diff --git a/server/filesystem.json b/server/filesystem.json
index 2031326..c64f093 100644
--- a/server/filesystem.json
+++ b/server/filesystem.json
@@ -1,22 +1,22 @@
 {
-  "ID": 0,
-    "location": "izba",
-    "descrpition": {
-      "title": "legionrpi",
-      "description_s": "krátky popis, ktorý bude zobrazený iba v náhladovom okne",
-      "description_l": "dlhší popis zariadenia, ktorý bude zobrazený po otvorení",
-      "photo_s": "mala_fotka.png",
-      "photo_b": "velka fotka.png"
-    },
-    "files": [
-      {
-        "name": "test",
-        "format": ".jpg",
-        "description": "toto je jpg test file"
-      }, {
-        "name": "test2",
-        "format": ".txt",
-        "description": "toto je txt test file"
-      }
-    ]
+  "ID": "0",
+  "location": "izba",
+  "description": {
+    "title": "legionrpi",
+    "description_s": "krátky popis, ktorý bude zobrazený iba v náhladovom okne",
+    "description_l": "dlhší popis zariadenia, ktorý bude zobrazený po otvorení",
+    "photo_s": "mala_fotka.png",
+    "photo_b": "velka fotka.png"
+  },
+  "files": [
+    {
+      "name": "test",
+      "format": ".jpg",
+      "description": "toto je jpg test file"
+    }, {
+      "name": "test2",
+      "format": ".txt",
+      "description": "toto je txt test file"
+    }
+  ]
 }
diff --git a/server/main.py b/server/main.py
index 42a6f21..c60cdfa 100644
--- a/server/main.py
+++ b/server/main.py
@@ -1,13 +1,15 @@
-from fastapi import FastAPI, Request
-from fastapi.responses import FileResponse, HTMLResponse
-from pydantic import BaseModel
-import engine
-import requests
-import time
+import hashlib
 import json
 import os
 import threading
-import hashlib
+import time
+import engine
+import requests
+import uuid
+from fastapi import FastAPI, Request
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import FileResponse
+from pydantic import BaseModel
 
 with open("settings.json", "r") as f:  # loading settings
     settings = json.load(f)
@@ -21,6 +23,16 @@ location = settings["location"]
 time_to_save = settings["time_to_save"]
 
 app = FastAPI()  # init of FastAPI
+
+origins = ["*", ]
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 log = engine.Log(settings["log"])  # init of LOG
 update = engine.Update()
 offline = []
@@ -39,6 +51,8 @@ sensors = {  # List of "live" data like tempeature, etc.
     "doba čakania": 2
 }
 
+messages = []
+
 heartbeat_table["ID"].append(ID)
 heartbeat_table["IP"].append(IP)
 heartbeat_table["location"].append(location)
@@ -46,8 +60,6 @@ heartbeat_table["file_system"].append(filesystem)
 heartbeat_table["last_heartbeat"].append(time_to_heartbeat)
 
 
-# Todo better "host" ID handeling
-
 class ServerTable(BaseModel):  # table of content for heartbeat request
     ID: list
     IP: list
@@ -56,6 +68,11 @@ class ServerTable(BaseModel):  # table of content for heartbeat request
     last_heartbeat: list
 
 
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}
+
+
 @app.post("/heartbeat")
 def heartbeat(s_table: ServerTable, request: Request):
     log.message(f"server requested heartbeat {request.client.host}:{request.client.port}")
@@ -141,7 +158,7 @@ def comparision(file: str):
 
 @app.get("/devices_list")
 def get_devices_list():
-    return heartbeat_table["file_system"]
+    return [{"connected_id": ID}, *heartbeat_table["file_system"]]
 
 
 @app.get("/admin/{command}")
@@ -152,6 +169,25 @@ def admin(command: str):
         os.system(f"""python3 system.py update -version {command.split("-")[1]}""")
 
 
+@app.get("/messages/get")
+def get_messages(m_from: int = 0, m_to: int = 10):
+    return messages[m_from:m_to]
+
+
+@app.get("/messages/reqister")
+def get_messages():
+    return uuid.uuid4().hex[24:]
+
+
+@app.post("/messages/post")
+def get_messages(m_sender: str = None, message: str = None):
+    if m_sender and message:
+        messages.append({"sender": m_sender, "message": message})
+        return "successfull"
+    else:
+        return "Empty message/sender"
+
+
 def send_heartbeat(ip, id):
     global heartbeat_table
     log.message(f"""sending heartbeat to {ip}({"offline" if id in offline else "online"})""")
@@ -187,7 +223,8 @@ def mainloop():
                             log.message(f"""{heartbeat_table["IP"][device_number]} gone online""")
                         heartbeat_table["last_heartbeat"][int(device_number)] = int(time_to_heartbeat) + 5
                 try:
-                    log.debug(f"""{device_ID} : time to heartbeat : {heartbeat_table["last_heartbeat"][device_number]}""")
+                    log.debug(
+                        f"""{device_ID} : time to heartbeat : {heartbeat_table["last_heartbeat"][device_number]}""")
                     heartbeat_table["last_heartbeat"][device_number] -= 1
                 except IndexError:
                     pass
@@ -204,5 +241,4 @@ def mainloop():
 thread_1 = threading.Thread(target=mainloop, daemon=True)
 thread_1.start()
 
-# Todo new filesystem handeling
-# Todo settings for easy adding/editing files/id/text
\ No newline at end of file
+# Todo settings for easy adding/editing files/id/text
diff --git a/server/server.zip b/server/server.zip
new file mode 100644
index 0000000..7c03be4
Binary files /dev/null and b/server/server.zip differ
diff --git a/server/settings.json b/server/settings.json
index ebf1394..2ae1bee 100644
--- a/server/settings.json
+++ b/server/settings.json
@@ -4,6 +4,8 @@
   "location": "izba",
   "time_to_heartbeat": 20,
   "time_to_heartbeat_offline": 25,
+  "save_table": false,
+  "time_to_save": 60,
   "log": {
     "save_error": true,
     "print_error": true,
@@ -19,5 +21,5 @@
     "location": [],
     "file_system": [],
     "last_heartbeat": []
-}
-}
+  }
+}
\ No newline at end of file
diff --git a/server/test.py b/server/test.py
new file mode 100644
index 0000000..9410f45
--- /dev/null
+++ b/server/test.py
@@ -0,0 +1,24 @@
+import threading
+import uuid
+import time
+
+zoznam = []
+rovnake = 0
+run = True
+start = time.time()
+
+def generate():
+    global zoznam, rovnake, run
+    while run:
+        cache = uuid.uuid4().hex[24:]
+        if cache in zoznam:
+            rovnake += 1
+        zoznam.append(cache)
+        pocet = len(zoznam)
+        print(f"{pocet} : {rovnake} rovnakých - {cache}")
+        if pocet > 50000:
+            break
+
+
+generate()
+print(f"process lasted {time.time()-start}")
\ No newline at end of file
diff --git a/server/version.json b/server/version.json
index 0d562bd..e18780f 100644
--- a/server/version.json
+++ b/server/version.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.5",
-  "id": 3,
+  "version": "0.6",
+  "id": 4,
   "url": "https://raw.githubusercontent.com/UntriexTv/test_directory/main/ver.json"
 }