diff --git a/wifi_manager.py b/wifi_manager.py
index 1902053..16bf5fd 100644
--- a/wifi_manager.py
+++ b/wifi_manager.py
@@ -71,7 +71,7 @@ def check_wifi_connection():
 def scan_wifi():
     subprocess.run(['nmcli', 'dev', 'wifi', 'rescan'], check=True)
     cmd = "nmcli dev wifi"
-    output = subprocess.run(cmd, shell=True, capture_output=True, text=True)
+    result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
     
     wifi_list = []
     output = result.stdout.strip()
@@ -191,15 +191,10 @@ def disconnect_wifi():
         output_str = output.decode('utf-8')  # 将输出转换为字符串
         if "successfully disconnected" in output_str:
             print(f"{datetime.datetime.now()}: Wi-Fi disconnected successfully")
-            return True
-        elif 'not all devices disconnected' in output_str:
-            print(f"{datetime.datetime.now()}: Wi-Fi not disconnected: {output_str}")
-            return False
         else:
             print(f"{datetime.datetime.now()}: Error disconnecting from Wi-Fi: {output_str}")
     except Exception as e:
         print(f"{datetime.datetime.now()}: Error disconnecting from Wi-Fi: {e}")
-    return False