diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SettingActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SettingActivity.kt
index cf03fc0..d065d46 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SettingActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/SettingActivity.kt
@@ -7,9 +7,16 @@ import android.view.View
 import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.ActivitySettingBinding
 import com.yinuo.safetywatcher.watcher.base.NoOptionsActivity
+import com.yinuo.safetywatcher.watcher.ui.view.ConfirmDialog
 
 class SettingActivity : NoOptionsActivity() {
 
+    private val resetFactoryDialog by lazy {
+        ConfirmDialog() {
+            resetEverything()
+        }
+    }
+
     private val mBinding: ActivitySettingBinding by lazy {
         ActivitySettingBinding.inflate(layoutInflater)
     }
@@ -49,20 +56,12 @@ class SettingActivity : NoOptionsActivity() {
                 startActivity(Intent(this@SettingActivity, NetSettingActivity::class.java))
             }
             itemRecovery.setOnClickListener {
-                try {
-                    val intent = Intent(Intent.ACTION_VIEW)
-                    intent.component =
-                        ComponentName("com.android.settings", "com.android.settings.SubSettings")
-                    intent.putExtra(":settings:show_fragment", "com.android.settings.MasterClear")
-                    startActivity(intent)
-                } catch (e: Exception) {
-                    Log.w(this@SettingActivity.javaClass.name, "$e.message")
-                }
+                resetFactoryDialog.show(supportFragmentManager, "resetDialog")
             }
         }
     }
 
-    fun resetEverything() {
+    private fun resetEverything() {
         val intent = Intent("android.intent.action.FACTORY_RESET")
         intent.setPackage("android")
         intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
@@ -70,4 +69,16 @@ class SettingActivity : NoOptionsActivity() {
         intent.putExtra("com.android.internal.intent.extra.WIPE_ESIMS", false)
         sendBroadcast(intent);
     }
+
+    private fun go2RestPage() {
+        try {
+            val intent = Intent(Intent.ACTION_VIEW)
+            intent.component =
+                ComponentName("com.android.settings", "com.android.settings.SubSettings")
+            intent.putExtra(":settings:show_fragment", "com.android.settings.MasterClear")
+            startActivity(intent)
+        } catch (e: Exception) {
+            Log.w(this@SettingActivity.javaClass.name, "$e.message")
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/view/ConfirmDialog.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/view/ConfirmDialog.kt
new file mode 100644
index 0000000..f4a80a0
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/view/ConfirmDialog.kt
@@ -0,0 +1,55 @@
+package com.yinuo.safetywatcher.watcher.ui.view
+
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.os.Bundle
+import android.view.Gravity
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.DialogFragment
+import com.yinuo.safetywatcher.R
+import com.yinuo.safetywatcher.databinding.LayoutConfirmDialogBinding
+
+class ConfirmDialog(
+    private val tipResID: Int = R.string.confirm_clear_data_tip,
+    private val onConfirmClick: (() -> Unit?)? = null
+) :
+    DialogFragment() {
+
+    var dialogBinding: LayoutConfirmDialogBinding? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        dialogBinding = LayoutConfirmDialogBinding.inflate(inflater, container, false)
+        dialogBinding!!.tip.text = getString(tipResID)
+        dialogBinding!!.tvConfirm.setOnClickListener {
+            onConfirmClick?.invoke()
+        }
+        dialogBinding!!.tvCancel.setOnClickListener {
+            this@ConfirmDialog.dismiss()
+        }
+        return dialogBinding!!.root
+    }
+
+    @Deprecated("Deprecated in Java")
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        initWindow()
+    }
+
+    private fun initWindow() {
+        //初始化window相关表现
+        val window = dialog?.window
+        //设备背景为透明（默认白色）
+        window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+        //设置window宽高(单位px)
+        window?.attributes?.width = 480
+        window?.attributes?.height = 320
+        //设置window位置
+        window?.attributes?.gravity = Gravity.CENTER//居中
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/layout_confirm_dialog.xml b/app/src/main/res/layout/layout_confirm_dialog.xml
new file mode 100644
index 0000000..e079976
--- /dev/null
+++ b/app/src/main/res/layout/layout_confirm_dialog.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="@dimen/_480dp"
+    android:layout_height="@dimen/_320dp"
+    android:background="@drawable/warn_setting_btn_bg"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/tip"
+        android:layout_width="wrap_content"
+        android:layout_height="0dp"
+        android:layout_gravity="center"
+        android:layout_marginTop="@dimen/_36dp"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:text="@string/sync_data_tip"
+        android:textColor="@color/white"
+        android:textSize="@dimen/_30dp" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/tv_cancel"
+            android:layout_width="0dp"
+            android:layout_height="@dimen/_81dp"
+            android:layout_weight="1"
+            android:background="@drawable/cancel_btn_bg"
+            android:focusable="true"
+            android:gravity="center"
+            android:focusedByDefault="true"
+            android:text="@string/cancel"
+            android:textColor="@color/white_30"
+            android:textSize="@dimen/_36dp" />
+
+        <TextView
+            android:id="@+id/tv_confirm"
+            android:layout_width="0dp"
+            android:layout_height="@dimen/_81dp"
+            android:layout_weight="1"
+            android:background="@drawable/confirm_btn_bg"
+            android:focusable="true"
+            android:gravity="center"
+            android:text="@string/confirm"
+            android:textColor="@color/white"
+            android:textSize="@dimen/_36dp" />
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index af546ca..82c843a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -58,4 +58,6 @@
 
     <string name="connecting_camera">正在连接摄像头...</string>
     <string name="repeat_click_sync_tip">正在同步中，请勿重复点击</string>
+
+    <string name="confirm_clear_data_tip">确定恢复出厂设置？</string>
 </resources>