diff --git a/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Flash.kt b/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Flash.kt
index b5028969..7f5b4996 100644
--- a/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Flash.kt
+++ b/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Flash.kt
@@ -50,6 +50,7 @@ import me.weishu.kernelsu.ui.util.installBoot
 import me.weishu.kernelsu.ui.util.installModule
 import me.weishu.kernelsu.ui.util.reboot
 import me.weishu.kernelsu.ui.util.restoreBoot
+import me.weishu.kernelsu.ui.util.uninstallPermanently
 import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Date
@@ -174,6 +175,8 @@ sealed class FlashIt : Parcelable {
     data class FlashModule(val uri: Uri) : FlashIt()
 
     data object FlashRestore : FlashIt()
+
+    data object FlashUninstall : FlashIt()
 }
 
 fun flashIt(
@@ -194,6 +197,8 @@ fun flashIt(
         is FlashIt.FlashModule -> installModule(flashIt.uri, onFinish, onStdout, onStderr)
 
         FlashIt.FlashRestore -> restoreBoot(onFinish, onStdout, onStderr)
+
+        FlashIt.FlashUninstall -> uninstallPermanently(onFinish, onStdout, onStderr)
     }
 }
 
diff --git a/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Settings.kt b/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Settings.kt
index 9986a880..b2a18998 100644
--- a/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Settings.kt
+++ b/manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Settings.kt
@@ -213,7 +213,8 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                 }
             )
 
-            val lkmMode = Natives.version >= Natives.MINIMAL_SUPPORTED_KERNEL_LKM && Natives.isLkmMode
+            val lkmMode =
+                Natives.version >= Natives.MINIMAL_SUPPORTED_KERNEL_LKM && Natives.isLkmMode
             if (lkmMode) {
                 UninstallItem(navigator) {
                     loadingDialog.withLoading(it)
@@ -258,10 +259,14 @@ fun UninstallItem(
                 withLoading {
                     when (uninstallType) {
                         UninstallType.TEMPORARY -> showTodo()
-                        UninstallType.PERMANENT -> showTodo()
+                        UninstallType.PERMANENT -> navigator.navigate(
+                            FlashScreenDestination(FlashIt.FlashUninstall)
+                        )
+
                         UninstallType.RESTORE_STOCK_IMAGE -> navigator.navigate(
                             FlashScreenDestination(FlashIt.FlashRestore)
                         )
+
                         UninstallType.NONE -> Unit
                     }
                 }
diff --git a/manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt b/manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt
index cd723468..7eda13f8 100644
--- a/manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt
+++ b/manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt
@@ -191,6 +191,33 @@ fun restoreBoot(
     return result.isSuccess
 }
 
+fun uninstallPermanently(
+    onFinish: (Boolean, Int) -> Unit, onStdout: (String) -> Unit, onStderr: (String) -> Unit
+): Boolean {
+    val magiskboot = File(ksuApp.applicationInfo.nativeLibraryDir, "libmagiskboot.so")
+
+    val stdoutCallback: CallbackList<String?> = object : CallbackList<String?>() {
+        override fun onAddElement(s: String?) {
+            onStdout(s ?: "")
+        }
+    }
+
+    val stderrCallback: CallbackList<String?> = object : CallbackList<String?>() {
+        override fun onAddElement(s: String?) {
+            onStderr(s ?: "")
+        }
+    }
+
+    val result = withNewRootShell {
+        newJob().add("${getKsuDaemonPath()} uninstall --magiskboot $magiskboot")
+            .to(stdoutCallback, stderrCallback)
+            .exec()
+    }
+
+    onFinish(result.isSuccess, result.code)
+    return result.isSuccess
+}
+
 suspend fun shrinkModules(): Boolean = withContext(Dispatchers.IO) {
     execKsud("module shrink", true)
 }
@@ -414,7 +441,9 @@ fun launchApp(packageName: String) {
 
     val shell = getRootShell()
     val result =
-        shell.newJob().add("cmd package resolve-activity --brief $packageName | tail -n 1 | xargs cmd activity start-activity -n").exec()
+        shell.newJob()
+            .add("cmd package resolve-activity --brief $packageName | tail -n 1 | xargs cmd activity start-activity -n")
+            .exec()
     Log.i(TAG, "launch $packageName result: $result")
 }