diff --git a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
index e4aaeb1..fc01b89 100644
--- a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
+++ b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
@@ -399,6 +399,7 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
             
             var consecutiveFailures = 0
             virtualDisplayRebuildCount = 0 // 重置重建计数
+            bufferQueueAbandoned = false // 重置abandoned标志，确保采集循环正常启动
             
             // ✅ 最小有效帧大小阈值：正常480×854 JPEG即使最低质量也>5KB
             // 低于此值的帧几乎肯定是黑屏/空白帧（VirtualDisplay未刷新）
@@ -2260,19 +2261,12 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
      */
     private fun cleanupVirtualDisplayOnly() {
         try {
-            // ✅ 先切断VirtualDisplay与Surface的连接，阻止生产者继续dequeueBuffer
-            // 这是解决 "BufferQueue has been abandoned" 持续报错的关键
-            try {
-                virtualDisplay?.surface = null
-            } catch (e: Exception) {
-                Log.w(TAG, "⚠️ 切断VirtualDisplay Surface连接失败: ${e.message}")
-            }
-            
-            // 释放VirtualDisplay
+            // 释放VirtualDisplay（停止生产者向Surface写帧）
+            // 注意：不使用setSurface(null)，某些设备上会导致MediaProjection session失效
             virtualDisplay?.release()
             virtualDisplay = null
             
-            // 关闭ImageReader（Surface随之销毁）
+            // 紧接着关闭ImageReader（销毁Surface，生产者自然停止dequeueBuffer）
             imageReader?.close()
             imageReader = null