diff --git a/edu_master/webinar-checker/checker.py b/edu_master/webinar-checker/checker.py
index 5ecef74..d09c9fe 100644
--- a/edu_master/webinar-checker/checker.py
+++ b/edu_master/webinar-checker/checker.py
@@ -98,11 +98,59 @@ async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
         "/help - Show this message\n"
     )
     if update.effective_user.id == ADMIN_ID:
-        msg += "\n<b>Admin Commands:</b>\nUse the panel below to manage settings."
+        msg += (
+            "\n<b>Admin Commands:</b>\n"
+            "/adduser [user_id] - Add user to whitelist\n"
+            "/removeuser [user_id] - Remove user from whitelist\n"
+            "Or use the panel below to manage settings."
+        )
         await update.message.reply_text(msg, parse_mode='HTML', reply_markup=get_admin_keyboard())
     else:
         await update.message.reply_text(msg, parse_mode='HTML')
 
+async def add_user(update: Update, context: ContextTypes.DEFAULT_TYPE):
+    """Add user to whitelist (admin only)."""
+    if update.effective_user.id != ADMIN_ID:
+        await update.message.reply_text("⛔ Admin only!")
+        return
+    
+    if not context.args:
+        await update.message.reply_text("Usage: /adduser [user_id]")
+        return
+    
+    try:
+        user_id = int(context.args[0])
+        redis_client.sadd(KEY_WHITELIST, str(user_id))
+        await update.message.reply_text(f"✅ User {user_id} added to whitelist")
+        logger.info(f"Admin added user {user_id} to whitelist")
+    except ValueError:
+        await update.message.reply_text("❌ Invalid user ID. Must be a number.")
+
+async def remove_user(update: Update, context: ContextTypes.DEFAULT_TYPE):
+    """Remove user from whitelist (admin only)."""
+    if update.effective_user.id != ADMIN_ID:
+        await update.message.reply_text("⛔ Admin only!")
+        return
+    
+    if not context.args:
+        await update.message.reply_text("Usage: /removeuser [user_id]")
+        return
+    
+    try:
+        user_id = int(context.args[0])
+        if str(user_id) == str(ADMIN_ID):
+            await update.message.reply_text("❌ Cannot remove admin from whitelist")
+            return
+        
+        removed = redis_client.srem(KEY_WHITELIST, str(user_id))
+        if removed:
+            await update.message.reply_text(f"✅ User {user_id} removed from whitelist")
+            logger.info(f"Admin removed user {user_id} from whitelist")
+        else:
+            await update.message.reply_text(f"⚠️ User {user_id} was not in whitelist")
+    except ValueError:
+        await update.message.reply_text("❌ Invalid user ID. Must be a number.")
+
 # --- Admin Callbacks ---
 
 async def admin_callback(update: Update, context: ContextTypes.DEFAULT_TYPE):
@@ -137,18 +185,29 @@ async def admin_callback(update: Update, context: ContextTypes.DEFAULT_TYPE):
         
     elif data == "force_check":
         await query.message.reply_text("🔄 Running immediate check...")
-        await check_webinars_job(context)
+        result = await check_webinars_job(context)
+        
+        if result is None:
+            await query.message.reply_text("❌ Check failed. See logs for details.")
+        elif result == 0:
+            await query.message.reply_text("✅ Check completed. No webinars found.")
+        else:
+            await query.message.reply_text(f"✅ Check completed. Found {result} webinar(s)!")
 
 # --- Webinar Checking Job ---
 
 async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
-    """Background job to check for webinars using Async Playwright."""
+    """Background job to check for webinars using Async Playwright.
+    
+    Returns:
+        int: Number of webinars found, or None if check failed
+    """
     logger.info("Running webinar check...")
     
     phpsessid = redis_client.get(KEY_PHPSESSID)
     if not phpsessid:
         logger.warning("PHPSESSID missing. Skipping check.")
-        return
+        return None
 
     webinar_details = []
     
@@ -199,6 +258,7 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
                         
                 except Exception as e:
                     logger.error(f"Error checking page: {e}")
+                    return None
                 finally:
                     await page.close()
                     await context_browser.close()
@@ -208,7 +268,7 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
                 
     except Exception as e:
         logger.error(f"Playwright error: {e}")
-        return
+        return None
 
     # Notify subscribers if webinars found
     if webinar_details:
@@ -221,6 +281,8 @@ async def check_webinars_job(context: ContextTypes.DEFAULT_TYPE):
                 logger.info(f"Notification sent to {sub_id}")
             except Exception as e:
                 logger.error(f"Failed to send to {sub_id}: {e}")
+    
+    return len(webinar_details)
 
 # --- Main ---
 
@@ -242,6 +304,8 @@ def main():
     # Handlers
     app.add_handler(CommandHandler("start", start))
     app.add_handler(CommandHandler("help", help_command))
+    app.add_handler(CommandHandler("adduser", add_user))
+    app.add_handler(CommandHandler("removeuser", remove_user))
     app.add_handler(CallbackQueryHandler(admin_callback))
 
     # Job Queue