diff --git a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
index f13b07a..2124065 100644
--- a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
+++ b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
@@ -192,7 +192,7 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
     }
     
     /**
-     * � 清空ImageReader中所有已acquired的Image，释放缓冲区槽位
+     * 清空ImageReader中所有已acquired的Image，释放缓冲区槽位
      * 当acquireLatestImage抛出maxImages异常时调用
      */
     private fun drainImageReader() {
@@ -450,6 +450,21 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
             
             while (isCapturing) {
                 try {
+                    // Surface有效性检测：BufferQueue被系统abandoned后立即回退
+                    // 防止acquireLatestImage()持续返回null触发无限重建循环
+                    val currentSurface = imageReader?.surface
+                    if (currentSurface == null || !currentSurface.isValid) {
+                        Log.w(TAG, "ImageReader Surface已失效(null=${currentSurface == null}, isValid=${currentSurface?.isValid}), 停止采集并回退到无障碍截图")
+                        cleanupVirtualDisplayOnly()
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                            enableAccessibilityScreenshotMode()
+                            startAccessibilityScreenCapture()
+                        } else {
+                            startFallbackCapture()
+                        }
+                        return@launch
+                    }
+                    
                     // 安全获取Image，防止maxImages溢出
                     val image = try {
                         imageReader?.acquireLatestImage()
@@ -563,8 +578,11 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
                             setupMediaProjectionResources()
                             consecutiveFailures = 0
                             
-                            if (virtualDisplay == null) {
-                                Log.w(TAG, "VirtualDisplay 重建失败，回退到无障碍截图")
+                            // 重建后验证VirtualDisplay和Surface有效性
+                            val rebuiltSurface = imageReader?.surface
+                            if (virtualDisplay == null || rebuiltSurface == null || !rebuiltSurface.isValid) {
+                                Log.w(TAG, "VirtualDisplay 重建后无效(vd=${virtualDisplay != null}, surface=${rebuiltSurface != null}, valid=${rebuiltSurface?.isValid}), 回退到无障碍截图")
+                                cleanupVirtualDisplayOnly()
                                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
                                     enableAccessibilityScreenshotMode()
                                     startAccessibilityScreenCapture()
@@ -1222,6 +1240,17 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
             if (virtualDisplay != null) {
                 Log.i(TAG, "VirtualDisplay创建成功")
                 
+                // 验证Surface有效性，防止BufferQueue已被abandoned
+                val createdSurface = imageReader?.surface
+                if (createdSurface == null || !createdSurface.isValid) {
+                    Log.e(TAG, "VirtualDisplay创建后Surface无效(null=${createdSurface == null}, isValid=${createdSurface?.isValid}), 清理资源")
+                    virtualDisplay?.release()
+                    virtualDisplay = null
+                    imageReader?.close()
+                    imageReader = null
+                    return
+                }
+                
                 // Android 15：VirtualDisplay创建成功后触发权限申请处理
                 if (Build.VERSION.SDK_INT >= 35) {
                     Log.i(TAG, "Android 15：VirtualDisplay创建成功，触发权限申请处理")
@@ -2462,6 +2491,18 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
                 if (virtualDisplay != null) {
                     Log.i(TAG, "Android 15 VirtualDisplay完全重新创建成功")
                     
+                    // 验证Surface有效性
+                    val rebuiltSurface = imageReader?.surface
+                    if (rebuiltSurface == null || !rebuiltSurface.isValid) {
+                        Log.e(TAG, "Android 15 VirtualDisplay重建后Surface无效, 放弃")
+                        virtualDisplay?.release()
+                        virtualDisplay = null
+                        imageReader?.close()
+                        imageReader = null
+                        isVirtualDisplayRecreating = false
+                        return false
+                    }
+                    
                     // Android 15：VirtualDisplay重新创建成功后触发权限申请处理
                     Log.i(TAG, "Android 15：VirtualDisplay重新创建成功，触发权限申请处理")
                     triggerAndroid15PermissionRequest("重新初始化VirtualDisplay")