diff --git a/main.py b/main.py
index f2818db..2e7f0b7 100644
--- a/main.py
+++ b/main.py
@@ -25,6 +25,12 @@ ENTER_CHANNEL = f"{SERVICE_NAME}/enter"
 HEARTBEAT_CHANNEL = f"{SERVICE_NAME}/heartbeat"
 EXIT_CHANNEL = f"{SERVICE_NAME}/exit"
 
+GET_CATALOG_CHANNEL = f"{SERVICE_NAME}/catalogs"
+UPDATE_MENU_CHANNEL = f"{SERVICE_NAME}/update/menu"
+DELETE_MENU_CHANNEL = f"{SERVICE_NAME}/delete/menu"
+ADD_CATALOG_CHANNEL = f"{SERVICE_NAME}/add/catalog"
+ADD_MENU_CHANNEL = f"{SERVICE_NAME}/add/menu"
+
 r = redis.Redis(host=REDIS_HOST, port=REDIS_PORT, decode_responses=True)
 
 ID_PATTERN = r'[a-zA-Z0-9]{2}-[a-zA-Z0-9]{2}-[a-zA-Z0-9]{2}-[a-zA-Z0-9]{4}'
@@ -145,9 +151,16 @@ lock_manager = LockManager()
 # -- Redis handler --
 def redis_message_handler():
     pubsub = r.pubsub()
-    pubsub.subscribe(ENTER_CHANNEL, HEARTBEAT_CHANNEL, EXIT_CHANNEL)
+    pubsub.subscribe(ENTER_CHANNEL,
+    HEARTBEAT_CHANNEL,
+    EXIT_CHANNEL,
+    GET_CATALOG_CHANNEL,
+    UPDATE_MENU_CHANNEL,
+    DELETE_MENU_CHANNEL,
+    ADD_CATALOG_CHANNEL,
+    ADD_MENU_CHANNEL)
     
-    print(f"[*] Redis Listener started on channels: {ENTER_CHANNEL}, {HEARTBEAT_CHANNEL}, {EXIT_CHANNEL}")
+    print(f"[*] Redis Listener started on service: {SERVICE_NAME}")
 
     for message in pubsub.listen():
         if message['type'] != 'message':
@@ -162,20 +175,26 @@ def redis_message_handler():
             
             country = values.get("country", "").strip().lower()
             catalog = values.get("catalog", "")
+            catalog_name = values.get("catalog_name", "")
+            content = values.get("content", [])
             srv_name = payload.get("srv_name", "")
             
-            user_id = user_info.get("user_id") or user_info.get("id")
+            user_id = user_info.get("uid")
 
             if srv_name != SERVICE_NAME:
                 continue
 
             channel = message['channel']
 
-            if not (user_id and country and catalog):
-                print(f"[Redis] Missing required parameters | Channel: {channel} | User: {user_id}")
+            if not (user_id and country):
+                print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
                 continue
 
             if channel == ENTER_CHANNEL:
+                if not catalog:
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+
                 success, msg = lock_manager.acquire(country, catalog, user_id)
 
                 if success:
@@ -185,16 +204,104 @@ def redis_message_handler():
                         daemon=True
                     ).start()
 
-                print(f"[Redis] Enter Room: {catalog} | User: {user_id} | Success: {success}")
+                print(f"[{SERVICE_NAME}] Enter Room: {catalog} | User: {user_id} | Success: {success}")
 
             elif channel == HEARTBEAT_CHANNEL:
+                if not catalog:
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+
                 alive = lock_manager.keep_alive(country, catalog, user_id)
                 if not alive:
-                    print(f"[Redis] Heartbeat Failed: {catalog} | User: {user_id}")
+                    print(f"[{SERVICE_NAME}] Heartbeat Failed: {catalog} | User: {user_id}")
 
             elif channel == EXIT_CHANNEL:
+                if not catalog:
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+
                 lock_manager.release(country, catalog, user_id)
-                print(f"[Redis] Exit Room (Force/Command): {catalog} | User: {user_id}")
+                print(f"[{SERVICE_NAME}] Exit Room (Force/Command): {catalog} | User: {user_id}")
+
+            elif channel == GET_CATALOG_CHANNEL:
+                try:
+                    if not FRONTEND_NOTIFY_URL:
+                        print("Warning: FRONTEND_NOTIFY_URL is not set.")
+                        continue
+
+                    result = get_catalogs(country)
+                    payload = {
+                        "type": "notify",
+                        "payload": {
+                            "from": SERVICE_NAME,
+                            "level": "content",
+                            "to": user_id, 
+                            "content": result
+                        }
+                    }
+
+                    requests.post(FRONTEND_NOTIFY_URL, json=payload, timeout=5)
+                    print(payload)
+                    print(f"[{SERVICE_NAME}] Get catalog success | User: {user_id}")
+
+
+                except Exception as e:
+                    print(f"[{SERVICE_NAME}] Get catalog error: {e}")
+
+            elif channel == ADD_MENU_CHANNEL:
+                if not (content and catalog):
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+                
+                if not lock_manager.is_authorized(country, catalog, user_id):
+                    print(f"[{SERVICE_NAME}] Add menu failed: {catalog} | User: {user_id} | Message: Unauthorized access to this room")
+                    continue
+
+                try:
+                    handle_add_menu(country, catalog, content)
+                    print(f"[{SERVICE_NAME}] Add menu success: {catalog} | User: {user_id}")
+                except Exception as e:
+                    print(f"[{SERVICE_NAME}] Add menu error: {e}")
+
+            elif channel == ADD_CATALOG_CHANNEL:
+                if not (catalog_name, catalog):
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+
+                try:
+                    handle_add_catalog(country, catalog_name, catalog)
+                except Exception as e:
+                    print(f"[{SERVICE_NAME}] Add catalog error: {e}")
+
+            elif channel == UPDATE_MENU_CHANNEL:
+                if not (content and catalog):
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+                
+                if not lock_manager.is_authorized(country, catalog, user_id):
+                    # raise HTTPException(status_code=403, detail="Unauthorized access to this room")
+                    print(f"[{SERVICE_NAME}] Updated catalog failed: {catalog} | User: {user_id} | Message: Unauthorized access to this room")
+                    continue
+
+                try:
+                    update_sheets(country, content)
+                    print(f"[{SERVICE_NAME}] Update success: {catalog} | User: {user_id}")
+                except Exception as e:
+                    print(f"[{SERVICE_NAME}] Update error: {e}")
+
+            elif channel == DELETE_MENU_CHANNEL:
+                if not (content and catalog):
+                    print(f"[{SERVICE_NAME}] Missing required parameters | Channel: {channel} | User: {user_id}")
+                    continue
+                
+                if not lock_manager.is_authorized(country, catalog, user_id):
+                    print(f"[{SERVICE_NAME}] Delete menu failed: {catalog} | User: {user_id} | Message: Unauthorized access to this room")
+                    continue
+
+                try:
+                    handle_delete_menu(country, catalog, content)
+                except Exception as e:
+                    print(f"[{SERVICE_NAME}] Delete menu error: {e}")
 
         except Exception as e:
             print(f"[Redis Error] Error processing message: {e}")
@@ -250,6 +357,11 @@ def process_and_stream_sheet_data(country: str, catalog: str, user_id: str):
         nv2_all = spreadsheet.worksheet(nv2_name).get_all_values()
         nd_all = spreadsheet.worksheet(nd_name).get_all_values()
 
+        # range for new-layout-v2
+        nv2_start, nv2_end = find_catalog_range(nv2_all, catalog)
+        if nv2_start is None:
+            nv2_start, nv2_end = 0, len(nv2_all) - 1
+
         final_result = []
         is_in_block = False
 
@@ -298,7 +410,8 @@ def process_and_stream_sheet_data(country: str, catalog: str, user_id: str):
                 if c2 != "-": individual_codes.append(c2)
 
             # find in new-layout-v2 (check I, J, K | Index 8, 9, 10)
-            for j, nv2_row in enumerate(nv2_all):
+            for j in range(nv2_start, nv2_end + 1):
+                nv2_row = nv2_all[j]
                 if len(nv2_row) > 10: # range max is column K
                     # I(8), J(9), K(10)
                     v2_vals = [nv2_row[8].strip(), nv2_row[9].strip(), nv2_row[10].strip()]
@@ -313,7 +426,6 @@ def process_and_stream_sheet_data(country: str, catalog: str, user_id: str):
                                 row_data = nv2_all[curr_j]
                                 row_info = {
                                     "row_index": curr_j + 1, 
-                                    "type": row_data[0] if len(row_data) > 0 else "", 
                                     "cells": []
                                 }
                                 # E-H (index 4-7) with only 2 row
@@ -362,41 +474,33 @@ def process_and_stream_sheet_data(country: str, catalog: str, user_id: str):
         traceback.print_exc()
         send_stream_notification("error", {"error_detail": str(e)}, batch_id, 0, 0, user_id)
 
-app = FastAPI()
+def get_coord(r, c):
+    return {"row": r + 1, "col": c + 1}
 
-class CatalogPayloadValues(BaseModel):
-    country: str
+def find_catalog_range(all_rows, catalog: str):
+    start = None
+    end = None
 
-class CatalogPayload(BaseModel):
-    user_info: dict = {}
-    srv_name: str
-    values: CatalogPayloadValues
+    for i, row in enumerate(all_rows):
+        col_a = row[0].strip() if len(row) > 0 else ""
 
-class CatalogRequest(BaseModel):
-    type: str
-    payload: CatalogPayload
+        if start is None:
+            if catalog in col_a:
+                start = i
+                end = i
+        else:
+            if col_a and catalog not in col_a:
+                break
+            end = i
 
-class RoomRequest(BaseModel):
-    country: str
-    catalog: str
-    user_id: str
+    return start, end
 
-@app.on_event("startup")
-def startup_event():
-    thread = threading.Thread(target=redis_message_handler, daemon=True)
-    thread.start()
-
-@app.post("/catalogs")
-def get_catalogs(req: CatalogRequest):
-    payload = req.payload
-    if payload.srv_name != SERVICE_NAME:
-        raise HTTPException(status_code=400, detail="Invalid service name")
-
-    country = payload.values.country.strip().lower()
+# get catalog
+def get_catalogs(country: str):
     config = COUNTRY_MAPPING.get(country)
     
     if not config or not config["sheets"]:
-        raise HTTPException(status_code=404, detail="Country or sheets not found")
+        print(f"[{SERVICE_NAME}] Country or sheets not found")
 
     try:
         # First sheet in Map
@@ -434,8 +538,366 @@ def get_catalogs(req: CatalogRequest):
         traceback.print_exc()
         raise HTTPException(status_code=500, detail=str(e))
 
-def get_coord(r, c):
-    return {"row": r + 1, "col": c + 1}
+"""
+
+ADD_MENU_CHANNEL
+
+"""
+def find_catalog_block(col_a, catalog: str):
+    start = None
+    end = None
+
+    pattern = re.compile(rf"file={re.escape(catalog)}")
+
+    for i, val in enumerate(col_a):
+        val = val.strip()
+
+        if pattern.search(val):
+            if start is None:
+                start = i
+            end = i
+        else:
+            if start is not None:
+                break
+
+    return start, end
+
+def handle_add_menu(country: str, catalog: str, content: list):
+    config = COUNTRY_MAPPING.get(country)
+    client = get_gspread_client()
+    sheet = client.open_by_key(config["spreadsheet_id"])
+
+    nl_name = next(s for s in config["sheets"] if "new-layout" in s.lower() and "v2" not in s.lower())
+    worksheet = sheet.worksheet(nl_name)
+
+    col_a = worksheet.col_values(1)
+    start, end = find_catalog_block(col_a, catalog)
+
+    if start is None:
+        return
+
+    insert_at = end + 2
+
+    worksheet.insert_rows([[]] * len(content), row=insert_at)
+
+    batch_requests = []
+
+    for i, row in enumerate(content):
+        row_index = insert_at + i
+        cells = row.get("cells", [])
+
+        if not cells:
+            continue
+
+        end_col = col_to_letter(len(cells))
+
+        batch_requests.append({
+            "range": f"A{row_index}:{end_col}{row_index}",
+            "values": [cells]
+        })
+
+    if batch_requests:
+        worksheet.batch_update(batch_requests, value_input_option="USER_ENTERED")
+
+"""
+
+ADD_CATALOG_CHANNEL
+
+"""
+
+def handle_add_catalog(country: str, catalog_name: str, catalog: str):
+    config = COUNTRY_MAPPING.get(country)
+    client = get_gspread_client()
+    sheet = client.open_by_key(config["spreadsheet_id"])
+
+    nl_name = next(s for s in config["sheets"] if "new-layout" in s.lower() and "v2" not in s.lower())
+    ws = sheet.worksheet(nl_name)
+
+    all_values = ws.get_all_values()
+
+    if any(catalog in cell for row in all_values for cell in row):
+        print(f"[{SERVICE_NAME}] catalog is already exists")
+        return
+
+    # find final row
+    last_row = 0
+    for i, row in enumerate(all_values, start=1):
+        if any(cell.strip() for cell in row):
+            last_row = i
+
+    insert_row = last_row + 2
+
+    value = f"Name={catalog_name},file={catalog}"
+
+    ws.update(f"A{insert_row}", [[value]])
+
+    print(f"[{SERVICE_NAME}] added at row {insert_row}")
+
+"""
+
+UPDATE_MENU_CHANNEL
+
+"""
+# update sheet
+def update_sheets(country: str, content: list):
+    config = COUNTRY_MAPPING.get(country)
+    client = get_gspread_client()
+    spreadsheet = client.open_by_key(config["spreadsheet_id"])
+
+    requests_map = build_batch_requests(content)
+
+    for sheet_name in config["sheets"]:
+        sheet_key = None
+
+        if "new-layout-v2" in sheet_name.lower():
+            sheet_key = "new_layout_v2"
+        elif "name-desc-v2" in sheet_name.lower():
+            sheet_key = "name_desc_v2"
+        else:
+            sheet_key = "new_layout"
+
+        batch_data = requests_map.get(sheet_key, [])    
+        if not batch_data:
+            continue
+
+        worksheet = spreadsheet.worksheet(sheet_name)
+
+        worksheet.batch_update(batch_data, value_input_option="USER_ENTERED")
+
+# payload -> batch requests
+def build_batch_requests(content):
+    requests_map = {
+        "new_layout": {},
+        "new_layout_v2": {},
+        "name_desc_v2": {}
+    }
+
+    for item in content:
+        for sheet_key in requests_map.keys():
+            rows = item.get(sheet_key, [])
+
+            if sheet_key == "new_layout":
+                rows = [rows] if rows else []
+
+            for row in rows:
+                cells = row.get("cells", [])
+                if not cells:
+                    continue
+
+                row_i = cells[0]["coord"]["row"]
+
+                if row_i not in requests_map[sheet_key]:
+                    requests_map[sheet_key][row_i] = {}
+
+                for cell in cells:
+                    col_i = cell["coord"]["col"]
+                    val = cell["value"]
+
+                    requests_map[sheet_key][row_i][col_i] = val
+
+    # convert → batch format
+    final_map = {k: [] for k in requests_map}
+
+    for sheet_key, rows in requests_map.items():
+        for row_i, cols in rows.items():
+            sorted_cols = sorted(cols.items())
+
+            chunks = split_into_chunks(sorted_cols)
+
+            for chunk in chunks:
+                start_col = chunk[0][0]
+                end_col = chunk[-1][0]
+
+                values = [v for _, v in chunk]
+
+                final_map[sheet_key].append({
+                    "range": f"{col_to_letter(start_col)}{row_i}:{col_to_letter(end_col)}{row_i}",
+                    "values": [values]
+                })
+
+    return final_map
+
+# column to A1 spreadsheet format
+def col_to_letter(col: int) -> str:
+    result = ""
+    while col > 0:
+        col, rem = divmod(col - 1, 26)
+        result = chr(65 + rem) + result
+    return result
+
+def split_into_chunks(sorted_cols):
+    chunks = []
+    current = [sorted_cols[0]]
+
+    for prev, curr in zip(sorted_cols, sorted_cols[1:]):
+        if curr[0] == prev[0] + 1:
+            current.append(curr)
+        else:
+            chunks.append(current)
+            current = [curr]
+
+    chunks.append(current)
+    return chunks
+
+"""
+
+DELETE_MENU_CHANNEL
+
+"""
+def handle_delete_menu(country: str, catalog: str, content: list):
+    config = COUNTRY_MAPPING.get(country)
+    client = get_gspread_client()
+    sheet = client.open_by_key(config["spreadsheet_id"])
+
+    nl_name = next(s for s in config["sheets"] if "new-layout" in s.lower() and "v2" not in s.lower())
+    worksheet = sheet.worksheet(nl_name)
+
+    col_a = worksheet.col_values(1)
+
+    # find catalog start range
+    pattern = re.compile(rf"file={re.escape(catalog)}")
+
+    start = None
+    end = None
+
+    for i, val in enumerate(col_a):
+        val = val.strip()
+
+        if start is None:
+            if pattern.search(val):
+                start = i
+                end = i
+        else:
+            if "file=" in val:
+                break
+
+            end = i
+
+    if start is None:
+        return
+
+    rows = [item["row_index"] for item in content if "row_index" in item]
+
+    # specifically in block
+    print("start, end:", start, end)
+    print("rows before filter:", rows)
+    rows = [
+        r for r in rows
+        if (start + 1) <= r <= (end + 1)
+    ]
+
+    if not rows:
+        return
+
+    ranges = group_consecutive_rows(rows)
+
+    requests = []
+
+    for start_r, end_r in reversed(ranges):
+        requests.append({
+            "deleteDimension": {
+                "range": {
+                    "sheetId": worksheet.id,
+                    "dimension": "ROWS",
+                    "startIndex": start_r - 1,
+                    "endIndex": end_r
+                }
+            }
+        })
+
+    sheet.batch_update({
+        "requests": requests
+    })
+
+def group_consecutive_rows(rows):
+    ranges = []
+    rows = sorted(rows)
+
+    start = rows[0]
+    prev = rows[0]
+
+    for r in rows[1:]:
+        if r == prev + 1:
+            prev = r
+        else:
+            ranges.append((start, prev))
+            start = r
+            prev = r
+
+    ranges.append((start, prev))
+    return ranges
+
+app = FastAPI()
+
+class CatalogPayloadValues(BaseModel):
+    country: str
+
+class CatalogPayload(BaseModel):
+    user_info: dict = {}
+    srv_name: str
+    values: CatalogPayloadValues
+
+class CatalogRequest(BaseModel):
+    type: str
+    payload: CatalogPayload
+
+class RoomRequest(BaseModel):
+    country: str
+    catalog: str
+    user_id: str
+
+@app.on_event("startup")
+def startup_event():
+    thread = threading.Thread(target=redis_message_handler, daemon=True)
+    thread.start()
+
+# @app.post("/catalogs")
+# def get_catalogs(req: CatalogRequest):
+#     payload = req.payload
+#     if payload.srv_name != SERVICE_NAME:
+#         raise HTTPException(status_code=400, detail="Invalid service name")
+
+#     country = payload.values.country.strip().lower()
+#     config = COUNTRY_MAPPING.get(country)
+    
+#     if not config or not config["sheets"]:
+#         raise HTTPException(status_code=404, detail="Country or sheets not found")
+
+#     try:
+#         # First sheet in Map
+#         target_sheet_name = config["sheets"][0] 
+#         client = get_gspread_client()
+#         spreadsheet = client.open_by_key(config["spreadsheet_id"])
+#         worksheet = spreadsheet.worksheet(target_sheet_name)
+        
+#         # Get A column
+#         col_a = worksheet.col_values(1)
+        
+#         catalogs = []
+#         # Skip Row 1 (Index 0 in List)
+#         for row_idx in range(1, len(col_a)):
+#             val = col_a[row_idx].strip()
+#             if not val or val in ["-", "IGNORE"]:
+#                 continue
+            
+#             # Specify file=...
+#             # format: Name=Test,file=page_catalog_group_recommend.skt
+#             match = re.search(r'file=([^,]+)', val)
+#             if match:
+#                 catalog_name = match.group(1).strip()
+#                 lock_info = lock_manager.get_lock_info(country, catalog_name)
+#                 catalogs.append({
+#                     "catalog": catalog_name,
+#                     "row_index": row_idx + 1, # Index in Google Sheet
+#                     "status": "locked" if lock_info["is_locked"] else "free",
+#                     "locked_by": lock_info["locked_by"]
+#                 })
+                
+#         return {"status": "success", "country": country, "catalogs": catalogs}
+
+#     except Exception as e:
+#         traceback.print_exc()
+#         raise HTTPException(status_code=500, detail=str(e))
 
 @app.get("/catalog/data/{country}/{catalog}/{user_id}")
 def get_catalog_data(country: str, catalog: str, user_id: str, background_tasks: BackgroundTasks):
@@ -470,13 +932,13 @@ def enter_room(req: RoomRequest):
     else:
         raise HTTPException(status_code=403, detail=message_or_user)
 
-# @app.post("/api/room/heartbeat")
-# def heartbeat(req: RoomRequest):
-#     country = req.country.strip().lower()
-#     if lock_manager.keep_alive(country, req.catalog, req.user_id):
-#         return {"status": "alive"}
-#     else:
-#         raise HTTPException(status_code=401, detail="Timeout permission denied")
+@app.post("/api/room/heartbeat")
+def heartbeat(req: RoomRequest):
+    country = req.country.strip().lower()
+    if lock_manager.keep_alive(country, req.catalog, req.user_id):
+        return {"status": "alive"}
+    else:
+        raise HTTPException(status_code=401, detail="Timeout permission denied")
 
 @app.post("/api/room/exit")
 def exit_room(req: RoomRequest):