diff --git a/wifi_manager.py b/wifi_manager.py
index babd1df..883d393 100644
--- a/wifi_manager.py
+++ b/wifi_manager.py
@@ -222,10 +222,13 @@ def get_known_wifi():
 def check_known_wifi(scan_wifi_list):
     known_wifi_exist = False
     known_wifi_list = get_known_wifi()
+    logging.info(f"Known Wi-Fi list: {known_wifi_list}")
+    logging.info(f"Scan Wi-Fi list: {scan_wifi_list}")
     for known_wifi in known_wifi_list:
         for wifi in scan_wifi_list:
             if known_wifi['ssid'] == wifi['ssid']:
                 known_wifi_exist = True
+                logging.info(f"Known Wi-Fi exist: {known_wifi['ssid']}")
     if not known_wifi_exist:
         return False
     while known_wifi_exist: