diff --git a/core/irc.py b/core/irc.py
index 1521cd9..a7aff9e 100644
--- a/core/irc.py
+++ b/core/irc.py
@@ -133,11 +133,20 @@ class Irc:
                 run_once=True, thread_flag=True
                 )
         )
-
+        print("start_heartbeat.................")
+        
+        # await self.ctx.Base.create_thread_io(
+        #     self.ctx.Utils.heartbeat, 
+        #     self.ctx, self.beat, 
+        #     run_once=True, thread_flag=True
+        # )
+        
+        
         while self.signal:
             data = await self.reader.readuntil(b'\r\n')
             await self.send_response(data.splitlines())
 
+
     async def send_response(self, responses:list[bytes]) -> None:
         try:
             for data in responses:
@@ -1125,7 +1134,7 @@ class Irc:
                 return None
 
             case 'uptime':
-                uptime = self.ctx.Utils.get_defender_uptime()
+                uptime = self.ctx.Utils.get_defender_uptime(self.ctx)
                 await self.Protocol.send_notice(
                     nick_from=dnickname,
                     nick_to=fromuser,
diff --git a/mods/defender/mod_defender.py b/mods/defender/mod_defender.py
index 7d683d4..c751885 100644
--- a/mods/defender/mod_defender.py
+++ b/mods/defender/mod_defender.py
@@ -901,7 +901,7 @@ class Defender(IModule):
                     UserObject = self.ctx.User.get_user(nickoruid)
 
                     if UserObject is not None:
-                        channels: list = [chan.name for chan in self.ctx.Channel.UID_CHANNEL_DB for uid_in_chan in chan.uids if self.ctx.mod_utils.clean_uid(uid_in_chan) == UserObject.uid]
+                        channels: list = [chan.name for chan in self.ctx.Channel.UID_CHANNEL_DB for uid_in_chan in chan.uids if self.ctx.User.clean_uid(uid_in_chan) == UserObject.uid]
 
                         await self.ctx.Irc.Protocol.send_notice(nick_from=dnickname, nick_to=fromuser, msg=f' UID              : {UserObject.uid}')
                         await self.ctx.Irc.Protocol.send_notice(nick_from=dnickname, nick_to=fromuser, msg=f' NICKNAME         : {UserObject.nickname}')
@@ -925,6 +925,10 @@ class Defender(IModule):
 
             case 'sentinel':
                 # .sentinel on
+                if len(cmd) < 2:
+                    await self.ctx.Irc.Protocol.send_notice(nick_from=dnickname, nick_to=fromuser, msg=f"Syntax. /msg {dnickname} sentinel [ON | OFF]")
+                    return None
+
                 activation = str(cmd[1]).lower()
                 channel_to_dont_quit = [self.ctx.Config.SALON_JAIL, self.ctx.Config.SERVICE_CHANLOG]