 100644
--- a/lib/v2/gov/nmpa/generic.js
+++ b/lib/v2/gov/nmpa/generic.js
@@ -45,7 +45,7 @@ module.exports = async (ctx) => {
                     return item;
                 });
             } else if (/^https:\/\/mp\.weixin\.qq\.com\//.test(item.link)) {
-                return finishArticleItem(ctx, item);
+                return finishArticleItem(item);
             } else {
                 return item;
             }
diff --git a/lib/v2/hrbeu/job/list.js b/lib/v2/hrbeu/job/list.js
index 47d2fa219..1227099b2 100644
--- a/lib/v2/hrbeu/job/list.js
+++ b/lib/v2/hrbeu/job/list.js
@@ -48,7 +48,7 @@ module.exports = async (ctx) => {
                     const content = cheerio.load(detailResponse.data);
                     item.description = content('.article').html();
                 } else if (new URL(item.link).hostname === 'mp.weixin.qq.com') {
-                    await finishArticleItem(ctx, item);
+                    await finishArticleItem(item);
                 } else {
                     item.description = '本文需跳转，请点击标题后阅读';
                 }
diff --git a/lib/v2/hrbeu/uae/news.js b/lib/v2/hrbeu/uae/news.js
index f2a61b834..d40e4ceba 100644
--- a/lib/v2/hrbeu/uae/news.js
+++ b/lib/v2/hrbeu/uae/news.js
@@ -49,7 +49,7 @@ module.exports = async (ctx) => {
                     const $1 = cheerio.load(resp.data);
                     item.description = $1('div#print').html();
                 } else if (new URL(item.link).hostname === 'mp.weixin.qq.com') {
-                    await finishArticleItem(ctx, item);
+                    await finishArticleItem(item);
                 } else {
                     item.description = '本文需跳转，请点击标题后阅读';
                 }
diff --git a/lib/v2/newrank/wechat.js b/lib/v2/newrank/wechat.js
index e7b8422a3..ddb57cd9d 100644
--- a/lib/v2/newrank/wechat.js
+++ b/lib/v2/newrank/wechat.js
@@ -55,7 +55,7 @@ module.exports = async (ctx) => {
         link: item.url,
         pubDate: item.publicTime,
     }));
-    await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title: name + ' - 微信公众号',
diff --git a/lib/v2/nua/utils.js b/lib/v2/nua/utils.js
index ea2cb6706..543acf04f 100644
--- a/lib/v2/nua/utils.js
+++ b/lib/v2/nua/utils.js
@@ -59,7 +59,7 @@ const ProcessFeed = (items, artiContent, ctx) =>
                         return item;
                     }
                     case 'wechat-mp':
-                        return fetchArticle(ctx, item.link);
+                        return fetchArticle(item.link);
                     case 'unknown':
                     default:
                         item.description = `暂不支持解析该内容，请点击 ${arti_link('原文', item.link)}`;
diff --git a/lib/v2/pku/nsd.js b/lib/v2/pku/nsd.js
index 56f2d2431..30dfac829 100644
--- a/lib/v2/pku/nsd.js
+++ b/lib/v2/pku/nsd.js
@@ -40,7 +40,7 @@ module.exports = async (ctx) => {
         list.map((item) => {
             switch (item.type) {
                 case 'wechat-mp':
-                    return finishArticleItem(ctx, item);
+                    return finishArticleItem(item);
                 case 'pku-news':
                     return ctx.cache.tryGet(item.link, async () => {
                         const detailResponse = await got({ url: item.link, https: { rejectUnauthorized: false } });
diff --git a/lib/v2/sdu/cs.js b/lib/v2/sdu/cs.js
index a8bcf54e6..7b4386bee 100644
--- a/lib/v2/sdu/cs.js
+++ b/lib/v2/sdu/cs.js
@@ -31,7 +31,7 @@ module.exports = async (ctx) => {
         item.map((item) =>
             ctx.cache.tryGet(item.link, async () => {
                 if (new URL(item.link).hostname === 'mp.weixin.qq.com') {
-                    return finishArticleItem(ctx, item);
+                    return finishArticleItem(item);
                 } else if (new URL(item.link).hostname !== 'www.cs.sdu.edu.cn') {
                     return item;
                 }
diff --git a/lib/v2/sjtu/gs.js b/lib/v2/sjtu/gs.js
index 934b352e9..59592043f 100644
--- a/lib/v2/sjtu/gs.js
+++ b/lib/v2/sjtu/gs.js
@@ -36,7 +36,7 @@ module.exports = async (ctx) => {
         list.map((item) =>
             ctx.cache.tryGet(item.link, async () => {
                 if (new URL(item.link).hostname === 'mp.weixin.qq.com') {
-                    item.description = (await fetchArticle(ctx, item.link)).description;
+                    item.description = (await fetchArticle(item.link)).description;
                 } else {
                     const detailResponse = await got({
                         method: 'get',
diff --git a/lib/v2/slowmist/slowmist.js b/lib/v2/slowmist/slowmist.js
index 1b7f6ded2..2a72f102c 100644
--- a/lib/v2/slowmist/slowmist.js
+++ b/lib/v2/slowmist/slowmist.js
@@ -39,7 +39,7 @@ module.exports = async (ctx) => {
         pubDate: parseDate(item.date),
     }));
 
-    items = await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    items = await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title,
diff --git a/lib/v2/tju/oaa/index.js b/lib/v2/tju/oaa/index.js
index c05704145..b11af621d 100644
--- a/lib/v2/tju/oaa/index.js
+++ b/lib/v2/tju/oaa/index.js
@@ -82,7 +82,7 @@ module.exports = async (ctx) => {
             list.map((item) => {
                 switch (item.type) {
                     case 'wechat-mp':
-                        return finishArticleItem(ctx, item);
+                        return finishArticleItem(item);
                     case 'tju-oaa':
                     case 'in-site':
                         return ctx.cache.tryGet(item.link, async () => {
diff --git a/lib/v2/wechat/data258.js b/lib/v2/wechat/data258.js
index f3c7d0f63..74ba34e63 100644
--- a/lib/v2/wechat/data258.js
+++ b/lib/v2/wechat/data258.js
@@ -119,7 +119,7 @@ module.exports = async (ctx) => {
         throw err;
     }
 
-    await Promise.all(items.map((item) => finishArticleItem(ctx, item, !!categoryPage)));
+    await Promise.all(items.map((item) => finishArticleItem(item, !!categoryPage)));
 
     ctx.state.data = {
         title,
diff --git a/lib/v2/wechat/ershcimi.js b/lib/v2/wechat/ershcimi.js
index ceaeb39e8..0a48ad0b9 100644
--- a/lib/v2/wechat/ershcimi.js
+++ b/lib/v2/wechat/ershcimi.js
@@ -24,7 +24,7 @@ module.exports = async (ctx) => {
         })
         .get();
 
-    await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title: `微信公众号 - ${$('span.name').text()}`,
diff --git a/lib/v2/wechat/feeddd.js b/lib/v2/wechat/feeddd.js
index 46365938c..1e7449a26 100644
--- a/lib/v2/wechat/feeddd.js
+++ b/lib/v2/wechat/feeddd.js
@@ -27,7 +27,7 @@ module.exports = async (ctx) => {
         guid: item.id,
     }));
 
-    items = await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    items = await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title: response.data.title,
diff --git a/lib/v2/wechat/feeds.js b/lib/v2/wechat/feeds.js
index c28378f2f..1b4f4572a 100644
--- a/lib/v2/wechat/feeds.js
+++ b/lib/v2/wechat/feeds.js
@@ -12,7 +12,7 @@ module.exports = async (ctx) => {
         link: item.link,
         guid: item.link,
     }));
-    await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title: feed.title,
diff --git a/lib/v2/wechat/mp.js b/lib/v2/wechat/mp.js
index 31bd63326..02303ad92 100755
--- a/lib/v2/wechat/mp.js
+++ b/lib/v2/wechat/mp.js
@@ -32,7 +32,7 @@ module.exports = async (ctx) => {
                 link: item.link,
                 guid: item.link,
             };
-            return finishArticleItem(ctx, single);
+            return finishArticleItem(single);
         })
     );
     ctx.state.data = {
diff --git a/lib/v2/wechat/msgalbum.js b/lib/v2/wechat/msgalbum.js
index 1a65f9c44..a8df36819 100644
--- a/lib/v2/wechat/msgalbum.js
+++ b/lib/v2/wechat/msgalbum.js
@@ -23,7 +23,7 @@ module.exports = async (ctx) => {
                 link,
                 guid: link,
             };
-            return finishArticleItem(ctx, single);
+            return finishArticleItem(single);
         })
     );
     ctx.state.data = {
diff --git a/lib/v2/wechat/sogou.js b/lib/v2/wechat/sogou.js
index d9d4895fa..582273a86 100644
--- a/lib/v2/wechat/sogou.js
+++ b/lib/v2/wechat/sogou.js
@@ -47,7 +47,7 @@ module.exports = async (ctx) => {
         guid: link,
     };
 
-    await finishArticleItem(ctx, item);
+    await finishArticleItem(item);
 
     ctx.state.data = {
         title: `${title} 的微信公众号`,
diff --git a/lib/v2/wechat/tgchannel.js b/lib/v2/wechat/tgchannel.js
index fec19dbee..70b19b1f9 100644
--- a/lib/v2/wechat/tgchannel.js
+++ b/lib/v2/wechat/tgchannel.js
@@ -126,7 +126,7 @@ module.exports = async (ctx) => {
 
                 if (link !== undefined) {
                     try {
-                        return await finishArticleItem(ctx, single);
+                        return await finishArticleItem(single);
                     } catch {
                         single.description = item.find('.tgme_widget_message_text').html();
                     }
diff --git a/lib/v2/wechat/wechat2rss.js b/lib/v2/wechat/wechat2rss.js
index 618fa051b..f81c3be54 100644
--- a/lib/v2/wechat/wechat2rss.js
+++ b/lib/v2/wechat/wechat2rss.js
@@ -16,7 +16,7 @@ module.exports = async (ctx) => {
         link: i.link,
     }));
 
-    items = await Promise.all(items.map((item) => finishArticleItem(ctx, item)));
+    items = await Promise.all(items.map((item) => finishArticleItem(item)));
 
     ctx.state.data = {
         title,