diff --git a/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java b/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
index 6d3a414..07e0de2 100644
--- a/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
+++ b/app/src/main/java/com/example/kingway/ptt/CallBackResolution.java
@@ -44,8 +44,12 @@ public class CallBackResolution {
     }
 
     public static void resetPttLoginStatus() {
+        loginState = false;
         pttLoginStatus = "00";
         pttLoginId = "";
+        indexGroupId ="";
+        indexGroupName = "";
+        keepAliveExecutor.shutdownNow();
     }
 
     public static String getCurrentGroupId() {
diff --git a/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java b/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
index 3df81fc..51422ff 100644
--- a/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
+++ b/app/src/main/java/com/example/kingway/ptt/SendAtUtil.java
@@ -30,6 +30,7 @@ public class SendAtUtil {
      */
     public static void toCancelLogin() {
         send("050000\r\n");
+        send("05000000\r\n");
     }
 
     /**
@@ -37,6 +38,7 @@ public class SendAtUtil {
      */
     public static void toLogout() {
         send("040000\r\n");
+        send("04000000\r\n");
     }
 
     /**
diff --git a/app/src/main/java/com/stand/standapp/AndroidInterface.kt b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
index fa9a1c6..e16eac3 100644
--- a/app/src/main/java/com/stand/standapp/AndroidInterface.kt
+++ b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
@@ -86,6 +86,7 @@ class AndroidInterface(private val activity: MainActivity) {
                 "showJsonDialog" -> { showJsonDialog(args.optString(0, "")); "" }
                 "getTempCallStatus" -> getTempCallStatus()
                 "maximizeTempCall" -> { maximizeTempCall(); "" }
+                "logout" -> { logout(); "" }
                 else -> {
                     Timber.tag("Bridge").w("Unknown method: $method")
                     ""
@@ -502,4 +503,8 @@ class AndroidInterface(private val activity: MainActivity) {
             }
         }
     }
+
+    fun logout() {
+        activity.logout()
+    }
 }
diff --git a/app/src/main/java/com/stand/standapp/MainActivity.kt b/app/src/main/java/com/stand/standapp/MainActivity.kt
index 7bb82a8..156e785 100644
--- a/app/src/main/java/com/stand/standapp/MainActivity.kt
+++ b/app/src/main/java/com/stand/standapp/MainActivity.kt
@@ -5,6 +5,7 @@ import android.os.Bundle
 import android.view.KeyEvent
 import androidx.appcompat.app.AppCompatActivity
 import android.widget.FrameLayout
+import com.example.kingway.ptt.CallBackResolution
 import org.mozilla.geckoview.GeckoResult
 import org.mozilla.geckoview.GeckoRuntime
 import org.mozilla.geckoview.GeckoSession
@@ -419,45 +420,78 @@ class MainActivity : AppCompatActivity() {
             .show()
     }
 
-    private fun pttLogoutAndDestroy() {
-        try {
-            com.example.kingway.ptt.SendAtUtil.toCancelLogin()
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT cancel failed")
-        }
-        try {
-            com.example.kingway.ptt.SendAtUtil.toLogout()
-            Timber.tag("LoginActivity").i("PTT logout sent")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT logout failed")
-        }
-        try {
-            com.stand.standapp.utils.GpioManager.stopListening()
-        } catch (e: Exception) {
-            Timber.tag("MainActivity").e(e, "GPIO stop failed")
-        }
-        try {
-            com.stand.standapp.utils.GpioManager.stopListening()
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "GPIO stop failed")
-        }
-        try {
-//            com.example.kingway.ptt.MyApplication.destroy()
-            Timber.tag("LoginActivity").i("PTT native destroyed")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "PTT destroy failed")
-        }
-        try {
-//            PrinterManager.shutdown()
-            Timber.tag("LoginActivity").i("Printer shut down")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "Printer shutdown failed")
-        }
-        try {
-            com.stand.standapp.utils.LogManager.shutdown()
-            Timber.tag("LoginActivity").i("LogManager shut down")
-        } catch (e: Exception) {
-            Timber.tag("LoginActivity").e(e, "LogManager shutdown failed")
+    fun logout() {
+        runOnUiThread {
+            Timber.tag("MainActivity").i("用户注销，清理程序")
+            
+            // 1. PTT Logout and cancel login
+            try {
+                com.example.kingway.ptt.SendAtUtil.toCancelLogin()
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "PTT cancel failed")
+            }
+            try {
+                com.example.kingway.ptt.SendAtUtil.toLogout()
+                Timber.tag("MainActivity").i("PTT logout sent")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "PTT logout failed")
+            }
+
+            // 2. Stop GPIO listening
+            try {
+                com.stand.standapp.utils.GpioManager.stopListening()
+                Timber.tag("MainActivity").i("GPIO stop listening")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "GPIO stop failed")
+            }
+
+            // 3. Destroy/release AudioTrack in PTT Native
+            try {
+                com.stand.standapp.MyApplication.pNative?.destory()
+                com.stand.standapp.MyApplication.pNative = null
+                Timber.tag("MainActivity").i("PTT native AudioTrack destroyed")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "PTT native destroy failed")
+            }
+
+            // 4. Stop and destroy AudioRecord
+            try {
+                com.example.kingway.ptt.AudioRecordManager.getInstance().destroyAudio()
+                Timber.tag("MainActivity").i("AudioRecordManager destroyed")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "AudioRecordManager destroy failed")
+            }
+
+            // 5. Close printer connection
+            try {
+                com.stand.standapp.printer.PrinterManager.getFactory()?.ClosePort()
+                Timber.tag("MainActivity").i("Printer port closed")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "Printer close failed")
+            }
+
+            // 6. Clear Access Token
+            try {
+                AppConfig.setAccessToken(this, "")
+                Timber.tag("MainActivity").i("Cleared access token")
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "Failed to clear access token")
+            }
+
+            // 7. Redirect back to LoginActivity and clear task stack
+            try {
+                val intent = Intent(this, LoginActivity::class.java)
+                intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+                startActivity(intent)
+                finish()
+            } catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "Failed to redirect to LoginActivity")
+            }
+            try {
+                CallBackResolution.resetPttLoginStatus();
+            }catch (e: Exception) {
+                Timber.tag("MainActivity").e(e, "Failed to clear public value")
+            }
         }
     }