diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasUtilss.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasUtilss.kt
index 61aaa6a..2418aef 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasUtilss.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasUtilss.kt
@@ -143,7 +143,7 @@ fun getLocalGasUnit(gasType: String): String {
     return getDefaultUnit(gasType)
 }
 
-private fun getDefaultUnit(gasType: String): String {
+fun getDefaultUnit(gasType: String): String {
     return when (gasType.uppercase()) {
         O2 -> UNIT_VOL
         CH4, H2 -> UNIT_LEL
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorCalibrationActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorCalibrationActivity.kt
index cdb6c28..2a893c9 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorCalibrationActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SensorCalibrationActivity.kt
@@ -1,12 +1,15 @@
 package com.yinuo.safetywatcher.watcher.ui
 
+import android.view.KeyEvent
 import android.view.View
 import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.ActivitySensorCalibrationBinding
 import com.yinuo.safetywatcher.watcher.base.NoOptionsActivity
 import com.yinuo.safetywatcher.watcher.port.GasPortUtils
+import com.yinuo.safetywatcher.watcher.port.getDefaultUnit
+import com.yinuo.safetywatcher.watcher.utils.showIme
 
-class SensorCalibrationActivity : NoOptionsActivity(){
+class SensorCalibrationActivity : NoOptionsActivity() {
     private val mBinding by lazy {
         ActivitySensorCalibrationBinding.inflate(layoutInflater)
     }
@@ -21,6 +24,33 @@ class SensorCalibrationActivity : NoOptionsActivity(){
 
     override fun initView() {
         val sensorIndex = intent.getIntExtra("index", -1)
+        val gasName = intent.getStringExtra("GasType")!!
+        val defaultUnit = getDefaultUnit(gasName)
+        mBinding.tvUnit.text = defaultUnit
+
+        /**
+         * 昵称edittext，按键设置
+         */
+        mBinding.etName.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.tvSave.requestFocus()
+                    return@setOnKeyListener true
+                }
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
+                if (event.action == KeyEvent.ACTION_DOWN) {
+                    mBinding.etName.showIme()
+                    return@setOnKeyListener true
+                }
+            }
+            return@setOnKeyListener false
+        }
+
         mBinding.tvSave.setOnClickListener {
             mBinding.etName.text.toString().let {
                 if (sensorIndex != -1) {
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 a2bf03d..6065e91 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
@@ -144,6 +144,7 @@ class SensorSettingActivity : NoOptionsActivity() {
         mBinding.tvSensorInit.setOnClickListener {
             val intent = Intent(this, SensorCalibrationActivity::class.java)
             intent.putExtra("index", sensorIndex)
+            intent.putExtra("GasType", gasName)
             startActivity(intent)
         }
     }
diff --git a/app/src/main/res/layout/activity_sensor_calibration.xml b/app/src/main/res/layout/activity_sensor_calibration.xml
index 3368be4..fa66759 100644
--- a/app/src/main/res/layout/activity_sensor_calibration.xml
+++ b/app/src/main/res/layout/activity_sensor_calibration.xml
@@ -13,24 +13,35 @@
         android:layout_marginTop="@dimen/_23dp"
         android:gravity="center"
         android:text="@string/calibration_tip"
-        android:focusable="true"
         android:textSize="@dimen/_40dp"/>
 
-    <EditText
-        android:id="@+id/et_name"
-        android:layout_width="@dimen/_600dp"
-        android:layout_height="@dimen/_100dp"
-        android:textSize="@dimen/_30dp"
-        android:layout_marginTop="@dimen/_23dp"
-        android:textColor="@color/white"
-        android:textColorHint="@color/white"
-        android:hint="@string/calibration_value"
-        android:singleLine="true"
-        android:inputType="number"
-        android:paddingStart="@dimen/_30dp"
-        android:focusable="true"
-        android:nextFocusDown="@id/et_name"
-        android:background="@drawable/cloud_sync_btn_bg"/>
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical"
+        android:layout_marginTop="@dimen/_23dp">
+        <EditText
+            android:id="@+id/et_name"
+            android:layout_width="@dimen/_600dp"
+            android:layout_height="@dimen/_100dp"
+            android:textSize="@dimen/_30dp"
+            android:textColor="@color/white"
+            android:textColorHint="@color/white"
+            android:hint="@string/calibration_value"
+            android:singleLine="true"
+            android:inputType="number"
+            android:paddingStart="@dimen/_30dp"
+            android:focusable="true"
+            android:nextFocusDown="@id/et_name"
+            android:background="@drawable/cloud_sync_btn_bg"/>
+        <TextView
+            android:id="@+id/tv_unit"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/_6dp"
+            android:textSize="@dimen/_30dp"
+            android:textColor="@color/white"/>
+    </LinearLayout>
 
     <TextView
         android:id="@+id/tv_save"