diff --git a/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/MainActivity.kt b/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/MainActivity.kt
index d0faabd8..aee9068b 100644
--- a/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/MainActivity.kt
+++ b/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/MainActivity.kt
@@ -48,7 +48,7 @@ class MainActivity : ModuleAppCompatActivity() {
         super.onCreate(savedInstanceState)
         ActivityMainBinding.inflate(layoutInflater).apply {
             setContentView(root)
-            moduleEnvironment(isShowWarn = false) {
+            moduleEnvironment {
                 dataChannel(packageName = "com.highcapable.yukihookapi.demo_app").with {
                     wait(DataConst.TEST_CN_DATA) {
                         Toast.makeText(applicationContext, it, Toast.LENGTH_SHORT).show()
@@ -70,6 +70,10 @@ class MainActivity : ModuleAppCompatActivity() {
             moduleDemoResHookText.text = "Support Resources Hook：${YukiHookAPI.Status.isSupportResourcesHook}"
             moduleDemoResHookZhText.text = "资源钩子支持状态"
             moduleDemoEditText.also {
+                hostEnvironment {
+                    it.isEnabled = false
+                    moduleDemoButton.isEnabled = false
+                }
                 it.setText(modulePrefs.get(DataConst.TEST_KV_DATA))
                 moduleDemoButton.setOnClickListener { _ ->
                     moduleEnvironment {
@@ -80,21 +84,23 @@ class MainActivity : ModuleAppCompatActivity() {
                     }
                 }
             }
-            moduleDemoFrgButton.setOnClickListener {
-                moduleEnvironment { startActivity(Intent(this@MainActivity, PreferenceActivity::class.java)) }
-            }
+            moduleDemoFrgButton.setOnClickListener { startActivity(Intent(this@MainActivity, PreferenceActivity::class.java)) }
         }
     }
 
     /**
-     * 仅在模块环境执行
-     * @param isShowWarn 是否显示警告 - 默认是
+     * 仅在 (Xposed) 宿主环境执行
      * @param callback 在模块环境执行
      */
-    private inline fun moduleEnvironment(isShowWarn: Boolean = true, callback: () -> Unit) {
-        if (YukiHookAPI.Status.isXposedEnvironment)
-            (if (isShowWarn)
-                Toast.makeText(applicationContext, "This operation is not allowed in Xposed Environment", Toast.LENGTH_SHORT).show())
-        else callback()
+    private inline fun hostEnvironment(callback: () -> Unit) {
+        if (YukiHookAPI.Status.isXposedEnvironment) callback()
+    }
+
+    /**
+     * 仅在模块环境执行
+     * @param callback 在模块环境执行
+     */
+    private inline fun moduleEnvironment(callback: () -> Unit) {
+        if (YukiHookAPI.Status.isXposedEnvironment.not()) callback()
     }
 }
\ No newline at end of file
diff --git a/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/PreferenceActivity.kt b/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/PreferenceActivity.kt
index 9e779322..3106f8db 100644
--- a/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/PreferenceActivity.kt
+++ b/demo-module/src/main/java/com/highcapable/yukihookapi/demo_module/ui/PreferenceActivity.kt
@@ -28,11 +28,15 @@
 package com.highcapable.yukihookapi.demo_module.ui
 
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.SwitchPreference
+import com.highcapable.yukihookapi.YukiHookAPI
 import com.highcapable.yukihookapi.demo_module.R
+import com.highcapable.yukihookapi.hook.xposed.parasitic.activity.base.ModuleAppCompatActivity
 import com.highcapable.yukihookapi.hook.xposed.prefs.ui.ModulePreferenceFragment
 
-class PreferenceActivity : AppCompatActivity() {
+class PreferenceActivity : ModuleAppCompatActivity() {
+
+    override val moduleTheme get() = R.style.Theme_Default
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -47,13 +51,14 @@ class PreferenceActivity : AppCompatActivity() {
 
     override fun onSupportNavigateUp(): Boolean {
         onBackPressed()
-        return super.onSupportNavigateUp()
+        return true
     }
 
     class SettingsFragment : ModulePreferenceFragment() {
 
         override fun onCreatePreferencesInModuleApp(savedInstanceState: Bundle?, rootKey: String?) {
             setPreferencesFromResource(R.xml.settings_preferences, rootKey)
+            findPreference<SwitchPreference>("show_dialog_when_demo_app_opend")?.isEnabled = YukiHookAPI.Status.isXposedEnvironment.not()
         }
     }
 }
\ No newline at end of file