diff --git a/Dockerfile b/Dockerfile
index 604a7d8..9f02ea1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,4 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir -r requirements.txt
 COPY . .
-CMD ["python", "-u", "main.py"]
\ No newline at end of file
+CMD ["sh", "-c", "while true; do echo '[sh] starting script...'; python -u main.py; echo '[sh] sleeping 900s'; sleep 900; done"]
\ No newline at end of file
diff --git a/links_parser.py b/links_parser.py
index 212ba30..f6cccbf 100644
--- a/links_parser.py
+++ b/links_parser.py
@@ -1,7 +1,9 @@
 # Copyright Stanislav Mironov
 
 
+import random
 import re
+import time
 from urllib.parse import urljoin
 import requests
 from requests.structures import CaseInsensitiveDict
@@ -56,6 +58,9 @@ def parse_links(facultets):
             }
             print("Found in vstu.ru: ", record)
             EXCEL_LINKS.append(record)
+            st = random.randint(1, 10)/10
+            print(f"sleep {st}s")
+            time.sleep(st)
 
     return sorted(EXCEL_LINKS, key=lambda x: x['url'])
 
diff --git a/main.py b/main.py
index 99eaad7..4b05a8e 100644
--- a/main.py
+++ b/main.py
@@ -10,6 +10,8 @@ import random
 import time
 import traceback
 import uuid
+
+from pika.exceptions import ChannelWrongStateError
 import parser
 import translations
 import utils
@@ -21,6 +23,8 @@ load_dotenv()
 
 RABBITMQ_URL = os.environ.get("RABBITMQ_URL")
 EXCHANGE_NAME = os.environ.get("RABBITMQ_EXCHANGE", "vstu_schedule")
+INFINITY_LOOP = os.environ.get("INFINITY_LOOP", "no").lower() in ['yes', "true"]
+parser.LOGGING = LOGGING = os.environ.get("PARSER_LOGGING", "no").lower() in ['yes', "true"]
 
 try:
     connection = pika.BlockingConnection(pika.URLParameters(RABBITMQ_URL))
@@ -45,8 +49,6 @@ PARSED_DIR = "parsed"
 DEBUG_ONE_FAC = None #'fevt'
 DEBUG_NO_SAVE_STATES = False
 
-parser.LOGGING = LOGGING = True
-
 def parse_sheets(download_place):
     to_return = {}
     try:
@@ -206,7 +208,7 @@ def run_session():
                         "excel_dict": excel_dict
                         }, ensure_ascii=False).encode('utf-8')
                 )
-                print(f"RabbitMQ published r={r}")
+                print(f"RabbitMQ published 'parser.excel_found.new'")
                 new_files += 1
             
             else:
@@ -266,7 +268,7 @@ def run_session():
                         delivery_mode=2
                     ),
                     body=json.dumps({
-                        "type": "excel_file_parsed",
+                        "type": "excel_file_parsed_not_same",
                         "is_new": is_new,
                         "state": state
                         }, ensure_ascii=False).encode('utf-8')
@@ -276,6 +278,9 @@ def run_session():
             states.append(state)
             
         except Exception as e:
+            if isinstance(e, ChannelWrongStateError):
+                raise e
+            
             faileds.append({
                 "uuid": str(uuid.uuid4()),
                 "exception": str(e),
@@ -326,8 +331,7 @@ def run_session():
                 delivery_mode=2
             ),
             body=json.dumps({
-                "type": "schedule_result_v2",
-                "data": d
+                "type": "schedule_result_v2_changed",
                 }, ensure_ascii=False).encode('utf-8')
         )
 
@@ -338,7 +342,7 @@ def run_session():
     except Exception as e:
         print(f"Error deleting directory '{DIRNAME}': {e}")
         
-    return {"changed_files": changed_files, 'total_files': total_files, "changed": changed, "new_files": new_files}
+    return {"changed_files": changed_files, 'total_files': total_files, "changed": changed, "new_files": new_files, "faileds": faileds, "faileds_count": len(faileds)}
 
 def check_dirs():
     
@@ -346,7 +350,11 @@ def check_dirs():
         os.mkdir(PARSED_DIR)
 
 def main():
-    while True:
+    flag = True
+    while flag:
+        if not INFINITY_LOOP:
+            flag = False
+        
         t = utils.StepTimeCounter()
         err = None
         sess = None
@@ -380,11 +388,12 @@ def main():
                 "session": sess
                 }, ensure_ascii=False).encode('utf-8')
         )
-    
-        sleep_time = random.randint(14*60, 21*60)
-        print(f"Sleep for {round(sleep_time/6)/10} minutes")
-        time.sleep(sleep_time)
-        print("Wake up!")
+
+        if flag:
+            sleep_time = random.randint(14*60, 21*60)
+            print(f"Sleep for {round(sleep_time/6)/10} minutes")
+            time.sleep(sleep_time)
+            print("Wake up!")