diff --git a/04-ComputerGraphics/Directx12/DirectX12学习笔记（2）——Direct3D初始化.md b/04-ComputerGraphics/Directx12/DirectX12学习笔记（2）——Direct3D初始化.md
index bdef171..bdf4213 100644
--- a/04-ComputerGraphics/Directx12/DirectX12学习笔记（2）——Direct3D初始化.md
+++ b/04-ComputerGraphics/Directx12/DirectX12学习笔记（2）——Direct3D初始化.md
@@ -44,4 +44,23 @@ typedef struct DXGI_SAMPLE_DESC
 - DXGI_MODE_SCALING：缩放方式。
 
 # 功能支持检测
-使用
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+使用ID3D12Device::CheckFeatureSupport()检查功能支持情况。
+- D3D12_FEATURE
+	- D3D12_FEATURE_D3D12_OPTIONS
+	- D3D12_FEATURE_ARCHITECHTURE
+	- D3D12_FEATURE_FEATURE_LEVELS
+	- D3D12_FEATURE_FORMAT_SUPPORT
+	- D3D12_FEATURE_MULTISAMPLE_QUALITY_LEVELS
+
+# CPU与GPU间的交互
+## 命令队列
+DX12的命令队列被抽象为ID3D12CommandQueue。使用ID3D12Device::CreateCommandQueue()来创建。
+```c++
+Microsoft::WRL::ComPtr<ID3D12Debug> mCommandQueue;
+D3D12_COMMAND_QUEUE_DESC queueDesc={};
+queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
+queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
+ThrowIfFailed(md3Device->CreateCommandQueue(&queueDesc,IID_PPV_ARGS(&mCommandQueue)));
+```
+
+IID_PPV_ARGS
\ No newline at end of file