diff --git a/scan_wifi.py b/scan_wifi.py
index 8f8577f..92b02b3 100644
--- a/scan_wifi.py
+++ b/scan_wifi.py
@@ -1,7 +1,7 @@
 import wifi_manager
 import subprocess
 import datetime
-
+import json
 
 def scan_wifi():
     try:
@@ -22,8 +22,8 @@ def scan_wifi():
         '''
         '''
         print(columns)
-        for i, column in enumerate(columns):
-            print(f"{i}: {column}")
+        # for i, column in enumerate(columns):
+            # print(f"{i}: {column}")
             
         # ['94:14:57:15:13:50', 'Meeting', 'MG', 'Infra', '1', '130', 'Mbit/s', '100', '****', 'WPA1', 'WPA2']
 
@@ -44,7 +44,8 @@ def scan_wifi():
             # 去除mac地址
             ssid = ssid.split(' ')[1:]
             ssid = ''.join(ssid)
-
+        if ssid == '--':
+            continue
         if ssid in ssid_list:
             continue
         ssid_list.append(ssid)