diff --git a/lib/wlan.sh b/lib/wlan.sh
index 573aed7..2c25c27 100755
--- a/lib/wlan.sh
+++ b/lib/wlan.sh
@@ -33,7 +33,7 @@ logout() {
     PASSWORD=$2
 
     echo "Logout: ${USERNAME}"
-    RESPONSE=$(curl "https://net.zju.edu.cn/cgi-bin/srun_portal" -H "Content-Type: application/x-www-form-urlencoded" -d "action=logout" -s)
+    RESPONSE=$(curl "https://net.zju.edu.cn/rad_online.php" -H "Content-Type: application/x-www-form-urlencoded" -d "action=auto_dm&username=${USERNAME}&password=${PASSWORD}" -s)
 
     case "${RESPONSE}" in
         *ok*)