diff --git a/qqbot/31-4/bot.py b/qqbot/31-4/bot.py
new file mode 100755
index 0000000..a10b4f1
--- /dev/null
+++ b/qqbot/31-4/bot.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# # -*- coding: utf-8 -*-
+
+import sys
+from bottle import post, run, request, static_file, route
+
+sys.path.append("../../data/convert/31-4")
+from db import *
+
+db.bind(provider="sqlite", filename="../../data/clean/31-4/data.sqlite3")
+db.generate_mapping()
+
+
+@route("/pics/<filepath:path>")
+def server_static(filepath):
+    return static_file(filepath, root="../../data/render/31-4/output")
+
+
+@post("/")
+def recv_msg():
+    data = request.json
+    if (
+        data["post_type"] == "message"
+        and data["message_type"] == "group"
+        and data["group_id"] in [346058845, 512621194]
+    ):
+        name = data["raw_message"]
+        with db_session:
+            query = select(m for m in Melee if m.name == name)
+            if query.count() == 0:
+                query = select(m for m in Shield if m.name == name)
+                if query.count() == 0:
+                    query = select(m for m in Ranged if m.name == name)
+                    if query.count() == 0:
+                        query = Outfit.select(name=name)
+            if query.count() > 0:
+                return {
+                    "reply": f"[CQ:image,file=http://localhost:7000/pics/{name}.png,cache=0]",
+                    "at_sender": False,
+                }
+    return "OK"
+
+
+run(host="localhost", port=7000)