diff --git a/lib/v2/zhihu/activities.js b/lib/v2/zhihu/activities.js
index e4a5af3a3..7d33df01c 100644
--- a/lib/v2/zhihu/activities.js
+++ b/lib/v2/zhihu/activities.js
@@ -1,15 +1,51 @@
 const got = require('@/utils/got');
 const utils = require('./utils');
 const { parseDate } = require('@/utils/parse-date');
+const md5 = require('@/utils/md5');
+const g_encrypt = require('./execlib/g_encrypt');
 
 module.exports = async (ctx) => {
     const id = ctx.params.id;
 
+    // Because the API of zhihu.com has changed, we must use the value of `d_c0` (extracted from cookies) to calculate
+    // `x-zse-96`. So first get `d_c0`, then get the actual data of a ZhiHu question. In this way, we don't need to
+    // require users to set the cookie in environmental variables anymore.
+
+    // fisrt: get cookie(dc_0) from zhihu.com
+    const cookie_mes = await ctx.cache.tryGet('zhihu:cookies:d_c0', async () => {
+        const response = await got({
+            method: 'get',
+            url: `https://www.zhihu.com/people/${id}`,
+            headers: {
+                ...utils.header,
+            },
+        });
+
+        const cookie_org = response.headers['set-cookie'];
+        const cookie = cookie_org.toString();
+        const match = cookie.match(/d_c0=(\S+?)(?:;|$)/);
+        const cookie_mes = match && match[1];
+        if (!cookie_mes) {
+            throw Error('Failed to extract `d_c0` from cookies');
+        }
+        return cookie_mes;
+    });
+    const cookie = `d_c0=${cookie_mes}`;
+
+    // second: get real data from zhihu
+    const apiPath = `/api/v3/moments/${id}/activities?limit=7&desktop=true`;
+
+    // calculate x-zse-96, refer to https://github.com/srx-2000/spider_collection/issues/18
+    const f = `101_3_2.0+${apiPath}+${cookie_mes}`;
+    const xzse96 = '2.0_' + g_encrypt(md5(f));
+    const _header = { cookie, 'x-zse-96': xzse96, 'x-app-za': 'OS=Web', 'x-zse-93': '101_3_2.0' };
+
     const response = await got({
         method: 'get',
         url: `https://www.zhihu.com/api/v3/moments/${id}/activities?limit=7&desktop=true`,
         headers: {
             ...utils.header,
+            ..._header,
             Referer: `https://www.zhihu.com/people/${id}/activities`,
             Authorization: 'oauth c3cef7c66a1843f8b3a9e6a1e3160e20', // hard-coded in js
         },