diff --git a/app/src/main/java/com/bintianqi/owndroid/Auth.kt b/app/src/main/java/com/bintianqi/owndroid/Auth.kt
index 6075013..ccad6a8 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Auth.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Auth.kt
@@ -101,16 +101,21 @@ fun Auth(activity: FragmentActivity, callback: AuthenticationCallback, promptInf
         Button(
             onClick = {
                 val bioManager = BiometricManager.from(context)
-                when(BiometricManager.BIOMETRIC_SUCCESS){
-                    bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_STRONG) ->
-                        promptInfo
-                            .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_STRONG)
-                            .setNegativeButtonText("Use password")
-                    bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_WEAK) ->
-                        promptInfo
-                            .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_WEAK)
-                            .setNegativeButtonText("Use password")
-                    else -> promptInfo.setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL)
+                val sharedPref = context.getSharedPreferences("data", Context.MODE_PRIVATE)
+                if(sharedPref.getBoolean("bio_auth", false)){
+                    when(BiometricManager.BIOMETRIC_SUCCESS){
+                        bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_STRONG) ->
+                            promptInfo
+                                .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_STRONG)
+                                .setNegativeButtonText("Use password")
+                        bioManager.canAuthenticate(BiometricManager.Authenticators.BIOMETRIC_WEAK) ->
+                            promptInfo
+                                .setAllowedAuthenticators(BiometricManager.Authenticators.BIOMETRIC_WEAK)
+                                .setNegativeButtonText("Use password")
+                        else -> promptInfo.setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL)
+                    }
+                }else{
+                    promptInfo.setAllowedAuthenticators(BiometricManager.Authenticators.DEVICE_CREDENTIAL)
                 }
                 authWithBiometricPrompt(activity, promptInfo.build(), callback)
             }
diff --git a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
index c2e0a3c..ba44883 100644
--- a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
@@ -60,9 +60,14 @@ class MainActivity : FragmentActivity() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
         super.onCreate(savedInstanceState)
         setContentView(R.layout.base)
+        val sharedPref = applicationContext.getSharedPreferences("data", Context.MODE_PRIVATE)
         val fragmentManager = supportFragmentManager
         val transaction = fragmentManager.beginTransaction()
-        transaction.add(R.id.base, AuthFragment(), "auth")
+        if(sharedPref.getBoolean("auth", false)){
+            transaction.add(R.id.base, AuthFragment(), "auth")
+        }else{
+            transaction.add(R.id.base, homeFragment, "home")
+        }
         transaction.commit()
         val locale = applicationContext.resources?.configuration?.locale
         zhCN = locale==Locale.SIMPLIFIED_CHINESE||locale==Locale.CHINESE||locale==Locale.CHINA
diff --git a/app/src/main/java/com/bintianqi/owndroid/Setting.kt b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
index eb59a9a..2337fc9 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Setting.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
@@ -14,9 +14,7 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.MaterialTheme.typography
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.getValue
+import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
@@ -56,9 +54,10 @@ fun AppSetting(navCtrl:NavHostController, materialYou: MutableState<Boolean>, bl
             popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
-            composable(route = "Home"){Home(localNavCtrl)}
-            composable(route = "Settings"){Settings(materialYou, blackTheme)}
-            composable(route = "About"){About()}
+            composable(route = "Home"){ Home(localNavCtrl) }
+            composable(route = "Theme"){ ThemeSettings(materialYou, blackTheme) }
+            composable(route = "Auth"){ AuthSettings() }
+            composable(route = "About"){ About() }
         }
     }
 }
@@ -66,13 +65,14 @@ fun AppSetting(navCtrl:NavHostController, materialYou: MutableState<Boolean>, bl
 @Composable
 private fun Home(navCtrl: NavHostController){
     Column(modifier = Modifier.fillMaxSize()){
-        SubPageItem(R.string.setting,"",R.drawable.settings_fill0){navCtrl.navigate("Settings")}
+        SubPageItem(R.string.setting,"",R.drawable.settings_fill0){navCtrl.navigate("Theme")}
+        SubPageItem(R.string.security,"",R.drawable.settings_fill0){navCtrl.navigate("Auth")}
         SubPageItem(R.string.about,"",R.drawable.info_fill0){navCtrl.navigate("About")}
     }
 }
 
 @Composable
-private fun Settings(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>){
+private fun ThemeSettings(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>){
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
     Column(modifier = Modifier.fillMaxSize().verticalScroll(rememberScrollState())) {
         if(VERSION.SDK_INT>=31){
@@ -98,6 +98,31 @@ private fun Settings(materialYou:MutableState<Boolean>, blackTheme:MutableState<
     }
 }
 
+@Composable
+private fun AuthSettings(){
+    val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
+    var auth by remember{ mutableStateOf(sharedPref.getBoolean("auth",false)) }
+    Column(modifier = Modifier.fillMaxSize().verticalScroll(rememberScrollState())) {
+        if(VERSION.SDK_INT>=30){
+            SwitchItem(
+                R.string.lock_owndroid, "", null,
+                { auth },
+                {
+                    sharedPref.edit().putBoolean("auth",it).apply()
+                    auth = sharedPref.getBoolean("auth",false)
+                }
+            )
+        }
+        if(auth){
+            SwitchItem(
+                R.string.enable_bio_auth, "", null,
+                { sharedPref.getBoolean("bio_auth",false) },
+                { sharedPref.edit().putBoolean("bio_auth",it).apply() }
+            )
+        }
+    }
+}
+
 @Composable
 private fun About(){
     val myContext = LocalContext.current
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index bb31a11..0c73510 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -480,6 +480,9 @@
     <string name="source_code">源代码</string>
     <string name="amoled_black">纯黑夜间主题</string>
     <string name="blackTheme_desc">需要打开夜间模式</string>
+    <string name="security">安全</string>
+    <string name="lock_owndroid">锁定OwnDroid</string>
+    <string name="enable_bio_auth">使用生物识别</string>
 
     <!--AndroidPermission-->
     <string name="permission_READ_EXTERNAL_STORAGE">读取外部存储</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df0a295..44c4853 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -495,6 +495,9 @@
     <string name="source_code">Source code</string>
     <string name="amoled_black">Black theme</string>
     <string name="blackTheme_desc">Require dark mode on</string>
+    <string name="security">Security</string>
+    <string name="lock_owndroid">Lock OwnDroid</string>
+    <string name="enable_bio_auth">Auth with biometrics</string>
 
     <!--AndroidPermission-->
     <string name="permission_READ_EXTERNAL_STORAGE">Read external storage</string>