diff --git a/QtScrcpy/decoder/decoder.cpp b/QtScrcpy/decoder/decoder.cpp
index 46976aa..eaf76e0 100644
--- a/QtScrcpy/decoder/decoder.cpp
+++ b/QtScrcpy/decoder/decoder.cpp
@@ -118,8 +118,9 @@ void Decoder::pushFrame()
     if (!m_vb) {
         return;
     }
-    bool previousFrameConsumed = m_vb->offerDecodedFrame();
-    if (!previousFrameConsumed) {
+    bool previousFrameSkipped = true;
+    m_vb->offerDecodedFrame(previousFrameSkipped);
+    if (previousFrameSkipped) {
         // the previous newFrame will consume this frame
         return;
     }    
diff --git a/QtScrcpy/decoder/videobuffer.cpp b/QtScrcpy/decoder/videobuffer.cpp
index 05af238..23fb0bf 100644
--- a/QtScrcpy/decoder/videobuffer.cpp
+++ b/QtScrcpy/decoder/videobuffer.cpp
@@ -67,7 +67,7 @@ AVFrame *VideoBuffer::decodingFrame()
     return m_decodingFrame;
 }
 
-bool VideoBuffer::offerDecodedFrame()
+void VideoBuffer::offerDecodedFrame(bool& previousFrameSkipped)
 {
     m_mutex.lock();
 
@@ -84,10 +84,9 @@ bool VideoBuffer::offerDecodedFrame()
 #endif
 
     swap();
-    bool previousFrameConsumed = m_renderingFrameConsumed;
+    previousFrameSkipped = !m_renderingFrameConsumed;
     m_renderingFrameConsumed = false;
-    m_mutex.unlock();
-    return previousFrameConsumed;
+    m_mutex.unlock();    
 }
 
 const AVFrame *VideoBuffer::consumeRenderedFrame()
diff --git a/QtScrcpy/decoder/videobuffer.h b/QtScrcpy/decoder/videobuffer.h
index 8c0e9af..52264ec 100644
--- a/QtScrcpy/decoder/videobuffer.h
+++ b/QtScrcpy/decoder/videobuffer.h
@@ -24,7 +24,7 @@ public:
     // set the decoder frame as ready for rendering
     // this function locks m_mutex during its execution
     // returns true if the previous frame had been consumed
-    bool offerDecodedFrame();
+    void offerDecodedFrame(bool& previousFrameSkipped);
 
     // mark the rendering frame as consumed and return it
     // MUST be called with m_mutex locked!!!
diff --git a/TODO.txt b/TODO.txt
index 3ef7133..dcbd103 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -3,14 +3,15 @@ linux
 Mac游戏时向右移动不流畅问题。
 工具栏扩展（模拟点击指定次数等）
 
-模拟点击改用手指(注意：辅助按键就都没了)
 中文输入（server需要改为apk，作为一个输入法，暂不实现）
 
 最后更新scrcpy 7764a836f1ee02a4540cfc4118c20729018daaac
 
-TODO b35733edb6df2a00b6af9b1c98627d344c377963 鼠标事件相关系列
+b35733edb6df2a00b6af9b1c98627d344c377963 鼠标事件相关系列
+
+只录制不启动窗口（先重构，目前启动流程在videoform里）
+
 
-video window always_on_top options
 mark:
 
 ffmpeg编译参数详解