diff --git a/catalog/sort.py b/catalog/sort.py
new file mode 100755
index 0000000..3e83873
--- /dev/null
+++ b/catalog/sort.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import re
+import json
+
+catalog = {}
+for catalogPage in json.loads(open('raw.json').read()):
+    for pageInfo in catalogPage:
+        pageId = re.search(r'^/novel/57104/read_(\d+)\.html$', pageInfo['url'])[1]
+        catalog[pageInfo['name']] = pageId
+
+catalog = sorted(catalog.items(), key = lambda d: int(re.search(r'^第(\d+)章', d[0])[1]))
+catalog = {x[0]: x[1] for x in catalog}
+
+print(json.dumps(catalog))