diff --git a/Guide.md b/Guide.md
index 4652bba..9717482 100644
--- a/Guide.md
+++ b/Guide.md
@@ -1093,16 +1093,15 @@ API31及以上弃用，请使用[密码复杂度要求](#密码复杂度要求)
 
 ### 动态取色
 
-需要安卓12或以上
+需要安卓12或以上，打开后OwnDroid中的颜色方案将会跟随系统
 
-在安卓12或以上此功能默认打开
+### 锁定OwnDroid
 
-打开后OwnDroid中的颜色方案将会跟随系统
+打开OwnDroid时要求使用锁屏密码或生物识别进行验证
 
-建议打开，因为自带的颜色方案不好看
-
-打开或关闭此功能都要重启OwnDroid
+可以选择冷启动或热启动时要求验证
 
+建议打开保护存储空间，以防止OwnDroid的存储空间被清除
 
 ## 构建
 
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index c43adde..b8904ae 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -28,7 +28,6 @@ android {
 
     buildTypes {
         release {
-            //project.gradle.startParameter.excludedTaskNames.add("lint")
             isMinifyEnabled = true
             isShrinkResources = true
             proguardFiles(
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 18ebe95..fe428b9 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -5,7 +5,7 @@
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
--dontobfuscate
+# -dontobfuscate
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class:
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index efeb69c..e0ee850 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -29,6 +29,7 @@
         android:theme="@style/Theme.OwnDroid"
         android:enableOnBackInvokedCallback="true"
         android:testOnly="false"
+        android:manageSpaceActivity=".ManageSpaceActivity"
         tools:targetApi="34">
         <activity
             android:name=".MainActivity"
@@ -45,6 +46,11 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ManageSpaceActivity"
+            android:windowSoftInputMode="adjustResize|stateHidden"
+            android:theme="@style/Theme.OwnDroid">
+        </activity>
         <receiver
             android:name=".Receiver"
             android:description="@string/app_name"
diff --git a/app/src/main/java/com/bintianqi/owndroid/Setting.kt b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
index dadc215..d274f15 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Setting.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
@@ -117,6 +117,11 @@ private fun AuthSettings(){
                 { sharedPref.edit().putBoolean("lock_in_background",it).apply() }
             )
         }
+        SwitchItem(
+            R.string.protect_storage, "", null,
+            { sharedPref.getBoolean("protect_storage",false) },
+            { sharedPref.edit().putBoolean("protect_storage",it).apply() }
+        )
         Box(modifier = Modifier.padding(horizontal = 8.dp)){
             Information {
                 Text(text = stringResource(R.string.auth_on_start))
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 3212770..5e47dd6 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -492,6 +492,11 @@
     <string name="auth_with_password">使用密码进行验证</string>
     <string name="auth_with_bio">使用生物识别进行验证</string>
     <string name="lock_in_background">处于后台时锁定</string>
+    <string name="protect_storage">保护存储空间</string>
+    <string name="storage_is_protected">存储空间受到保护</string>
+    <string name="you_cant_clear_storage">你不能清除OwnDroid的存储空间</string>
+    <string name="clear_storage">清除存储空间</string>
+    <string name="clear_storage_success">清除存储空间成功\n应用即将退出</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 014617b..5f85e4b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -507,6 +507,11 @@
     <string name="auth_with_password">Authenticate OwnDroid with password</string>
     <string name="auth_with_bio">Authenticate OwnDroid with biometrics</string>
     <string name="lock_in_background">Lock when switch to background</string>
+    <string name="protect_storage">Protect storage</string>
+    <string name="storage_is_protected">Storage is protected</string>
+    <string name="you_cant_clear_storage">You can\'t clear storage of OwnDroid</string>
+    <string name="clear_storage">Clear storage</string>
+    <string name="clear_storage_success">Clear storage success\nApplication will exit</string>
 
     <!--AndroidPermission-->
     <string name="permission_READ_EXTERNAL_STORAGE">Read external storage</string>