diff --git a/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
index 58cdafc..00cd27b 100644
--- a/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
@@ -85,12 +85,7 @@
 
     override fun handleMessage(msg: Message): Boolean {
         if (msg.what == LocaleConstant.BLUETOOTH_OFF) {
-            //防止用户开始打开蓝牙搜索，中途关闭蓝牙
-            try {
-                bleManager.cancelScan()
-            } catch (e: NullPointerException) {
-                e.printStackTrace()
-            }
+            bluetoothOn = false
             bleManager.disconnectAllDevice()
             SaveKeyValues.removeKey(LocaleConstant.DEVICE_CODE)
             binding.currentValueView.text = "--"
@@ -119,6 +114,7 @@
     private var isGeneratingTask = false
     private var alarmCount = 0
     private var connectedDeviceCode = ""
+    private var bluetoothOn = false
 
     override fun initViewBinding(
         inflater: LayoutInflater, container: ViewGroup?
@@ -340,6 +336,8 @@
                 return@setOnClickListener
             }
 
+            bluetoothOn = true
+
             if (bleManager.isConnected(connectedDevice)) {
                 AlertControlDialog.Builder()
                     .setContext(requireContext())
@@ -388,13 +386,15 @@
                     override fun onScanFinished(scanResultList: List<BleDevice>) {
                         LoadingDialogHub.dismiss()
 
-                        scanResultList.forEach {
-                            if (!it.name.isNullOrBlank()) {
-                                bluetoothDevices.add(it)
+                        if (bluetoothOn) {
+                            scanResultList.forEach {
+                                if (!it.name.isNullOrBlank()) {
+                                    bluetoothDevices.add(it)
+                                }
                             }
-                        }
 
-                        showScanResult(bluetoothDevices)
+                            showScanResult(bluetoothDevices)
+                        }
                     }
                 })
             }

diff --git a/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
index 58cdafc..00cd27b 100644
--- a/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/fragment/HomePageFragment.kt
@@ -85,12 +85,7 @@
 
     override fun handleMessage(msg: Message): Boolean {
         if (msg.what == LocaleConstant.BLUETOOTH_OFF) {
-            //防止用户开始打开蓝牙搜索，中途关闭蓝牙
-            try {
-                bleManager.cancelScan()
-            } catch (e: NullPointerException) {
-                e.printStackTrace()
-            }
+            bluetoothOn = false
             bleManager.disconnectAllDevice()
             SaveKeyValues.removeKey(LocaleConstant.DEVICE_CODE)
             binding.currentValueView.text = "--"
@@ -119,6 +114,7 @@
     private var isGeneratingTask = false
     private var alarmCount = 0
     private var connectedDeviceCode = ""
+    private var bluetoothOn = false
 
     override fun initViewBinding(
         inflater: LayoutInflater, container: ViewGroup?
@@ -340,6 +336,8 @@
                 return@setOnClickListener
             }
 
+            bluetoothOn = true
+
             if (bleManager.isConnected(connectedDevice)) {
                 AlertControlDialog.Builder()
                     .setContext(requireContext())
@@ -388,13 +386,15 @@
                     override fun onScanFinished(scanResultList: List<BleDevice>) {
                         LoadingDialogHub.dismiss()
 
-                        scanResultList.forEach {
-                            if (!it.name.isNullOrBlank()) {
-                                bluetoothDevices.add(it)
+                        if (bluetoothOn) {
+                            scanResultList.forEach {
+                                if (!it.name.isNullOrBlank()) {
+                                    bluetoothDevices.add(it)
+                                }
                             }
-                        }
 
-                        showScanResult(bluetoothDevices)
+                            showScanResult(bluetoothDevices)
+                        }
                     }
                 })
             }
diff --git a/app/src/main/java/com/casic/birmm/inspect/single/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/birmm/inspect/single/fragment/HomePageFragment.kt
index 986aaf9..32d25fc 100644
--- a/app/src/main/java/com/casic/birmm/inspect/single/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/birmm/inspect/single/fragment/HomePageFragment.kt
@@ -79,12 +79,7 @@
 
     override fun handleMessage(msg: Message): Boolean {
         if (msg.what == LocaleConstant.BLUETOOTH_OFF) {
-            //防止用户开始打开蓝牙搜索，中途关闭蓝牙
-            try {
-                bleManager.cancelScan()
-            } catch (e: NullPointerException) {
-                e.printStackTrace()
-            }
+            bluetoothOn = false
             bleManager.disconnectAllDevice()
             SaveKeyValues.removeKey(LocaleConstant.DEVICE_CODE)
             binding.currentValueView.text = "--"
@@ -109,6 +104,7 @@
     private var isGeneratingTask = false
     private var alarmCount = 0
     private var connectedDeviceCode = ""
+    private var bluetoothOn = false
 
     override fun initViewBinding(
         inflater: LayoutInflater, container: ViewGroup?
@@ -287,6 +283,8 @@
                 return@setOnClickListener
             }
 
+            bluetoothOn = true
+
             if (bleManager.isConnected(connectedDevice)) {
                 AlertControlDialog.Builder()
                     .setContext(requireContext())
@@ -335,13 +333,15 @@
                     override fun onScanFinished(scanResultList: List<BleDevice>) {
                         LoadingDialogHub.dismiss()
 
-                        scanResultList.forEach {
-                            if (!it.name.isNullOrBlank()) {
-                                bluetoothDevices.add(it)
+                        if (bluetoothOn) {
+                            scanResultList.forEach {
+                                if (!it.name.isNullOrBlank()) {
+                                    bluetoothDevices.add(it)
+                                }
                             }
-                        }
 
-                        showScanResult(bluetoothDevices)
+                            showScanResult(bluetoothDevices)
+                        }
                     }
                 })
             }