diff --git a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
index 2fbb0ee..91ead9f 100644
--- a/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
+++ b/app/src/main/java/com/hikoncont/manager/ScreenCaptureManager.kt
@@ -1651,7 +1651,7 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
     }
     
     /**
-     * 智能压缩Bitmap为JPEG - 动态调整质量以平衡画质和传输效率
+     * 压缩Bitmap为JPEG - 单次压缩，避免多次重试浪费CPU降低帧率
      */
     private fun compressBitmap(bitmap: Bitmap): ByteArray {
         val outputStream = ByteArrayOutputStream()
@@ -1660,38 +1660,17 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
             // 计算缩放比例，确保不超过最大尺寸
             val scaledBitmap = scaleDownBitmap(bitmap)
             
-            // 智能压缩：根据数据大小动态调整质量
-            var quality = dynamicQuality
-            var compressedData: ByteArray
-            var attempts = 0
-            val maxAttempts = 3
-            val targetSize = 150 * 1024 // 目标150KB，平衡质量和传输效率
-            
-            do {
-                outputStream.reset()
-                scaledBitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream)
-                compressedData = outputStream.toByteArray()
-                attempts++
-                
-                if (compressedData.size > targetSize && attempts < maxAttempts) {
-                    // 数据过大，降低质量重新压缩
-                    quality = maxOf(25, quality - 15) // 最低不低于25
-                    Log.v(TAG, "数据过大(${compressedData.size} bytes)，降低质量到$quality 重新压缩")
-                } else {
-                    break
-                }
-            } while (attempts < maxAttempts)
+            // 单次压缩：直接使用动态质量参数，不做多次重试
+            // 多次压缩会显著降低帧率（每次重试都是完整的JPEG编码）
+            scaledBitmap.compress(Bitmap.CompressFormat.JPEG, dynamicQuality, outputStream)
             
             // 如果缩放了，释放缩放后的bitmap
             if (scaledBitmap != bitmap) {
                 scaledBitmap.recycle()
             }
             
-            Log.d(TAG, "智能压缩完成: 原始${bitmap.width}x${bitmap.height} -> 输出${compressedData.size} bytes (质量$quality, 尝试${attempts}次)")
-            
         } catch (e: Exception) {
-            Log.e(TAG, "智能压缩失败，使用基础压缩", e)
-            // 如果智能压缩失败，使用基础压缩
+            Log.e(TAG, "压缩失败，使用基础压缩", e)
             outputStream.reset()
             bitmap.compress(Bitmap.CompressFormat.JPEG, dynamicQuality, outputStream)
         }
@@ -1739,24 +1718,12 @@ class ScreenCaptureManager(private val service: AccessibilityRemoteService) {
             // 启动队列处理器（只启动一次）
             startQueueProcessor()
             
-            // 优化队列清理策略，减少画面跳跃，提供更平滑的体验
-            when {
-                screenDataQueue.size >= 13 -> { 
-                    // 队列接近满载，适度清理2帧保持流畅（避免5帧跳跃）
-                    Log.w(TAG, "队列接近满载(${screenDataQueue.size}/15)，轻度清理旧数据保持流畅")
-                    repeat(2) {
-                        screenDataQueue.poll()?.let { 
-                            droppedFrameCount++
-                        }
-                    }
-                }
-                screenDataQueue.size >= 11 -> { 
-                    // 中等负载，清理1帧防止积压
-                    Log.v(TAG, "队列中等负载(${screenDataQueue.size}/15)，清理1帧防止积压")
-                    screenDataQueue.poll()?.let { 
-                        droppedFrameCount++
-                    }
+            // 优化队列清理策略：只在队列满时丢弃最旧1帧，减少画面跳跃
+            if (screenDataQueue.remainingCapacity() == 0) {
+                screenDataQueue.poll()?.let { 
+                    droppedFrameCount++
                 }
+                Log.v(TAG, "队列已满(15/15)，丢弃最旧1帧保持流畅")
             }
             
             // 尝试添加新帧，如果满了就丢弃旧帧
diff --git a/app/src/main/java/com/hikoncont/network/SocketIOManager.kt b/app/src/main/java/com/hikoncont/network/SocketIOManager.kt
index bcbb12f..31a26c9 100644
--- a/app/src/main/java/com/hikoncont/network/SocketIOManager.kt
+++ b/app/src/main/java/com/hikoncont/network/SocketIOManager.kt
@@ -246,7 +246,7 @@ class SocketIOManager(private val service: AccessibilityRemoteService) {
     
     // Screen data send rate control
     private var lastScreenDataTime = 0L
-    private val screenDataInterval = 66L // 66ms interval, matching 15fps capture rate
+    private val screenDataInterval = 50L // 50ms interval, matching 20fps max throughput
     private val maxScreenDataSize = 2 * 1024 * 1024 // 2MB限制，避免数据过大
     
     // 📷 摄像头数据发送控制