diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorSettingActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorSettingActivity.kt
index 06270dd..a2a0507 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorSettingActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorSettingActivity.kt
@@ -56,8 +56,10 @@ class SensorSettingActivity : NoOptionsActivity() {
         lifecycleScope.launch {
             val typeDao = DBUtils.gasTypeDao()
             val gasType = typeDao.getByName(gasName)
-            gasType?.nickName?.let {
-                mBinding.etName.setText(it)
+            if (gasType != null && !gasType.nickName.isNullOrEmpty()) {
+                mBinding.etName.setText(gasType.nickName)
+            } else {
+                mBinding.etName.setText("${gasName}传感器")
             }
             val gasRange = getGasRange(gasName, localGasUnit)
             mBinding.etStep.text = getString(R.string.sensor_step_txt).plus(": $gasRange")
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorThresholdSetActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorThresholdSetActivity.kt
index f5c05c0..4a678be 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorThresholdSetActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorThresholdSetActivity.kt
@@ -1,5 +1,6 @@
 package com.yinuo.safetywatcher.watcher.ui
 
+import android.view.KeyEvent
 import android.view.View
 import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.ActivitySensorThresholdBinding
@@ -9,6 +10,7 @@ import com.yinuo.safetywatcher.watcher.port.getGasLowThreshold
 import com.yinuo.safetywatcher.watcher.port.getLocalGasUnit
 import com.yinuo.safetywatcher.watcher.port.saveHighThreshold
 import com.yinuo.safetywatcher.watcher.port.saveLowThreshold
+import com.yinuo.safetywatcher.watcher.utils.showIme
 import com.yinuo.safetywatcher.watcher.utils.showToast
 
 class SensorThresholdSetActivity : NoOptionsActivity() {
@@ -46,6 +48,50 @@ class SensorThresholdSetActivity : NoOptionsActivity() {
             saveData()
             showToast("保存成功")
         }
+
+        setListener()
+    }
+
+    private fun setListener() {
+        mBinding.etMin.setOnKeyListener { _, keyCode, event ->
+            if (keyCode == KeyEvent.KEYCODE_DPAD_UP) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    tryFocusBackArea()
+                    return@setOnKeyListener true
+                }
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.etMax.requestFocus()
+                    return@setOnKeyListener true
+                }
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.etMin.showIme()
+                    return@setOnKeyListener true
+                }
+            }
+            return@setOnKeyListener false
+        }
+
+        mBinding.etMax.setOnKeyListener { _, keyCode, event ->
+            if (keyCode == KeyEvent.KEYCODE_DPAD_UP) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.etMin.requestFocus()
+                    return@setOnKeyListener true
+                }
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.tvSave.requestFocus()
+                    return@setOnKeyListener true
+                }
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.etMax.showIme()
+                    return@setOnKeyListener true
+                }
+            }
+            return@setOnKeyListener false
+        }
     }
 
     private fun saveData() {
diff --git a/app/src/main/res/layout/activity_sensor_threshold.xml b/app/src/main/res/layout/activity_sensor_threshold.xml
index 2f38e22..d5e9ca9 100644
--- a/app/src/main/res/layout/activity_sensor_threshold.xml
+++ b/app/src/main/res/layout/activity_sensor_threshold.xml
@@ -20,6 +20,8 @@
         android:layout_height="@dimen/_100dp"
         android:layout_marginTop="@dimen/_20dp"
         android:background="@drawable/cloud_sync_btn_bg"
+        android:paddingStart="@dimen/_12dp"
+        android:focusable="true"
         android:inputType="number"
         android:textColor="@color/white"
         android:textSize="@dimen/_30dp" />
@@ -39,6 +41,8 @@
         android:layout_height="@dimen/_100dp"
         android:layout_marginTop="@dimen/_20dp"
         android:background="@drawable/cloud_sync_btn_bg"
+        android:paddingStart="@dimen/_12dp"
+        android:focusable="true"
         android:inputType="number"
         android:textColor="@color/white"
         android:textSize="@dimen/_30dp" />