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 5271e1f..b03dd2f 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
@@ -8,6 +8,7 @@ namespace api {
 		RenderPassBuilder(FrameGraph* graph, FrameGraphNodePtr& node) noexcept
 			: graph(*graph) , node(node) {};
 		FrameGraph::RenderPassBuilder& Name(pmr::Name name);
+		FrameGraph::RenderPassBuilder& Type(RenderPassNodeType type,RenderPassNodeFlag flag = RenderPassNodeFlag::None);
 		FrameGraph::RenderPassBuilder& Read(TextureDesc desc, ResourceState state);
 		FrameGraph::RenderPassBuilder& Write(BufferDesc desc, ResourceState state);
 		FrameGraph::RenderPassBuilder& Attach(AttachmentDesc desc, ResourceState state);
diff --git a/engine/modules/engine/render/include/render/graph/type.h b/engine/modules/engine/render/include/render/graph/type.h
index 1b851dd..99dc726 100644
--- a/engine/modules/engine/render/include/render/graph/type.h
+++ b/engine/modules/engine/render/include/render/graph/type.h
@@ -80,14 +80,29 @@ namespace api {
 		}
 		void ResolveView(FrameGraph* graph);
 	};
+	enum class RenderPassNodeType : uint16_t {
+		None,
+		Scene,
+		Imgui,
+	};
+	enum class RenderPassNodeFlag : uint16_t
+	{
+		None = 0,
+		Input = 0x01,
+		Output = 0x02,
+	};
 	using RenderPassEdgeIterFn = std::function<void(FrameResource*, FrameGraphEdgePtr)>;
 	struct RenderPassNode {
 		Name	name;
 		size_t  hash;
+		RenderPassNodeType type;
+		RenderPassNodeFlag flag;
 		RenderPassNodeExecuteFn executor;
 		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); }
 		FrameGraphEdgePtr GetInput(int i) { return inEdges[i]; };
 		FrameGraphEdgePtr GetOutput(int i) { return outEdges[i]; };
 		FrameGraphEdgePtr FindInput(Name name)
diff --git a/engine/modules/engine/render/include/render/type.h b/engine/modules/engine/render/include/render/type.h
index 795d918..38a0c1f 100644
--- a/engine/modules/engine/render/include/render/type.h
+++ b/engine/modules/engine/render/include/render/type.h
@@ -1,4 +1,5 @@
 #pragma once
+#include "meta/enum.h"
 #include "refl/pch.h"
 #include "tinyimageformat/tinyimageformat_base.h"
 #include <cstdint>
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 1ca6d59..0ecfd0c 100644
--- a/engine/modules/engine/render/src/graph/frame_graph_builder.cpp
+++ b/engine/modules/engine/render/src/graph/frame_graph_builder.cpp
@@ -1,12 +1,17 @@
 #include "render/graph/frame_graph.h"
 #include "render/pass/render_pass.h"
-#include "meta/enum.h"
 namespace api {
 	FrameGraph::RenderPassBuilder& FrameGraph::RenderPassBuilder::Name(pmr::Name name)
 	{
 		node->name = name;
 		return *this;
 	}
+	FrameGraph::RenderPassBuilder& FrameGraph::RenderPassBuilder::Type(RenderPassNodeType type, RenderPassNodeFlag flag)
+	{
+		node->type = type;
+		node->flag = flag;
+		return *this;
+	}
 	FrameGraph::RenderPassBuilder& FrameGraph::RenderPassBuilder::Read(TextureDesc desc, ResourceState state)
 	{
 		FrameGraphEdgePtr edge{};
diff --git a/engine/modules/engine/render/src/pass/demo_pass.cpp b/engine/modules/engine/render/src/pass/demo_pass.cpp
index 83c95f9..54bb63f 100644
--- a/engine/modules/engine/render/src/pass/demo_pass.cpp
+++ b/engine/modules/engine/render/src/pass/demo_pass.cpp
@@ -20,6 +20,7 @@ namespace api {
 			.Import(FrameGraph::NameSurface, surface, ResourceState::COLOR_ATTACHMENT)
 			.Edge();
 		builder.Name("MiniPass")
+			.Type(RenderPassNodeType::Scene, RenderPassNodeFlag::Input | RenderPassNodeFlag::Output)
 			.Write(edge, edge.targetState);
 	}
 	void DemoPass::Execute(FrameGraph& graph, RenderPassContext& ctx)
diff --git a/engine/modules/engine/render/src/tool/glsl_to_spirv.cpp b/engine/modules/engine/render/src/tool/glsl_to_spirv.cpp
index 388dac0..75fddf8 100644
--- a/engine/modules/engine/render/src/tool/glsl_to_spirv.cpp
+++ b/engine/modules/engine/render/src/tool/glsl_to_spirv.cpp
@@ -2,7 +2,6 @@
 #include "render/asset/ubo.h"
 #include "render/renderapi.h"
 #include "zlog.h"
-#include "meta/enum.h"
 #include <shaderc/shaderc.hpp>
 #include <spirv_cross/spirv_reflect.hpp>
 namespace api
diff --git a/engine/modules/render/vulkan/include/vkn/type.h b/engine/modules/render/vulkan/include/vkn/type.h
index 76b8700..eede67f 100644
--- a/engine/modules/render/vulkan/include/vkn/type.h
+++ b/engine/modules/render/vulkan/include/vkn/type.h
@@ -59,7 +59,7 @@ namespace vkn {
 		uint8_t  subpassMask;// 1 byte
 		uint8_t  initialColorLayoutMask;// 1 byte
 		uint8_t  needsResolveMask; // 1 byte
-		operator size_t() {
+		operator size_t() const{
 			return meta::MurmurHashFn(this);
 		}
 	};
diff --git a/engine/modules/render/vulkan/include/vkn/vulkan_api.h b/engine/modules/render/vulkan/include/vkn/vulkan_api.h
index 0818c6a..9b4575e 100644
--- a/engine/modules/render/vulkan/include/vkn/vulkan_api.h
+++ b/engine/modules/render/vulkan/include/vkn/vulkan_api.h
@@ -18,6 +18,7 @@ namespace vkn {
 		table<Guid, MeshVAO> MeshTable;
 		table<Guid, VulkanPipeline> PipelineTable;
 		table<size_t, RenderPassInfo> RenderPassCache;
+		table<Name, RenderPassInfo>   RenderPassNameCache;
 		table<FramebufferKey, VkFramebuffer> FramebufferCache;
 	public:
 		VulkanAPI();
@@ -40,7 +41,8 @@ namespace vkn {
 		void EndRenderPass(RenderPassNode* node) override;
 		void ExecuteResourceBarriers(const ResourceBarrierDesc& desc) override;
 		VkPipeline	 GetPipeline() { return nullptr; };
-		const RenderPassInfo& GetRenderPassInfo(size_t hash, const RenderPassKey& config = {});
+		RenderPassInfo* GetRenderPassInfo(Name name, size_t hash);
+		RenderPassInfo* GetRenderPassInfo(size_t& hash, const RenderPassKey& config);
 		Backend& GetBackend() {
 			return backend;
 		}
diff --git a/engine/modules/render/vulkan/src/vulkan_api.cpp b/engine/modules/render/vulkan/src/vulkan_api.cpp
index 80cd427..d08c3ff 100644
--- a/engine/modules/render/vulkan/src/vulkan_api.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_api.cpp
@@ -7,7 +7,6 @@
 #include "vkn/loader/vulkan_glsl_loader.h"
 #include "render/asset/mesh.h"
 #include "event/event_system.h"
-#include "meta/enum.h"
 #include "tinyimageformat/tinyimageformat_apis.h"
 #include "zlog.h"
 namespace vkn {
@@ -375,6 +374,7 @@ namespace vkn {
 	}
 	void VulkanAPI::BeginRenderPass(RenderPassNode* node, FnEnterRenderPass callback)
 	{
+		RenderPassInfo* passInfo = GetRenderPassInfo(node->name, node->hash);
 		RenderPassKey  config{};
 		FramebufferKey frameKey{.layers = 1};
 		VkClearValue   clearValues[2 * MAX_SUPPORTED_RENDER_TARGET_COUNT + 1] = { 0 };
@@ -398,9 +398,10 @@ namespace vkn {
 			}
 		}
 		frameKey.attachmentCount = i;
-		node->hash = config;
-		RenderPassInfo passInfo = GetRenderPassInfo(node->hash, config);
-		frameKey.pass = passInfo.Pass();
+		if (!passInfo) {
+			passInfo = GetRenderPassInfo(node->hash, config);
+		}
+		frameKey.pass = passInfo->Pass();
 		auto it = FramebufferCache.find(frameKey);
 		VkFramebuffer framebuffer = it->second;
 		if (it == FramebufferCache.end()) {
@@ -430,7 +431,7 @@ namespace vkn {
 			.pClearValues = clearValues
 		};
 		VulkanContext& ctx = *(VulkanContext*)&context;
-		CommandBuffer cmd = passInfo.commands[context.frame];
+		CommandBuffer cmd = passInfo->commands[context.frame];
 		ctx.command = cmd.Ptr();
 		cmd.BeginRecord(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT);
 		if(callback) callback(node);
@@ -439,41 +440,59 @@ namespace vkn {
 	void VulkanAPI::EndRenderPass(RenderPassNode* node)
 	{
 		VulkanContext& ctx = *(VulkanContext*)&context;
-		RenderPassInfo passInfo = GetRenderPassInfo(node->hash);
-		CommandBuffer cmd = passInfo.commands[context.frame];
+		RenderPassInfo* passInfo = GetRenderPassInfo(node->name, node->hash);
+		CommandBuffer cmd = passInfo->commands[context.frame];
 		vkCmdEndRenderPass(cmd.Ptr());
 		cmd.EndRecord();
 		VkSemaphore waitSemaphores[8];
 		VkPipelineStageFlags waitDstStageMasks[8];
 		uint32_t    semaphoreCount = 0;
-		if (ctx.surfaceSemaphore) {
+		if (node->IsInput()) {
 			waitDstStageMasks[semaphoreCount] = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
 			waitSemaphores[semaphoreCount++] = ctx.surfaceSemaphore;
-			ctx.surfaceSemaphore = nullptr;
+			zlog::info("-----wait {:#x}", (uintptr_t)ctx.surfaceSemaphore);
 		}
 		for (auto& it : node->inEdges) {
-			RenderPassInfo inputInfo = GetRenderPassInfo(it->source->hash);
+			RenderPassInfo* inputInfo = GetRenderPassInfo(it->source->name ,it->source->hash);
 			waitDstStageMasks[semaphoreCount] = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
-			waitSemaphores[semaphoreCount++] = inputInfo.semaphores[context.frame];
+			waitSemaphores[semaphoreCount++] = inputInfo->semaphores[context.frame];
+			zlog::info("-----wait {:#x}", (uintptr_t)inputInfo->semaphores[context.frame]);
 		}
 		VkSubmitInfo submitInfo{};
 		submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
 		submitInfo.commandBufferCount = 1;
 		submitInfo.pCommandBuffers = &cmd.Ptr();
-		submitInfo.pSignalSemaphores = &passInfo.semaphores[context.frame];
+		submitInfo.pSignalSemaphores = &passInfo->semaphores[context.frame];
 		submitInfo.signalSemaphoreCount = 1;
 		submitInfo.pWaitSemaphores = waitSemaphores;
 		submitInfo.pWaitDstStageMask = waitDstStageMasks;
 		submitInfo.waitSemaphoreCount = semaphoreCount;
-		if (!ctx.graphSemaphore) {
-			ctx.graphSemaphore = passInfo.semaphores[context.frame];
+		if (node->IsOutput()) {
+			ctx.graphSemaphore = passInfo->semaphores[context.frame];
 		}
+		zlog::info("+++++sign {:#x}", (uintptr_t)passInfo->semaphores[context.frame]);
 		vkQueueSubmit(Backend::RenderWorker->GetQueue().Ptr(), 1, &submitInfo, nullptr);
 	}
-	const RenderPassInfo& VulkanAPI::GetRenderPassInfo(size_t hash, const RenderPassKey& config) {
+	RenderPassInfo* VulkanAPI::GetRenderPassInfo(Name name, size_t hash) {
+		if (hash) {
+			auto it = RenderPassCache.find(hash);
+			if (it != RenderPassCache.end()) {
+				return &it->second;
+			}
+		}
+		if (name) {
+			auto it = RenderPassNameCache.find(name);
+			if (it != RenderPassNameCache.end()) {
+				return &it->second;
+			}
+		}
+		return nullptr;
+	}
+	RenderPassInfo* VulkanAPI::GetRenderPassInfo(size_t& hash, const RenderPassKey& config) {
+		hash = config;
 		auto it = RenderPassCache.find(hash);
 		if (it != RenderPassCache.end()) {
-			return it->second;
+			return &it->second;
 		}
 		// Set up some const aliases for terseness.
 		const VkAttachmentLoadOp kClear = VK_ATTACHMENT_LOAD_OP_CLEAR;
@@ -644,6 +663,6 @@ namespace vkn {
 		backend.GetDevice().CreateSemaphores(info.semaphores, context.frameCount);
 		Backend::RenderWorker->GetCommandPool().PopList(info.commands, context.frameCount);
 		RenderPassCache.emplace(hash, info);
-		return RenderPassCache[hash];
+		return &RenderPassCache[hash];
 	}
 }
diff --git a/engine/modules/render/vulkan/src/vulkan_api_help.cpp b/engine/modules/render/vulkan/src/vulkan_api_help.cpp
index 2e68c4c..bbfcb57 100644
--- a/engine/modules/render/vulkan/src/vulkan_api_help.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_api_help.cpp
@@ -1,6 +1,5 @@
 #include <tuple>
 #include "vkn/vulkan_api_help.h"
-#include "meta/enum.h"
 namespace vkn {
     VkImageLayout vkApiGetAttachmentLayout(VkFormat format, bool includeStencilBit)
     {
diff --git a/engine/modules/render/vulkan/src/vulkan_context.cpp b/engine/modules/render/vulkan/src/vulkan_context.cpp
index 8cf5276..7f16b25 100644
--- a/engine/modules/render/vulkan/src/vulkan_context.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_context.cpp
@@ -1,5 +1,6 @@
 #include "vkn/vulkan_context.h"
 #include "vkn/backend.h"
+#include "zlog.h"
 namespace vkn {
 	void VulkanContext::SetScissor(uint32_t x, uint32_t y, uint32_t width, uint32_t height)
 	{
@@ -57,6 +58,7 @@ namespace vkn {
 		};
 		vkBeginCommandBuffer(surfaceCommand, &beginInfo);
 	}
+
 	void VulkanContext::EndRecord(VkQueue queue)
 	{
 		vkEndCommandBuffer(surfaceCommand);
@@ -74,6 +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]);
 		vkQueueSubmit(queue, 1, &submitInfo, surfaceFence);
 		graphSemaphore = nullptr;
 	}
diff --git a/engine/modules/render/vulkan/src/vulkan_window.cpp b/engine/modules/render/vulkan/src/vulkan_window.cpp
index e237a2c..5dbf982 100644
--- a/engine/modules/render/vulkan/src/vulkan_window.cpp
+++ b/engine/modules/render/vulkan/src/vulkan_window.cpp
@@ -98,9 +98,11 @@ namespace vkn {
 		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);
 	}
 	void VulkanSwapchain::Present(VulkanContext& ctx)
 	{
+		zlog::info("present+++++++++++:: {:#x}", (uintptr_t)ctx.presentSemaphore);
 		VkPresentInfoKHR presentInfo = {};
 		presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
 		presentInfo.pWaitSemaphores = &ctx.presentSemaphore;