diff --git a/lib/routes/zhihu/namespace.ts b/lib/routes/zhihu/namespace.ts
index e06bffd81dadc7..b8b63d9c258677 100644
--- a/lib/routes/zhihu/namespace.ts
+++ b/lib/routes/zhihu/namespace.ts
@@ -3,4 +3,7 @@ import type { Namespace } from '@/types';
 export const namespace: Namespace = {
     name: '知乎',
     url: 'www.zhihu.com',
+    description: `:::tip
+自2024年7月，未登录状态下大部分路由[无法获取全文](https://github.com/DIYgod/RSSHub/issues/16260)。若有需要请在登陆知乎后寻找并添加包含\`z_c0\`的Cookies至环境变量\`ZHIHU_COOKIES\`。
+:::`,
 };
diff --git a/lib/routes/zhihu/utils.ts b/lib/routes/zhihu/utils.ts
index bd7de3794a1345..d68387fe75f3ca 100644
--- a/lib/routes/zhihu/utils.ts
+++ b/lib/routes/zhihu/utils.ts
@@ -3,6 +3,7 @@ import cache from '@/utils/cache';
 import ofetch from '@/utils/ofetch';
 import g_encrypt from './execlib/x-zse-96-v3';
 import md5 from '@/utils/md5';
+import { config } from '@/config';
 
 export const header = {
     'x-api-version': '3.0.91',
@@ -93,8 +94,13 @@ export const getSignedHeader = async (url: string, apiPath: string) => {
     const xzse93 = '101_3_3.0';
     const f = `${xzse93}+${apiPath}+${dc0}`;
     const xzse96 = '2.0_' + g_encrypt(md5(f));
+
+    const zc0 = config.zhihu.cookies
+        ?.split(';')
+        .find((e) => e.includes('z_c0'))
+        ?.slice('z_c0='.length);
     return {
-        cookie: `d_c0=${dc0}`,
+        cookie: `d_c0=${dc0}${zc0 ? `;z_c0=${zc0}` : ''}`,
         'x-zse-96': xzse96,
         'x-app-za': 'OS=Web',
         'x-zse-93': xzse93,