diff --git a/wifi_manager.py b/wifi_manager.py
index 1bdfc11..1b6bff5 100644
--- a/wifi_manager.py
+++ b/wifi_manager.py
@@ -290,7 +290,10 @@ def submit():
     # 关闭热点
     close_hotspot()
 
-    time.sleep(2)
+    time.sleep(1)
+    scan_wifi()
+    time.sleep(1)
+    
     # 连接到用户选择的 Wi-Fi 网络
     if connect_wifi(ssid, password):
         close_app()