diff --git a/src/crawler/zhihu.com/extract.py b/src/crawler/zhihu.com/extract.py
new file mode 100644
index 0000000..632089f
--- /dev/null
+++ b/src/crawler/zhihu.com/extract.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Extract data from raw json content.
+
+    USAGE: python3 extract.py [JSON_FILE]
+"""
+
+import re
+import sys
+import json
+sys.path.append('..')
+from utils import logger
+from bs4 import BeautifulSoup
+
+
+def loadData() -> list:
+    rawData = json.loads(open(sys.argv[1]).read())
+    data = [{
+        'id': x['id'],
+        'title': x['title'],
+        'content': x['content'],
+    } for x in rawData['data']]
+
+    def sortFunc(x: dict) -> int:
+        suffix = x['title'].replace('栩栩若生', '')
+        suffix = '1' if suffix == '' else suffix  # `栩栩若生` -> `栩栩若生1`
+        suffix = '22' if suffix == '（全文完）' else suffix  # `栩栩若生（全文完）` -> `栩栩若生22`
+        return int(suffix)
+    return sorted(data, key = sortFunc)
+
+
+def splitHtml(rawHtml: str):
+    html = BeautifulSoup(rawHtml, 'lxml')
+
+    def isCaption(obj: BeautifulSoup) -> bool:
+        if obj.name in ['h2', 'h3']:
+            if obj.text not in [
+                '人生第一次如此无语。',
+                '第三棒是伍哥。',
+                '东风初送第一船。',
+            ]: return True
+        if obj.text == "正文第870章对手":
+            return True
+        return False
+
+    def formatCaption(raw: str) -> str:
+        if raw.startswith('正文'):
+            raw = raw.replace('正文', '')
+        match = re.search(r'^第(\d+)章(.*)', raw)
+        if match is not None:
+            return '第%s章 %s' % (match[1], match[2].strip())
+        match = re.search(r'^第(\S+)章 (.*)', raw)
+        zhStr = match[1]
+        zhStr = '三十零' if zhStr == '三十' else zhStr
+        zhStr = '二十零' if zhStr == '二十' else zhStr
+        zhStr = '十零' if zhStr == '十' else zhStr
+        zhStr = zhStr.replace('三十', '3').replace('二十', '2').replace('十', '1')
+        numStr = zhStr.replace('零', '0').replace('一', '1').replace('二', '2').replace('三', '3').replace('四', '4')\
+            .replace('五', '5').replace('六', '6').replace('七', '7').replace('八', '8').replace('九', '9')
+        return '第%s章 %s' % (numStr, match[2].strip())
+
+    for item in html.body.contents:
+        # print(item)
+        # continue
+
+        if isCaption(item):
+            caption = formatCaption(item.text)
+            print(caption)
+
+            # caption = item.text
+            # match = re.search(r'^第(\d+)章', caption)
+            # if match is not None:
+            #     caption = match[1]
+            # elif re.search(r'^第(\S+)章', caption) is not None:
+            #     caption = caption.replace('一', '1')
+                # print('ok')
+
+            # print(caption)
+
+            # print(item)
+
+
+logger.warning('Extract info of `zhihu.com`')
+sys.argv.append('./data/content.json')
+
+[splitHtml(x['content']) for x in loadData()]
+# splitHtml(loadData()[0]['content'])
+# splitHtml(loadData()[1]['content'])
+# splitHtml(loadData()[0]['content'])