diff --git a/app/src/main/assets/print_demo.html b/app/src/main/assets/print_demo.html
index faafd8f..5715473 100644
--- a/app/src/main/assets/print_demo.html
+++ b/app/src/main/assets/print_demo.html
@@ -185,6 +185,7 @@
             <button class="btn ptt-btn ptt-action-btn" style="background: #8b5cf6;" onclick="pttGetMembers()" disabled>获取成员</button>
             <button class="btn ptt-btn ptt-action-btn" style="background: #3b82f6;" onclick="pttJumpGroup()" disabled>切换群组</button>
             <button class="btn ptt-btn ptt-action-btn btn-orange" onclick="pttForceRelease()" disabled>强制释放</button>
+            <button class="btn ptt-btn ptt-action-btn" style="background: #000; color: #fca5a5;" onclick="pttSimulateConflict()" disabled>模拟冲突</button>
         </div>
 
         <div id="ptt-result" class="log-container" style="background: #0f172a; margin-top: 10px; height: 120px;">
@@ -759,6 +760,13 @@
             showPttResult("执行强制释放");
         }
     }
+
+    function pttSimulateConflict() {
+        if (window.android && window.android.simulatePttConflict) {
+            window.android.simulatePttConflict();
+            showPttResult("已触发模拟账号冲突");
+        }
+    }
 </script>
 </body>
 </html>
diff --git a/app/src/main/java/com/stand/standapp/AndroidInterface.kt b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
index 9b703dd..94efba3 100644
--- a/app/src/main/java/com/stand/standapp/AndroidInterface.kt
+++ b/app/src/main/java/com/stand/standapp/AndroidInterface.kt
@@ -91,6 +91,16 @@ class AndroidInterface(private val activity: MainActivity) {
         SendAtUtil.getGroupMemberInfo(gid)
     }
 
+    /**
+     * 模拟 PTT 账号冲突 (测试用)
+     */
+    @JavascriptInterface
+    fun simulatePttConflict() {
+        Handler(Looper.getMainLooper()).post {
+            MainActivity.showPttConflictDialog()
+        }
+    }
+
     /**
      * PTT 切换群组
      */
diff --git a/app/src/main/java/com/stand/standapp/MainActivity.kt b/app/src/main/java/com/stand/standapp/MainActivity.kt
index 8259e4a..ca3dd5b 100644
--- a/app/src/main/java/com/stand/standapp/MainActivity.kt
+++ b/app/src/main/java/com/stand/standapp/MainActivity.kt
@@ -1,5 +1,6 @@
 package com.stand.standapp
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.KeyEvent
 import android.view.ViewGroup
@@ -58,6 +59,25 @@ class MainActivity : AppCompatActivity() {
                 executeJs("onHardwarePttUp")
             }
         }
+
+        @JvmStatic
+        fun showPttConflictDialog() {
+            instance?.runOnUiThread {
+                val ctx = instance ?: return@runOnUiThread
+                androidx.appcompat.app.AlertDialog.Builder(ctx)
+                    .setTitle("账号冲突")
+                    .setMessage("您的 PTT 账号已在其他设备登录，当前设备已被迫下线。\n请点击确认退出并重新登录。")
+                    .setCancelable(false)
+                    .setPositiveButton("确认") { _, _ ->
+                        val pm = ctx.packageManager
+                        val intent = pm.getLaunchIntentForPackage(ctx.packageName)
+                        intent?.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK)
+                        ctx.startActivity(intent)
+                        android.os.Process.killProcess(android.os.Process.myPid())
+                    }
+                    .show()
+            }
+        }
     }
 
     private var mAgentWeb: AgentWeb? = null