diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/ChooseParamsActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/ChooseParamsActivity.kt
index a6662df..1ad1d1d 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/ChooseParamsActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/ChooseParamsActivity.kt
@@ -111,26 +111,26 @@ class ChooseParamsActivity : NoOptionsActivity() {
 
     private fun set4focus() {
         val startYearPicker = mBinding.startPicker.getPicker(YEAR)
-        startYearPicker?.setOnKeyListener(OnKeyListener { _, keyCode, event ->
+        startYearPicker?.setOnKeyListener { _, keyCode, event ->
             if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     tryFocusBackArea()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             }
-            return@OnKeyListener false
-        })
+            return@setOnKeyListener false
+        }
 
         val endMinPicker = mBinding.endPicker.getPicker(MIN)
-        endMinPicker?.setOnKeyListener(OnKeyListener { _, keyCode, event ->
+        endMinPicker?.setOnKeyListener { _, keyCode, event ->
             if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     mBinding.rbS30.requestFocus()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             }
-            return@OnKeyListener false
-        })
+            return@setOnKeyListener false
+        }
     }
 
     private fun returnDataback() {
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 bfc4c37..197b5bb 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
@@ -32,29 +32,28 @@ class SensorSettingActivity : NoOptionsActivity() {
             )
         }
 
-        mBinding.etName.setOnKeyListener(View.OnKeyListener { _, keyCode, event ->
+        mBinding.etName.setOnKeyListener { _, keyCode, event ->
             if (keyCode == KeyEvent.KEYCODE_DPAD_UP) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     tryFocusBackArea()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             } else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     mBinding.tvWarnSetting.requestFocus()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
-            } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER){
+            } else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     mBinding.etName.showIme()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             }
-            return@OnKeyListener false
+            return@setOnKeyListener false
         }
-        )
 
-        mBinding.etName.setOnFocusChangeListener { v, hasFocus ->
-            if (!hasFocus){
+        mBinding.etName.setOnFocusChangeListener { _, hasFocus ->
+            if (!hasFocus) {
                 mBinding.etName.hideIme()
             }
         }
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/TimeSettingActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/TimeSettingActivity.kt
index 148d638..4d7ebb8 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/TimeSettingActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/TimeSettingActivity.kt
@@ -53,26 +53,26 @@ class TimeSettingActivity : NoOptionsActivity() {
 
     private fun set4focus() {
         val yearPicker = mBingding.picker.getPicker(DateTimeConfig.YEAR)
-        yearPicker?.setOnKeyListener(View.OnKeyListener { _, keyCode, event ->
+        yearPicker?.setOnKeyListener { _, keyCode, event ->
             if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     tryFocusBackArea()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             }
-            return@OnKeyListener false
-        })
+            return@setOnKeyListener false
+        }
 
         val endMinPicker = mBingding.picker.getPicker(DateTimeConfig.MIN)
-        endMinPicker?.setOnKeyListener(View.OnKeyListener { _, keyCode, event ->
+        endMinPicker?.setOnKeyListener { _, keyCode, event ->
             if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
                 if (event.action == KeyEvent.ACTION_DOWN) {
                     mBingding.tvCancel.requestFocus()
-                    return@OnKeyListener true
+                    return@setOnKeyListener true
                 }
             }
-            return@OnKeyListener false
-        })
+            return@setOnKeyListener false
+        }
     }
 
     fun setShowTime(time: Long) {