diff --git a/app/src/main/java/com/lt2333/simplicitytools/SettingsActivity.kt b/app/src/main/java/com/lt2333/simplicitytools/SettingsActivity.kt
new file mode 100644
index 00000000..2319011b
--- /dev/null
+++ b/app/src/main/java/com/lt2333/simplicitytools/SettingsActivity.kt
@@ -0,0 +1,98 @@
+package com.lt2333.simplicitytools
+
+import android.annotation.SuppressLint
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+
+class SettingsActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.settings_activity)
+        if (savedInstanceState == null) {
+            supportFragmentManager
+                .beginTransaction()
+                .replace(R.id.settings, SettingsFragment())
+                .commit()
+        }
+        supportActionBar?.setDisplayHomeAsUpEnabled(false)
+        checkLSPosed()
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.main, menu)
+        return super.onCreateOptionsMenu(menu)
+    }
+
+    @SuppressLint("WorldReadableFiles")
+    private fun checkLSPosed() {
+        try {
+            getSharedPreferences("config", MODE_WORLD_READABLE)
+        } catch (exception: SecurityException) {
+            AlertDialog.Builder(this)
+                .setMessage("您似乎正在使用过时的 LSPosed 版本或 LSPosed 未激活，请更新 LSPosed 或者激活后再试。")
+                .show()
+        }
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.reboot_ui -> {
+                val commad = arrayOf("killall com.android.systemui")
+                ShellUtils.execCommand(commad, true)
+            }
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    class SettingsFragment : PreferenceFragmentCompat() {
+        override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+            preferenceManager.sharedPreferencesName = "config"
+            setPreferencesFromResource(R.xml.root_preferences, rootKey)
+            findPreference<Preference>("verison")!!.summary =
+                BuildConfig.VERSION_NAME + "(" + BuildConfig.BUILD_TYPE + ")"
+        }
+
+        override fun onPreferenceTreeClick(preference: Preference?): Boolean {
+
+            when (preference!!.key) {
+                "opensource" -> {
+                    try {
+                        val uri =
+                            Uri.parse("https://github.com/LittleTurtle2333/Simplicity_Tools_Xposed")
+                        val intent = Intent(Intent.ACTION_VIEW, uri)
+                        startActivity(intent)
+                    } catch (e: Exception) {
+                        Toast.makeText(activity, "访问失败", Toast.LENGTH_SHORT).show()
+                    }
+                }
+
+                "dev_coolapk" -> {
+                    try {
+                        startActivity(
+                            Intent(
+                                Intent.ACTION_VIEW,
+                                Uri.parse("coolmarket://u/883441")
+                            )
+                        )
+                        Toast.makeText(activity, "乌堆小透明：靓仔，点个关注吧！", Toast.LENGTH_SHORT).show()
+                    } catch (e: Exception) {
+                        Toast.makeText(activity, "本机未安装酷安应用", Toast.LENGTH_SHORT).show()
+                        val uri = Uri.parse("http://www.coolapk.com/u/883441")
+                        val intent = Intent(Intent.ACTION_VIEW, uri)
+                        startActivity(intent)
+                    }
+                }
+            }
+            return super.onPreferenceTreeClick(preference)
+        }
+    }
+}
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