diff --git a/hotfix.py b/hotfix.py
new file mode 100644
index 0000000..355a06a
--- /dev/null
+++ b/hotfix.py
@@ -0,0 +1,91 @@
+#! /usr/bin/python3
+# -*- coding:utf-8 -*-
+
+from src import random_selector
+from src import main
+from src import lottery
+import functools
+import importlib
+
+_GLOBAL_FUNC_MAPS = {}
+_GLOBAL_EXCLUDE_ROLE_LIST = set()
+
+
+def exclude_users(users, exclude_roles):
+    users[:] = [u for u in users if u['role'] not in exclude_roles]
+    return users
+
+
+def before_unbound_method(attr_name):
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            result = func(*args, **kwargs)
+            old_attr = _GLOBAL_FUNC_MAPS.get(attr_name)
+            if callable(old_attr):
+                return old_attr(*args, **kwargs)
+            else:
+                return result
+        return wrapper
+    return decorator
+
+
+def after_unbound_method(attr_name):
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwargs):
+            old_attr = _GLOBAL_FUNC_MAPS.get(attr_name)
+            if callable(old_attr):
+                result = old_attr(*args, **kwargs)
+                func(*args, **kwargs)
+            else:
+                result = func(*args, **kwargs)
+            return result
+        return wrapper
+    return decorator
+
+
+def replace_unbound_method(ins, attr_name, value):
+    old_attr = getattr(ins, attr_name)
+    setattr(ins, attr_name, value)
+    return old_attr
+
+
+@before_unbound_method('randomselect')
+def on_randomselect(elapsed_ms, items, select_num):
+    exclude_users(items, _GLOBAL_EXCLUDE_ROLE_LIST)
+
+
+@main.app.route('/exclude/<role:int>')
+def exclude_role(role):
+    _GLOBAL_EXCLUDE_ROLE_LIST.add(role)
+    return lottery.server_resp(200, "success")
+
+
+@main.app.route('/include/<role:int>')
+def include_role(role):
+    try:
+        _GLOBAL_EXCLUDE_ROLE_LIST.remove(role)
+    except KeyError:
+        return lottery.server_resp(501, "找不到该角色id", {'role': role})
+    else:
+        return lottery.server_resp(200, "success")
+
+
+@main.app.route('/show_exclude')
+def show_exclude():
+    return lottery.server_resp(200, "success", [r for r in _GLOBAL_EXCLUDE_ROLE_LIST])
+
+
+def patch():
+    _GLOBAL_FUNC_MAPS['randomselect'] = replace_unbound_method(importlib.reload(random_selector),
+                                                               'randomselect', on_randomselect)
+
+
+def run(host, port, debug):
+    patch()
+    main.run(host=host, port=port, debug=debug)
+
+
+if __name__ == '__main__':
+    run('0.0.0.0', 8080, False)
diff --git a/init_user.py b/init_user.py
new file mode 100644
index 0000000..8af1970
--- /dev/null
+++ b/init_user.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+# -*- coding:utf-8 -*-
+
+import json
+
+
+def write_db(db, filepath):
+    
+    try:
+        json.dump(db, open(filepath, 'w', encoding='utf8'))
+    except (json.JSONDecodeError, IOError) as e:
+        print(e.args)
+        raise
+
+
+def text_to_db(txt_path):
+    with open(txt_path, 'r', encoding='utf8') as txt_fb:
+        db = []
+        while True:
+            line = txt_fb.readline()
+            if not line:
+                break
+            line = line.strip()
+            db.append({'uid': line, 'role': 1, 'name': line})
+        return db
+
+
+def main(txt_path, db_path):
+    write_db(text_to_db(txt_path), db_path)
+    print('生成成功')
+
+
+if __name__ == "__main__":
+    main('users.txt', r'doc\users.json')