diff --git a/bot/main/register_user.py b/bot/main/register_user.py
index 1edd246..d41c779 100644
--- a/bot/main/register_user.py
+++ b/bot/main/register_user.py
@@ -3,18 +3,33 @@ import json
 from telebot.types import Message, ReplyKeyboardRemove
 from telebot.util import quick_markup
 
+import config
 from models import logger
 from models.bot import Markup_v1 as Markup, bot, send
 from models.schedule import ScheduleAPIError, find_main_groups, group_exists, group_target
 from models.user import getAllUsers, validate
+from utils import convert
 
 
 @bot.message_handler(commands=["start"])
 def start(message: Message):
     user = validate(message)
-    if user.group and "migrate" in (message.text or ""):
+    message.text = str(message.text)
+    
+    if "_s" in message.text:
+        query = message.text.split(' ')[-1]
+        search_target_kind = ({
+            't': 'teacher',
+            'r': 'room',
+            'g': 'group'
+        }).get(query[2:3])
+        search_query = convert.decode(query[3:])
+        return send(message, f'search: {search_target_kind} - {search_query}')
+        
+        
+    if user.group and "migrate" in message.text:
         user.setState("default")
-        logger.log("Bot", f"{message.from_user.id} migrated")
+        logger.log("Bot", f"{user.id} migrated")
         return send(message, "Добро пожаловать снова 💞", reply_markup=Markup.default(user))
 
     was_registered = bool(user.group)
@@ -33,7 +48,7 @@ def start(message: Message):
             "usage": user.usage,
             "flags": user.flags,
         },
-        open(f"./users/{message.from_user.id}.json", "w", encoding="utf-8"),
+        open(f"./users/{user.id}.json", "w", encoding="utf-8"),
         ensure_ascii=False,
         indent=4,
     )
@@ -61,7 +76,7 @@ def notFoundHandler(message: Message):
         reply_markup=quick_markup(
             {
                 "Написать разработчику 💞": {"url": "https://t.me/m/Gg00FvJmZDM6"},
-                "Перезапустить бота 🤖": {"url": "https://t.me/zatups_bot?start=r"},
+                "Перезапустить бота 🤖": {"url": config.TELEGRAM_URL + "?start=r"},
             },
             row_width=1,
         ),
diff --git a/config.example.py b/config.example.py
index 041b9d7..d6c8f97 100644
--- a/config.example.py
+++ b/config.example.py
@@ -1,6 +1,9 @@
 # Telegram bot token
 TOKEN: str = '...'
 
+# Full url to bot
+TELEGRAM_URL: str = 'https://t.me/your_cool_bot'
+
 # Telegram proxy url (None for no proxy)
 TELEGRAM_PROXY: str | None = None
 
diff --git a/models/schedule.py b/models/schedule.py
index 9bfad7e..3e8946b 100644
--- a/models/schedule.py
+++ b/models/schedule.py
@@ -14,6 +14,7 @@ from urllib.request import Request, urlopen
 from zoneinfo import ZoneInfo
 
 import config
+from utils import convert
 
 
 TargetKind = Literal["group", "room", "teacher"]
@@ -217,17 +218,28 @@ class Lesson:
             minutes = int((lesson_end - now).total_seconds() // 60)
             date_text = f"<i>Сейчас идет</i> {lesson_type}, закончится через {max(minutes, 1)} мин."
 
-        teachers = [html.escape(teacher) for teacher in self.teacher_ids]
+        def generate_url(kind, target):
+            return f'<a href="{config.TELEGRAM_URL}?start=_s{kind[:1]}{convert.encode(html.escape(target))}">{html.escape(target)}</a>'
+
+        teachers = [
+            generate_url("teacher", teacher)
+            for teacher in self.teacher_ids
+        ]
         rooms = [
-            f'<a href="https://rasp.pgups.ru/schedule/room?room={quote(room)}">ауд. {html.escape(room)}</a>'
+            generate_url("room", room)
             for room in self.room_ids
         ]
-        groups = [html.escape(group) for group in self.group_names]
+        groups = [
+            generate_url("group", group)
+            for group in self.group_names
+        ]
 
         if self.target_kind == "teacher":
             details = rooms + groups
         elif self.target_kind == "room":
             details = groups + teachers
+        elif self.target_kind == "group":
+            details = teachers + rooms
         else:
             details = teachers + rooms + groups
 
diff --git a/utils/convert.py b/utils/convert.py
new file mode 100644
index 0000000..8583178
--- /dev/null
+++ b/utils/convert.py
@@ -0,0 +1,14 @@
+TABLE = 'ёйцукенгшщзхъфывапролджэячсмитьбюЁЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ1234567890-_. '
+NUMBER = lambda n: str(n) if n > 9 else '0'+str(n)
+
+def encode(text: str) -> str:
+    return ''.join([
+        NUMBER(TABLE.index(char)) if char in TABLE else char
+        for char in text
+    ])
+
+def decode(text: str) -> str:
+    return ''.join([
+        TABLE[int(text[index:index+2])] if text[index:index+2].isdigit() else text[index:index+2]
+        for index in range(0, len(text), 2)
+    ])