diff --git a/pyrocketbot/client.py b/pyrocketbot/client.py
index 8e5230a..1477592 100644
--- a/pyrocketbot/client.py
+++ b/pyrocketbot/client.py
@@ -3,75 +3,91 @@
 import threading
 import collections
 from rocketchat_API.rocketchat import RocketChat
+from datetime import datetime, timezone
 
 
 class RocketBot(RocketChat):
+    _commands = {}
+    
     def __init__(self, username, password, server_url, proxy_dict=None, threading_updates=False):
         super().__init__()
         self.bot_username = username
         self.session = RocketChat(username, password, server_url=server_url, proxies=proxy_dict)
-        self._commands = {}
         self._threading = threading_updates
+        self.last_processed_timestamp = self.get_current_utc_timestamp()
 
-    def command(self, regex):
+    @staticmethod
+    def get_current_utc_timestamp():
+        """Get the current UTC timestamp in the same format as the messages."""
+        return datetime.now(timezone.utc).isoformat()
+        
+    @classmethod
+    def command(cls, regex):
         def decorator(d):
-            self._commands[regex] = d
+            print(f"Registering command: {regex}")  # Add this print statement
+            cls._commands[regex] = d  # Use the class-level attribute here
         return decorator
 
     def send_message(self, chat_id, text):
         return self.session.chat_post_message(text, chat_id)
 
     def get_updates(self):
-        return self.session.subscriptions_get().json()['update']
+        response = self.session.subscriptions_get().json()
+        return response.get('update')
 
     def run(self, chat_type='', sleep=0):
+        print(f"Registered commands: {self._commands.keys()}")
         ids = collections.deque(maxlen=10000)
         while True:
             updates = self.get_updates()
 
             if updates:
                 for result in updates:
-                    chat_type = result['t']
-                    room_id = result['rid']
-
-                    # Check if it's a direct message or a channel message
-                    if chat_type == "d":
-                        # Retrieve message history for direct messages
-                        messages = self.session.im_history(room_id).json()['messages']
-                    elif chat_type == "c":
-                        # Retrieve message history for channels
-                        messages = self.session.channels_history(room_id).json()['messages']
-                    else:
-                        # Handle other types of chats if needed
-                        continue
-
                     try:
+                        chat_type = result['t']
+                        room_id = result['rid']
+                       # room_id = '65076c815118b3aefcbd7e77'
+                        
+                        if chat_type == "d":
+                            response = self.session.im_history(room_id).json()
+                            messages = response.get('messages', [])
+                        elif chat_type == "c":
+                            response = self.session.channels_history(room_id).json()
+                            messages = response.get('messages', [])
+                        elif chat_type == "p":
+                            response = self.session.groups_history(room_id).json()
+                            messages = response.get('messages', [])
+                        else:
+                            continue
+
                         if result['t'] == chat_type:
                             for message in messages:
+                                #print(f"Processing message: {message['msg']}")
                                 if message['_id'] in ids or message['u']['username'] == self.bot_username:
                                     continue
                                 ids.append(message['_id'])
 
-                                def response_update():
-                                    if message.get('unread', False):
-                                        for k, v in self._commands.items():
-                                            regex = re.compile(k, flags=re.MULTILINE | re.DOTALL)
-                                            m = regex.match(message['msg'])
+                                # if not message.get('unread', False):
+                                #     continue
+
+                                message_timestamp = message['ts']
+                                if self.last_processed_timestamp and message_timestamp <= self.last_processed_timestamp:
+                                    continue
+
+                                for k, v in self._commands.items():
+                                    regex = re.compile(k, flags=re.MULTILINE | re.DOTALL)
+                                    m = regex.match(message['msg'])
 
-                                            if m:
-                                                match_list = []
-                                                for x in m.groups():
-                                                    match_list.append(x)
-                                                try:
-                                                    v(message, match_list)
-                                                except TypeError:
-                                                    v(message)
+                                    if m:
+                                        match_list = []
+                                        for x in m.groups():
+                                            match_list.append(x)
+                                        try:
+                                            v(message, match_list)
+                                        except TypeError:
+                                            v(message)
 
-                                if self._threading:
-                                    threading.Thread(target=response_update).start()
-                                else:
-                                    response_update()
                     except Exception as e:
-                        print(e)
+                        print(f'Error: {e} in {result}')
 
             time.sleep(sleep)