diff --git a/app/build.gradle b/app/build.gradle
index 8681df2..54f2ec5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,10 +21,10 @@ android {
         //targetSdkVersion compileSdkVersion
         targetSdkVersion 32
         // 版本号：发布日期
-        versionCode 20220306
+        versionCode 20220313
         // 版本名说明： R3.x.y.z (R3:Refactoring 第三次重构，z:Quick Fix序号)
         // 不要包含非ASCII可打印字符，会导致Github release文件名异常
-        versionName 'R3.15.4'
+        versionName 'R3.15.5'
         resConfigs "en", "zh-rCN"
 
         buildConfigField 'String', 'BUILD_TIME', '\"' + new Date() + '\"'
@@ -207,7 +207,7 @@ dependencies {
     implementation 'dev.rikka.rikkax.compatibility:compatibility:2.0.0'
 
     // https://github.com/KyuubiRan/EzXHelper
-    implementation 'com.github.kyuubiran:EzXHelper:0.7.4'
+    implementation 'com.github.kyuubiran:EzXHelper:0.7.5'
 
     // https://github.com/square/leakcanary
     debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.8.1'
diff --git a/app/src/main/java/github/ryuunoakaihitomi/powerpanel/ui/tuner/UiTunerActivity.kt b/app/src/main/java/github/ryuunoakaihitomi/powerpanel/ui/tuner/UiTunerActivity.kt
index 86f0eb9..305ae80 100644
--- a/app/src/main/java/github/ryuunoakaihitomi/powerpanel/ui/tuner/UiTunerActivity.kt
+++ b/app/src/main/java/github/ryuunoakaihitomi/powerpanel/ui/tuner/UiTunerActivity.kt
@@ -3,8 +3,9 @@ package github.ryuunoakaihitomi.powerpanel.ui.tuner
 import android.os.Bundle
 import androidx.annotation.Keep
 import androidx.appcompat.app.AppCompatActivity
+import com.github.kyuubiran.ezxhelper.utils.showToast
+import github.ryuunoakaihitomi.powerpanel.databinding.ActivityTunerPlaceholderBinding
 import github.ryuunoakaihitomi.powerpanel.stat.Statistics
-import github.ryuunoakaihitomi.powerpanel.util.uiLog
 import kotlin.system.exitProcess
 
 class UiTunerActivity : AppCompatActivity() {
@@ -22,13 +23,13 @@ class UiTunerActivity : AppCompatActivity() {
                 .commit()
             Statistics.logXposedEnabled()
         } else {
-            uiLog("Xposed required")
-            finish()
+            setContentView(ActivityTunerPlaceholderBinding.inflate(layoutInflater).root)
+            showToast("Xposed required")
         }
     }
 
     override fun onDestroy() {
         super.onDestroy()
-        if (hookedByXposed) exitProcess(0)  // 自杀让lsposed实现生效
+        exitProcess(0)  // 自杀让lsposed实现重读配置
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_tuner_placeholder.xml b/app/src/main/res/layout/activity_tuner_placeholder.xml
new file mode 100644
index 0000000..8a58ac3
--- /dev/null
+++ b/app/src/main/res/layout/activity_tuner_placeholder.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center"
+    android:orientation="vertical">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@android:string/cancel"
+        android:textAppearance="@android:style/TextAppearance.Large"
+        android:textColor="@android:color/holo_red_light"
+        android:textStyle="bold" />
+
+</LinearLayout>
\ No newline at end of file