diff --git a/dist/ba_root/mods/chatHandle/ChatCommands/commands/Management.py b/dist/ba_root/mods/chatHandle/ChatCommands/commands/Management.py
index 1060f0c..ddcdc1c 100644
--- a/dist/ba_root/mods/chatHandle/ChatCommands/commands/Management.py
+++ b/dist/ba_root/mods/chatHandle/ChatCommands/commands/Management.py
@@ -219,7 +219,7 @@ def ban(arguments):
         ac_id=""
         for ros in ba.internal.get_game_roster():
             if ros["client_id"]==cl_id:
-                _thread.start_new_thread(pdata.ban_player,(ros['account_id'],))
+                pdata.ban_player(ros['account_id'])
 
                 ac_id=ros['account_id']
         if ac_id in serverdata.clients:
diff --git a/dist/ba_root/mods/playersData/blacklist.json b/dist/ba_root/mods/playersData/blacklist.json
new file mode 100644
index 0000000..589a154
--- /dev/null
+++ b/dist/ba_root/mods/playersData/blacklist.json
@@ -0,0 +1,11 @@
+{
+    "ban": {
+        "ids": [
+        ],
+        "ips": [
+        ],
+        "deviceids": [
+        ]
+    },
+    "muted-ids": []
+}
\ No newline at end of file
diff --git a/dist/ba_root/mods/playersData/pdata.py b/dist/ba_root/mods/playersData/pdata.py
index a146183..37edffb 100644
--- a/dist/ba_root/mods/playersData/pdata.py
+++ b/dist/ba_root/mods/playersData/pdata.py
@@ -16,7 +16,7 @@ from tools.file_handle import OpenJson
 import _ba
 import ba.internal
 import json
-
+import datetime
 if TYPE_CHECKING:
     pass
 
@@ -34,6 +34,7 @@ class CacheData:  # pylint: disable=too-few-public-methods
     custom: dict = {}
     profiles: dict = {}
     whitelist: list[str] = []
+    blacklist: dict = {}
 
 
 def get_info(account_id: str) -> dict | None:
@@ -65,8 +66,12 @@ def get_profiles() -> dict:
     """
     if CacheData.profiles=={}:
         try:
-            f=open(PLAYERS_DATA_PATH + "profiles.json","r")
-            profiles = json.load(f)
+            if os.stat(PLAYERS_DATA_PATH+"profiles.json").st_size > 1000:
+                shutil.copyfile(PLAYERS_DATA_PATH + "profiles.json",PLAYERS_DATA_PATH + "profiles.json"+str(datetime.datetime.now()))
+                profiles = {"pb-sdf":{}}
+            else:
+                f=open(PLAYERS_DATA_PATH + "profiles.json","r")
+                profiles = json.load(f)
             CacheData.profiles=profiles
             f.close()
         except:
@@ -78,6 +83,27 @@ def get_profiles() -> dict:
     else:
         return CacheData.profiles
 
+def get_blacklist() -> dict:
+    if CacheData.blacklist == {}:
+        try:
+            f = open(PLAYERS_DATA_PATH + "blacklist.json","r")
+            CacheData.blacklist = json.load(f)
+        except:
+            print('error opening blacklist json')
+            return {
+                "ban":{
+                    "ids":[],
+                    "ips":[],
+                    "deviceids":[]
+                   },
+                    "muted-ids":[]
+                }
+
+    return CacheData.blacklist
+
+def update_blacklist():
+    with open(PLAYERS_DATA_PATH + "blacklist.json","w") as f:
+        json.dump(CacheData.blacklist,f,indent=4)
 
 def commit_profiles(data={}) -> None:
     """Commits the given profiles in the database.
@@ -141,6 +167,9 @@ def add_profile(
     device_id = _ba.get_client_public_device_uuid(cid)
     if(device_id==None):
         device_id = _ba.get_client_device_uuid(cid)
+    if device_id in get_blacklist()["ban"]["deviceids"]:
+        serverdata.clients[account_id]["isBan"]=True
+        ba.internal.disconnect_client(cid)
     serverdata.clients[account_id]["deviceUUID"] = device_id
 
 
@@ -213,8 +242,21 @@ def ban_player(account_id: str) -> None:
     if account_id in profiles:
         profiles[account_id]["isBan"] = True
         CacheData.profiles=profiles
-        _thread.start_new_thread(commit_profiles, (profiles,))
+        # _thread.start_new_thread(commit_profiles, (profiles,))
+    cid = -1
+    for ros in ba.internal.get_game_roster():
+        if ros['account_id'] == account_id:
+            cid = ros['client_id']
+    ip = _ba.get_client_ip(cid)
 
+    device_id = _ba.get_client_public_device_uuid(cid)
+    if(device_id==None):
+        device_id = _ba.get_client_device_uuid(cid)
+    CacheData.blacklist["ban"]["ips"].append(ip)
+
+    CacheData.blacklist["ban"]["ids"].append(account_id)
+    CacheData.blacklist["ban"]["deviceids"].append(device_id)
+    _thread.start_new_thread(update_blacklist,())
 
 def mute(account_id: str) -> None:
     """Mutes the player.
@@ -602,5 +644,5 @@ def dump_cache():
         custom= copy.deepcopy(CacheData.custom)
         with open(PLAYERS_DATA_PATH + "custom.json", "w") as f:
             json.dump(custom, f, indent=4)
-    time.sleep(20)
+    time.sleep(60)
     dump_cache()
diff --git a/dist/ba_root/mods/tools/logger.py b/dist/ba_root/mods/tools/logger.py
index f673f8b..bfee435 100644
--- a/dist/ba_root/mods/tools/logger.py
+++ b/dist/ba_root/mods/tools/logger.py
@@ -9,7 +9,7 @@ from typing import TYPE_CHECKING
 from dataclasses import dataclass, field
 
 import os
-import datetime
+import datetime,shutil
 import threading
 import setting
 import _ba
@@ -92,7 +92,10 @@ class dumplogs(threading.Thread):
             log_path = SERVER_DATA_PATH + "cmndusage.log"
         else:
             log_path = SERVER_DATA_PATH + "logs.log"
-
+        if os.path.exists(log_path):
+            if os.stat(log_path).st_size > 1000:
+                shutil.copy(log_path, log_path+str(datetime.datetime.now()))
+                os.remove(log_path)
         with open(log_path, mode="a+", encoding="utf-8") as file:
             for msg in self.msg:
                 file.write(msg)
diff --git a/dist/ba_root/mods/tools/servercheck.py b/dist/ba_root/mods/tools/servercheck.py
index 516f752..1d2a274 100644
--- a/dist/ba_root/mods/tools/servercheck.py
+++ b/dist/ba_root/mods/tools/servercheck.py
@@ -18,8 +18,9 @@ import setting
 import _thread
 from tools import logger
 from features import profanity
+from playersData import pdata
 
-
+blacklist = pdata.get_blacklist()
 
 settings = setting.get_settings_data()
 
@@ -88,6 +89,7 @@ def on_player_join_server(pbid, player_data):
     for ros in ba.internal.get_game_roster():
         if ros["account_id"] == pbid:
             clid = ros["client_id"]
+
     if pbid in serverdata.clients:
         rejoinCount = serverdata.clients[pbid]["rejoincount"]
         spamCount = serverdata.clients[pbid]["spamCount"]
@@ -126,6 +128,8 @@ def on_player_join_server(pbid, player_data):
             return
         else:
             if pbid not in serverdata.clients:
+                if check_ban(clid,pbid):
+                    return
                 serverdata.clients[pbid] = player_data
                 serverdata.clients[pbid]["warnCount"] = 0
                 serverdata.clients[pbid]["lastWarned"] = time.time()
@@ -175,6 +179,17 @@ def on_player_join_server(pbid, player_data):
 
     # pdata.add_profile(pbid,d_string,d_string)
 
+def check_ban(clid,pbid):
+    ip = _ba.get_client_ip(clid)
+
+    device_id = _ba.get_client_public_device_uuid(clid)
+    if(device_id==None):
+        device_id = _ba.get_client_device_uuid(clid)
+    if (ip in blacklist["ban"]['ips'] or device_id in blacklist['ban']['deviceids'] or pbid in blacklist["ban"]["ids"]):
+        _ba.chatmessage('sad ,your account is flagged contact server owner for unban',clients=[clid])
+        ba.internal.disconnect_client(clid)
+        return True
+    return False
 
 def verify_account(pb_id, p_data):
     d_string = ""