diff --git a/edu_master/webinar-checker/checker.py b/edu_master/webinar-checker/checker.py
index d09c9fe..e0217f2 100644
--- a/edu_master/webinar-checker/checker.py
+++ b/edu_master/webinar-checker/checker.py
@@ -3,17 +3,17 @@ import logging
 import redis
 
 from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
-from telegram.ext import Application, CommandHandler, CallbackQueryHandler, ContextTypes, JobQueue
+from telegram.ext import Application, CommandHandler, CallbackQueryHandler, ContextTypes
 from playwright.async_api import async_playwright
 
-# Configure logging
+# Logger
 logging.basicConfig(
     level=logging.INFO,
     format='%(asctime)s - %(levelname)s - %(message)s'
 )
 logger = logging.getLogger(__name__)
 
-# Load configuration
+# Load environment variables
 WEBINAR_URL = os.getenv('WEBINAR_URL', 'https://edu.edu.vn.ua/webinar/useractive')
 WEBINAR_CHECK_INTERVAL = int(os.getenv('WEBINAR_CHECK_INTERVAL', 60))
 REDIS_HOST = os.getenv('REDIS_HOST', 'redis')
@@ -207,9 +207,17 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
     phpsessid = redis_client.get(KEY_PHPSESSID)
     if not phpsessid:
         logger.warning("PHPSESSID missing. Skipping check.")
+        # --- DEBUG LOGGING ---
+        try:
+            with open('phpsessid_missing.log', 'a') as f:
+                f.write(f"[{os.getcwd()}] PHPSESSID missing at {context.job.last_run: %Y-%m-%d %H:%M:%S}\n")
+        except Exception as e:
+            logger.error(f"Failed to write PHPSESSID debug log: {e}")
+        # ---------------------
         return None
 
     webinar_details = []
+    content = ""
     
     try:
         async with async_playwright() as p:
@@ -237,6 +245,7 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
                     
                     # Wait for the table to load
                     await page.wait_for_selector('#meetings table', timeout=10000)
+                    await page.wait_for_timeout(2000)
                     
                     # Get page content
                     content = await page.content()
@@ -257,7 +266,14 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
                         logger.info("No webinars found (expected message present)")
                         
                 except Exception as e:
-                    logger.error(f"Error checking page: {e}")
+                    logger.error(f"Error checking page: {e}. Saving content for debug.")
+                    # If page content is available, save it on error
+                    try:
+                        if page and not content:
+                            content = await page.content()
+                    except Exception:
+                        pass # Ignore error during content retrieval on check error
+                    
                     return None
                 finally:
                     await page.close()
@@ -269,6 +285,16 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
     except Exception as e:
         logger.error(f"Playwright error: {e}")
         return None
+    
+    # --- DEBUG LOGGING (Saving last response content) ---
+    if not webinar_details and content: #if no webinars found, save the page content
+        try:
+            with open('response.html', 'w', encoding='utf-8') as f:
+                f.write(content)
+            logger.info("Saved page content to response.html for debug.")
+        except Exception as e:
+            logger.error(f"Failed to write debug HTML: {e}")
+    # -----------------------------------------------------
 
     # Notify subscribers if webinars found
     if webinar_details: