修复绑定设备时，出现白屏现象

lib/pages/device_bind/wifi_page.dart

@@ -50,7 +50,7 @@ class _WifiPageState extends State<WifiPage> {
       blueteethBindController.wifiStatus.value =
           widget.type['status']['status'];
     }
-    if (widget.type['mac'] == null) {
+    if (widget.type == null) {
       THapp bledevice = blueteethBindController.currentDevice!;
       bledevice.device.connect().then((Value) {
         var res2 = bledevice.isConnected;
@@ -75,7 +75,7 @@ class _WifiPageState extends State<WifiPage> {
             }
             if (onData.status == BleEventType.ready) {
               aa = await getDeviceNetVersion(
-                  blueteethBindController.currentDevice!, 2);
+                  blueteethBindController.currentDevice!, 10);
               if (aa == "4g") {
                 TopSlideNotification.show(
                   context,
@@ -198,7 +198,7 @@ class _WifiPageState extends State<WifiPage> {
                       left: 0,
                       child: returnIconButtom,
                     ),
-                    if (widget.type['mac'] == null)
+                    if (widget.type == null)
                       Positioned(
                         right: 20.rpx,
                         child: CustomCard(