diff --git a/star_lock/lib/blue/blue_manage.dart b/star_lock/lib/blue/blue_manage.dart
index 429cab8a..061ea4aa 100644
--- a/star_lock/lib/blue/blue_manage.dart
+++ b/star_lock/lib/blue/blue_manage.dart
@@ -346,7 +346,7 @@ class BlueManage {
     if (isAddEquipment == false) {
       //取消缓存直接使用，存在配对场景设备信息会更变
       startScan(10, (List<ScanResult> scanDevices) {
-        _connectDevice(devicesList, deviceName, connectStateCallBack,
+        _connectDevice(scanDevices, deviceName, connectStateCallBack,
             isAddEquipment: isAddEquipment);
       });
     } else {
@@ -364,6 +364,7 @@ class BlueManage {
         (d.device.platformName == deviceName) ||
         (d.advertisementData.advName == deviceName));
 
+    ScanResult? scanResult;//使用局部变量防止出现缓存
     if (knownDeviceIndex >= 0) {
       // 存在的时候赋值
       connectDeviceMacAddress =
@@ -380,7 +381,7 @@ class BlueManage {
     }
     // AppLog.log("1 connectDeviceId:$connectDeviceMacAddress  connectDeviceName:$connectDeviceName");
     // stopScan();
-    if (connectDeviceMacAddress.isEmpty) {
+    if (scanResult == null ||connectDeviceMacAddress.isEmpty) {
       // connectStateCallBack(BluetoothConnectionState.disconnected!);
       return;
     }
@@ -388,7 +389,7 @@ class BlueManage {
     // AppLog.log("调用了停止扫描的方法");
     await stopScan();
 
-    if ((scanResult!.advertisementData.serviceUuids[0].toString()[31] == "0") &&
+    if ((scanResult.advertisementData.serviceUuids[0].toString()[31] == "0") &&
         isAddEquipment == false) {
       connectStateCallBack(BluetoothConnectionState.disconnected);
       EasyLoading.showToast("该锁已被重置".tr, duration: 2000.milliseconds);