diff --git a/engine/3rdparty/xmake.lua b/engine/3rdparty/xmake.lua
index 5edf4ca..5e19495 100644
--- a/engine/3rdparty/xmake.lua
+++ b/engine/3rdparty/xmake.lua
@@ -1,4 +1,4 @@
-add_requires("spdlog", "lemon", "libsdl", "vulkansdk","shaderc","spirv","spirv-cross")
+add_requires("spdlog", "libsdl", "vulkansdk","shaderc","spirv","spirv-cross")
 add_requires("mimalloc", {configs = {shared = true, debug = true, copy = true}})
 add_requires("imgui",{configs = {shared = true, debug = true, copy = true}})
 includes("*/xmake.lua")
\ No newline at end of file
diff --git a/engine/modules/engine/core/include/module/module.inl b/engine/modules/engine/core/include/module/module.inl
index 7f2b627..c1f8236 100644
--- a/engine/modules/engine/core/include/module/module.inl
+++ b/engine/modules/engine/core/include/module/module.inl
@@ -3,7 +3,7 @@ namespace api {
     template <typename ModuleClass>
     struct ModuleRegistrantImpl;
     struct IDynamicModule : public IModule {
-        SharedLibrary mSharedLib;
+        SharedLibrary mSharedLib{};
     };
     struct DefaultDynamicModule : public IDynamicModule {
         DefaultDynamicModule(Name name) : IDynamicModule() {};
diff --git a/engine/modules/engine/render/include/render/graph/frame_graph.h b/engine/modules/engine/render/include/render/graph/frame_graph.h
index d309e2c..6d108c6 100644
--- a/engine/modules/engine/render/include/render/graph/frame_graph.h
+++ b/engine/modules/engine/render/include/render/graph/frame_graph.h
@@ -9,11 +9,12 @@ namespace api {
 		class RenderPassBuilder;
 	public:
 		inline static Name		 NameSurface{ "surface" };
+		RenderPassNode* mFirstInputNode{ nullptr };
+		RenderPassNode* mLastOutputNode{ nullptr };
 		TextureDesc							 mSurface;
 		table<Name, TextureDesc>			 mTextureTable;
 		table<TextureDesc, ImagePtr>		 mTexturePool;
 		table<TextureViewDesc, ImageViewPtr> mTextureViewPool;
-		lemon::ListGraph					 mGraph;
 		pmr::vector<FrameGraphNodePtr>		 mNodes{FramePool()};
 	public:
 		template<typename T>
@@ -21,10 +22,12 @@ namespace api {
 		using RenderPassSetupFunction = std::function<void(FrameGraph&, RenderPassBuilder&)>;
 		FrameGraphNodePtr AddRenderPass(const RenderPassSetupFunction& setup, const RenderPassNodeExecuteFn& executor);
 		TextureBuilder CreateTextureBuild();
-		void InitSurface(const pmr::vector<TextureDesc>& surfaces);
+		void InitSurface(span<TextureDesc> surfaces);
 		void Compile();
 		void Execute(FRenderView& view);
 		void Clear();
+		void CullGraph();
+		void FillGraph();
 		ResourceState Resolve(Name name,TextureDesc& desc, ResourceState state);
 		ResourceState Resolve(Name name, AttachmentDesc& desc, ResourceState state);
 		ResourceState Resolve(Name name, BufferDesc& desc, ResourceState state);
diff --git a/engine/modules/engine/render/include/render/graph/frame_graph_builder.inl b/engine/modules/engine/render/include/render/graph/frame_graph_builder.inl
index b03dd2f..e6702ff 100644
--- a/engine/modules/engine/render/include/render/graph/frame_graph_builder.inl
+++ b/engine/modules/engine/render/include/render/graph/frame_graph_builder.inl
@@ -20,7 +20,7 @@ namespace api {
 		FrameGraphEdgePtr edge;
 	public:
 		TextureBuilder(FrameGraph* graph)noexcept : graph(*graph) { edge.Make(); };
-		FrameGraph::TextureBuilder& Import(pmr::Name name, AttachmentDesc desc, ResourceState state);
-		FrameGraphEdgePtr Edge() { return edge; }
+		FrameGraph::TextureBuilder& Import(pmr::Name name, AttachmentDesc desc);
+		FrameGraphEdgePtr Edge() const { return edge; }
 	};
 }
\ No newline at end of file
diff --git a/engine/modules/engine/render/include/render/graph/type.h b/engine/modules/engine/render/include/render/graph/type.h
index 99dc726..7c24552 100644
--- a/engine/modules/engine/render/include/render/graph/type.h
+++ b/engine/modules/engine/render/include/render/graph/type.h
@@ -1,7 +1,6 @@
 #pragma once
 #include "asset/asset.h"
 #include "render/type.h"
-#include "lemon/list_graph.h"
 #include <functional>
 namespace api {
 	struct RenderPassNode;
@@ -14,7 +13,7 @@ namespace api {
 		RenderContext* operator->() {
 			return parent;
 		}
-		size_t PassKey();
+		size_t PassKey()const;
 	};
 	struct CopyPassContext {};
 
@@ -27,12 +26,10 @@ namespace api {
 	class RenderPassNode;
 	struct FrameGraphNodePtr {
 		using NodeType = RenderPassType;
-		using GraphNodeRef = lemon::ListGraphBase::Node;
-		GraphNodeRef ref;
-		NodeType	type{ NodeType::Render };
 		RenderPassNode* node;
+		NodeType	type{ NodeType::Render };
 		FrameGraphNodePtr() : node(nullptr){};
-		FrameGraphNodePtr(GraphNodeRef ref, const RenderPassNodeExecuteFn& executor, NodeType type = NodeType::Render);
+		FrameGraphNodePtr(const RenderPassNodeExecuteFn& executor, NodeType type = NodeType::Render);
 		operator bool() const {
 			return node;
 		}
@@ -50,13 +47,13 @@ namespace api {
 		T& CastTo() {
 			return std::get<T>(resource);
 		}
-		bool IsAttachment() {
+		bool IsAttachment() const {
 			return std::holds_alternative<AttachmentDesc>(resource);
 		}
-		bool IsTexture() {
+		bool IsTexture() const{
 			return std::holds_alternative<TextureDesc>(resource);
 		}
-		bool IsBuffer() {
+		bool IsBuffer() const {
 			return std::holds_alternative<BufferDesc>(resource);
 		}
 	};
@@ -72,6 +69,9 @@ namespace api {
 			resource = new (FramePool()) FrameResource();
 			return resource;
 		}
+		RenderPassNode* SourceNode()const {
+			return resource->source.node;
+		}
 		operator bool() const{
 			return resource;
 		}
@@ -88,26 +88,30 @@ namespace api {
 	enum class RenderPassNodeFlag : uint16_t
 	{
 		None = 0,
-		Input = 0x01,
-		Output = 0x02,
+		Output = 0x01,
+		FirstInput = 0x02,
+		LastOutput = 0x04,
 	};
 	using RenderPassEdgeIterFn = std::function<void(FrameResource*, FrameGraphEdgePtr)>;
 	struct RenderPassNode {
 		Name	name;
-		size_t  hash;
-		RenderPassNodeType type;
-		RenderPassNodeFlag flag;
+		size_t  hash{0};
+		RenderPassNodeType type{0};
+		RenderPassNodeFlag flag{0};
+		bool     isActive{ false };
 		RenderPassNodeExecuteFn executor;
+		pmr::vector<RenderPassNode*>   dependencies{ FramePool() };
 		pmr::vector<FrameGraphEdgePtr> inEdges{ FramePool() };
 		pmr::vector<FrameGraphEdgePtr> outEdges{ FramePool() };
 		void ForeachEdge(RenderPassEdgeIterFn fn);
-		bool IsInput() { return any(flag & RenderPassNodeFlag::Input); }
 		bool IsOutput() { return any(flag & RenderPassNodeFlag::Output); }
+		bool IsFirstInput() { return any(flag & RenderPassNodeFlag::FirstInput); }
+		bool IsLastOutput() { return any(flag & RenderPassNodeFlag::LastOutput); }
 		FrameGraphEdgePtr GetInput(int i) { return inEdges[i]; };
 		FrameGraphEdgePtr GetOutput(int i) { return outEdges[i]; };
 		FrameGraphEdgePtr FindInput(Name name)
 		{
-			for (auto edge : inEdges) {
+			for (auto& edge : inEdges) {
 				if (edge.resource->name == name) {
 					return edge;
 				}
@@ -116,7 +120,7 @@ namespace api {
 		}
 		FrameGraphEdgePtr FindOutput(Name name)
 		{
-			for (auto edge : outEdges) {
+			for (auto& edge : outEdges) {
 				if (edge.resource->name == name) {
 					return edge;
 				}
@@ -124,13 +128,13 @@ namespace api {
 			return {};
 		}
 	};
-	inline FrameGraphNodePtr::FrameGraphNodePtr(GraphNodeRef ref, const RenderPassNodeExecuteFn& executor, NodeType type)
-		: ref(ref), type(type)
+	inline FrameGraphNodePtr::FrameGraphNodePtr(const RenderPassNodeExecuteFn& executor, NodeType type)
+		: type(type)
 	{
 		node = new (FramePool()) RenderPassNode();
 		node->executor = executor;
 	}
-	inline size_t RenderPassContext::PassKey()
+	inline size_t RenderPassContext::PassKey()const
 	{
 		return node->hash;
 	}
diff --git a/engine/modules/engine/render/include/render/type.h b/engine/modules/engine/render/include/render/type.h
index 38a0c1f..83ccb71 100644
--- a/engine/modules/engine/render/include/render/type.h
+++ b/engine/modules/engine/render/include/render/type.h
@@ -126,7 +126,7 @@ namespace api {
         operator bool() {
             return pResource;
         }
-        MaterialResource* FindMaterialResource(Name name) {
+        MaterialResource* FindMaterialResource(Name name) const {
             for (uint32_t i = 0; i < count; i++) {
                 MaterialResource* res = (pResource + i);
                 if (res->name == name) {
@@ -135,7 +135,7 @@ namespace api {
             }
             return nullptr;
         }
-        void Upload(void** ppMappingAddr) {
+        void Upload(void** ppMappingAddr) const {
             for (uint32_t i = 0; i < count; i++) {
                 auto res = pResource[i];
                 if (res.isDirty || res.isUnique) {
@@ -186,7 +186,7 @@ namespace api {
         static BufferDesc Make() {
             return {};
         }
-        BufferBarrier ToBarrier(ResourceState from, ResourceState to);
+        BufferBarrier ToBarrier(ResourceState from, ResourceState to)const;
     };
     struct TextureViewDesc {
         ImagePtr         image;
@@ -219,7 +219,7 @@ namespace api {
             desc.dimension = dimension;
             return desc;
         }
-        TextureBarrier ToBarrier(ResourceState from, ResourceState to);
+        TextureBarrier ToBarrier(ResourceState from, ResourceState to)const;
 	};
 	struct AttachmentDesc {
         ImagePtr        image;
@@ -233,6 +233,9 @@ namespace api {
             width  = desc.width;
             height = desc.height;
             image  = desc.image;
+            sampleCount = desc.sampleCount;
+            colorFormat = desc.format;
+            dimension = desc.dimension;
             return *this;
         }
         TextureDesc ToTexture() const {
@@ -253,7 +256,7 @@ namespace api {
             desc.dimension = dimension;
             return desc;
         }
-        TextureBarrier ToBarrier(ResourceState from, ResourceState to);
+        TextureBarrier ToBarrier(ResourceState from, ResourceState to)const;
 	};
     struct TextureBarrier
     {
@@ -286,29 +289,52 @@ namespace api {
         const TextureBarrier* pTextureBarriers;
         uint32_t              textureBarriersCount;
     };
-    inline BufferBarrier BufferDesc::ToBarrier(ResourceState from, ResourceState to)
+    inline BufferBarrier BufferDesc::ToBarrier(ResourceState from, ResourceState to)const
     {
-        BufferBarrier barrier;
+        BufferBarrier barrier{};
         barrier.mSrcState = from;
         barrier.mDstState = to;
         return barrier;
     }
-    inline TextureBarrier TextureDesc::ToBarrier(ResourceState from, ResourceState to)
+    inline TextureBarrier TextureDesc::ToBarrier(ResourceState from, ResourceState to)const
     {
-        TextureBarrier barrier;
+        TextureBarrier barrier{};
         barrier.mSrcState = from;
         barrier.mDstState = to;
         barrier.mTexture = *this;
         return barrier;
     }
-    inline TextureBarrier AttachmentDesc::ToBarrier(ResourceState from, ResourceState to)
+    inline TextureBarrier AttachmentDesc::ToBarrier(ResourceState from, ResourceState to)const
     {
-        TextureBarrier barrier;
+        TextureBarrier barrier{};
         barrier.mSrcState = from;
         barrier.mDstState = to;
         barrier.mTexture = ToTexture();
         return barrier;
     }
+    inline bool operator==(const TextureViewDesc& k1, const TextureViewDesc& k2) {
+        if (k1.image != k2.image) return false;
+        if (k1.format != k2.format) return false;
+        if (k1.dimension != k2.dimension) return false;
+        if (k1.baseArrayLayer != k2.baseArrayLayer) return false;
+        if (k1.layerCount != k2.layerCount) return false;
+        if (k1.baseMipLevel != k2.baseMipLevel) return false;
+        if (k1.levelCount != k2.levelCount) return false;
+        return true;
+    }
+    inline bool operator==(const TextureDesc& k1, const TextureDesc& k2) {
+        if (k1.image != k2.image) return false;
+        if (k1.format != k2.format) return false;
+        if (k1.dimension != k2.dimension) return false;
+        if (k1.state != k2.state) return false;
+        if (k1.width != k2.width) return false;
+        if (k1.height != k2.height) return false;
+        if (k1.arraySize != k2.arraySize) return false;
+        if (k1.mipLevel != k2.mipLevel) return false;
+        if (k1.sampleCount != k2.sampleCount) return false;
+        if (k1.depth != k2.depth) return false;
+        return true;
+    }
 }
 #include "meta/hash.h"
 namespace std {
diff --git a/engine/modules/engine/render/src/graph/frame_graph.cpp b/engine/modules/engine/render/src/graph/frame_graph.cpp
index ae17347..c6fdd7b 100644
--- a/engine/modules/engine/render/src/graph/frame_graph.cpp
+++ b/engine/modules/engine/render/src/graph/frame_graph.cpp
@@ -1,32 +1,12 @@
 #include "render/graph/frame_graph.h"
 #include "render/renderapi.h"
+#include <stack>
+#include <unordered_set>
+#include <algorithm>
 namespace api {
-	inline bool operator==(const TextureViewDesc& k1, const TextureViewDesc& k2) {
-		if (k1.image != k2.image) return false;
-		if (k1.format != k2.format) return false;
-		if (k1.dimension != k2.dimension) return false;
-		if (k1.baseArrayLayer != k2.baseArrayLayer) return false;
-		if (k1.layerCount != k2.layerCount) return false;
-		if (k1.baseMipLevel != k2.baseMipLevel) return false;
-		if (k1.levelCount != k2.levelCount) return false;
-		return true;
-	}
-	inline bool operator==(const TextureDesc& k1, const TextureDesc& k2) {
-		if (k1.image != k2.image) return false;
-		if (k1.format != k2.format) return false;
-		if (k1.dimension != k2.dimension) return false;
-		if (k1.state != k2.state) return false;
-		if (k1.width != k2.width) return false;
-		if (k1.height != k2.height) return false;
-		if (k1.arraySize != k2.arraySize) return false;
-		if (k1.mipLevel != k2.mipLevel) return false;
-		if (k1.sampleCount != k2.sampleCount) return false;
-		if (k1.depth != k2.depth) return false;
-		return true;
-	}
 	FrameGraphNodePtr FrameGraph::AddRenderPass(const RenderPassSetupFunction& setup, const RenderPassNodeExecuteFn& executor)
 	{
-		FrameGraphNodePtr node_ptr{ mGraph.addNode(), executor };
+		FrameGraphNodePtr node_ptr{executor };
 		RenderPassBuilder builder{ this,  node_ptr };
 		setup(*this, builder);
 		mNodes.push_back(node_ptr);
@@ -36,7 +16,7 @@ namespace api {
 	{
 		return TextureBuilder{this};
 	}
-	void FrameGraph::InitSurface(const pmr::vector<TextureDesc>& surfaces)
+	void FrameGraph::InitSurface(span<TextureDesc> surfaces)
 	{
 		mSurface = surfaces[0];
 		RenderAPI* API = RenderAPI::Ptr();
@@ -48,18 +28,79 @@ namespace api {
 	}
 	void FrameGraph::Compile()
 	{
-		auto end = std::remove_if(mNodes.begin(), mNodes.end(), [this](FrameGraphNodePtr& node) {
-			int degree = 0;
-			for (lemon::ListGraph::IncEdgeIt e(mGraph, node.ref); e != lemon::INVALID; ++e) {
-				++degree;
+		CullGraph();
+		FillGraph();
+	}
+	void FrameGraph::CullGraph()
+	{
+		pmr::vector<RenderPassNode*> outputNodes{FramePool()};
+		std::stack<RenderPassNode*> stack;
+		for (auto& node : mNodes) {
+			if (node->IsOutput()) {
+				stack.push(node.node);
+				outputNodes.push_back(node.node);
+				if ((!mLastOutputNode || node->type > mLastOutputNode->type)) {
+					mLastOutputNode = node.node;
+				}
 			}
-			return !degree;
+		}
+		while (!stack.empty()) {
+			RenderPassNode* node = stack.top();
+			stack.pop();
+			if (node->isActive) {
+				continue;
+			}
+			node->isActive = true;
+			bool isInput = node->IsOutput();
+			for (auto& edge : node->inEdges) {
+				if (!edge->source->isActive) {
+					stack.push(edge.SourceNode());
+				}
+				isInput = isInput || edge->name == NameSurface;
+			}
+			if (isInput && (!mFirstInputNode || node->type < mFirstInputNode->type)) {
+				mFirstInputNode = node;
+			}
+		}
+		auto end = std::remove_if(mNodes.begin(), mNodes.end(), [this](FrameGraphNodePtr& node) {
+			return !node->isActive;
 		});
-		//mNodes.erase(end, mNodes.end());
+		mNodes.erase(end, mNodes.end());
+		if (outputNodes.size() > 1) {
+			std::sort(outputNodes.begin(), outputNodes.end(), [](RenderPassNode* a, RenderPassNode* b) {
+				if (a->type != b->type) {
+					return a->type < b->type;
+				}
+				return a < b;
+				});
+			for (size_t i = 1; i < outputNodes.size(); ++i) {
+				outputNodes[i]->dependencies.push_back(outputNodes[i - 1]);
+			}
+		}
+	}
+	void FrameGraph::FillGraph()
+	{
+		std::pmr::unordered_set<RenderPassNode*> seenNodes{FramePool()};
+		for (auto& node : mNodes) {
+			if (!node->dependencies.empty()) {
+				seenNodes.insert(node->dependencies[0]);
+			}
+			for (auto& edge : node->inEdges) {
+				RenderPassNode* srcNode = edge.SourceNode();
+				if (seenNodes.insert(srcNode).second) {
+					node->dependencies.push_back(srcNode);
+				}
+			}
+			seenNodes.clear();
+		}
+		if (mLastOutputNode) {
+			mFirstInputNode->flag |= RenderPassNodeFlag::FirstInput;
+			mLastOutputNode->flag |= RenderPassNodeFlag::LastOutput;
+		}
 	}
 	void FrameGraph::Execute(FRenderView& view)
 	{
-		for (auto node : mNodes) {
+		for (auto& node : mNodes) {
 			switch (node.type) {
 				case RenderPassType::Render:
 					ExecuteRenderPass(node.node, view);
@@ -78,8 +119,9 @@ namespace api {
 	}
 	void FrameGraph::Clear()
 	{
-		mGraph.clear();
 		mNodes.clear();
+		mFirstInputNode = nullptr;
+		mLastOutputNode = nullptr;
 	}
 	void FrameGraph::ExecuteRenderPass(RenderPassNode* node, FRenderView& view)
 	{
diff --git a/engine/modules/engine/render/src/graph/frame_graph_builder.cpp b/engine/modules/engine/render/src/graph/frame_graph_builder.cpp
index 0ecfd0c..194b2f5 100644
--- a/engine/modules/engine/render/src/graph/frame_graph_builder.cpp
+++ b/engine/modules/engine/render/src/graph/frame_graph_builder.cpp
@@ -51,8 +51,6 @@ namespace api {
 		FrameGraphEdgePtr edge{ refEdge , state};
 		node->inEdges.emplace_back(edge);
 		refEdge->targets.emplace_back(node);
-		if(refEdge->source)
-			graph.mGraph.addEdge(refEdge->source.ref, node.ref);
 		return *this;
 	}
 	FrameGraph::RenderPassBuilder& FrameGraph::RenderPassBuilder::Write(const FrameGraphEdgePtr& refEdge, ResourceState state)
@@ -61,15 +59,12 @@ namespace api {
 		FrameGraphEdgePtr edge{ refEdge , state };
 		node->outEdges.emplace_back(edge);
 		refEdge->targets.emplace_back(node);
-		if (refEdge->source)
-			graph.mGraph.addEdge(node.ref, refEdge->source.ref);
 		return *this;
 	}
-	FrameGraph::TextureBuilder& FrameGraph::TextureBuilder::Import(pmr::Name name, AttachmentDesc desc, ResourceState state)
+	FrameGraph::TextureBuilder& FrameGraph::TextureBuilder::Import(pmr::Name name, AttachmentDesc desc)
 	{
 		edge->name = name;
 		edge->resource = desc;
-		edge.targetState = state;
 		return *this;
 	}
 }
\ No newline at end of file
diff --git a/engine/modules/engine/render/src/pass/demo_pass.cpp b/engine/modules/engine/render/src/pass/demo_pass.cpp
index 54bb63f..f6aca5f 100644
--- a/engine/modules/engine/render/src/pass/demo_pass.cpp
+++ b/engine/modules/engine/render/src/pass/demo_pass.cpp
@@ -13,15 +13,12 @@ namespace api {
 	{
 		AttachmentDesc surface{};
 		surface.FromTexture(graph.mSurface);
-		surface.colorFormat = TinyImageFormat_B8G8R8A8_SRGB;
-		surface.sampleCount = SAMPLE_COUNT_1;
-		surface.dimension = TextureDimension::TEX_2D;
 		auto edge = graph.CreateTextureBuild()
-			.Import(FrameGraph::NameSurface, surface, ResourceState::COLOR_ATTACHMENT)
+			.Import(FrameGraph::NameSurface, surface)
 			.Edge();
 		builder.Name("MiniPass")
-			.Type(RenderPassNodeType::Scene, RenderPassNodeFlag::Input | RenderPassNodeFlag::Output)
-			.Write(edge, edge.targetState);
+			.Type(RenderPassNodeType::Scene, RenderPassNodeFlag::Output)
+			.Write(edge, ResourceState::COLOR_ATTACHMENT);
 	}
 	void DemoPass::Execute(FrameGraph& graph, RenderPassContext& ctx)
 	{
diff --git a/engine/modules/engine/render/xmake.lua b/engine/modules/engine/render/xmake.lua
index 40ecdb3..b126fa6 100644
--- a/engine/modules/engine/render/xmake.lua
+++ b/engine/modules/engine/render/xmake.lua
@@ -7,7 +7,7 @@ static_component("render","engine")
     add_files("src/**.cpp", "3rdparty/imgui/*.cpp")
     add_deps("asset", "zlib", "core")
     add_syslinks("user32", {public = true})
-    add_packages("lemon", "libsdl","shaderc","spirv-cross", {public = true})
+    add_packages("libsdl","shaderc","spirv-cross", {public = true})
     if WITH_EDITOR then 
         add_defines("WITH_EDITOR", {public = true})
         add_packages("imgui",{public = true})
diff --git a/engine/modules/engine/zlib/include/pmr/name.h b/engine/modules/engine/zlib/include/pmr/name.h
index f15971c..e317754 100644
--- a/engine/modules/engine/zlib/include/pmr/name.h
+++ b/engine/modules/engine/zlib/include/pmr/name.h
@@ -93,7 +93,7 @@ namespace pmr {
 				stringEntryHeader.Init((Hi >> 8u) & STRING_HASH_PROBE_MASK, view.size());
 				data = view.data();
 			}
-			const char* GetData() {
+			const char* GetData() const {
 				return data;
 			}
 			uint32_t GetSlotIndex() const{
@@ -140,9 +140,9 @@ namespace pmr {
 			static constexpr double SLOT_POOL_RESIZE_USAGE_RATE = 0.9;
 			static constexpr uint32_t SLOT_POOL_INITIALIZE_SIZE = 256u;
 		private:
-			uint32_t capcity;
-			uint32_t size;
-			Slot* slotArray;
+			uint32_t capcity{0};
+			uint32_t size{0};
+			Slot* slotArray{ nullptr };
 			std::mutex mutex;
 		public:
 			Slot& FindUnusedOrTargetSlot(HashInfo hashInfo);
diff --git a/engine/modules/engine/zlib/include/refl/detail/any.inl b/engine/modules/engine/zlib/include/refl/detail/any.inl
index e8109a4..5bf6dcf 100644
--- a/engine/modules/engine/zlib/include/refl/detail/any.inl
+++ b/engine/modules/engine/zlib/include/refl/detail/any.inl
@@ -48,7 +48,7 @@ namespace refl{
 	{
 		Any to{ ptr, cls };
 		auto fieldList = cls->GetFields(refl::FIND_ALL_MEMBER, Name(""));
-		for (auto field : fieldList) {
+		for (auto& field : fieldList) {
 			Any obj = to.Member(field);
 			Convert::Construct(obj, Member(field));
 		}
diff --git a/engine/modules/engine/zlib/include/refl/detail/uclass.inl b/engine/modules/engine/zlib/include/refl/detail/uclass.inl
index c30dc91..427e0f5 100644
--- a/engine/modules/engine/zlib/include/refl/detail/uclass.inl
+++ b/engine/modules/engine/zlib/include/refl/detail/uclass.inl
@@ -66,7 +66,7 @@ namespace refl {
 			}
 			else {
 				MethodType fptr = (MethodType)field->data.method.fptr;
-				auto ret = ArgsList.front();
+				auto& ret = ArgsList.front();
 				if (ret.cls == meta_info<R>()) {
 					*(R*)ret.ptr = fptr((param--->CastTo<Args>())...);
 				}
diff --git a/engine/modules/render/vulkan/include/vkn/type.h b/engine/modules/render/vulkan/include/vkn/type.h
index eede67f..bcf1037 100644
--- a/engine/modules/render/vulkan/include/vkn/type.h
+++ b/engine/modules/render/vulkan/include/vkn/type.h
@@ -121,6 +121,17 @@ namespace vkn {
 		uint32_t descCount = 0;
 		bool inUse = false;
 	};
+	inline bool operator==(const FramebufferKey& k1, const FramebufferKey& k2) {
+		if (k1.pass != k2.pass) return false;
+		if (k1.attachmentCount != k2.attachmentCount) return false;
+		for (int i = 0; i < k1.attachmentCount; i++) {
+			if (k1.imageViews[i] != k2.imageViews[i]) return false;
+		}
+		if (k1.height != k2.height) return false;
+		if (k1.width != k2.width) return false;
+		if (k1.layers != k2.layers) return false;
+		return true;
+	}
 }
 namespace std {
 	template<>
diff --git a/engine/modules/render/vulkan/include/vkn/vulkan_api.h b/engine/modules/render/vulkan/include/vkn/vulkan_api.h
index 9b4575e..33d6241 100644
--- a/engine/modules/render/vulkan/include/vkn/vulkan_api.h
+++ b/engine/modules/render/vulkan/include/vkn/vulkan_api.h
@@ -43,6 +43,7 @@ namespace vkn {
 		VkPipeline	 GetPipeline() { return nullptr; };
 		RenderPassInfo* GetRenderPassInfo(Name name, size_t hash);
 		RenderPassInfo* GetRenderPassInfo(size_t& hash, const RenderPassKey& config);
+		void SetRenderPassInfo(Name name, VkRenderPass pass);
 		Backend& GetBackend() {
 			return backend;
 		}
diff --git a/engine/modules/render/vulkan/include/vkn/vulkan_window.h b/engine/modules/render/vulkan/include/vkn/vulkan_window.h
index a5b8cf0..9c42bfe 100644
--- a/engine/modules/render/vulkan/include/vkn/vulkan_window.h
+++ b/engine/modules/render/vulkan/include/vkn/vulkan_window.h
@@ -23,7 +23,7 @@ namespace vkn {
 		friend class VulkanWindow;
 		Device& mDevice;
 		VkSwapchainKHR mPtr;
-		int mFrames;
+		uint32_t mFrames;
 		pmr::vector<TextureDesc>	 mSurfaces{ GlobalPool() };
 		pmr::vector<VkCommandBuffer> mCommands{ GlobalPool() };
 		pmr::vector<VkFence>		 mFences{ GlobalPool() };
@@ -32,7 +32,7 @@ namespace vkn {
 		VulkanSwapchain(Device& device, VkSurfaceKHR surface, VulkanWindowArgs& args);
 		void Aquire(VulkanContext& ctx);
 		void Present(VulkanContext& ctx);
-		int FrameCount() {
+		int FrameCount() const {
 			return mFrames;
 		}
 		const pmr::vector<TextureDesc>& GetSurface() {
diff --git a/engine/modules/render/vulkan/src/vulkan_api.cpp b/engine/modules/render/vulkan/src/vulkan_api.cpp
index d08c3ff..13ce81c 100644
--- a/engine/modules/render/vulkan/src/vulkan_api.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_api.cpp
@@ -11,17 +11,6 @@
 #include "zlog.h"
 namespace vkn {
 	using api::EventSystem;
-	inline bool operator==(const FramebufferKey& k1, const FramebufferKey& k2) {
-		if (k1.pass != k2.pass) return false;
-		if (k1.attachmentCount != k2.attachmentCount) return false;
-		for (int i = 0; i < k1.attachmentCount; i++) {
-			if (k1.imageViews[i] != k2.imageViews[i]) return false;
-		}
-		if (k1.height != k2.height) return false;
-		if (k1.width != k2.width) return false;
-		if (k1.layers != k2.layers) return false;
-		return true;
-	}
 	VulkanAPI::VulkanAPI() : RenderAPI(new VulkanContext())
 		, window(*VulkanWindow::Ptr())
 		, backend(VulkanEngineName) 
@@ -447,16 +436,16 @@ namespace vkn {
 		VkSemaphore waitSemaphores[8];
 		VkPipelineStageFlags waitDstStageMasks[8];
 		uint32_t    semaphoreCount = 0;
-		if (node->IsInput()) {
+		if (node->IsFirstInput()) {
 			waitDstStageMasks[semaphoreCount] = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
 			waitSemaphores[semaphoreCount++] = ctx.surfaceSemaphore;
-			zlog::info("-----wait {:#x}", (uintptr_t)ctx.surfaceSemaphore);
+			//zlog::info("-----wait {:#x}", (uintptr_t)ctx.surfaceSemaphore);
 		}
-		for (auto& it : node->inEdges) {
-			RenderPassInfo* inputInfo = GetRenderPassInfo(it->source->name ,it->source->hash);
+		for (auto& it : node->dependencies) {
+			RenderPassInfo* inputInfo = GetRenderPassInfo(it->name ,it->hash);
 			waitDstStageMasks[semaphoreCount] = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
 			waitSemaphores[semaphoreCount++] = inputInfo->semaphores[context.frame];
-			zlog::info("-----wait {:#x}", (uintptr_t)inputInfo->semaphores[context.frame]);
+			//zlog::info("-----wait {:#x}", (uintptr_t)inputInfo->semaphores[context.frame]);
 		}
 		VkSubmitInfo submitInfo{};
 		submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
@@ -467,10 +456,10 @@ namespace vkn {
 		submitInfo.pWaitSemaphores = waitSemaphores;
 		submitInfo.pWaitDstStageMask = waitDstStageMasks;
 		submitInfo.waitSemaphoreCount = semaphoreCount;
-		if (node->IsOutput()) {
+		if (node->IsLastOutput()) {
 			ctx.graphSemaphore = passInfo->semaphores[context.frame];
 		}
-		zlog::info("+++++sign {:#x}", (uintptr_t)passInfo->semaphores[context.frame]);
+		//zlog::info("+++++sign {:#x}", (uintptr_t)passInfo->semaphores[context.frame]);
 		vkQueueSubmit(Backend::RenderWorker->GetQueue().Ptr(), 1, &submitInfo, nullptr);
 	}
 	RenderPassInfo* VulkanAPI::GetRenderPassInfo(Name name, size_t hash) {
@@ -665,4 +654,11 @@ namespace vkn {
 		RenderPassCache.emplace(hash, info);
 		return &RenderPassCache[hash];
 	}
+	void VulkanAPI::SetRenderPassInfo(Name name, VkRenderPass pass) {
+		RenderPassInfo info{};
+		info.config.pass = pass;
+		backend.GetDevice().CreateSemaphores(info.semaphores, context.frameCount);
+		Backend::RenderWorker->GetCommandPool().PopList(info.commands, context.frameCount);
+		RenderPassNameCache.emplace(name, info);
+	}
 }
diff --git a/engine/modules/render/vulkan/src/vulkan_context.cpp b/engine/modules/render/vulkan/src/vulkan_context.cpp
index 7f16b25..09a5f63 100644
--- a/engine/modules/render/vulkan/src/vulkan_context.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_context.cpp
@@ -76,8 +76,8 @@ namespace vkn {
 
 		submitInfo.signalSemaphoreCount = 1;
 		submitInfo.pSignalSemaphores = signalSemaphores;
-		zlog::info("-----wait {:#x}", (uintptr_t)waitSemaphores[0]);
-		zlog::info("+++++sign {:#x}", (uintptr_t)signalSemaphores[0]);
+		//zlog::info("-----wait {:#x}", (uintptr_t)waitSemaphores[0]);
+		//zlog::info("+++++sign {:#x}", (uintptr_t)signalSemaphores[0]);
 		vkQueueSubmit(queue, 1, &submitInfo, surfaceFence);
 		graphSemaphore = nullptr;
 	}
diff --git a/engine/modules/render/vulkan/src/vulkan_imgui.cpp b/engine/modules/render/vulkan/src/vulkan_imgui.cpp
index da96927..d991539 100644
--- a/engine/modules/render/vulkan/src/vulkan_imgui.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_imgui.cpp
@@ -11,13 +11,9 @@
 #include "event/event_system.h"
 #include "tinyimageformat/tinyimageformat_apis.h"
 namespace vkn {
-	using api::EventSystem;
+	using namespace api;
+	static Name ImguiPassName{"ImguiPass"};
 	static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
-	static VkRenderPass g_RenderPass = VK_NULL_HANDLE;
-	static VkCommandPool g_CommandPool = VK_NULL_HANDLE;
-	static std::vector<VkCommandBuffer> g_CommandBuffers;
-	static std::vector<VkFramebuffer> g_FrameBuffers;
-	static std::vector<VkSemaphore> g_RenderFinishSemaphores;
 	VkDescriptorPool CreateDescriptorPool(VkDevice device) {
 		VkDescriptorPoolSize pool_sizes[] =
 		{
@@ -84,59 +80,6 @@ namespace vkn {
 			throw std::runtime_error("Could not create Dear ImGui's render pass");
 		return renderPass;
 	}
-	void CreateFrameBuffer(VulkanAPI* API, VkRenderPass renderPass,  const pmr::vector<TextureDesc>& surfaces) {
-		VkDevice device = API->GetBackend().GetDevice().Ptr();
-		g_FrameBuffers.resize(surfaces.size());
-		VkFramebuffer* framebuffer = g_FrameBuffers.data();
-		for (auto& surface : surfaces)
-		{
-			VkFramebufferCreateInfo info = {};
-			info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
-			info.renderPass = renderPass;
-			info.pAttachments = (VkImageView*)API->graph.ResolveTextureView(surface.ToTextureView());
-			info.attachmentCount = 1;
-			info.width = surface.width;
-			info.height = surface.height;
-			info.layers = 1;
-			vkCreateFramebuffer(device, &info, VK_NULL_HANDLE, framebuffer++);
-		}
-	}
-	void CreateCommandPool(VkDevice device, int queueFamilyIndex, int frames) {
-		VkCommandPool commandPool;
-		// 创建一个专用的CommandPool
-		{
-			VkCommandPoolCreateInfo commandPoolCreateInfo = {};
-			commandPoolCreateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
-			commandPoolCreateInfo.queueFamilyIndex = queueFamilyIndex;
-			commandPoolCreateInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
-
-			if (vkCreateCommandPool(device, &commandPoolCreateInfo, VK_NULL_HANDLE, &commandPool) != VK_SUCCESS)
-				throw std::runtime_error("Could not create graphics command pool");
-		}
-
-		// 创建专用的CommandBuffer
-		{
-			g_CommandBuffers.resize(frames);
-
-			VkCommandBufferAllocateInfo allocInfo = {};
-			allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
-			allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
-			allocInfo.commandPool = commandPool;
-			allocInfo.commandBufferCount = frames;
-
-			if (vkAllocateCommandBuffers(device, &allocInfo, g_CommandBuffers.data()) != VK_SUCCESS)
-				throw std::runtime_error("failed to allocate command buffers!");
-		}
-		g_RenderFinishSemaphores.resize(frames);
-
-		for (size_t i = 0; i < frames; i++)
-		{
-			VkSemaphoreCreateInfo semaphoreInfo = {};
-			semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
-			if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &g_RenderFinishSemaphores[i]) != VK_SUCCESS)
-				throw std::runtime_error("failed to create synchronization objects for a frame!");
-		}
-	}
 	void VulkanImguiSystem::Initialize()
 	{
 		VulkanAPI* API = VulkanAPI::Ptr();
@@ -161,11 +104,7 @@ namespace vkn {
 		init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
 		init_info.Allocator = VK_NULL_HANDLE;
 		ImGui_ImplVulkan_Init(&init_info);
-
-		g_RenderPass = renderPass;
-		auto& surfaces = window->Swapchain()->GetSurface();
-		//CreateFrameBuffer(API, renderPass, surfaces);
-		//CreateCommandPool(backend.GetDevice().Ptr(), pQueue->QueueFamilyIndex(), surfaces.size());
+		API->SetRenderPassInfo(ImguiPassName, renderPass);
 		EventSystem::Ptr()->BeginRenderFrame.Subscribe(&VulkanImguiSystem::Render, this);
 		
 	}
@@ -175,15 +114,22 @@ namespace vkn {
 	}
 	void VulkanImguiSystem::Render()
 	{
-		if(false)
-			VulkanAPI::Ptr()->graph.AddRenderPass<VulkanImguiSystem>();
+		VulkanAPI::Ptr()->graph.AddRenderPass<VulkanImguiSystem>();
 	}
 	void VulkanImguiSystem::Setup(FrameGraph& graph, FrameGraph::RenderPassBuilder& builder)
 	{
-
+		AttachmentDesc surface{};
+		surface.FromTexture(graph.mSurface);
+		auto edge = graph.CreateTextureBuild()
+			.Import(FrameGraph::NameSurface, surface)
+			.Edge();
+		builder.Name(ImguiPassName)
+			.Type(RenderPassNodeType::Imgui, RenderPassNodeFlag::Output)
+			.Write(edge, ResourceState::COLOR_ATTACHMENT);
 	}
-	void VulkanImguiSystem::Execute(FrameGraph&, RenderPassContext&)
+	void VulkanImguiSystem::Execute(FrameGraph& graph, RenderPassContext& context)
 	{
+		graph.mSurface.state = ResourceState::PRESENT;
 		ImGui_ImplVulkan_NewFrame();
 		ImGui_ImplSDL2_NewFrame();
 		ImGui::NewFrame();
@@ -194,53 +140,14 @@ namespace vkn {
 		ImGui::End();
 
 		ImGui::Render();
-
-
-	}
-	void EndEditorRender()
-	{
-		/*
-		VulkanAPI* API = VulkanAPI::Ptr();
-		uint32_t frame = API->context.frame;
-		CommandBuffer commandBuffer = CommandBuffer(g_CommandBuffers[frame]);
-		commandBuffer.Reset();
-		commandBuffer.BeginRecord(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT);
-
-		VkRenderPassBeginInfo renderPassinfo = {};
-		renderPassinfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
-		renderPassinfo.renderPass = g_RenderPass;
-		renderPassinfo.framebuffer = g_FrameBuffers[frame];
-		renderPassinfo.renderArea.extent.width = API->graph.mSurface.width;
-		renderPassinfo.renderArea.extent.height = API->graph.mSurface.height;
-		renderPassinfo.clearValueCount = 0;
-		vkCmdBeginRenderPass(commandBuffer.Ptr(), &renderPassinfo, VK_SUBPASS_CONTENTS_INLINE);
-		// Record Imgui Draw Data and draw funcs into command buffer
-		ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), commandBuffer.Ptr());
-		vkCmdEndRenderPass(commandBuffer.Ptr());
-		commandBuffer.EndRecord();
-
-		// 提交CommandBuffer
-		pmr::vector<VkPipelineStageFlags> waitStages{FramePool()};
-		waitStages.resize(renderAPI->curWaitSemaphores.size(), VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT);
-		vector<VkSemaphore> waitSemaphores = renderAPI->curWaitSemaphores;
-
-		waitStages.push_back(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
-		waitSemaphores.push_back(renderAPI->presentImageAvailableSemaphores[renderAPI->currentFrame]);
-
-		VkSubmitInfo submitInfo = {};
-		submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
-		submitInfo.pCommandBuffers = &commandBuffer.Ptr();
-		submitInfo.commandBufferCount = 1;
-		submitInfo.pWaitSemaphores = waitSemaphores.data();
-		submitInfo.pWaitDstStageMask = waitStages.data();
-		submitInfo.waitSemaphoreCount = static_cast<uint32_t>(waitSemaphores.size());
-		submitInfo.pSignalSemaphores = &g_RenderFinishSemaphores[renderAPI->currentFrame];
-		submitInfo.signalSemaphoreCount = 1;
-
-		VkFence fence = renderAPI->inFlightFences[renderAPI->currentFrame];
-		if (vkQueueSubmit(renderAPI->graphicsQueue, 1, &submitInfo, fence) != VK_SUCCESS)
-			throw std::runtime_error("failed to submit draw command buffer!");
-
-		renderAPI->curWaitSemaphores = { g_RenderFinishSemaphores[renderAPI->currentFrame] };*/
+		VulkanContext& ctx = *(VulkanContext*)&context.parent;
+		ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), ctx.command);
+		ImGuiIO& io = ImGui::GetIO();
+		// 更新并渲染平台窗口
+		if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+		{
+			ImGui::UpdatePlatformWindows();
+			ImGui::RenderPlatformWindowsDefault(nullptr, ctx.command);
+		}
 	}
 }
diff --git a/engine/modules/render/vulkan/src/vulkan_window.cpp b/engine/modules/render/vulkan/src/vulkan_window.cpp
index 5dbf982..545c62c 100644
--- a/engine/modules/render/vulkan/src/vulkan_window.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_window.cpp
@@ -23,7 +23,7 @@ namespace vkn {
 		args.height = mHeight;
 		mSwapchain = new (GlobalPool()) VulkanSwapchain(backend.GetDevice(), surface, args);
 		api->context.frameCount = args.frames;
-		api->graph.InitSurface(mSwapchain->mSurfaces);
+		api->graph.InitSurface(std::span<TextureDesc>{mSwapchain->mSurfaces.data(), args.frames});
 		return true;
 	}
 	VulkanSwapchain::VulkanSwapchain(Device& device, VkSurfaceKHR surface, VulkanWindowArgs& args)
@@ -63,7 +63,7 @@ namespace vkn {
 		swapchain_images.resize(imageCount);
 		vkGetSwapchainImagesKHR(device.Ptr(), mPtr, &imageCount, swapchain_images.data());
 		mFences.reserve(mFrames);
-		mSurfaces.reserve(mFrames);
+		mSurfaces.reserve(imageCount);
 		mCommands.reserve(mFrames);
 		mSemaphores.reserve(mFrames + mFrames);
 		TextureDesc desc{};
@@ -75,6 +75,7 @@ namespace vkn {
 		desc.arraySize = 1;
 		desc.mipLevel = 1;
 		desc.depth = 1;
+		desc.dimension = TextureDimension::TEX_2D;
 		for (int i = 0; i < mFrames; i++) {
 			desc.image = swapchain_images[i];
 			mSurfaces.push_back(desc);
@@ -83,12 +84,15 @@ namespace vkn {
 			mCommands.push_back(Backend::RenderWorker->AllocateBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY));
 			mFences.push_back(mDevice.CreateFence(VK_FENCE_CREATE_SIGNALED_BIT));
 		}
+		for (int i = mFrames; i < imageCount; i++) {
+			desc.image = swapchain_images[i];
+			mSurfaces.push_back(desc);
+		}
 	}
 	void VulkanSwapchain::Aquire(VulkanContext& ctx)
 	{
 		VkFence surfaceFence = mFences[ctx.frame];
 		VkSemaphore surfaceSemaphore = mSemaphores[ctx.frame];
-		ctx.surface = mSurfaces[ctx.frame];
 		ctx.surfaceCommand = mCommands[ctx.frame];
 		ctx.surfaceFence = surfaceFence;
 		ctx.surfaceSemaphore = surfaceSemaphore;
@@ -97,12 +101,12 @@ namespace vkn {
 			throw std::runtime_error("Failed to wait for fence!");
 		vkAcquireNextImageKHR(mDevice.Ptr(), mPtr, UINT64_MAX, surfaceSemaphore, VK_NULL_HANDLE, &ctx.presentFrame);
 		vkResetFences(mDevice.Ptr(), 1, &surfaceFence);
-		ctx.presentFrame = ctx.presentFrame % mFrames;
-		zlog::info("aquire------------:: {:#x}", (uintptr_t)surfaceSemaphore);
+		ctx.surface = mSurfaces[ctx.presentFrame];
+		//zlog::info("aquire------------:: {:#x}", (uintptr_t)surfaceSemaphore);
 	}
 	void VulkanSwapchain::Present(VulkanContext& ctx)
 	{
-		zlog::info("present+++++++++++:: {:#x}", (uintptr_t)ctx.presentSemaphore);
+		//zlog::info("present+++++++++++:: {:#x}", (uintptr_t)ctx.presentSemaphore);
 		VkPresentInfoKHR presentInfo = {};
 		presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
 		presentInfo.pWaitSemaphores = &ctx.presentSemaphore;