diff --git a/BetterDeferred/MCPatches.cpp b/BetterDeferred/MCPatches.cpp
index 74e868d..7822a37 100644
--- a/BetterDeferred/MCPatches.cpp
+++ b/BetterDeferred/MCPatches.cpp
@@ -7,19 +7,50 @@ void MCPatches_Init() {
 	printf("%s\n", __FUNCTION__);
 
 	//mce::framebuilder::bgfxbridge::DeferredMinecraftFrameRenderer::frame
-	uintptr_t normalsRasterTextureFormatPtr = FindSignature("48 8D 8D ?? ?? ?? ?? E8 ?? ?? ?? ?? 0F 10 B5 ?? ?? ?? ?? 0F 11 B5 ?? ?? ?? ?? 8B 9D ?? ?? ?? ?? 89 9D ?? ?? ?? ?? C7 85 ?? ?? ?? ?? ?? ?? ?? ??");
-	if (normalsRasterTextureFormatPtr) {
-		DWORD oldProtect, tmp;
-		VirtualProtect((void*)normalsRasterTextureFormatPtr, 48, PAGE_READWRITE, &oldProtect);
-		char* p = (char*)normalsRasterTextureFormatPtr;
-		if (p[44] == (char)mce::TextureFormat::R16G16_SNORM || p[44] == (char)mce::TextureFormat::R8G8_UNORM) {
-			p[44] = (char)mce::TextureFormat::R16G16B16A16_FLOAT;
+	{
+		mce::TextureFormat* textureFormatPtr = nullptr;
+		uintptr_t ptr = FindSignature(
+			"48 8D 8D ?? ?? ?? ?? "
+			"E8 ?? ?? ?? ?? "
+			"0F 10 B5 ?? ?? ?? ?? "
+			"0F 11 B5 ?? ?? ?? ?? "
+			"8B 9D ?? ?? ?? ?? "
+			"89 9D ?? ?? ?? ?? "
+			"C7 85 ?? ?? ?? ?? ?? ?? ?? ??"
+		);
+		textureFormatPtr = (mce::TextureFormat*)(ptr + 44);
+
+		if (!ptr) {
+			ptr = FindSignature(
+				"48 8D 8D ?? ?? ?? ?? "
+				"E8 ?? ?? ?? ?? "
+				"0F 10 ?? ?? ?? ?? ?? "
+				"0F 11 ?? ?? ?? ?? ?? "
+				"F2 0F 10 ?? ?? ?? ?? ?? "
+				"F2 0F 11 ?? ?? ?? ?? ?? "
+				"8B 9D ?? ?? ?? ?? "
+				"89 9D ?? ?? ?? ?? "
+				"C7 85 ?? ?? ?? ?? ?? ?? ?? ??"
+			);
+			textureFormatPtr = (mce::TextureFormat*)(ptr + 60);
+		}
+
+		if (ptr && textureFormatPtr) {
+			DWORD oldProtect, tmp;
+			VirtualProtect(textureFormatPtr, sizeof(mce::TextureFormat), PAGE_READWRITE, &oldProtect);
+
+			mce::TextureFormat textureFormat = *textureFormatPtr;
+			if (textureFormat == mce::TextureFormat::R16G16_SNORM || textureFormat == mce::TextureFormat::R8G8_UNORM) {
+				*textureFormatPtr = mce::TextureFormat::R16G16B16A16_FLOAT;
+			} else {
+				printf("Failed to patch mce::framebuilder::bgfxbridge::DeferredMinecraftFrameRenderer::frame\n");
+			}
+
+			VirtualProtect(textureFormatPtr, sizeof(mce::TextureFormat), oldProtect, &tmp);
 		} else {
 			printf("Failed to patch mce::framebuilder::bgfxbridge::DeferredMinecraftFrameRenderer::frame\n");
 		}
-		VirtualProtect((void*)normalsRasterTextureFormatPtr, 48, oldProtect, &tmp);
-	} else {
-		printf("Failed to patch mce::framebuilder::bgfxbridge::DeferredMinecraftFrameRenderer::frame\n");
 	}
+
 }
 
diff --git a/README.md b/README.md
index 0f43904..3418e8b 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,4 @@
 4. 在MC中安装任意光线追踪资源包，并在视频设置中打开`光线追踪`
 
 ## 最低要求
-- Direct3D 12
+- Direct3D 12 (FeatureLevel >= 12.0)
diff --git a/RTX2Deferred/MCHooks.cpp b/RTX2Deferred/MCHooks.cpp
index 131a305..fdeb0c3 100644
--- a/RTX2Deferred/MCHooks.cpp
+++ b/RTX2Deferred/MCHooks.cpp
@@ -1,6 +1,8 @@
 #include "HookAPI.h"
 #include "MCHooks.h"
 
+int setLightingModelIndex = 8;
+
 void (*RayTracingOptions_setLightingModel)(void* self, int lightingModel) = nullptr;
 void RayTracingOptions_setLightingModel_Hook(void* self, int lightingModel) {
 	if (lightingModel == 2) { //RTX
@@ -14,7 +16,7 @@ DeclareHook(RayTracingOptions_isRayTracingAvailable, bool, void* self) {
 	bool result = original(self);
 
 	Unhook(RayTracingOptions_isRayTracingAvailable);
-	ReplaceVtable(*(void**)self, 8, (void**)&RayTracingOptions_setLightingModel, RayTracingOptions_setLightingModel_Hook);
+	ReplaceVtable(*(void**)self, setLightingModelIndex, (void**)&RayTracingOptions_setLightingModel, RayTracingOptions_setLightingModel_Hook);
 	RayTracingOptions_setLightingModel(self, 1);
 	return result;
 }
@@ -31,9 +33,24 @@ void MCHooks_Init() {
 	uintptr_t isRayTracingAvailablePtr = FindSignature("40 53 48 83 EC 20 48 8B 01 48 8B D9 FF 50 08 84 C0 74 22 48 8B 03 48 8B CB FF 50 10 84 C0 74 15 48 8B 03 48 8B CB FF 50 18 84 C0 74 08 B0 01 48 83 C4 20 5B C3 32 C0 48 83 C4 20 5B C3");
 	if (!isRayTracingAvailablePtr) {
 		isRayTracingAvailablePtr = FindSignature("40 53 48 83 EC 20 48 8B 01 48 8B D9 48 8B 40 08 ?? ?? ?? ?? ?? ?? 84 C0 74 30 48 8B 03 48 8B CB 48 8B 40 10 ?? ?? ?? ?? ?? ?? 84 C0 74 1C 48 8B 03 48 8B CB 48 8B 40 18 ?? ?? ?? ?? ?? ?? 84 C0 74 08 B0 01 48 83 C4 20 5B C3 32 C0 48 83 C4 20 5B C3");
+		setLightingModelIndex = 8;
 	}
 	if (!isRayTracingAvailablePtr) {
 		isRayTracingAvailablePtr = FindSignature("40 53 48 83 EC 20 48 8B 01 48 8B D9 48 8B 40 08 ?? ?? ?? ?? ?? ?? 84 C0 74 30 48 8B 03 48 8B CB 48 8B 40 28 ?? ?? ?? ?? ?? ?? 84 C0 74 1C 48 8B 03 48 8B CB 48 8B 40 10 ?? ?? ?? ?? ?? ?? 84 C0 74 08 B0 01 48 83 C4 20 5B C3 32 C0 48 83 C4 20 5B C3 ");
+		setLightingModelIndex = 8;
+	}
+	if (!isRayTracingAvailablePtr) {
+		isRayTracingAvailablePtr = FindSignature(
+			"40 53"
+			"48 83 EC 20"
+			"48 8B 01"
+			"48 8B D9"
+			"48 8B 40 08"
+			"?? ?? ?? ?? ?? ??"
+			"84 C0"
+			"74 30"
+		);
+		setLightingModelIndex = 9;
 	}
 	if (isRayTracingAvailablePtr) {
 		Hook(RayTracingOptions_isRayTracingAvailable, (void*)isRayTracingAvailablePtr);
diff --git a/RTX2Deferred/MCPatches.cpp b/RTX2Deferred/MCPatches.cpp
index 8644344..3732ca5 100644
--- a/RTX2Deferred/MCPatches.cpp
+++ b/RTX2Deferred/MCPatches.cpp
@@ -5,7 +5,7 @@ void MCPatches_Init() {
 	printf("%s\n", __FUNCTION__);
 
 	//bgfx::d3d12rtx::RendererContextD3D12RTX::init
-	uintptr_t ptr = FindSignature("83 BE D4 02 00 00 65 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 83 BE D4 02 00 00 65");
+	uintptr_t ptr = FindSignature("83 BE ?? 02 00 00 65 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 83 BE ?? 02 00 00 65");
 	if (ptr) {
 		DWORD oldProtect, tmp;
 		VirtualProtect((void*)ptr, 60, PAGE_READWRITE, &oldProtect);