更新波形图

lib/pages/mh_page/device/component/DeviceComponentWidget.dart

@@ -541,7 +541,8 @@ class _DeviceComponentWidgetState extends State<DeviceComponentWidget> {
       DailyLogUtils.printLog("蓝牙获取MAC失败：$e");
       TopSlideNotification.show(
         context,
-        text: "设备连接失败,请重试".tr,
+        // text: e.message ?? "设备连接失败,请重试".tr,
+        text: "获取不到传感器mac,请重试".tr,
         textColor: themeController.currentColor.sc9,
       );
       rethrow;
@@ -632,6 +633,12 @@ class _DeviceComponentWidgetState extends State<DeviceComponentWidget> {
 
       try {
         final mac = await completer.future.timeout(timeout);
+        if (mac == null || mac.isEmpty) {
+          throw Exception("获取MAC失败");
+        }
+        if (mac == "000000000000") {
+          throw Exception("获取MAC失败");
+        }
         await subscription.cancel();
         return mac;
       } catch (_) {