diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 78a350b..796a6a2 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -80,10 +80,12 @@
     override fun initEvent() {
         binding.radioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
                 } else if (checkedId == R.id.closeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
                 }
             }
         }

diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 78a350b..796a6a2 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -80,10 +80,12 @@
     override fun initEvent() {
         binding.radioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
                 } else if (checkedId == R.id.closeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
                 }
             }
         }
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
index 0640400..69127f5 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
@@ -53,70 +53,76 @@
 
     override fun initEvent() {
         binding.volumeSlider.addOnChangeListener { _, value, _ ->
-            //判断是增大还是减音量
-            if (value > lastSliderValue) {
-                //还需要判断是一步一步的变大还是突然变大
-                if (value - lastSliderValue == 1.0f) {
-                    //一步一步的变大
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+            if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@addOnChangeListener
+                //判断是增大还是减音量
+                if (value > lastSliderValue) {
+                    //还需要判断是一步一步的变大还是突然变大
+                    if (value - lastSliderValue == 1.0f) {
+                        //一步一步的变大
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                    } else {
+                        //突然变大。计算需要一步步变大几次
+                        val changeTimes = (value - lastSliderValue).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                                delay(100)
+                            }
+                        }
+                    }
                 } else {
-                    //突然变大。计算需要一步步变大几次
-                    val changeTimes = (value - lastSliderValue).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.INCREASE_VOICE_CODE
-                            )
-                            delay(100)
+                    //还需要判断是一步一步的变小还是突然变小
+                    if (lastSliderValue - value == 1.0f) {
+                        //一步一步的变小
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                    } else {
+                        //突然变小。计算需要一步步变小几次
+                        val changeTimes = (lastSliderValue - value).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                                delay(100)
+                            }
                         }
                     }
                 }
-            } else {
-                //还需要判断是一步一步的变小还是突然变小
-                if (lastSliderValue - value == 1.0f) {
-                    //一步一步的变小
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
-                } else {
-                    //突然变小。计算需要一步步变小几次
-                    val changeTimes = (lastSliderValue - value).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.REDUCE_VOICE_CODE
-                            )
-                            delay(100)
-                        }
-                    }
-                }
+                binding.volumeValueView.text = valueToChineseMap[value]
+                //更新值
+                lastSliderValue = value
+                SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
             }
-            binding.volumeValueView.text = valueToChineseMap[value]
-            //更新值
-            lastSliderValue = value
-            SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
         }
 
         binding.modeRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.localeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
                 } else if (checkedId == R.id.remoteRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
                 }
             }
         }
 
         binding.alarmRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_ALARM_CODE)
                 } else if (checkedId == R.id.closeAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_ALARM_CODE)
                 }
             }
         }
 
         binding.deviceRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openVoiceRadioButton) {
                     SaveKeyValues.putValue(LocaleConstant.OPEN_VOICE_KEY, true)
                 } else if (checkedId == R.id.closeVoiceRadioButton) {

diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 78a350b..796a6a2 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -80,10 +80,12 @@
     override fun initEvent() {
         binding.radioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
                 } else if (checkedId == R.id.closeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
                 }
             }
         }
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
index 0640400..69127f5 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
@@ -53,70 +53,76 @@
 
     override fun initEvent() {
         binding.volumeSlider.addOnChangeListener { _, value, _ ->
-            //判断是增大还是减音量
-            if (value > lastSliderValue) {
-                //还需要判断是一步一步的变大还是突然变大
-                if (value - lastSliderValue == 1.0f) {
-                    //一步一步的变大
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+            if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@addOnChangeListener
+                //判断是增大还是减音量
+                if (value > lastSliderValue) {
+                    //还需要判断是一步一步的变大还是突然变大
+                    if (value - lastSliderValue == 1.0f) {
+                        //一步一步的变大
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                    } else {
+                        //突然变大。计算需要一步步变大几次
+                        val changeTimes = (value - lastSliderValue).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                                delay(100)
+                            }
+                        }
+                    }
                 } else {
-                    //突然变大。计算需要一步步变大几次
-                    val changeTimes = (value - lastSliderValue).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.INCREASE_VOICE_CODE
-                            )
-                            delay(100)
+                    //还需要判断是一步一步的变小还是突然变小
+                    if (lastSliderValue - value == 1.0f) {
+                        //一步一步的变小
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                    } else {
+                        //突然变小。计算需要一步步变小几次
+                        val changeTimes = (lastSliderValue - value).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                                delay(100)
+                            }
                         }
                     }
                 }
-            } else {
-                //还需要判断是一步一步的变小还是突然变小
-                if (lastSliderValue - value == 1.0f) {
-                    //一步一步的变小
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
-                } else {
-                    //突然变小。计算需要一步步变小几次
-                    val changeTimes = (lastSliderValue - value).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.REDUCE_VOICE_CODE
-                            )
-                            delay(100)
-                        }
-                    }
-                }
+                binding.volumeValueView.text = valueToChineseMap[value]
+                //更新值
+                lastSliderValue = value
+                SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
             }
-            binding.volumeValueView.text = valueToChineseMap[value]
-            //更新值
-            lastSliderValue = value
-            SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
         }
 
         binding.modeRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.localeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
                 } else if (checkedId == R.id.remoteRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
                 }
             }
         }
 
         binding.alarmRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_ALARM_CODE)
                 } else if (checkedId == R.id.closeAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_ALARM_CODE)
                 }
             }
         }
 
         binding.deviceRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openVoiceRadioButton) {
                     SaveKeyValues.putValue(LocaleConstant.OPEN_VOICE_KEY, true)
                 } else if (checkedId == R.id.closeVoiceRadioButton) {
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
index dc74dbb..2267f8d 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
@@ -61,6 +61,14 @@
             LocaleConstant.OPEN_REMOTE_MODE_CODE -> {
                 tcpClient.sendMessage(CommandCreator.createOpenRemoteModeCommand())
             }
+
+            LocaleConstant.OPEN_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createOpenAlarmCommand())
+            }
+
+            LocaleConstant.CLOSE_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createCloseAlarmCommand())
+            }
         }
         return true
     }
@@ -161,6 +169,15 @@
                             }
                         }
 
+                        "92" -> {
+                            //燃气报警开关
+                            if (bytes[10].toInt() == 1) {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                            } else {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                            }
+                        }
+
                         "91" -> {
                             //激光状态
                             if (bytes[10].toInt() == 1) {

diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 78a350b..796a6a2 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -80,10 +80,12 @@
     override fun initEvent() {
         binding.radioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
                 } else if (checkedId == R.id.closeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
                 }
             }
         }
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
index 0640400..69127f5 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
@@ -53,70 +53,76 @@
 
     override fun initEvent() {
         binding.volumeSlider.addOnChangeListener { _, value, _ ->
-            //判断是增大还是减音量
-            if (value > lastSliderValue) {
-                //还需要判断是一步一步的变大还是突然变大
-                if (value - lastSliderValue == 1.0f) {
-                    //一步一步的变大
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+            if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@addOnChangeListener
+                //判断是增大还是减音量
+                if (value > lastSliderValue) {
+                    //还需要判断是一步一步的变大还是突然变大
+                    if (value - lastSliderValue == 1.0f) {
+                        //一步一步的变大
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                    } else {
+                        //突然变大。计算需要一步步变大几次
+                        val changeTimes = (value - lastSliderValue).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                                delay(100)
+                            }
+                        }
+                    }
                 } else {
-                    //突然变大。计算需要一步步变大几次
-                    val changeTimes = (value - lastSliderValue).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.INCREASE_VOICE_CODE
-                            )
-                            delay(100)
+                    //还需要判断是一步一步的变小还是突然变小
+                    if (lastSliderValue - value == 1.0f) {
+                        //一步一步的变小
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                    } else {
+                        //突然变小。计算需要一步步变小几次
+                        val changeTimes = (lastSliderValue - value).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                                delay(100)
+                            }
                         }
                     }
                 }
-            } else {
-                //还需要判断是一步一步的变小还是突然变小
-                if (lastSliderValue - value == 1.0f) {
-                    //一步一步的变小
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
-                } else {
-                    //突然变小。计算需要一步步变小几次
-                    val changeTimes = (lastSliderValue - value).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.REDUCE_VOICE_CODE
-                            )
-                            delay(100)
-                        }
-                    }
-                }
+                binding.volumeValueView.text = valueToChineseMap[value]
+                //更新值
+                lastSliderValue = value
+                SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
             }
-            binding.volumeValueView.text = valueToChineseMap[value]
-            //更新值
-            lastSliderValue = value
-            SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
         }
 
         binding.modeRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.localeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
                 } else if (checkedId == R.id.remoteRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
                 }
             }
         }
 
         binding.alarmRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_ALARM_CODE)
                 } else if (checkedId == R.id.closeAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_ALARM_CODE)
                 }
             }
         }
 
         binding.deviceRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openVoiceRadioButton) {
                     SaveKeyValues.putValue(LocaleConstant.OPEN_VOICE_KEY, true)
                 } else if (checkedId == R.id.closeVoiceRadioButton) {
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
index dc74dbb..2267f8d 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
@@ -61,6 +61,14 @@
             LocaleConstant.OPEN_REMOTE_MODE_CODE -> {
                 tcpClient.sendMessage(CommandCreator.createOpenRemoteModeCommand())
             }
+
+            LocaleConstant.OPEN_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createOpenAlarmCommand())
+            }
+
+            LocaleConstant.CLOSE_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createCloseAlarmCommand())
+            }
         }
         return true
     }
@@ -161,6 +169,15 @@
                             }
                         }
 
+                        "92" -> {
+                            //燃气报警开关
+                            if (bytes[10].toInt() == 1) {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                            } else {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                            }
+                        }
+
                         "91" -> {
                             //激光状态
                             if (bytes[10].toInt() == 1) {
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt b/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
index 6256369..a71ba93 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
@@ -2,14 +2,14 @@
 
 object CommandCreator {
     /**
-     * 打开激光
+     * 打开激光指令
      */
     fun createOpenLightCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x91.toByte(), 0x01, 0x00, 0x93.toByte())
     }
 
     /**
-     * 关闭激光
+     * 关闭激光指令
      */
     fun createCloseLightCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x91.toByte(), 0x00, 0x00, 0x92.toByte())
@@ -23,7 +23,7 @@
     }
 
     /**
-     * 设置甲烷阈值
+     * 设置甲烷阈值指令
      */
     fun createThresholdCommand(threshold: Int): ByteArray {
         //数据位和校验位先都设置0x00占位
@@ -93,4 +93,18 @@
     fun createOpenRemoteModeCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x90.toByte(), 0x01, 0x00, 0x92.toByte())
     }
+
+    /**
+     * 打开燃气报警指令
+     */
+    fun createOpenAlarmCommand(): ByteArray {
+        return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x92.toByte(), 0x01, 0x00, 0x94.toByte())
+    }
+
+    /**
+     * 关闭燃气报警指令
+     */
+    fun createCloseAlarmCommand(): ByteArray {
+        return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x92.toByte(), 0x00, 0x00, 0x93.toByte())
+    }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 78a350b..796a6a2 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -80,10 +80,12 @@
     override fun initEvent() {
         binding.radioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_CODE)
                 } else if (checkedId == R.id.closeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_CODE)
                 }
             }
         }
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
index 0640400..69127f5 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/VoiceSettingsFragment.kt
@@ -53,70 +53,76 @@
 
     override fun initEvent() {
         binding.volumeSlider.addOnChangeListener { _, value, _ ->
-            //判断是增大还是减音量
-            if (value > lastSliderValue) {
-                //还需要判断是一步一步的变大还是突然变大
-                if (value - lastSliderValue == 1.0f) {
-                    //一步一步的变大
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+            if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@addOnChangeListener
+                //判断是增大还是减音量
+                if (value > lastSliderValue) {
+                    //还需要判断是一步一步的变大还是突然变大
+                    if (value - lastSliderValue == 1.0f) {
+                        //一步一步的变大
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                    } else {
+                        //突然变大。计算需要一步步变大几次
+                        val changeTimes = (value - lastSliderValue).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.INCREASE_VOICE_CODE)
+                                delay(100)
+                            }
+                        }
+                    }
                 } else {
-                    //突然变大。计算需要一步步变大几次
-                    val changeTimes = (value - lastSliderValue).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.INCREASE_VOICE_CODE
-                            )
-                            delay(100)
+                    //还需要判断是一步一步的变小还是突然变小
+                    if (lastSliderValue - value == 1.0f) {
+                        //一步一步的变小
+                        weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                    } else {
+                        //突然变小。计算需要一步步变小几次
+                        val changeTimes = (lastSliderValue - value).toInt()
+                        lifecycleScope.launch(Dispatchers.IO) {
+                            for (i in 0 until changeTimes) {
+                                weakReferenceHandler.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
+                                delay(100)
+                            }
                         }
                     }
                 }
-            } else {
-                //还需要判断是一步一步的变小还是突然变小
-                if (lastSliderValue - value == 1.0f) {
-                    //一步一步的变小
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.REDUCE_VOICE_CODE)
-                } else {
-                    //突然变小。计算需要一步步变小几次
-                    val changeTimes = (lastSliderValue - value).toInt()
-                    lifecycleScope.launch(Dispatchers.IO) {
-                        for (i in 0 until changeTimes) {
-                            SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(
-                                LocaleConstant.REDUCE_VOICE_CODE
-                            )
-                            delay(100)
-                        }
-                    }
-                }
+                binding.volumeValueView.text = valueToChineseMap[value]
+                //更新值
+                lastSliderValue = value
+                SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
             }
-            binding.volumeValueView.text = valueToChineseMap[value]
-            //更新值
-            lastSliderValue = value
-            SaveKeyValues.putValue(LocaleConstant.CURRENT_VOICE_VALUE_KEY, value)
         }
 
         binding.modeRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.localeRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_LOCALE_MODE_CODE)
                 } else if (checkedId == R.id.remoteRadioButton) {
-                    SocketConnectionService.weakReferenceHandler?.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_REMOTE_MODE_CODE)
                 }
             }
         }
 
         binding.alarmRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.OPEN_METHANE_ALARM_CODE)
                 } else if (checkedId == R.id.closeAlarmRadioButton) {
-                    SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                    weakReferenceHandler.sendEmptyMessage(LocaleConstant.CLOSE_METHANE_ALARM_CODE)
                 }
             }
         }
 
         binding.deviceRadioGroup.setOnCheckedChangeListener { _, checkedId ->
             if (isVisibleToUser) {
+                val weakReferenceHandler = SocketConnectionService.weakReferenceHandler
+                    ?: return@setOnCheckedChangeListener
                 if (checkedId == R.id.openVoiceRadioButton) {
                     SaveKeyValues.putValue(LocaleConstant.OPEN_VOICE_KEY, true)
                 } else if (checkedId == R.id.closeVoiceRadioButton) {
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
index dc74dbb..2267f8d 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/service/SocketConnectionService.kt
@@ -61,6 +61,14 @@
             LocaleConstant.OPEN_REMOTE_MODE_CODE -> {
                 tcpClient.sendMessage(CommandCreator.createOpenRemoteModeCommand())
             }
+
+            LocaleConstant.OPEN_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createOpenAlarmCommand())
+            }
+
+            LocaleConstant.CLOSE_METHANE_ALARM_CODE -> {
+                tcpClient.sendMessage(CommandCreator.createCloseAlarmCommand())
+            }
         }
         return true
     }
@@ -161,6 +169,15 @@
                             }
                         }
 
+                        "92" -> {
+                            //燃气报警开关
+                            if (bytes[10].toInt() == 1) {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, true)
+                            } else {
+                                SaveKeyValues.putValue(LocaleConstant.OPEN_ALARM_KEY, false)
+                            }
+                        }
+
                         "91" -> {
                             //激光状态
                             if (bytes[10].toInt() == 1) {
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt b/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
index 6256369..a71ba93 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/utils/CommandCreator.kt
@@ -2,14 +2,14 @@
 
 object CommandCreator {
     /**
-     * 打开激光
+     * 打开激光指令
      */
     fun createOpenLightCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x91.toByte(), 0x01, 0x00, 0x93.toByte())
     }
 
     /**
-     * 关闭激光
+     * 关闭激光指令
      */
     fun createCloseLightCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x91.toByte(), 0x00, 0x00, 0x92.toByte())
@@ -23,7 +23,7 @@
     }
 
     /**
-     * 设置甲烷阈值
+     * 设置甲烷阈值指令
      */
     fun createThresholdCommand(threshold: Int): ByteArray {
         //数据位和校验位先都设置0x00占位
@@ -93,4 +93,18 @@
     fun createOpenRemoteModeCommand(): ByteArray {
         return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x90.toByte(), 0x01, 0x00, 0x92.toByte())
     }
+
+    /**
+     * 打开燃气报警指令
+     */
+    fun createOpenAlarmCommand(): ByteArray {
+        return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x92.toByte(), 0x01, 0x00, 0x94.toByte())
+    }
+
+    /**
+     * 关闭燃气报警指令
+     */
+    fun createCloseAlarmCommand(): ByteArray {
+        return byteArrayOf(0xAA.toByte(), 0x01, 0x00, 0x92.toByte(), 0x00, 0x00, 0x93.toByte())
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/app/safetreecontroller/utils/LocaleConstant.kt b/app/src/main/java/com/casic/app/safetreecontroller/utils/LocaleConstant.kt
index b27290c..016d647 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/utils/LocaleConstant.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/utils/LocaleConstant.kt
@@ -22,6 +22,8 @@
     const val REDUCE_VOICE_CODE = 20240006
     const val OPEN_LOCALE_MODE_CODE = 20240007
     const val OPEN_REMOTE_MODE_CODE = 20240008
+    const val OPEN_METHANE_ALARM_CODE = 20240009
+    const val CLOSE_METHANE_ALARM_CODE = 20240010
 
     /**
      * Handler Response Code